四年級脫式整數(shù)混合計算專項練習(xí)498題(有答案)

精選練習(xí)U!年級脫式整數(shù)混合計算專項練U!年級脫式整數(shù)混合計算專項練習(xí)498題34頁（有答案）編制： 審核： 出版： 整數(shù)混合運(yùn)算專項練習(xí)498題（有答案）(359-42)X53+6440+30X2(40+30)X2(326-248)X244-26304-5X30X5304-5X304-5(175+335)+(20-5)306+19-95(13)4204-30X352230-1804-18333-192-108450-230+11245X(78-22)(18)140+25X12(375-125)+259184-(3244-12)4X378X25725X29-275X294804-[(25-17)X12]312X47+688X4778-(84+60)4-121444-16X370190X(8964-28)1000-48X16960-623+8963X(330-r6)(432-12)4-70(36)780+26+73(37)546-9X3496X(325-295)(953-749)4-1725X(28+42)(43)319X28-549(44)489X17+198(45)278X39+154135X24-108347X18-259(306+269)X1235X(120+68)55+(367-289)(75+225)+603504-(19+51)456X3-176815-247+85(57)960X2+163(58)249+325-408(59)306X5+166340-3604-30X121204-[8404-(240-212)][112-(75+25)]X50(65)840+7204-60840-7204-122400-3154-967X(450-420)(437+163)4-20236X(39+11)(68-57)X678600-4054-1512X(317-296)(75)7354-15X4(512+136)+24476+(3924-14)345-128-72(79)25X16(81)148-9544-53(82)45X19X2(83)(93+25X21)X9(84)5074-13X63+498(39-21)X(3964-6)848-6404-16X12(44+52)Q(34-18),(78-23)X(1084-9),(362-122)X(24+39),723-(521+504)+25(92)3844-12+23X371(93)[192-(54+38)]X67(94)138X25X4(95)704X25-509(96)25X32X125(97)32X(25+125)(100)(58+37)+(64-9X5)(101)28004-100+789(947-599)+76X6436X(913-2764-23)(104)240+60X18(105)(177+88)X14(106)23X15X9(107)400+8X36(109)1500-32X45(13X125)X(3X8)(12+24+80)X50(45+38-16)X24500-(240+38X6)(845-15X3)4-1612X[(49-28)4-7](238+136)+34(117)284+28+116,(119)2X125X8X5,(120)125X8X835,(121)33X46+46X17,(122)973X5X2,(123)68X99,(36+24)+15+18,7444-[(92-84)X3],62X(183-1754-5),(128)(196+197+207)+30,(129)480+32+25,280+[100+(3504-14)],[450-(78+82)]X16,34X20-8404-29884-(100-74)406-3844-48+56225X18-r15+35675+2404-(120-105)50-(820+108)4-29920-6504-5013X(517-488)(142)8004-25X4(143)179+245+55(144)169-37-63(147)7204-45X36(148)382-2344-26(149)918+128X15168-r(2X14)(699-132)4-81(460-220)+60,13X(28+16),75+2404-(20-5)240+2404-(240-200),1484-(36+364-36),(450-133+23)X18,44X604-(8X5),205-264-r(301-277),[297-(62+85)]X146724-[(26-14)X8](725-235)4-14X23724-[9604-(245-165)],50-(820+108)+29(5404-20+27)X15(169)25X12+35X40(121-38)X15-84097+(680-120X3)1800-54X27+15037744-37X(65+35)(10+1204-24)X5(238+75604-90)4-1421X(230-192+4)35X(76-59)-159,1519-(14+17)X24,890-608+(79-47),(387+525)4-(89-65),(185)605-3604-12,(186)56+19X23,(187)950+5604-14X28,(70+80)+(68-18),(216-25X8)+198,(160X40-3800)+65,(191)329X21+47,(192)(789+1143)+84,(123+99)X(47-28),758-408X164-32,7804-(123-97)+4923544-59X(147+353)(127-27X2)4-73(200)8374-27+75X40(201)462-75X44-25(136-72)X124-16(178+80)-r(142-99)(373-185)X184-47(207)4084-12X150,(537+9184-27)-272,(5404-20+270)+27,136+7284-(748-692),7204-(22-12)X2,400-4004-5038X(4804-16)(216)130+70X16(240+760)4-40340-2404-20X5,1824-[(36-23)X7],12X[(310+410)+18],(223)27X12+54,(224)128+784-26,(225)43+378+14,(226)240+16+3,(227)108X74-36,(124-85)X124-36(75+240)+(20-5)95+2404-(62-47)4204-(205-191)X45406X(29-1864-31)(235)385+5124-64,(236)7364-32X28,(237)650+(13X5),(238)1000-9184-18,(239)300X3+9004-15(242)3604-45X72(600-384)X20-7-36(259+281)4-90(1000-640)4-72(210+415)+2596X(325-295)(28+62)X23864-3604-24(124-85)X124-26(59+21)X(964-8)(254)800-6004-12(255)780-4804-16(256)99X75(257)75X12+2804-3548X(32-17)4-30(564-18X24)4-12(37-15)X(8+14)(124-85)X124-267364-32-946+435924-(71-34)X16340-2404-20X5(5404-20+28)X15(267)7354-15X7(268)(704+258)+3718X(537-488)635-(125+68)(273)400+6124-12(338+565-201)4-3(139-114)4-597-12X6+43(277)35X3+64X5(280)98+5X38(281)(45-26)X32(282)228+2524-2895-904-15X5493-157-43(285)101X96(286)(488+32X5)4-12(287)40004-1254-8(289)8404-[(205-198)X4](290)21X(718-6724-48)(291)125X84-25(292)240X5-320(293)2564-16X12(294)490-15X25(295)11604-29X282507-76X2827604-(92+4)97X23-3504-14(564-18X24)+12783+21X15-369[504-(318-214)]-r25(303)3044-19+25X2687-2214-13+94(630-2X35)4-70(168-144)X(32+4)(309)6495-26184-14,(310)12096-7-274-16,6004-(1004-25)X4,812-34X(50-32),200-28X5(144-72)4-816X(527-488)(316)54+7834-27(318)(312+436)4-34(319)45X12+27,162-1624-9,4764-(17+11),(501-177)+36,(323)50+60X37,578-(78+98),(422+28)-r(375-345),(328)5604-[4904-(34+36)](329)3604-(30+30)X2(330)224+[(2+6)X2](331)198-12X9+63,(332)165-1654-15,(333)490-(63+63+9),(334)(227-188)X124-26,(337)(480+240)4-24-12,(338)(480+240)+(24-12),(339)(197+243)4-22X6,(340)158+36+42+264,(341)258X12-58X12,(342)25X64X125,(343)4620+(401-438+73),(344)52X80-720+9,(347)47X101-47,(348)(180-140)X7-160,(349)128+164+72+36,(350)20004-1254-8,(351)65X142-42X65,(352)(64-224+14)X12,(353)14X(38+4054-27),(356)16X84-16X8(357)4804-32-11(358)(618+22)4-20(359)376-18X19(360)752-52+48(360)375-(158-81)(361)774+(27+16)(362)98+5X63(366)26X13-1984-18,(367)128-28X3+17,(368)600-(6974-41+274),(369)96X15+9364-72(370)5604-(2X7)(371)764-45X3(372)108X154-4,(373)5744-(266-184),(375)105X21+79,(376)78X12+2764-12,(377)586X28-486X28,(378)50X12X25,(379)563X[272-(512-339)],(380)20004-(1760-30X56),(381)(145+55)+20(382)4204-60X154(385)4804-32-15(386)244-63X3(387)456+322+178,(388)(780-724)X15,(389)973-245-255,(390)1800-18004-15,(391)(75+360)+(20-5)(394)15004-(15+35)X14(395)786+500-r(320-270)(396)3204-(1228-12X101)(397)(48+84)X(97-77)(398)218-18+25X4,(399)1301+4054-45,(400)(100+1534-3)X5,(401)21X(75+153)+38,(404)48X125,(405)20X7X5X3,(406)6004-30+20X6,(407)75X12+2804-35,(408)(684-18X24)4-12,(409)4904-[2104-(7504-25)],(410)586-4264-71(413)14X18+520(414)7804-26+73(415)546-9X34(416)96X(325-295)(417)(28+62)X23(418)9004-(904-2)(419)21X(230-1924-4)(420)118+3064-17+265(421)5404-45X(65+35)(423)354+246+6,(424)572+4X5,(425)54X(40-644-16),(426)7280-280X12,(427)1650-78-222+350,(428)12304-6+15X13,(429)41X(982+7604-38),(430)1472-5-[(2100-1364)4-23],(432)(124-85)X124-26,(433)280+(280-2804-70),(434)(75+240)4-(20-5),(435)5404-(442-32X11),(436)250-2504-50,(437)125X88,(438)653-219-81-53,(439)99X45+45,(440)3254-13X(276-250),(442)320-7704-11(443)4904-70X154(444)305-89+164(445)451-(164-88)(446)(93+111)+34(447)344-6X28,(448)(227-57)+34,(449)78+240+4,(451)105-13X6+57,(452)(45+240)+(20-5),(453)197-12X9+61,(454)38+1604-(40-30),(455)(224-185)X12+26,(456)(25+40)X4,(457)135-1354-15,(458)(55+250)+(30-25),(459)125X25X32,(461)25X204,(462)125X(8+4),(463)3200+25+4,(464)56X32-46X32,(465)4324-54+17X54,(466)99X78+78,(467)35X(320-170)+50(470)1504-[904-(67-52)](471)61X99(472)13X56+56X87(473)261-(210+165)4-15(474)12X15+5674-21(475)102+1504-25+5(476)966-r(27+19)X45(477)64+992+(426-394)(478)35X(800-6004-25)(480)14X[752-(152+28)](481)360X[10004-(408+92)](482)600X[(135-45)4-90](483)9846-87X(3604-60)(484)508X3454-(1526-1521)(485)24X25+8764-73(486)956-946-i-43-406(489)18+(159+82)(490)31+992+32(491)9004-254-4(492)160-60+2(493)8507-(153-48)+5369,(494)645-45X(50-38),(495)(32+360+45)X72,(496)4124-(607-36X14),(497)[591-(134+48)]X26,(498)9634-[732-(496+227)],整數(shù)混合計算498題參考答案：整數(shù)混合運(yùn)算498題答案31084-42X15=74X15=1110(359-42)X53+64=317X53+64=16801+64=1686540+30X2=40+60=100；(40+30)X2=70X2=140；(326-248)X244-26=78X244-26=18764-26=72；304-5X30X5=6X30X5=180X5=900；30+5X30+5=1804-5=36；(175+335)+(20-5)=5104-15=34306+19-95=325-95=230；(340-290)+25=504-25=2；38X(63-24)=38X39=342；4204-30X352=14X352=4928；230-1804-18=230-10=220；333-192-108=333-(192+108)=333-300=33.450-230+112=220+11245X(78-22)=45X56=2520；140+25X12=140+300=440；(375-125)+25=2504-25=109184-(3244-12)=9184-27=34；125X83+17X125=(83+17)X125=100X125=1250013X[400-(360+40)]=13X[400-400]=13X0=0；4X378X25=4X25X378=100X378=37800；725X29-275X29=29X(725-275)=13050；4804-[(25-17)X12]=4804-[8X12]=4804-96=5；312X47+688X47=(312+688)X47=1000X47=47000；78-(84+60)4-12=78-1444-12=78-12=661444-16X370=9X370=3330；190X(8964-28)=190X32=6080；1000-48X16=1000-768=232；4144-18+72=23+72=95=9X31=279；960-623+89=960-7=953；63X(3304-6)=63X55=3465；(432-12)4-70=4204-70=6780+26+73=30+73=103；546-9X34=546-306=240；96X(325-295)=96X30=2880；(953-749)4-17=2044-17=12；25X(28+42)=25X70=1750；6404-(29+51)=6404-80=8108X39+247=4212+247=4459；319X28-549=8932-549=8383；489X17+198=8313+198=8511278X39+154=10842+154=10996；135X24-108=3240-108=3132；347X18-259=6246-259=5987(306+269)X12=575X12二6900；35X(120+68)=35X188=6580；=12236-739=11497；900-78X6=900-468=43255+(367-289)=55+78=133；(75+225)+60=3004-60二5；350+(19+51)=3504-70=5456X3-176=1368-176=1192；815-247+85=568+85=653；960X2+163=1920+163=2083；249+325-408=574-408=166；(59)306X5+166=1530+166=1696；534X8-999=4272-999=327320X(320-180)4-28=20X1404-28=28004-28=100；340-3604-30X12=340-12X12=340-144=196；1204-[8404-(240-212)]=1204-[8404-28]=1204-30二4；[112-(75+25)]X50=[112-100]X50=12X50=600840+7204-60=840+12=852；840-7204-122400-3154-9=2400-35=2365：67X(450-420)=67X30=2010；(437+163)4-20=6004-20=30；875+875+25=875+(875+25)=875+900=1775236X(39+11)=236X50=11800；(68-57)X678=11X678=7458.600-405?15=600-27=573；12X(317-296)=12X21=252；=196；(512+136)+24=6484-24=27476+(392?14)=4764-28二17；345-128-72=345-(128+72)=345-200=145；25X16=25X4X4=100X4=400；720+16+5=7204-(16X5)=7204-80=9；148-954+53=148-18=130；45X19X2=45X2X19=90X19=1710(93+25X21)X9=(93+525)X9=618X9=5562；5074-13X63+498=39X63+498=2457+498=2955；(39-21)X(3964-6)=18X66=1188；848-6404-16X12=848-40X12=848-480=368(44+52).(34-18),=964-16,=6；(78-23)X(1084-9),=55X12,=660；980-9804-(262-234),=980-980+28,=980-35,=945；(362-122)X(24+39),=15120723-(521+504)+25=723-10254-25=723-41=682；3844-12+23X371=32+8533=8565；[192-(54+38)]X67=[192-92]X67=100X67=6700；138X25X4=138X(25X4)=138X100=13800704X25-509=17600-509=17091；25X32X125=25X4X(8X125)=100X1000=100000；32X(25+125)=32X150=4800；=178X(101-1)=178X100=17800；84X36+64X84=84X(36+64)=84X100=8400(58+37)+(64-9X5)=954-(64-45)=954-19二528004-100+789=28+789=817；(947-599)+76X64=348+76X64=348+4864=5212；36X(913-2764-23)=36X(913-12)=36X901=32436240+60X18=240+1080=1320；(177+88)X14=3710；23X15X9=345X9=3105；4004-8X36=50X36=180057X12-5604-35=684-16=668；1500-32X45=1500-1440=60；(13X125)X(3X8)=(8X125)X(3X13)=1000X39=39000；(12+24+80)X50=12X50+24X50+80X50=600+1200+4000=5800(45+38-16)X24=(83-16)X24=67X24=1608；500-(240+38X6)=500-(240+228)=500-468=32；(845-15X3)4-16=(845-45)4-16=8004-16=50；12X[(49-28)4-7]=12X[214-7]=12X3=36(238+136)+34=3744-34=11284+28+116,=(284+116)+28,=400+28,=428；180+74+27+126+120+73,=(180+120)+(74+126)+(27+73),=300+200+100,=500+100,=600；2X125X8X5,=(2X5)X(125X8),=10X1000,=10000；(120)125X8X835,=1000X835=835000,33X46+46X17,=46X(33+17),=46X50,=2300；973X5X2,=973X(5X2),=973X10,=9730；68X99,=68X(100-1),=68X100-68X1,=6800-68,=6732(36+24)4-15+18,=604-15+18,=4+18,=22；744+[(92-84)X3],=7444-[8X3],=7444-24,=31；62X(183-1754-5),=62X(183-35),=62X148,=1644-82X50X48,=2X50X48,=100X48,=4800(196+197+207)4-30,=(393+207)4-30,=6004-30,=20；4804-32+25,=15+25,=40；2804-[1004-(3504-14)],=2804-[1004-25],=2804-4,=70；[450-(78+82)]X16,=[450-160]X16,=290X16,=464034X20-8404-2=680-420=260；988+(100-74)=9884-26406-3844-48+562=406-8+562=960；25X18-r15+356=4504-15+356=30+356=3861254-5X107=25X107=2675；30X(48+7004-14)=30X(48+50)=30X98=2940；75+240+(120-105)=75+2404-15=75+16=91；50-(820+108)+29=50-928+29=50-32=18920-650+50=920-13=907；13X(517-488)8004-25X4=32X4=128；179+245+55=179+(245+55)=179+300二479；169-37-63=169-(37+63)=169-100=69；45X13X2=585X2=1170；(308+204)+32=5124-32=16；720+45X36=16X36=576382-234+26=382-9,=373；918+128X15=918+1920,=2838；1684-(2X14)=1684-28,=6；(699-132)4-81=5674-81,=7(460-220)4-60,=2404-60,=4；13X(28+16),=13X44,=572；75+2404-(20-5)=75+2404-15,=75+16,=91；(90+360)+(20-5),=4504-15=3024-0-r24+24,=24-0+24,=24+24,=48；240+2404-(240-200),=240+2404-40,=240+6,148-r(36+364-36),=148-r(36+1),=1484-37,二4；(450-133+23)X18,=(317+23)X18,=340X18,=6120；44X604-(8X5),=44X604-40,=26404-40,=66；205-2644-(301-277),=205-264+24,=205-11,=194[297-(62+85)]X14=[297-147]X14,=150X14,=2100；6724-[(26-14)X8]=6724-[12X8],=6724-96,=7；(725-235)4-14X23=4904-14X23,=35X33,=115542X[169-(78+35)],=42X[169-113],=42X56,=2352；72子[960+(245-165)],=72-r[9604-80],=72+12,=6.50-(820+108)+29=50-928+29=50-32=18(5404-20+27)X15=(27+27)X15=54X15=81025X12+35X40=300+1400=1700；(121-38)X15-840=83X15-840=1245-840=405；97+(680-120X3)=97+(680-360)=97+320=417；1800-54X27+150=1800-1458+150=342+150=49237744-37X(65+35)=37744-37X100=102X100=10200；540-(148+47)4-13=540-1954-13=540-15=525；(308-3084-28)Xll=(308-11)Xll=297X11=3267；(10+1204-24)X5=(10+5)X5=15X5=75；(238+75604-90)4-14=(238+84)4-14=3224-14=21X(230-48)=21X182=382235X(76-59)-159,=35X17-159,=595-159,=436；1519-(14+17)X24,=1519-31X24,=1519-744,=775；890-608+(79-47),=890-606+32,=284+32,=316；(387+525)+(89-65),=9124-24,=383956-(698+1956),=3956-1956-698,=2000-698,=1302；97+98+103+102,=(97+103)+(98+102),=200+200,605-3604-12,=605-30,=575；56+19X23,=56+437,=493950+5604-14X28,=950+40X28,=950+1120,=2070；(70+80)+(68-18),=1504-50,=3；(216-25X8)+198,=(216-200)+198,=16+198,=214；(160X40-3800)4-65,=(6400-3800)+65,=2600+65,=40329X214-47,=69094-47,=147；(789+1143)子84,430-32X(27-18),=430-32X9,=430-288,=142；1000-962+(13+24),=1000-9624-37,=1000-26,=974；(123+99)X(47-28),=222X19,=4218；758-408X164-32,=758-65284-32,=758-204,=554780+(123-97)+492=7804-26+492=30+492=522；3544-59X(147+353)=3544-59X500=6X500=3000；(127-27X2)+73=(127-54)+738374-27+75X40=31+3000=3031462-75X4+25=462-3004-25=462-12=450；28X12-12X20=(28-20)X12=8X12=96；89-(14X3-32)=89-(42-32)=89-10=79；(136-72)X124-16=64X124-16=7684-16=48；(178+80)+(142-99)=2584-43二6；(373-185)X184-47=188X184-47=33844-474084-12X150,=34X150,=5100；(537+9184-27)-272,=(537+34)-272,=571-272,=299；(5404-20+270)4-27,=(27+270)+27,=2974-27,=11;136+7284-(748-692),=136+7284-56,=136+13,=149720+(22-12)X2,=7204-10X2,=724-2,=36；[558-<195+38)]4-25,=[558-233]4-25,=325+25,=13；360X[4804-(236-116)],=360X[4804-120],=360X4,400-4004-50=400-80=32038X(480+16)=38X30=1140130+70X16=130+1120=1250(240+760)+40=1000+40=25340-2404-20X5,=340-12X5,=340-60,=280；1824-[(36-23)X7],=1824-[13X7],=1824-91,=2；12X[(310+410)+18],=12X[720+18],=12X738,=8856；180X[8404-(140-112)],=180X[8404-28],=180X30,390-31X5,=390-155,=235；27X124-54,=324+54,=6；128+78+26,=128+3,=13143+3784-14,=43+27,=70；2404-164-3,=154-3,=5；108X74-36,=7564-36,=21(124-85)X124-36二39X12+36=468+36=13；(75+240)子(20-5)=3154-15=21；95+240子(62-47)=95+2404-15=95+16=111；(321-183)X12=138X12=1656；3254-13X(266-250)=3254-13X16=25X16=400420+(205-191)X45=4204-14X45=30X45=1350406X(29-1864-31)=406X(29-6)=406X23=9338385+512+64,=385+8,=393；7364-32X28,=23X28,=644；6504-(13X5),=6504-65,1000-9184-18,=1000-51,=949300X3+9004-15=900+60=960；(400+320)+24=720+24=30；25X(22+288+16)=25X(22+18)=25X40=1000360+45X72=8X72=576；(600-384)X204-36=216X204-36=43204-36=120；(259+281)+90=540+90二6；(1000-640)+72=3604-72(210+415)+25=6254-25=25；96X(325-295)=96X30=2880；(28+62)X23=90X23=2070864-360+24=864-15=849；27X(36-28)=27X8=216；3604-(9X8)=3604-72=5(124-85)X124-26=39X124-26=4684-26=18；(59+21)X(964-8)=80X12=960800-6004-12=800-50(255)780-4804-16=780-30=750；99X75=(100-1)X75=100X75-1X75=7500-75=742575X12+2804-35=900+8=908；48X(32-17)+30=48X154-30=7204-30=24；(564-18X24)+12=(564-432)4-12=1324-12=11;490+[210+(7504-25)]=4904-[2104-30]=4904-7=70(37-15)X(8+14)=22X22=484；(124-85)X124-26=39X124-26=4684-26=18736+32-946+43=23-22=1;592+(71-34)X16=5924-37X16=16X16=256；340-2404-20X5=340-12X5=340-60=280；(540+20+28)X15=(27+28)X15=55X15=825735+15X7=49X7=343；(704+258)+37=9624-37=26；900-600+30=900-204204-70X254=6X254=1524；18X(537-488)=18X49=882；635-(125+68)=635-193=442400+6124-12=400+51=451；(338+565-201)4-3=(903-201)4-3=7024-3=234；(139-114)+5=254-5=5；97-12X6+43=97-72+43=25+43=68；35X3+64X5=105+320=425；(45-9)X(1834-61)=36X3=108230-7354-35=230-21=209；98+5X38=98+190=288；(45-26)X32=19X32=608228+252+28=228+9=237；95-90+15X5=95-6X5=95-30=65；493-157-43=493-(157+43)=493-200=293；101X96=100X96+1X96=9600+96=9696；(488+32X5)4-12=(488+160)4-12=6484-12=54；40004-1254-8=40004-(125X8)=40004-1000=4308-(240+3604-60)=308-(240+6)=308-246=62；8404-[(205-198)X4]=8404-[7X4]=8404-28=30；21X(718-6724-48)=21X(718-14)=21X704=14784125X84-25=10004-25=40；240X5-320=1200-320=880；(293)2564-16X12=16X12=192；490-15X25=490-375=11511604-29X28=40X28=1120；2507-76X28=2507-2128=379；27604-(92+4)=27604-23=120；46X32-586=1472-586=88697X23-3504-14=2231-25=2206；(564-18X24)4-12=(564-432)4-12=1324-12=11?783+21X15-369=783+315-369=1098-369=729；[504-(318-214)]+25=[504-104]-r25=4004-25=163044-19+25X26=16+650=666；87-2214-13+94=87-17+94=70+94=164；(630-2X35)4-70=(630-70)+70=5604-70=8；(168-144)X(324-4)=24X8=1924357+6503-2498,=10860-2498,=8362；376X184-47,=6768+47,=144；(309)6495-26184-14,=6495-187,=6308；12096)27+16,=4484-16,=28；6004-(1004-25)X4,=6004-4X4=600；812-34X(50-32),=821-34X18,=821-612,=200200-28X5=200-140=60；(144-72)+8=724-8=90；16X(527-488)=16X39=624；54+7834-27=54+29=83；205-58+42=147+42(312+436)+34=7484-34=2245X124-27,=5404-27,=20；162-1624-9,=162-18,=144；476-r(17+11),=4764-28,=17；(501-177)+36,=3244-36,=950+60X37,=50+2220,=2270；578-(78+98),=578-78-98,=500-98,=402；(422+28).(375-345),=4504-30,=15；(326)570+5+2,=5704-(5X2),=5704-10,=57(841-41)4-25X4=8004-25X4=32X4=128560-[4904-(34+36)]=5604-[4904-70]=560+7=80360+(30+30)X2=3604-60X2=6X2=12224+[(2+6)X2]=2244-[8X2]=2244-16=14198-12X9+63,=198-108+63,=90+63,=153；165-1654-15,=165-11,=154；490-(63+63+9),=490-(63+7),=490-70,=420；(227-188)X12+26,=39X124-36,二468+26,=18(335)375+4504-18X25,=375+25X25,=375+625,=1000；(336)45X101,=45X(100+1),=45X100+45X1,=4500+45,=4545；(480+240)+24-12,=720+24-12,=30-12,=18；(480+240)+(24-12),=7204-12,二60；(197+243)4-22X6,=440+22X6,=20X6,=120；(340)158+36+42+264,=(158+42)+(36+264),=200+300,=500；(341)258X12-58X12,=(258-58)X12,=200X12,=2400；(342)25X64X125,=25X8X8X125,=(25X8)X(8X125),=200X1000,=2000004620+(401-4384-73),=4620+(401-6),=4620+395,=5015；52X80-7204-9,=4160-80,=4080；(124-85)X124-26,=39X124-26,=468+26,=18780子(223-145),=780+78,=10；(347)47X101-47,=47X(101-1),=47X100,=4700；(348)(180-140)X7-160,=40X7-160,=280-160,=120；(349)128+164+72+36,=(128+72)+(164+36),=200+200,=400；(350)20004-1254-8,=20004-(125X8),=20004-1000,=2；(351)65X142-42X65,=65X(142-42),=65X100,=6500(352)(64-2244-14)X12,=(64-16)X12,=48X12,=576；(353)14X(38+4054-27),=14X(38+15),=14X53,(354)75+3604-(20-5),=75+3604-15,=75+24,=99；(355)(24X15-65)4-5,=(360-65)4-5,=295+5,=59(356)16X84-16X8=(164-16)X(8X8)=1X64=64；(357)4804-32-11=15-11=4；(618+22)4-20=6404-20=32；376-18X19=376-342=34；752-52+48=700+48=748；(360)375-(158-81)=375-77774+(27+16)=7744-43=18(362)98+5X63=98+315=41354X(71-33)=54X38=20529004-(904-2)=9004-45=2026X13-1984-18,=338-11,=327；128-28X3+17,=128-84+17,=44+17,=61；600-(697+41+274),=600-(17+274),=600-291,=309；(369)96X15+9364-72=1440+135604-(2X7)=5604-24-7=2804-7=40；764-45X3=764-135=629(372)108X154-4,=1620-4-4,=405；574+(266-184),=574+82,=7；24X(7+15),=24X22,=528(375)105X21+79,=(100+5)X21+79,=100X21+5X21+79,=2100+105+79,=2100+184,=2284；(376)78X12+2764-12,=936+23,=959；(377)586X28-486X28,=(586-486)X28,=100X28,=2800；(378)50X12X25,=50X3X4X25,=(50X3)X(4X25),=150X100,=15000；563X[272-(512-339)],=563X[272-173],=563X99,=563X(100-1),=563X100-563,=56300-563,=55737；20004-(1760-30X56),=20004-(1760-1680),=2000+80,=25(145+55)4-20=2004-20=10；(382)4204-60X154=7X154=1078；774+(27+16)230-7354-35=230-21=209；4804-32-15=15-15=0；244-63X3=244-189=55(387)456+322+178,=456+(322+178),=456+500,=956；(780-724)X15,=56X15,=840；973-245-255,=973-(245+255),=973-500,=473；1800-18004-15,=1800-120,=1680(75+360)+(20-5)=4354-15(392)28X6+84+7=168+12=180；75+360H-20-5=75+18-5=93-5=8815004-(15+35)X14=15004-50X14=30X14=420786+5004-(320-270)=786+5004-50=786+10=796320+(1228-12X101)=320+(1228-1212)=3204-16=20(48+84)X(97-77)=132X20=2640218-18+25X4,=218-18+100,=200+100,=300；(399)1301+4054-45,=1301+9,=1310；(100+1534-3)X5,=(100+51)X5,=151X5,=755；21X(75+153)+38,=21X(75+153)+38,=21X2284-38,=47884-38,=126336+[7X(364-9)],=3364-[7X4],=3364-28,=12；(403)99X999+999,=(99+1)X999,=100X999,=99900；(404)48X125,=(6X8)X125,=6X(8X125),=6X1000,=6000；(405)20X7X5X3,=2100；(406)6004-30+20X6,=20+120,=140；(407)75X12+2804-35,=900+8,=908；(684-18X24)4-12,=(684-432)+12,=2524-12,=21；4904-[2104-(7504-25)],=4904-[2104-30],=4904-7,=70586-4264-71=586-6,=580；(411)6504-13X34=50X34,=1700(412)110+584-3754-15,=110+584-25,=694-25,(413)14X18+520=252+520=772；(414)780+26+73=30+73=103；546-9X34=546-306=240；96X(325-295)=96X30=2880；(28+62)X23=90X23=2070；9004-(904-2)=900+45=2021X(230-1924-4)=21X(230-48)=21X182=3822；(420)118+3064-17+265=118+18+265=136+265=401；5404-45X(65+35)=5404-45X100=12X100=1200；(119+181)+(1000-975)=3004-25=12(423)354+246+6,=354+41,=395；(424)5724-4X5,=143X5,=715；(425)54X(40-644-16),=54X(40-4),=54X36,=1944(426)7280-280X12,=7280-3360,=3920；(427)1650-78-222+350,=(1650+350)-(78+222),=2000-300,=1700；(428)12304-6+15X13,=205+195,=400,；41X(982+760+38),=41X(982+20),=41X1002,=41082；14724-[(2100-1364)+23],=1472+[736+23],=14724-32,=4626X4-1254-5,=104-25,=79；(124-85)X12+26,=39X124-26,=4684-26,=18；280+(280-2804-70),=280+(280-4),=280+276,=556；(75+240).(20-5),=3154-15,=215404-(442-32X11),=5404-(442-352),=5404-90,=6；250-250+50,=250-5,(437)125X88,=125X8X11,=1000