五年級數(shù)學(xué)(方程)習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)習(xí)題及答案匯編(1)88+x=99(2)9.2x-1.1x=32.4(3)8.9+3x=15.2(4)4x+16x-30=70(5)3.7x=7.4(6)0.5x=8.5(7)21x+35=182(8)5.1x-1.7x+4.3=28.1(9)8x+7×20=212(10)12.4-0.7x=6.1(11)8x-3x+26=36(12)6x-2×3.8=4.4(13)10.8+2x=14.6(14)5.4x-3.7x-3.5=15.2(15)7x+3x-14=146(16)10.7-1.5x=4.7(17)0.8x+5=15.4(18)7x=8.4(19)59x-6x+0.6=64.2(20)189-51x=36(21)2x+28=72(22)0.4x-5.6=6.8(23)2(2.8x+7.7)=32.2(24)12x÷10=6(25)71x+61x+2.1=94.5(26)(3x+9)÷2=30(27)7x-3.7=13.1(28)x+93=190(29)9.9÷x=1.1(30)6.9x-1.4x+4.4=26.4(31)5x+7x+12=36(32)18÷x=6(33)8x+2x+8=178(34)5x-2x-38=16(35)10x-8x=30(36)0.4x=4.8(37)1.8x+4.3x-1.8=53.1(38)(2x-9.5)÷25=0.1(39)0.6x+1.7=8.3(40)5.4x+4.9x=175.1(41)x÷20=3(42)2(1.3x+8.8)=35.8(43)14.2-3x=1.9(44)x-14=10(45)20x+3×17=131(46)(5x-45)÷14=5(47)5x+12x+5=175(48)2x+2×12=218(49)3.2x-1.2x=22(50)11x+50=72(51)10x-4x+38=50(52)9.9x+7.6x+1.5=176.5(53)x÷6=15(54)6.7+9x=13.9(55)20x-11=109(56)5.7x-5.1x-2.8=3.2(57)15.9-0.3x=6.3(58)8.4x-7.3x=2.2(59)0.9x÷18=0.3(60)7x+3.2=13.7(61)45x-4.9=4.1(62)16.6-3.9x=8.8(63)2.3+x=6.9(64)15.5-11x=2.3(65)13.2+0.2x=17(66)143÷x=11(67)5x-3x-2=60(68)36+7x=113(69)x+15=114(70)66x-3.8=16(71)94+x=122(72)13x-10x-3.5=2.2(73)13x-4x+47=110(74)0.3x+0.3×31=21.9(75)3x-23=58(76)5(10x-38)=110(77)82x=164(78)x-18=62(79)5x=10(80)120÷x=10(81)13.7+0.9x=27.2(82)12.7-31x=6.5(83)97x-44x-2.7=13.2(84)x÷22=0.6(85)38x+16=92(86)16x-10x-13=35(87)3x-4×14=112(88)28x=140(89)4x-34×0.4=6(90)4.8x+0.7×25=27.1(91)20x-6×5=70(92)2x+18=156(93)7.8x+7.7x=62(94)0.4x+1.1x-2=80.5(95)13.5-6x=2.1(96)50x+63x-4.4=86(97)121+10x=151(98)53x+2x-3.5=62.5(99)10.4-2x=7.2(100)2(5x+12)=94(101)3x+18×6=285(102)3.5x+4.8x-0.5=57.6(103)(16x-8)÷18=4(104)18x-15×4=48(105)76x÷4=3.8(106)56-x=21(107)16.6-3x=7.6(108)(12x-21)÷7=33(109)2x÷12=13(110)13.6+9.2x=32(111)15.6÷x=0.4(112)2(0.5x+9.4)=32.8(113)34+x=37(114)x-1.4=2(115)8x+2x=100(116)7.8x-5.7=9.9(117)5.4x÷4=2.7(118)25x=12.5(119)x-2.5=4.2(120)x+4.8=5.9(121)9.4+6x=10.6(122)(2.9x+7)÷7=3.9(123)9x-7x+10=32(124)2.7x-0.9x=9(125)4.3x-0.2×7=7.2(126)18.5÷x=3.7(127)x÷87=0.2(128)2.2x+0.3×4=5.6(129)0.6x+4.7=19.7(130)4.3x-1.8x+3.5=26(131)23(0.2x+0.9)=43.7(132)30x=150(133)x+9.5=9.9(134)0.2x+1.9=7.3(135)2x÷23=8(136)8.7+3x=26.7(137)0.2x÷16=1(138)11x-5x=90(139)4.5+x=6.6(140)1.7+61x=13.9(141)10x+9x-49=331(142)77-x=13(143)6.7x+7.7x=129.6(144)83x+7x-4.2=85.8(145)(3x+45)÷2=27(146)4(3x-31)=152(147)68-x=64(148)(0.3x+1.2)÷4=1.2(149)55+16x=167(150)x-24=62(151)2(0.8x+4)=44.8(152)17x÷51=2(153)3.3x+3.5x-4.6=43(154)11x+10x=273(155)5(0.9x+0.7)=21.5(156)(7.2x+5.1)÷3=20.9(157)27x=5.4(158)6x+28×0.7=22(159)28x-5.5=11.3(160)0.5x+0.4x=27.9(161)27x-29×0.2=10.4(162)1+1.5x=20.5(163)12÷x=2(164)3x+1.1=18.8(165)32x+3.8=23(166)8x+2×13=210(167)12x-3=7.8(168)x+5.4=11.8(169)2(2x+14)=76(170)7x-5x+21=73(171)9.1x-8.2x=5.4(172)28x+65x-3.2=127(173)151-29x=35(174)126+3x=189(175)6+8x=20.4(176)50x+97x-3.1=99.8(177)18x-2×1.7=14.6(178)x+0.6=2.3(179)(3.2x-2.4)÷24=1.9(180)x÷28=6(181)3x=147(182)0.8+x=8.2(183)7.1+x=11(184)x+44=132(185)5(2x-1.6)=42(186)51x-17=136(187)6x+7×28=244(188)30x÷45=2(189)0.6x-0.6×18=6.6(190)2x÷36=0.3(191)21x+6×0.9=9.6(192)2x+55=253(193)15x-8x-8=41(194)45x-15x-3.7=2.3(195)5.3+x=5.5(196)12x-3x=144(197)2x+5.6=12(198)x+70=115(199)4x=176(200)0.8x+2.1=7.7(201)0.8x+2.1x+0.4=116.4(202)0.8x+2.5x+3.6=49.8(203)x-30=46(204)3.3x-1×3=3.6(205)17x-14=139(206)198-6x=90(207)2(x+12)=70(208)33x=165(209)(4.1x+5.1)÷27=1.1(210)(18x+34)÷2=53(211)6.7x-2.2x=13.5(212)6x÷63=2(213)19.3-0.2x=15.9(214)3.1x-0.4x+3=30(215)5x+12=42(216)x-8=81(217)(4x+6)÷2=7(218)x+5.2=7.6(219)93x-39x-1.5=41.7(220)6x-32×0.2=9.2(221)8x-2x+39=183(222)x+30=117(223)54x-38x-0.8=4(224)10x-5x=20(225)5(9x-7)=100(226)23x+4x+0.8=41.3(227)x-22=62(228)21x-41×3=66(229)0.7x-1.5×9=2.6(230)46x-30x+2.1=13.3(231)11(0.2x-0.3)=12.1(232)x+21=93(233)184-8x=80(234)22x÷33=0.6(235)0.4x-4.9=13.9(236)9x÷3=4.2(237)15x+8x-19=119(238)3x+16×1=18.7(239)0.2x÷30=0.6(240)2.4x÷36=0.2(241)19x-10x-17=19(242)70x+99x-4.4=113.9(243)6x-3x-20=70(244)5.7x-2.6x-4.8=4.5(245)18x+22x+1.8=85.8(246)12x-2x=30(247)0.7x+3.2x-1.6=111.5(248)42x+82x+3.2=114.8(249)6x+9x=195(250)1.2x+1.4x=41.6(251)81x-30=132(252)6x-2x-10=34(253)8.8+7x=22.8(254)15.4-0.2x=6.6(255)0.4x-3=1(256)(6x-25)÷29=1(257)0.2x-1.1=1.7(258)80x÷16=10(259)1.7x+0.7x=24(260)x-6.3=3.1(261)15(7x-16)=180(262)16x=12.8(263)4(0.4x+2.4)=46.4(264)145÷x=5(265)x+3=87(266)40x=12(267)93-2x=79(268)(4.2x+7.2)÷4=14.4(269)4.3x-2.2x+0.7=9.1(270)7.1x-5.7x-1.3=15.5(271)5+x=99(272)19.9-92x=1.5(273)0.4x÷10=0.8(274)x÷15=3(275)17x+29x+2.9=94.9(276)61-x=44(277)16.7+6.6x=36.5(278)18x-3.3=9.3(279)6.2x-3.9x-0.5=22.5(280)33x-2×3.2=13.4(281)10.2+4.4x=23.4(282)1+0.3x=15.4(283)2(4x-41)=182(284)x-77=14(285)(8.8x+0.7)÷5=19.5(286)(2.1x+5.9)÷2=8.2(287)2x-4×41=24(288)x-6.2=2.1(289)(11x+10)÷6=42(290)1x=19(291)x-2=96(292)17.7-81x=1.5(293)3(12x-43)=195(294)54÷x=18(295)20+4x=96(296)(18x+22)÷2=29(297)1.4x+3.3=8.9(298)3x+7×2.6=21.5(299)11x+5×32=358(300)4x+2x=180(301)4.7x+0.3x=90(302)8+3x=26(303)x-1.1=1(304)11x-9×10=86(305)9x-3×31=60(306)11x+8x-1=80.7(307)2.7÷x=0.9(308)x÷18=0.8(309)5x-2x+27=129(310)21x=18.9(311)4x÷9=1.6(312)(7x+45)÷11=6(313)83+x=145(314)56+x=139(315)3x-10=65(316)12x+7x=95(317)2.5x=10(318)19x+3×3.4=25.4(319)0.7x+5.4=8.9(320)9.3-x=7.4(321)97x-48x+2.9=27.4(322)2(5.3x-5.5)=42(323)(17x-20)÷9=11(324)19x-17x=20(325)3x+16x+0.9=88.3(326)11x+15×0.4=20.3(327)32-x=10(328)8.9x+5.9x+4.9=152.9(329)x-3.2=5.1(330)39x-4.4=7.3(331)x+2.1=11(332)(2.3x-9.8)÷10=0.4(333)x-3=6.3(334)67+4x=143(335)x-1.4=6.8(336)5.9x-0.2x+4=55.3(337)6x+4x+14=84(338)17.6-33x=11(339)4.2-x=1.8(340)3x=63(341)39-x=23(342)7.2x+6.5x+1.8=70.3(343)0.2x+0.3×26=10.4(344)14x-3x-19=36(345)2x+8x-34=36(346)12.6-3.6x=5.4(347)4x+11×0.3=6.1(348)45x÷30=0.3(349)2(2x-2)=140(350)3.4x-1.7x-4.2=45.1(351)(7x+27)÷6=8(352)x÷11=1.6(353)3x-2×12=24(354)x÷56=3(355)126-13x=22(356)3.4x-1.3x-1.6=11(357)81+x=146(358)2.2x-1.2×14=3(359)1.6-x=1.1(360)14x-27=141(361)19x-14x=45(362)68x-52x-1.2=14.8(363)182+10x=322(364)2(3.8x-5.3)=12.2(365)4.8-x=2.8(366)x÷13=0.3(367)(18x-42)÷6=35(368)4.6x-0.9×14=5.8(369)7.7+x=10.3(370)4(2.3x-1.8)=20.4(371)4x-3.4x+4=13(372)7x-12×15=16(373)2.4x=19.2(374)2x+7x=225(375)2x÷34=5(376)0.6x=17.4(377)x+0.8=1.9(378)4.1+x=8.4(379)90x-82x+2.3=10.3(380)5.7x-5.1x=3(381)15.6÷x=3.9(382)4.8x-2.7=6.9(383)x÷21=0.8(384)3x+45=159(385)132÷x=22(386)1.9-x=1.4(387)0.4x-0.2×42=4.8(388)5.1x-1.6x+3.3=20.8(389)6(4x+3)=186(390)0.4x÷2=1.8(391)83x+68x-3.3=147.7(392)8x-5x+32=80(393)78x-18x+0.9=72.9(394)14x+5.8=17(395)0.5x+3.6x=69.7(396)15.5-4.5x=2(397)4+x=9.2(398)18x+6x=216(399)14x÷21=0.2(400)53x-27x-0.6=38.4(401)14x-5x-40=68(402)3(15x-39)=108(403)(12x+12)÷2=138(404)8.3+0.2x=10.1(405)93-x=40(406)2.8x-2.6x=4.4(407)13x÷4=26(408)2.5x+1×9=19(409)23x÷69=0.2(410)0.4x+0.3×17=20.7(411)19x+5.6=22.7(412)95x=19(413)(1.5x+0.4)÷2=13.7(414)19x-15x=12(415)3.7x-2.2x-3.3=5.7(416)1.3x+9x+3.6=55.1(417)x÷18=4(418)0.9x÷24=0.6(419)12x+5x+33=254(420)79+x=144(421)7.3-x=2.2(422)11x+59x+3=73(423)68x-50x+0.6=22.2(424)2.4x-0.4x-1.2=34.8(425)2x=5(426)9x+11x+12=312(427)13x+18x=124(428)2(4x+39)=190(429)6x-52=80(430)99x-29x+4.3=39.3(431)(5.5x-1.1)÷11=5.9(432)9x+15x+44=332(433)3x+85×2=254(434)32x+18x-2.1=107.9(435)2(0.9x-4.1)=22.4(436)15(0.2x+0.2)=24(437)179-18x=71(438)3x÷9=1.8(439)14x+3.4=17.4(440)(0.8x-5.8)÷39=0.2(441)1.7x-0.4×5=16.7(442)4.1x-1.6x+0.3=47.8(443)197-8x=117(444)1.7x÷34=0.3(445)0.3x+1.3x-4.3=85.3(446)4.4÷x=1.1(447)(6x-5)÷23=5(448)43x+38×0.2=24.8(449)62x-19x-3.2=39.8(450)2x+7×6=212(451)6x-2=5.8(452)x÷18=1(453)x÷9=0.5(454)4x=80(455)3(x+20)=117(456)8.8-x=4.9(457)18x-7x+18=40(458)60÷x=30(459)x+2.1=11.2(460)3(5.2x-5.9)=13.5(461)1.7x-0.6×24=2.6(462)6.6x+5.1x-3.8=124.9(463)12x+10x-36=30(464)x÷21=2(465)4x-7×0.6=6.2(466)4x+6x+8=228(467)25x+4.3=11.8(468)10.8÷x=1.2(469)4(13x-17)=192(470)91-x=80(471)0.7x+1.9=20.8(472)2.8-x=1.1(473)4x+11×1.3=25.9(474)3(8x+7)=93(475)9x-5×2.4=2.4(476)6.6x-2.5=10.7(477)(10x-6)÷4=6(478)(3.7x-3.5)÷4=5.6(479)0.7x+3.8x+0.4=94.9(480)10x+19x-13=219(481)20x-33=127(482)0.9x+0.3x+0.5=116.9(483)76x=15.2(484)6(2.4x-4.1)=47.4(485)(4.6x+6.6)÷7=6.2(486)11x-3x+2.1=34.9(487)x+64=81(488)3x-3.4=6.8(489)7(0.8x+0.5)=25.9(490)x-1.5=8.1(491)35x-13×0.2=7.9(492)11.2÷x=2.8(493)(0.8x-8.4)÷4=1.1(494)18x+10x-33=51(495)3x+5x+33=257(496)(11x-27)÷4=51(497)x+35=54(498)(1.7x-5.1)÷34=0.7(499)x÷59=2(500)0.5x=12.5(501)x÷14=8(502)2x+3x-20=10(503)6.4x-3=16.2(504)(7.1x-8.8)÷9=0.6(505)85x-39x+0.8=51.4(506)x÷27=0.3(507)30x+94x+4.1=103.3(508)0.3x+2.1=14.4(509)0.9x+4.2x=56.1(510)55+x=105(511)8x+5.3=17.3(512)81-x=56(513)8x+49=217(514)7-x=2.9(515)x+7.7=10.4(516)7x-5x=28(517)0.4x+0.6×24=32(518)159+18x=267(519)7+9x=26.8(520)3.2x+1.1x-4.1=81.9(521)186÷x=2(522)x-7=92(523)58+10x=238(524)70x+3x+0.2=44(525)8.5+x=16.6(526)16.5-6x=7.5(527)2(x+12)=66(528)1x+3.6×5=23(529)2(6x+9)=174(530)8.1x-2.5x=56(531)3.9x+5.4x-4=61.1(532)22x=176(533)0.4x-4.8=8.8(534)6(2.8x-5.3)=35.4(535)2.4x+1×20=36.8(536)186÷x=31(537)2.4x+4.2x+2.4=81.6(538)162-17x=60(539)10x+3x=247(540)79x-51x-2.6=5.8參考答案(1)x=11(2)x=4(3)x=2.1(4)x=5(5)x=2(6)x=17(7)x=7(8)x=7(9)x=9(10)x=9(11)x=2(12)x=2(13)x=1.9(14)x=11(15)x=16(16)x=4(17)x=13(18)x=1.2(19)x=1.2(20)x=3(21)x=22(22)x=31(23)x=3(24)x=5(25)x=0.7(26)x=17(27)x=2.4(28)x=97(29)x=9(30)x=4(31)x=2(32)x=3(33)x=17(34)x=18(35)x=15(36)x=12(37)x=9(38)x=6(39)x=11(40)x=17(41)x=60(42)x=7(43)x=4.1(44)x=24(45)x=4(46)x=23(47)x=10(48)x=97(49)x=11(50)x=2(51)x=2(52)x=10(53)x=90(54)x=0.8(55)x=6(56)x=10(57)x=32(58)x=2(59)x=6(60)x=1.5(61)x=0.2(62)x=2(63)x=4.6(64)x=1.2(65)x=19(66)x=13(67)x=31(68)x=11(69)x=99(70)x=0.3(71)x=28(72)x=1.9(73)x=7(74)x=42(75)x=27(76)x=6(77)x=2(78)x=80(79)x=2(80)x=12(81)x=15(82)x=0.2(83)x=0.3(84)x=13.2(85)x=2(86)x=8(87)x=56(88)x=5(89)x=4.9(90)x=2(91)x=5(92)x=69(93)x=4(94)x=55(95)x=1.9(96)x=0.8(97)x=3(98)x=1.2(99)x=1.6(100)x=7(101)x=59(102)x=7(103)x=5(104)x=6(105)x=0.2(106)x=35(107)x=3(108)x=21(109)x=78(110)x=2(111)x=39(112)x=14(113)x=3(114)x=3.4(115)x=10(116)x=2(117)x=2(118)x=0.5(119)x=6.7(120)x=1.1(121)x=0.2(122)x=7(123)x=11(124)x=5(125)x=2(126)x=5(127)x=17.4(128)x=2(129)x=25(130)x=9(131)x=5(132)x=5(133)x=0.4(134)x=27(135)x=92(136)x=6(137)x=80(138)x=15(139)x=2.1(140)x=0.2(141)x=20(142)x=64(143)x=9(144)x=1(145)x=3(146)x=23(147)x=4(148)x=12(149)x=7(150)x=86(151)x=23(152)x=6(153)x=7(154)x=13(155)x=4(156)x=8(157)x=0.2(158)x=0.4(159)x=0.6(160)x=31(161)x=0.6(162)x=13(163)x=6(164)x=5.9(165)x=0.6(166)x=23(167)x=0.9(168)x=6.4(169)x=12(170)x=26(171)x=6(172)x=1.4(173)x=4(174)x=21(175)x=1.8(176)x=0.7(177)x=1(178)x=1.7(179)x=15(180)x=168(181)x=49(182)x=7.4(183)x=3.9(184)x=88(185)x=5(186)x=3(187)x=8(188)x=3(189)x=29(190)x=5.4(191)x=0.2(192)x=99(193)x=7(194)x=0.2(195)x=0.2(196)x=16(197)x=3.2(198)x=45(199)x=44(200)x=7(201)x=40(202)x=14(203)x=76(204)x=2(205)x=9(206)x=18(207)x=23(208)x=5(209)x=6(210)x=4(211)x=3(212)x=21(213)x=17(214)x=10(215)x=6(216)x=89(217)x=2(218)x=2.4(219)x=0.8(220)x=2.6(221)x=24(222)x=87(223)x=0.3(224)x=4(225)x=3(226)x=1.5(227)x=84(228)x=9(229)x=23(230)x=0.7(231)x=7(232)x=72(233)x=13(234)x=0.9(235)x=47(236)x=1.4(237)x=6(238)x=0.9(239)x=90(240)x=3(241)x=4(242)x=0.7(243)x=30(244)x=3(245)x=2.1(246)x=3(247)x=29(248)x=0.9(249)x=13(250)x=16(251)x=2(252)x=11(253)x=2(254)x=44(255)x=10(256)x=9(257)x=14(258)x=2(259)x=10(260)x=9.4(261)x=4(262)x=0.8(263)x=23(264)x=29(265)x=84(266)x=0.3(267)x=7(268)x=12(269)x=4(270)x=12(271)x=94(272)x=0.2(273)x=20(274)x=45(275)x=2(276)x=17(277)x=3(278)x=0.7(279)x=10(280)x=0.6(281)x=3(282)x=48(283)x=33(284)x=91(285)x=11(286)x=5(287)x=94(288)x=8.3(289)x=22(290)x=19(291)x=98(292)x=0.2(293)x=9(294)x=3(295)x=19(296)x=2(297)x=4(298)x=1.1(299)x=18(300)x=30(301)x=18(302)x=6(303)x=2.1(304)x=16(305)x=17(306)x=4.3(307)x=3(308)x=14.4(309)x=34(310)x=0.9(311)x=3.6(312)x=3(313)x=62(314)x=83(315)x=25(316)x=5(317)x=4(318)x=0.8(319)x=5(320)x=1.9(321)x=0.5(322)x=5(323)x=7(324)x=10(325)x=4.6(326)x=1.3(327)x=22(328)x=10(329)x=8.3(330)x=0.3(331)x=8.9(332)x=6(333)x=9.3(334)x=19(335)x=8.2(336)x=9(337)x=7(338)x=0.2(339)x=2.4(340)x=21(341)x=16(342)x=5(343)x=13(344)x=5(345)x=7(346)x=2(347)x=0.7(348)x=0.2(349)x=36(350)x=29(351)x=3(352)x=17.6(353)x=16(354)x=168(355)x=8(356)x=6(357)x=65(358)x=9(359)x=0.5(360)x=12(361)x=9(362)x=1(363)x=14(364)x=3(365)x=2(366)x=3.9(367)x=14(368)x=4(369)x=2.6(370)x=3(371)x=15(372)x=28(373)x=8(374)x=25(375)x=85(376)x=29(377)x=1.1(378)x=4.3(379)x=1(380)x=5(381)x=4(382)x=2(383)x=16.8(384)x=38(385)x=6(386)x=0.5(387)x=33(388)x=5(389)x=7(390)x=9(391)x=1(392)x=16(393)x=1.2(394)x=0.