五年級數(shù)學(xué)(方程)專項練習(xí)題及答案

五年級數(shù)學(xué)(方程)專項練習(xí)題及答案(1)x+17=88(2)x+18=97(3)x+81=83(4)x+72=89(5)x+87=129(6)x+17=80(7)x+88=100(8)x+82=135(9)x+59=139(10)x-2=77(11)x-27=61(12)x-42=16(13)x-63=29(14)x-36=10(15)x-56=39(16)x-39=50(17)x-30=20(18)x-41=34(19)x+1.8=2.5(20)x+3.3=11.3(21)x+4.5=9.8(22)x+9.1=15.5(23)x+3.5=10.3(24)x+6=7.2(25)x+5.7=11.6(26)x+4.8=14(27)x+3.9=4.1(28)x-1.1=6.9(29)x-3.5=4.9(30)x-5.5=3.9(31)x-4.2=3.8(32)x-6.8=1.7(33)x-2.3=3(34)x-5.1=3.1(35)x-4.2=4.7(36)x-5.5=4.2(37)46+x=139(38)67+x=112(39)96+x=106(40)7+x=71(41)34+x=88(42)65+x=134(43)74+x=169(44)25+x=27(45)97+x=102(46)86-x=53(47)23-x=17(48)45-x=35(49)66-x=12(50)74-x=29(51)83-x=69(52)38-x=33(53)93-x=42(54)57-x=34(55)1.9+x=11.8(56)6.1+x=11.8(57)8.5+x=9.5(58)3.6+x=7.9(59)2.5+x=11(60)8.1+x=17.4(61)4.8+x=7.2(62)1.9+x=7.7(63)3.5+x=7.3(64)5.7-x=5.1(65)6.6-x=2.4(66)8.8-x=8.3(67)5.2-x=1.1(68)9.6-x=5.8(69)6.2-x=3.5(70)7-x=1.4(71)4.4-x=2.5(72)8.8-x=5.8(73)4x=40(74)17x=187(75)8x=136(76)11x=33(77)16x=192(78)7x=140(79)4x=68(80)16x=112(81)3x=87(82)1.9x=9.5(83)0.7x=2.8(84)1.8x=5.4(85)0.3x=7.2(86)0.2x=17.4(87)1.8x=18(88)2.1x=8.4(89)1x=7(90)0.8x=8.8(91)57x=17.1(92)7x=14(93)6x=3.6(94)5x=20(95)54x=10.8(96)24x=9.6(97)9x=9(98)4x=16.4(99)40x=20(100)72÷x=2(101)84÷x=2(102)104÷x=4(103)140÷x=28(104)165÷x=3(105)126÷x=21(106)160÷x=20(107)120÷x=24(108)88÷x=8(109)4÷x=0.2(110)18.2÷x=0.7(111)3.6÷x=1.2(112)9÷x=1(113)15.6÷x=0.3(114)10.4÷x=1.3(115)2.5÷x=0.5(116)18.6÷x=3.1(117)6.8÷x=0.4(118)x÷5=36(119)x÷33=2(120)x÷9=11(121)x÷4=48(122)x÷7=28(123)x÷12=15(124)x÷3=31(125)x÷45=2(126)x÷5=35(127)x÷8=1(128)x÷49=0.4(129)x÷39=0.4(130)x÷3=2(131)x÷2=0.8(132)x÷15=1.3(133)x÷23=0.3(134)x÷5=3.1(135)x÷4=1.3(136)8x+26=170(137)6x+45=225(138)9x+22=40(139)5x+31=161(140)9x+54=135(141)13x+52=143(142)2x+16=160(143)10x+12=132(144)85x+30=200(145)5x-47=153(146)40x-54=106(147)2x-30=132(148)98x-12=184(149)25x-24=151(150)73x-31=115(151)85x-10=160(152)9x-47=88(153)9x-33=120(154)2x+5.4=11(155)6x+3.5=10.7(156)18x+5.3=25.1(157)74x+2.7=17.5(158)10x+4.5=13.5(159)2x+2.7=18.1(160)21x+3.4=13.9(161)35x+3.4=20.9(162)6x+5.3=24.5(163)0.3x+3.5=15.8(164)7.5x+5.2=20.2(165)1.4x+2.7=8.3(166)0.2x+4.1=9.3(167)0.3x+5.4=15.6(168)8.2x+5.1=21.5(169)0.4x+3.1=7.1(170)1.3x+1.3=20.8(171)4.8x+5=24.2(172)12x-1.7=6.7(173)12x-1.9=13.7(174)18x-4.6=11.6(175)6x-4.8=12(176)2x-3.2=4.6(177)2x-3.8=12.2(178)11x-2.7=16(179)7x-2.6=9.3(180)7x-1.2=17.7(181)3.8x-4.5=6.9(182)1.5x-3.7=3.8(183)0.5x-5.4=4.6(184)1.2x-5.8=13.4(185)1.2x-2.6=4.6(186)0.4x-1.7=1.1(187)5.3x-3.3=12.6(188)8x-3.9=12.1(189)4.3x-5.5=7.4(190)183+8x=279(191)178+2x=184(192)146+3x=311(193)133+2x=163(194)197+2x=285(195)28+6x=64(196)112+45x=247(197)18+3x=123(198)57+2x=69(199)190-2x=86(200)188-3x=152(201)117-8x=61(202)194-23x=56(203)131-2x=95(204)173-6x=53(205)189-2x=75(206)162-47x=68(207)137-18x=101(208)12.9+0.3x=27.6(209)8.8+0.8x=24(210)16.1+1.2x=23.3(211)5.1+2.2x=16.1(212)18.1+0.7x=37(213)5.5+1.8x=18.1(214)5.9+1.2x=14.3(215)12.6+4.5x=21.6(216)15.5+1.2x=27.5(217)13+3x=28.6(218)12.2+2x=17.2(219)12.2+6x=24.8(220)6.8+15x=17.3(221)11+42x=27.8(222)11+4x=21.4(223)5.1+8x=19.5(224)8.5+7x=19.7(225)6.8+16x=16.4(226)4.4-0.2x=1.2(227)16.3-0.9x=8.2(228)18.1-0.4x=6.5(229)17.9-0.5x=5.4(230)15.6-1.8x=4.8(231)19.4-1.2x=13.4(232)14.1-1.1x=7.5(233)16.5-6x=4.5(234)15.7-0.2x=5.3(235)4.1-3x=2(236)17.7-6x=9.9(237)12.5-5x=8.5(238)7.9-21x=1.6(239)7.6-22x=1(240)9.8-2x=6.2(241)11.6-2x=8.4(242)16.8-15x=7.8(243)12.8-56x=1.6(244)25x÷10=10(245)2x÷4=42(246)15x÷18=5(247)2x÷6=28(248)4x÷44=2(249)30x÷5=36(250)2x÷14=5(251)2x÷9=4(252)4x÷24=6(253)1.4x÷4=3.5(254)3.5x÷7=2(255)1x÷5=2.6(256)0.5x÷3=4.5(257)1.3x÷39=0.3(258)0.3x÷6=1.8(259)4.5x÷15=1.2(260)0.7x÷2=3.5(261)1x÷18=0.5(262)11x÷44=0.3(263)20x÷10=0.8(264)2x÷28=0.6(265)15x÷25=0.6(266)7x÷14=1.1(267)16x÷64=0.3(268)2x÷60=0.3(269)3x÷2=4.2(270)8x÷38=0.4(271)16x+9x=300(272)5x+15x=220(273)2x+19x=63(274)5x+4x=27(275)7x+5x=24(276)7x+5x=120(277)6x+8x=56(278)6x+17x=161(279)18x+9x=135(280)15x-2x=65(281)6x-3x=30(282)12x-2x=80(283)12x-6x=42(284)11x-6x=10(285)18x-12x=66(286)8x-2x=114(287)16x-5x=132(288)19x-14x=35(289)7.2x+7.8x=120(290)0.9x+2.3x=64(291)0.3x+8.5x=44(292)1.4x+0.6x=118(293)1.8x+1.1x=75.4(294)5.7x+2x=77(295)8.8x+5.7x=72.5(296)2.5x+6.9x=103.4(297)5.6x+4.8x=62.4(298)7.7x-6.4x=7.8(299)3.6x-1.4x=22(300)9.3x-8x=11.7(301)3.1x-0.9x=66(302)7.8x-3.4x=44(303)7.9x-6.7x=4.8(304)4.1x-3.6x=7(305)6.2x-4.7x=19.5(306)0.6x-0.4x=18.4(307)2x+13x+49=274(308)10x+8x+25=277(309)16x+6x+18=172(310)9x+15x+28=76(311)15x+16x+13=323(312)3x+4x+12=313(313)8x+10x+47=119(314)3x+10x+33=254(315)18x+5x+32=239(316)9x+14x-27=19(317)16x+6x-33=121(318)15x+16x-28=344(319)19x+8x-36=99(320)10x+11x-2=40(321)10x+12x-48=40(322)16x+15x-4=58(323)3x+5x-34=182(324)2x+8x-34=186(325)14x-6x+17=89(326)11x-9x+5=37(327)8x-4x+37=77(328)11x-8x+39=66(329)10x-8x+39=77(330)11x-5x+40=94(331)14x-8x+19=91(332)11x-6x+24=104(333)9x-5x+10=66(334)13x-6x-16=40(335)11x-7x-3=65(336)5x-2x-32=46(337)4x-2x-14=78(338)6x-3x-21=54(339)11x-3x-44=36(340)14x-2x-42=54(341)9x-3x-20=100(342)19x-11x-23=57(343)2.1x+1.1x+1.8=117(344)0.9x+1.9x+4.1=32.1(345)0.2x+3x+0.2=86.6(346)0.9x+2.4x+2.8=19.3(347)1.1x+1.3x+2.5=110.5(348)0.9x+6.8x+0.4=31.2(349)4.4x+3.7x+1.1=57.8(350)8.3x+4.3x+1.8=115.2(351)0.4x+5.3x+0.4=34.6(352)75x+62x+1.4=124.7(353)39x+32x+1.8=94.1(354)91x+35x+4.7=92.9(355)47x+95x+2.5=59.3(356)91x+70x+2.7=115.4(357)40x+19x+2.6=61.6(358)35x+34x+1.8=160.5(359)4x+64x+1.9=22.3(360)50x+33x+4.2=128.7(361)1.8x+3x-0.3=76.5(362)0.3x+0.6x-1.4=22.9(363)4.1x+2.4x-1.2=115.8(364)5.6x+5.9x-0.9=45.1(365)0.6x+5.1x-3.8=41.8(366)0.2x+1.3x-3.2=53.8(367)4.5x+3.5x-1.5=166.5(368)5.7x+2.4x-2.3=103(369)4.8x+2x-2.3=38.5(370)35x+53x-3.8=137(371)12x+23x-4.7=135.3(372)71x+82x-4.6=87.2(373)45x+37x-0.7=40.3(374)81x+78x-0.4=110.9(375)17x+39x-0.3=22.1(376)7x+5x-3.9=52.5(377)63x+27x-2.4=114.6(378)14x+23x-2.2=27.4(379)3x-1.2x+1.3=24.7(380)2.6x-1.7x+0.6=14.1(381)4.3x-2.8x+1.5=6(382)2.1x-1.9x+4.7=8.7(383)2.5x-1.7x+3.4=31.4(384)3.3x-1.4x+0.2=13.5(385)7.4x-2x+2.6=18.8(386)6.8x-1.5x+2.5=23.7(387)3.2x-2.5x+0.9=2.3(388)19x-3x+2.1=5.3(389)97x-19x+4.9=75.1(390)36x-19x+0.6=36.3(391)40x-23x+2.6=12.8(392)63x-6x+1.6=47.2(393)41x-35x+2.6=6.8(394)38x-21x+4.5=30(395)74x-63x+3.3=5.5(396)68x-3x+4.8=95.8(397)3.3x-1.2x-0.2=27.1(398)5.6x-3.1x-4.9=20.1(399)7.2x-0.9x-0.5=49.9(400)6.9x-3.4x-1.1=33.9(401)6.5x-1.1x-4.2=12(402)5.3x-3x-3.3=31.2(403)1.4x-1x-2.7=16.9(404)0.5x-0.2x-3.1=1.7(405)8.7x-2.8x-0.8=64.1(406)96x-5x-4.8=77.1(407)88x-68x-0.4=5.6(408)92x-28x-1.5=62.5(409)56x-5x-1.4=39.4(410)93x-86x-0.5=3(411)85x-30x-4.4=28.6(412)70x-10x-1.3=10.7(413)81x-37x-2.6=10.6(414)86x-60x-3.7=9.3(415)24x+25×4=268(416)2x+8×13=302(417)4x+58×3=254(418)25x+4×50=350(419)9x+3×41=186(420)4x+2×25=86(421)2x+33×2=186(422)17x+7×12=254(423)5x+2×12=194(424)12x-10×5=70(425)19x-30×2=35(426)2x-15×8=28(427)2x-16×6=24(428)2x-2×24=134(429)20x-13×3=41(430)26x-16×9=12(431)22x-36×2=126(432)6x-2×11=86(433)0.2x+1.2×11=14.6(434)1.2x+0.8×11=20.8(435)0.3x+0.4×22=11.8(436)2.7x+0.4×8=19.4(437)0.7x+0.4×39=21.2(438)2.9x+0.5×26=30.4(439)0.5x+2×9=29.5(440)0.5x+0.3×22=14.1(441)0.8x+0.4×43=31.6(442)10x+3×2=13(443)10x+4×1.8=9.2(444)3x+18×0.6=15.3(445)2x+47×0.2=15.6(446)21x+4×4.9=34.3(447)38x+45×0.3=32.5(448)12x+2×0.7=9.8(449)7x+33×0.2=20.6(450)10x+18×0.7=32.6(451)1.2x-1.8×3=12.6(452)2x-0.3×8=15.6(453)2.9x-1×2=6.7(454)0.8x-0.3×8=4.8(455)2x-0.3×7=1.9(456)0.4x-0.4×17=11.6(457)1.2x-0.2×42=3.6(458)0.8x-2.4×5=3.2(459)1.7x-3.1×2=12.5(460)6x-4×1.1=8.2(461)9x-4×1=14.9(462)18x-41×0.4=1.6(463)9x-2×0.5=8(464)35x-19×0.3=1.3(465)26x-4×4=2.2(466)14x-6×2.4=1(467)4x-14×0.9=3.8(468)2x-3×1.2=3(469)20(x+3)=200(470)5(3x+17)=145(471)7(x+2)=42(472)2(11x+13)=136(473)4(x+3)=156(474)2(3x+9)=54(475)3(x+29)=93(476)2(12x+43)=182(477)5(4x+17)=165(478)5(18x-8)=140(479)9(5x-3)=198(480)3(4x-29)=93(481)3(x-3)=87(482)5(5x-8)=185(483)2(12x-47)=146(484)5(12x-42)=90(485)8(10x-16)=112(486)16(x-9)=176(487)5(1.1x+4.2)=37.5(488)2(0.2x+3.3)=17(489)3(0.9x+0.6)=7.2(490)2(0.3x+7.1)=22(491)3(0.6x+7.1)=26.7(492)2(0.6x+4.5)=35.4(493)4(1.2x+1.7)=50(494)4(0.3x+7.2)=34.8(495)3(1.9x+3.6)=33.6(496)16(3.8x-8.6)=44.8(497)12(0.2x-5.8)=43.2(498)2(3.7x-8.1)=35.6(499)5(0.5x-7.5)=40(500)7(1.4x-6.6)=32.2(501)5(2.8x-7.4)=47(502)2(0.8x-8.8)=20.8(503)5(1.7x-1.1)=11.5(504)15(0.7x-1.7)=16.5(505)(10x+6)÷2=13(506)(14x+18)÷23=2(507)(18x+9)÷15=3(508)(6x+8)÷44=1(509)(8x+18)÷18=5(510)(16x+20)÷45=4(511)(7x+10)÷9=5(512)(3x+15)÷18=3(513)(3x+9)÷4=18(514)(3x-30)÷3=12(515)(5x-8)÷19=3(516)(19x-5)÷45=2(517)(9x-47)÷11=8(518)(4x-24)÷2=42(519)(14x-47)÷37=1(520)(17x-47)÷45=5(521)(4x-26)÷30=3(522)(18x-33)÷3=19(523)(1.1x+8.2)÷8=3.5(524)(7.1x+5)÷3=20.6(525)(5.7x+0.3)÷21=3(526)(6x+6.4)÷2=39.2(527)(0.9x+7.3)÷4=6.1(528)(4.4x+5)÷2=13.5(529)(2.3x+3.5)÷28=0.7(530)(1.7x+7.4)÷11=3.3(531)(9.4x+9.8)÷6=12.6(532)(1.2x-0.8)÷25=0.4(533)(4.8x-1.2)÷2=13.8(534)(1.3x-1.5)÷10=1.8(535)(5.8x-3.2)÷10=7.8(536)(6.6x-5.4)÷21=1(537)(9.5x-3.5)÷5=6.9(538)(4.7x-6.5)÷5=12.8(539)(4.8x-0.3)÷9=10.1(540)(4.9x-0.2)÷34=2.3參考答案(1)x=71(2)x=79(3)x=2(4)x=17(5)x=42(6)x=63(7)x=12(8)x=53(9)x=80(10)x=79(11)x=88(12)x=58(13)x=92(14)x=46(15)x=95(16)x=89(17)x=50(18)x=75(19)x=0.7(20)x=8(21)x=5.3(22)x=6.4(23)x=6.8(24)x=1.2(25)x=5.9(26)x=9.2(27)x=0.2(28)x=8(29)x=8.4(30)x=9.4(31)x=8(32)x=8.5(33)x=5.3(34)x=8.2(35)x=8.9(36)x=9.7(37)x=93(38)x=45(39)x=10(40)x=64(41)x=54(42)x=69(43)x=95(44)x=2(45)x=5(46)x=33(47)x=6(48)x=10(49)x=54(50)x=45(51)x=14(52)x=5(53)x=51(54)x=23(55)x=9.9(56)x=5.7(57)x=1(58)x=4.3(59)x=8.5(60)x=9.3(61)x=2.4(62)x=5.8(63)x=3.8(64)x=0.6(65)x=4.2(66)x=0.5(67)x=4.1(68)x=3.8(69)x=2.7(70)x=5.6(71)x=1.9(72)x=3(73)x=10(74)x=11(75)x=17(76)x=3(77)x=12(78)x=20(79)x=17(80)x=7(81)x=29(82)x=5(83)x=4(84)x=3(85)x=24(86)x=87(87)x=10(88)x=4(89)x=7(90)x=11(91)x=0.3(92)x=2(93)x=0.6(94)x=4(95)x=0.2(96)x=0.4(97)x=1(98)x=4.1(99)x=0.5(100)x=36(101)x=42(102)x=26(103)x=5(104)x=55(105)x=6(106)x=8(107)x=5(108)x=11(109)x=20(110)x=26(111)x=3(112)x=9(113)x=52(114)x=8(115)x=5(116)x=6(117)x=17(118)x=180(119)x=66(120)x=99(121)x=192(122)x=196(123)x=180(124)x=93(125)x=90(126)x=175(127)x=8(128)x=19.6(129)x=15.6(130)x=6(131)x=1.6(132)x=19.5(133)x=6.9(134)x=15.5(135)x=5.2(136)x=18(137)x=30(138)x=2(139)x=26(140)x=9(141)x=7(142)x=72(143)x=12(144)x=2(145)x=40(146)x=4(147)x=81(148)x=2(149)x=7(150)x=2(151)x=2(152)x=15(153)x=17(154)x=2.8(155)x=1.2(156)x=1.1(157)x=0.2(158)x=0.9(159)x=7.7(160)x=0.5(161)x=0.5(162)x=3.2(163)x=41(164)x=2(165)x=4(166)x=26(167)x=34(168)x=2(169)x=10(170)x=15(171)x=4(172)x=0.7(173)x=1.3(174)x=0.9(175)x=2.8(176)x=3.9(177)x=8(178)x=1.7(179)x=1.7(180)x=2.7(181)x=3(182)x=5(183)x=20(184)x=16(185)x=6(186)x=7(187)x=3(188)x=2(189)x=3(190)x=12(191)x=3(192)x=55(193)x=15(194)x=44(195)x=6(196)x=3(197)x=35(198)x=6(199)x=52(200)x=12(201)x=7(202)x=6(203)x=18(204)x=20(205)x=57(206)x=2(207)x=2(208)x=49(209)x=19(210)x=6(211)x=5(212)x=27(213)x=7(214)x=7(215)x=2(216)x=10(217)x=5.2(218)x=2.5(219)x=2.1(220)x=0.7(221)x=0.4(222)x=2.6(223)x=1.8(224)x=1.6(225)x=0.6(226)x=16(227)x=9(228)x=29(229)x=25(230)x=6(231)x=5(232)x=6(233)x=2(234)x=52(235)x=0.7(236)x=1.3(237)x=0.8(238)x=0.3(239)x=0.3(240)x=1.8(241)x=1.6(242)x=0.6(243)x=0.2(244)x=4(245)x=84(246)x=6(247)x=84(248)x=22(249)x=6(250)x=35(251)x=18(252)x=36(253)x=10(254)x=4(255)x=13(256)x=27(257)x=9(258)x=36(259)x=4(260)x=10(261)x=9(262)x=1.2(263)x=0.4(264)x=8.4(265)x=1(266)x=2.2(267)x=1.2(268)x=9(269)x=2.8(270)x=1.9(271)x=12(272)x=11(273)x=3(274)x=3(275)x=2(276)x=10(277)x=4(278)x=7(279)x=5(280)x=5(281)x=10(282)x=8(283)x=7(284)x=2(285)x=11(286)x=19(287)x=12(288)x=7(289)x=8(290)x=20(291)x=5(292)x=59(293)x=26(294)x=10(295)x=5(296)x=11(297)x=6(298)x=6(299)x=10(300)x=9(301)x=30(302)x=10(303)x=4(304)x=14(305)x=13(306)x=92(307)x=15(308)x=14(309)x=7(310)x=2(311)x=10(312)x=43(313)x=4(314)x=17(315)x=9(316)x=2(317)x=7(318)x=12(319)x=5(320)x=2(321)x=4(322)x=2(323)x=27(324)x=22(325)x=9(326)x=16(327)x=10(328)x=9(329)x=19(330)x=9(331)x=12(332)x=16(333)x=14(334)x=8(335)x=17(336)x=26(337)x=46(338)x=25(339)x=10(340)x=8(341)x=20(342)x=10(343)x=36(344)x=10(345)x=27(346)x=5(347)x=45(348)x=4(349)x=7(350)x=9(351)x=6(352)x=0.9(353)x=1.3(354)x=0.7(355)x=0.4(356)x=0.7(357)x=1(358)x=2.3(359)x=0.3(360)x=1.5(361)x=16(362)x=27(363)x=18(364)x=4(365)x=8(366)x=38(367)x=21(368)x=13(369)x=6(370)x=1.6(371)x=4(372)x=0.6(373)x=0.5(374)x=0.7(375)x=0.4(376)x=4.7(377)x=1.3(378)x=0.8(379)x=13(380)x=15(381)x=3(382)x=20(383)x=35(384)x=7(385)x=3(386)x=4(387)x=2(388)x=0.2(389)x=0.9(390)x=2.1(391)x=