五年級(jí)數(shù)學(xué)(方程)專(zhuān)項(xiàng)練習(xí)題及答案

五年級(jí)數(shù)學(xué)(方程)專(zhuān)項(xiàng)練習(xí)題及答案(1)x+64=124(2)x+82=117(3)x+15=45(4)x+91=169(5)x+25=35(6)x+60=143(7)x+16=56(8)x+8=29(9)x+76=174(10)x-29=28(11)x-68=21(12)x-60=22(13)x-5=40(14)x-57=23(15)x-5=32(16)x-6=16(17)x-36=18(18)x-34=64(19)x+3.7=7(20)x+1.4=2.1(21)x+5.8=10.8(22)x+4.3=4.9(23)x+4.7=14.2(24)x+4.9=9.3(25)x+5.4=5.6(26)x+7.5=9.5(27)x+5=12.1(28)x-1.8=5.6(29)x-1.4=4.5(30)x-7=2.1(31)x-4=3.3(32)x-0.6=7.6(33)x-1=8.4(34)x-1=3.8(35)x-1.5=3.1(36)x-5.9=2.8(37)75+x=160(38)13+x=20(39)32+x=54(40)86+x=133(41)91+x=183(42)56+x=128(43)14+x=81(44)18+x=98(45)44+x=121(46)33-x=11(47)96-x=63(48)61-x=25(49)89-x=10(50)49-x=41(51)98-x=43(52)19-x=10(53)22-x=16(54)76-x=60(55)4.9+x=6.7(56)9+x=10.6(57)1.8+x=11.6(58)2.3+x=4.9(59)2.2+x=5.7(60)4.7+x=13.8(61)3.6+x=12.1(62)1.3+x=1.9(63)9.3+x=19(64)8.7-x=8.1(65)8-x=6.2(66)9.2-x=7.2(67)3-x=2.6(68)6.7-x=5.6(69)7.2-x=2.9(70)7.4-x=1(71)4-x=3.7(72)4.7-x=1.6(73)91x=182(74)19x=152(75)47x=94(76)98x=196(77)8x=72(78)3x=186(79)30x=150(80)11x=55(81)63x=126(82)3.7x=7.4(83)3.9x=15.6(84)0.3x=17.4(85)4x=20(86)0.3x=18.6(87)1.3x=10.4(88)7.6x=15.2(89)4.3x=8.6(90)0.7x=6.3(91)56x=11.2(92)32x=9.6(93)18x=7.2(94)62x=12.4(95)28x=16.8(96)8x=16(97)3x=1.8(98)5x=14(99)50x=20(100)122÷x=2(101)159÷x=3(102)99÷x=3(103)170÷x=5(104)78÷x=2(105)120÷x=3(106)72÷x=18(107)156÷x=6(108)76÷x=2(109)12÷x=0.5(110)1.6÷x=0.2(111)4.9÷x=0.7(112)9.8÷x=0.7(113)4.8÷x=0.2(114)13.3÷x=0.7(115)17÷x=1(116)16.5÷x=0.3(117)2.6÷x=0.2(118)x÷15=5(119)x÷13=2(120)x÷2=40(121)x÷2=23(122)x÷24=6(123)x÷36=5(124)x÷7=12(125)x÷12=6(126)x÷34=5(127)x÷3=1.8(128)x÷39=0.2(129)x÷18=0.3(130)x÷2=0.4(131)x÷6=2.1(132)x÷2=4.5(133)x÷17=0.9(134)x÷14=0.7(135)x÷2=1(136)20x+13=193(137)21x+27=153(138)25x+39=89(139)39x+56=134(140)3x+12=87(141)3x+48=147(142)3x+50=191(143)11x+50=149(144)54x+31=139(145)17x-13=72(146)33x-48=18(147)11x-40=158(148)8x-54=42(149)9x-32=166(150)3x-54=105(151)23x-31=61(152)5x-40=20(153)23x-56=82(154)32x+3.2=19.2(155)4x+1.8=17.4(156)22x+3.2=12(157)8x+5.6=23.2(158)9x+1.8=4.5(159)2x+4.5=7.3(160)8x+3.5=17.9(161)9x+1.8=20.7(162)59x+5.2=17(163)0.2x+4.4=9.4(164)3x+5.2=17.2(165)3.4x+5.7=22.7(166)0.9x+2.2=9.4(167)1.9x+3.8=20.9(168)2.5x+1.6=21.6(169)4.7x+5.8=24.6(170)9.4x+4.1=22.9(171)0.4x+5.3=9.7(172)5x-2=1.5(173)2x-1.8=7.4(174)2x-4.9=2.9(175)5x-3.8=5.7(176)15x-2.9=6.1(177)9x-4.5=11.7(178)4x-5.3=7.1(179)2x-5=8.2(180)6x-1.9=4.1(181)0.5x-1.7=11.3(182)0.7x-3.8=11.6(183)0.2x-5.7=13.1(184)0.6x-3.8=12.4(185)1.9x-5.8=9.4(186)3.7x-1.3=6.1(187)2.3x-5.3=13.1(188)0.2x-4.6=1.4(189)0.3x-4.2=7.2(190)112+61x=234(191)118+3x=184(192)34+44x=210(193)127+68x=263(194)182+10x=252(195)98+42x=182(196)134+2x=286(197)63+12x=195(198)75+21x=138(199)50-2x=28(200)138-10x=28(201)52-12x=28(202)162-11x=85(203)188-3x=98(204)118-42x=34(205)169-4x=33(206)173-4x=137(207)173-13x=134(208)16.6+0.2x=18.8(209)18.6+2.9x=24.4(210)4.1+2.2x=17.3(211)7.1+1.4x=19.7(212)18+0.2x=34.2(213)7.1+0.5x=25.6(214)10.1+0.9x=20(215)12.9+1.2x=32.1(216)4.8+0.7x=23(217)5.9+13x=8.5(218)5+2x=19.2(219)11.1+45x=29.1(220)2.9+3x=10.7(221)15.2+3x=26.9(222)13.5+16x=29.5(223)9.9+16x=14.7(224)6.6+14x=12.2(225)1.9+15x=16.9(226)13.5-0.6x=1.5(227)17.5-0.5x=10(228)9.6-0.2x=4.8(229)15.2-0.3x=12.2(230)15.6-1x=1.6(231)19.6-0.3x=2.2(232)17.3-0.9x=2(233)8.7-0.2x=3.9(234)9.4-0.3x=8.5(235)13.3-7x=2.8(236)15.3-36x=4.5(237)14.2-9x=4.3(238)8-7x=3.1(239)12.4-4x=10.4(240)9.3-22x=4.9(241)11-9x=3.8(242)13.8-4x=1(243)4.9-4x=2.5(244)6x÷3=28(245)4x÷9=12(246)39x÷13=9(247)14x÷16=7(248)52x÷26=4(249)3x÷4=21(250)60x÷9=20(251)2x÷3=32(252)4x÷8=24(253)0.3x÷5=3.3(254)1.5x÷4=3(255)0.2x÷50=0.3(256)1.2x÷30=0.2(257)0.7x÷12=1.4(258)1.8x÷2=3.6(259)1.6x÷24=0.2(260)0.3x÷10=1.8(261)5.7x÷19=0.9(262)34x÷85=0.2(263)88x÷4=4.4(264)17x÷4=3.4(265)4x÷10=1.6(266)64x÷16=0.8(267)4x÷5=4(268)3x÷10=1.8(269)20x÷16=0.5(270)20x÷4=4.5(271)19x+8x=270(272)2x+3x=50(273)12x+5x=68(274)7x+13x=180(275)2x+9x=77(276)10x+7x=221(277)6x+8x=350(278)12x+8x=300(279)4x+3x=14(280)13x-2x=110(281)18x-6x=120(282)19x-10x=36(283)9x-6x=39(284)16x-12x=20(285)18x-8x=30(286)10x-2x=120(287)16x-5x=110(288)10x-7x=24(289)5.2x+7.3x=50(290)4.9x+6.6x=126.5(291)4.5x+4.7x=92(292)8x+2.3x=103(293)0.8x+0.7x=133.5(294)2.3x+2.9x=46.8(295)5.3x+9.5x=59.2(296)4.5x+9.3x=55.2(297)2.5x+0.8x=72.6(298)7.2x-6.1x=6.6(299)5.1x-4x=3.3(300)6.9x-4.5x=7.2(301)9.6x-9.2x=1.2(302)7.5x-0.3x=86.4(303)8.3x-3.9x=48.4(304)9.1x-8.5x=6(305)6.6x-2.1x=36(306)1.1x-0.5x=31.8(307)4x+9x+42=237(308)2x+13x+37=82(309)4x+9x+41=275(310)15x+3x+29=227(311)4x+3x+16=135(312)7x+11x+42=276(313)2x+19x+36=204(314)13x+6x+20=77(315)16x+15x+5=67(316)5x+9x-34=162(317)11x+2x-33=84(318)7x+11x-6=318(319)9x+4x-3=166(320)7x+13x-33=127(321)3x+2x-47=133(322)10x+3x-18=125(323)4x+9x-18=164(324)13x+2x-45=60(325)18x-12x+8=32(326)5x-3x+33=59(327)12x-3x+49=112(328)13x-5x+14=110(329)11x-8x+2=20(330)19x-2x+31=116(331)12x-3x+27=108(332)19x-8x+30=63(333)19x-13x+3=57(334)11x-4x-28=77(335)13x-5x-6=58(336)7x-4x-42=12(337)5x-2x-4=41(338)6x-3x-14=16(339)12x-8x-30=22(340)16x-12x-17=11(341)14x-6x-26=38(342)18x-4x-17=67(343)5.4x+3.9x+4.4=116(344)2.1x+3.7x+4.7=132.3(345)6.6x+9.8x+0.8=164.8(346)1x+7.6x+4=98.6(347)0.2x+1.1x+4.5=79.9(348)0.9x+9.3x+4.2=34.8(349)0.5x+5x+3.4=102.4(350)8.9x+5.7x+4.4=150.4(351)6.2x+6.8x+1.3=92.3(352)10x+36x+1.6=61.4(353)57x+12x+3.4=17.2(354)72x+76x+0.6=59.8(355)35x+31x+4.1=109.7(356)67x+88x+2.1=79.6(357)6x+88x+3.5=41.1(358)20x+24x+2.7=165.5(359)63x+21x+4=37.6(360)95x+96x+1.8=192.8(361)0.3x+3.3x-2=41.2(362)4.8x+6.4x-4.9=51.1(363)3.3x+4.9x-3.9=86.3(364)0.9x+4.7x-0.5=83.5(365)6x+8.1x-0.2=154.9(366)1.7x+8.6x-0.8=91.9(367)9.2x+8.8x-0.7=89.3(368)0.6x+3.2x-2.9=4.7(369)1.7x+9.5x-1.3=110.7(370)22x+40x-4.1=70.3(371)41x+10x-0.6=40.2(372)65x+5x-3.3=17.7(373)36x+20x-1.9=82.1(374)48x+53x-4.7=126.6(375)59x+66x-2.4=97.6(376)98x+23x-4.5=80.2(377)57x+69x-0.6=138(378)5x+2x-0.3=37.5(379)3.4x-3x+3.1=7.5(380)4.5x-2.2x+0.7=37.5(381)8.7x-8x+3.6=7.1(382)9.1x-6.5x+0.6=13.6(383)7.9x-7.5x+1=2.2(384)1x-0.2x+0.7=54.3(385)1.9x-0.9x+1.8=21.8(386)1.7x-0.7x+0.8=41.8(387)4.6x-1.3x+0.9=20.7(388)66x-46x+3.4=27.4(389)94x-75x+1.2=8.8(390)45x-24x+0.8=36.5(391)74x-9x+1.8=47.3(392)24x-13x+3.1=35(393)39x-29x+4.2=27.2(394)25x-18x+3.5=15.4(395)86x-58x+2.2=24.6(396)12x-2x+4.9=28.9(397)3.3x-0.4x-4.7=62(398)4.4x-1.7x-0.8=7.3(399)3.7x-1.3x-1.1=22.9(400)7.5x-2.1x-0.7=26.3(401)4.8x-2.2x-0.3=30.9(402)6.4x-0.3x-2.4=46.4(403)3.7x-3.1x-0.9=14.1(404)2.2x-1.7x-0.8=13.7(405)5.1x-2.4x-0.8=42.4(406)19x-14x-3.2=1.3(407)40x-30x-4=4(408)43x-23x-1.5=40.5(409)22x-10x-2.5=47.9(410)91x-49x-1.5=27.9(411)14x-11x-1.8=5.1(412)49x-33x-2.8=24.4(413)80x-36x-4.8=43.6(414)13x-5x-1.2=16.4(415)3x+29×2=199(416)2x+18×6=242(417)8x+2×49=210(418)4x+22×6=252(419)2x+9×20=222(420)3x+10×18=258(421)29x+8×3=111(422)29x+3×21=237(423)22x+52×2=258(424)6x-11×9=87(425)2x-23×7=27(426)8x-8×5=64(427)8x-12×4=72(428)25x-10×2=105(429)29x-3×27=35(430)9x-2×5=53(431)14x-2×14=140(432)4x-3×26=114(433)0.4x+0.4×7=21.6(434)0.9x+1.1×3=19.5(435)0.4x+0.4×46=35.6(436)1.5x+0.5×28=26(437)0.9x+0.3×44=15.9(438)0.3x+3.4×4=19.9(439)0.3x+1.8×4=17.1(440)3.3x+0.3×14=10.8(441)4.5x+0.9×20=27(442)15x+24×0.6=32.4(443)9x+19×0.2=21.8(444)15x+17×0.2=18.4(445)6x+24×0.4=11.4(446)6x+4×2.7=29.4(447)3x+18×0.3=17.1(448)13x+35×0.2=13.5(449)43x+3×4.1=20.9(450)14x+2×4.6=23.2(451)0.6x-1.7×10=2.8(452)4.7x-0.8×6=4.6(453)0.8x-0.8×4=14.4(454)1.6x-3.6×4=3.2(455)0.4x-0.2×39=11(456)1.8x-0.8×11=3.8(457)1.2x-0.9×5=11.1(458)2.3x-1.6×8=5.6(459)3.2x-1.5×5=8.5(460)16x-2×1.9=4.2(461)23x-3×1.8=6.1(462)40x-20×0.8=4(463)7x-20×0.6=3.4(464)5x-4×0.6=12.6(465)8x-5×1=3(466)11x-14×0.2=12.6(467)15x-3×0.8=11.1(468)47x-2×1.9=5.6(469)2(x+19)=88(470)2(4x+5)=154(471)2(7x+10)=104(472)4(x+22)=156(473)3(3x+30)=144(474)2(11x+3)=138(475)3(3x+26)=168(476)24(x+3)=168(477)2(11x+5)=142(478)7(3x-46)=161(479)14(6x-28)=196(480)4(18x-26)=112(481)6(x-11)=180(482)6(7x-11)=60(483)4(27x-14)=160(484)7(10x-15)=175(485)2(3x-7)=88(486)9(8x-26)=198(487)4(2.7x+0.9)=25.2(488)3(0.3x+6.3)=39.6(489)3(2.2x+1.5)=17.7(490)6(3.2x+0.7)=42.6(491)3(0.7x+0.3)=11.4(492)5(0.3x+0.6)=13.5(493)7(x+0.7)=32.9(494)4(1.9x+2.1)=23.6(495)3(0.4x+5.3)=44.7(496)3(0.6x-8.6)=22.8(497)4(1.5x-3)=12(498)5(0.8x-0.8)=24(499)15(2.8x-3.7)=28.5(500)11(3.4x-5.2)=17.6(501)2(4.9x-5)=29.2(502)3(4x-8.2)=35.4(503)2(3.1x-1.5)=28(504)3(6.6x-7.3)=17.7(505)(18x+24)÷26=3(506)(8x+30)÷2=127(507)(18x+25)÷7=19(508)(5x+2)÷2=46(509)(6x+26)÷16=5(510)(17x+8)÷33=9(511)(12x+48)÷9=16(512)(17x+3)÷5=21(513)(12x+30)÷42=7(514)(12x-36)÷8=27(515)(10x-20)÷10=8(516)(11x-30)÷2=84(517)(12x-36)÷20=6(518)(x-15)÷7=2(519)(9x-28)÷5=7(520)(16x-28)÷45=4(521)(5x-27)÷4=22(522)(10x-46)÷18=13(523)(3.5x+0.5)÷15=4(524)(8.8x+9.9)÷11=4.9(525)(6.9x+1.8)÷4=3.9(526)(3.8x+2.4)÷2=14.5(527)(9.7x+3.4)÷30=2.7(528)(6.7x+2.4)÷5=17.9(529)(3.3x+8.6)÷7=5(530)(5x+2.4)÷23=3.8(531)(1.8x+1.6)÷4=4(532)(2.6x-4.6)÷19=1.4(533)(5.6x-3.4)÷10=1.9(534)(3x-4.8)÷2=3.6(535)(2.7x-0.9)÷6=2.1(536)(9.8x-4.2)÷14=6.7(537)(5.7x-4.1)÷2=6.5(538)(3.5x-3.8)÷24=1.3(539)(5x-6.4)÷3=21.2(540)(8.1x-3.9)÷5=5.7參考答案(1)x=60(2)x=35(3)x=30(4)x=78(5)x=10(6)x=83(7)x=40(8)x=21(9)x=98(10)x=57(11)x=89(12)x=82(13)x=45(14)x=80(15)x=37(16)x=22(17)x=54(18)x=98(19)x=3.3(20)x=0.7(21)x=5(22)x=0.6(23)x=9.5(24)x=4.4(25)x=0.2(26)x=2(27)x=7.1(28)x=7.4(29)x=5.9(30)x=9.1(31)x=7.3(32)x=8.2(33)x=9.4(34)x=4.8(35)x=4.6(36)x=8.7(37)x=85(38)x=7(39)x=22(40)x=47(41)x=92(42)x=72(43)x=67(44)x=80(45)x=77(46)x=22(47)x=33(48)x=36(49)x=79(50)x=8(51)x=55(52)x=9(53)x=6(54)x=16(55)x=1.8(56)x=1.6(57)x=9.8(58)x=2.6(59)x=3.5(60)x=9.1(61)x=8.5(62)x=0.6(63)x=9.7(64)x=0.6(65)x=1.8(66)x=2(67)x=0.4(68)x=1.1(69)x=4.3(70)x=6.4(71)x=0.3(72)x=3.1(73)x=2(74)x=8(75)x=2(76)x=2(77)x=9(78)x=62(79)x=5(80)x=5(81)x=2(82)x=2(83)x=4(84)x=58(85)x=5(86)x=62(87)x=8(88)x=2(89)x=2(90)x=9(91)x=0.2(92)x=0.3(93)x=0.4(94)x=0.2(95)x=0.6(96)x=2(97)x=0.6(98)x=2.8(99)x=0.4(100)x=61(101)x=53(102)x=33(103)x=34(104)x=39(105)x=40(106)x=4(107)x=26(108)x=38(109)x=24(110)x=8(111)x=7(112)x=14(113)x=24(114)x=19(115)x=17(116)x=55(117)x=13(118)x=75(119)x=26(120)x=80(121)x=46(122)x=144(123)x=180(124)x=84(125)x=72(126)x=170(127)x=5.4(128)x=7.8(129)x=5.4(130)x=0.8(131)x=12.6(132)x=9(133)x=15.3(134)x=9.8(135)x=2(136)x=9(137)x=6(138)x=2(139)x=2(140)x=25(141)x=33(142)x=47(143)x=9(144)x=2(145)x=5(146)x=2(147)x=18(148)x=12(149)x=22(150)x=53(151)x=4(152)x=12(153)x=6(154)x=0.5(155)x=3.9(156)x=0.4(157)x=2.2(158)x=0.3(159)x=1.4(160)x=1.8(161)x=2.1(162)x=0.2(163)x=25(164)x=4(165)x=5(166)x=8(167)x=9(168)x=8(169)x=4(170)x=2(171)x=11(172)x=0.7(173)x=4.6(174)x=3.9(175)x=1.9(176)x=0.6(177)x=1.8(178)x=3.1(179)x=6.6(180)x=1(181)x=26(182)x=22(183)x=94(184)x=27(185)x=8(186)x=2(187)x=8(188)x=30(189)x=38(190)x=2(191)x=22(192)x=4(193)x=2(194)x=7(195)x=2(196)x=76(197)x=11(198)x=3(199)x=11(200)x=11(201)x=2(202)x=7(203)x=30(204)x=2(205)x=34(206)x=9(207)x=3(208)x=11(209)x=2(210)x=6(211)x=9(212)x=81(213)x=37(214)x=11(215)x=16(216)x=26(217)x=0.2(218)x=7.1(219)x=0.4(220)x=2.6(221)x=3.9(222)x=1(223)x=0.3(224)x=0.4(225)x=1(226)x=20(227)x=15(228)x=24(229)x=10(230)x=14(231)x=58(232)x=17(233)x=24(234)x=3(235)x=1.5(236)x=0.3(237)x=1.1(238)x=0.7(239)x=0.5(240)x=0.2(241)x=0.8(242)x=3.2(243)x=0.6(244)x=14(245)x=27(246)x=3(247)x=8(248)x=2(249)x=28(250)x=3(251)x=48(252)x=48(253)x=55(254)x=8(255)x=75(256)x=5(257)x=24(258)x=4(259)x=3(260)x=60(261)x=3(262)x=0.5(263)x=0.2(264)x=0.8(265)x=4(266)x=0.2(267)x=5(268)x=6(269)x=0.4(270)x=0.9(271)x=10(272)x=10(273)x=4(274)x=9(275)x=7(276)x=13(277)x=25(278)x=15(279)x=2(280)x=10(281)x=10(282)x=4(283)x=13(284)x=5(285)x=3(286)x=15(287)x=10(288)x=8(289)x=4(290)x=11(291)x=10(292)x=10(293)x=89(294)x=9(295)x=4(296)x=4(297)x=22(298)x=6(299)x=3(300)x=3(301)x=3(302)x=12(303)x=11(304)x=10(305)x=8(306)x=53(307)x=15(308)x=3(309)x=18(310)x=11(311)x=17(312)x=13(313)x=8(314)x=3(315)x=2(316)x=14(317)x=9(318)x=18(319)x=13(320)x=8(321)x=36(322)x=11(323)x=14(324)x=7(325)x=4(326)x=13(327)x=7(328)x=12(329)x=6(330)x=5(331)x=9(332)x=3(333)x=9(334)x=15(335)x=8(336)x=18(337)x=15(338)x=10(339)x=13(340)x=7(341)x=8(342)x=6(343)x=12(344)x=22(345)x=10(346)x=11(347)x=58(348)x=3(349)x=18(350)x=10(351)x=7(352)x=1.3(353)x=0.2(354)x=0.4(355)x=1.6(356)x=0.5(357)x=0.4(358)x=3.7(359)x=0.4(360)x=1(361)x=12(362)x=5(363)x=11(364)x=15(365)x=11(366)x=9(367)x=5(368)x=2(369)x=10(370)x=1.2(371)x=0.8(372)x=0.3(373)x=1.5(374)x=1.3(375)x=0.8(376)x=0.7(377)x=1.1(378)x=5.4(379)x=11(380)x=16(381)x=5(382)x=5(383)x=3(384)x=67(385)x=20(386)x=41(387)x=6(388)x=1.2(389)x=0.4(390)x=1.7(391)x=