五年级数学(方程)习题及答案.docx
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五年级数学(方程)习题及答案.docx
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五年级数学(方程)习题及答案
(1)x+95=160
(2)x+23=50
(3)x+77=172
(4)x+15=55
(5)x+74=160
(6)x+38=75
(7)x+58=138
(8)x+10=14
(9)x+86=160
(10)x-9=21
(11)x-5=81
(12)x-29=12
(13)x-39=44
(14)x-26=14
(15)x-40=26
(16)x-12=32
(17)x-12=73
(18)x-19=72
(19)x+5.4=8.3
(20)x+7.9=12.4
(21)x+7.1=9.2
(22)x+6.5=12.7
(23)x+0.7=1.6
(24)x+8.2=14.1
(25)x+4.1=4.8
(26)x+3.7=5.4
(27)x+3.1=11.6
(28)x-1.2=6.3
(29)x-2.1=1
(30)x-5.8=3.6
(31)x-1=5
(32)x-7.9=1.8
(33)x-1.1=5.9
(34)x-1.5=7.7
(35)x-4.1=3.6
(36)x-1.8=6.3
(37)73+x=81
(38)76+x=84
(39)61+x=159
(40)55+x=121
(41)68+x=138
(42)13+x=71
(43)33+x=48
(44)42+x=77
(45)85+x=162
(46)82-x=34
(47)86-x=18
(48)98-x=75
(49)66-x=15
(50)62-x=18
(51)70-x=46
(52)68-x=64
(53)82-x=64
(54)72-x=22
(55)2.2+x=5.1
(56)3.6+x=9.1
(57)2.4+x=3.4
(58)5+x=10.6
(59)4.4+x=8.2
(60)9.6+x=16.3
(61)1.6+x=2.8
(62)3.2+x=7.4
(63)4.5+x=6.4
(64)5.1-x=3
(65)5.4-x=3.5
(66)4.9-x=3.9
(67)7.7-x=7.4
(68)5.9-x=1.8
(69)7.7-x=5.8
(70)7.7-x=5.9
(71)6.7-x=5.7
(72)7.2-x=3.8
(73)24x=96
(74)15x=150
(75)3x=66
(76)9x=135
(77)2x=84
(78)15x=75
(79)6x=84
(80)71x=142
(81)4x=140
(82)2.2x=17.6
(83)2.5x=12.5
(84)0.3x=8.7
(85)4x=20
(86)0.5x=3
(87)5.2x=10.4
(88)1.4x=8.4
(89)0.6x=16.8
(90)9.6x=19.2
(91)6x=7.2
(92)18x=5.4
(93)32x=16
(94)3x=8.4
(95)7x=1.4
(96)4x=2
(97)48x=9.6
(98)2x=9.6
(99)2x=3
(100)172÷x=4
(101)99÷x=11
(102)105÷x=21
(103)142÷x=2
(104)154÷x=14
(105)64÷x=32
(106)99÷x=33
(107)92÷x=46
(108)42÷x=14
(109)18÷x=1.5
(110)11.5÷x=0.5
(111)11.7÷x=0.9
(112)10÷x=0.2
(113)16.5÷x=0.5
(114)9.4÷x=4.7
(115)4÷x=2
(116)15.3÷x=1.7
(117)11.4÷x=0.6
(118)x÷8=20
(119)x÷17=4
(120)x÷54=2
(121)x÷9=11
(122)x÷43=3
(123)x÷62=2
(124)x÷33=3
(125)x÷2=3
(126)x÷7=10
(127)x÷5=2.3
(128)x÷82=0.2
(129)x÷9=1.1
(130)x÷2=0.7
(131)x÷15=0.6
(132)x÷3=4.1
(133)x÷7=0.8
(134)x÷46=0.2
(135)x÷9=1.7
(136)8x+24=224
(137)94x+53=241
(138)68x+16=152
(139)77x+10=164
(140)3x+39=186
(141)48x+18=114
(142)5x+55=80
(143)3x+29=134
(144)2x+26=80
(145)64x-29=99
(146)5x-41=114
(147)7x-52=88
(148)31x-47=15
(149)5x-43=82
(150)31x-14=79
(151)2x-36=122
(152)9x-45=153
(153)6x-58=134
(154)12x+5=21.8
(155)4x+2.3=14.3
(156)2x+1.8=15.8
(157)5x+3.8=11.3
(158)21x+4.3=8.5
(159)2x+5.1=18.3
(160)28x+4.9=21.7
(161)22x+5.6=21
(162)4x+4.6=15.4
(163)0.7x+4.2=15.4
(164)0.2x+1.9=20.7
(165)0.9x+1=7.3
(166)0.2x+5.8=13.8
(167)0.8x+4=15.2
(168)2.4x+2.5=21.7
(169)1x+3.6=19.6
(170)0.2x+5.3=9.3
(171)1x+1.9=17.9
(172)6x-3.4=1.4
(173)6x-2.7=12.3
(174)2x-2.4=15.2
(175)12x-2.4=8.4
(176)11x-2=9
(177)3x-1.8=1.5
(178)5x-2.8=3.2
(179)21x-2.3=12.4
(180)58x-4.8=12.6
(181)0.2x-1=2
(182)1x-1.5=11.5
(183)0.3x-1.6=16.4
(184)2.3x-2.6=2
(185)0.2x-5.2=8.6
(186)3.6x-3.1=14.9
(187)0.7x-1.8=2.4
(188)1.1x-1.5=18.3
(189)2.6x-4=3.8
(190)186+17x=339
(191)73+26x=177
(192)14+25x=64
(193)125+3x=314
(194)61+5x=101
(195)123+25x=323
(196)189+2x=285
(197)140+48x=284
(198)180+2x=372
(199)155-3x=65
(200)182-4x=74
(201)158-4x=114
(202)178-3x=169
(203)168-3x=24
(204)169-10x=49
(205)94-6x=22
(206)178-5x=43
(207)198-5x=73
(208)17.5+0.3x=29.8
(209)14+0.6x=21.8
(210)1.1+0.2x=14.1
(211)7.6+5.5x=18.6
(212)2.7+0.3x=6
(213)18.2+1.2x=23
(214)4.6+1.3x=8.5
(215)11.5+1.4x=19.9
(216)10.3+0.2x=16.7
(217)5+2x=15.8
(218)11.3+37x=26.1
(219)19.1+61x=31.3
(220)3.6+94x=22.4
(221)18.4+50x=33.4
(222)6.2+2x=10.4
(223)13.8+42x=30.6
(224)14.1+2x=18.7
(225)2.9+50x=12.9
(226)16.3-0.4x=8.3
(227)14.6-1.2x=5
(228)16.9-0.9x=5.2
(229)18.2-0.2x=10.2
(230)14.6-3.3x=8
(231)17.1-0.3x=13.8
(232)3.1-0.6x=1.9
(233)13.8-0.5x=3.3
(234)19.2-1.8x=4.8
(235)7.4-20x=1.4
(236)16.6-6x=15.4
(237)9.2-7x=5.7
(238)12.2-9x=9.5
(239)7.1-3x=1.7
(240)13.4-2x=11
(241)19.6-2x=15.8
(242)8-2x=2.4
(243)9-4x=5
(244)20x÷12=15
(245)2x÷6=23
(246)42x÷21=8
(247)24x÷8=18
(248)70x÷4=35
(249)22x÷11=18
(250)10x÷40=4
(251)12x÷56=3
(252)72x÷16=9
(253)0.6x÷30=0.2
(254)1.5x÷75=0.2
(255)0.6x÷32=0.3
(256)3.1x÷62=0.2
(257)4.2x÷63=0.2
(258)0.7x÷42=0.2
(259)0.4x÷2=2
(260)0.9x÷60=0.3
(261)0.2x÷4=0.9
(262)30x÷4=1.5
(263)28x÷21=0.8
(264)52x÷13=1.2
(265)3x÷99=0.2
(266)15x÷2=4.5
(267)6x÷12=1.5
(268)58x÷4=2.9
(269)26x÷4=1.3
(270)3x÷36=0.5
(271)19x+15x=68
(272)15x+14x=116
(273)2x+6x=88
(274)7x+6x=364
(275)19x+14x=231
(276)13x+6x=76
(277)9x+8x=306
(278)19x+6x=100
(279)13x+10x=161
(280)12x-6x=84
(281)13x-5x=112
(282)7x-5x=44
(283)17x-3x=126
(284)15x-8x=70
(285)12x-6x=96
(286)18x-8x=70
(287)6x-2x=48
(288)5x-3x=28
(289)9.1x+9.9x=76
(290)4.9x+0.8x=85.5
(291)8.7x+2.2x=32.7
(292)1.3x+1.6x=78.3
(293)3x+0.5x=115.5
(294)5.3x+7x=110.7
(295)2.8x+0.9x=125.8
(296)0.9x+7.2x=40.5
(297)3.5x+4.3x=179.4
(298)8.8x-4.2x=46
(299)5.2x-4.8x=2
(300)4.7x-3.8x=16.2
(301)5x-3.1x=20.9
(302)5x-1.8x=16
(303)6x-1.6x=44
(304)9.2x-3.9x=26.5
(305)3.6x-0.2x=61.2
(306)1.2x-0.3x=9
(307)3x+5x+40=256
(308)5x+2x+11=144
(309)6x+14x+28=248
(310)17x+10x+25=160
(311)4x+18x+4=48
(312)5x+8x+23=49
(313)14x+3x+33=220
(314)3x+8x+38=291
(315)10x+12x+13=145
(316)13x+11x-41=295
(317)17x+9x-38=118
(318)10x+4x-3=221
(319)5x+8x-42=218
(320)2x+3x-19=46
(321)17x+19x-48=96
(322)2x+11x-38=144
(323)11x+10x-17=298
(324)16x+17x-34=131
(325)16x-4x+17=113
(326)6x-2x+10=130
(327)10x-2x+28=84
(328)6x-3x+28=64
(329)16x-7x+37=91
(330)19x-13x+30=42
(331)6x-4x+5=45
(332)16x-6x+3=23
(333)14x-8x+44=68
(334)15x-11x-11=13
(335)9x-4x-6=59
(336)13x-8x-16=59
(337)14x-5x-22=14
(338)12x-3x-29=88
(339)8x-3x-30=30
(340)13x-4x-25=65
(341)10x-8x-7=17
(342)13x-5x-7=73
(343)2.7x+1.1x+0.9=38.9
(344)2x+1.1x+1.2=125.2
(345)1.2x+0.3x+3.4=118.9
(346)1x+5.6x+1.7=61.1
(347)7.1x+8.4x+4.8=175.3
(348)0.2x+1.1x+2.1=38.5
(349)0.2x+2.1x+0.9=79.1
(350)3.2x+1.4x+3.7=26.7
(351)2x+0.2x+1.9=34.9
(352)38x+79x+1.3=94.9
(353)28x+21x+1.2=143.3
(354)97x+38x+1.4=95.9
(355)23x+22x+1.5=24
(356)35x+40x+4.2=191.7
(357)7x+68x+1=106
(358)61x+31x+4.7=115.1
(359)84x+40x+1.9=39.1
(360)98x+26x+3.9=103.1
(361)0.3x+2.2x-1=64
(362)9.1x+0.2x-2.1=35.1
(363)3.2x+6.9x-4=66.7
(364)7.9x+6.2x-3.1=152
(365)3x+1.7x-2=82.6
(366)6.3x+6.9x-2.6=155.8
(367)3.7x+0.7x-3.9=44.5
(368)7.4x+8.9x-1.7=161.3
(369)0.9x+1.2x-4.4=50.2
(370)6x+4x-3.3=87.7
(371)98x+44x-0.7=27.7
(372)56x+31x-3=136.2
(373)78x+49x-0.6=24.8
(374)53x+37x-1.2=25.8
(375)31x+22x-3.2=129.3
(376)8x+34x-4.8=45.6
(377)27x+94x-3.3=81.4
(378)89x+17x-2.6=18.6
(379)9x-3.1x+4.5=45.8
(380)6.9x-6.4x+2.4=8.4
(381)2.7x-1.5x+3.3=22.5
(382)1.9x-1.6x+2.1=12
(383)7.4x-6.5x+1.1=5.6
(384)1.1x-0.6x+1.1=12.6
(385)8.2x-1.8x+3=22.2
(386)4.4x-3.7x+4.1=8.3
(387)5.9x-5.1x+4.2=11.4
(388)99x-30x+3.2=37.7
(389)84x-77x+1.1=2.5
(390)78x-35x+1=18.2
(391)86x-70x+1.7=8.1
(392)65x-37x+4.6=32.6
(393)57x-49x+0.7=10.3
(394)22x-19x+1.8=4.2
(395)32x-25x+3.5=16.1
(396)9x-7x+4=21.2
(397)9.7x-8.2x-3.3=8.7
(398)3.7x-1.7x-1.2=4.8
(399)6.3x-3x-4.5=41.7
(400)5.9x-2x-2.5=28.7
(401)2.1x-1.6x-1.7=6.8
(402)9.3x-0.6x-2.6=67
(403)5.9x-1.2x-2=68.5
(404)5.4x-3.5x-2.5=31.7
(405)1.1x-0.7x-1.8=21
(406)86x-76x-2=2
(407)43x-6x-3.4=4
(408)98x-35x-2=29.5
(409)61x-10x-2=13.3
(410)97x-71x-2.1=5.7
(411)38x-22x-0.2=20.6
(412)70x-49x-1.9=27.5
(413)44x-22x-1.6=18.2
(414)95x-14x-0.8=72.1
(415)17x+26×2=222
(416)7x+6×28=182
(417)26x+10×3=134
(418)6x+47×4=344
(419)2x+15×8=190
(420)2x+79×2=166
(421)3x+32×2=154
(422)3x+38×5=388
(423)25x+30×2=110
(424)10x-14×6=26
(425)18x-20×2=140
(426)14x-4×13=130
(427)5x-13×2=79
(428)2x-2×33=130
(429)11x-3×14=68
(430)2x-5×11=125
(431)7x-9×2=73
(432)2x-3×33=23
(433)1.7x+2.9×4=16.7
(434)0.2x+2.6×7=27.6
(435)1.1x+3.5×4=29.4
(436)0.8x+1.2×5=10.8
(437)1.4x+0.4×38=30.6
(438)0.7x+1.1×14=35
(439)1.4x+2.2×4=14.4
(440)2.3x+2.9×4=16.2
(441)0.8x+0.2×3=17.4
(442)2x+5×3.3=17.1
(443)9x+4×3.6=31.5
(444)31x+11×1.8=35.3
(445)19x+42×0.2=23.6
(446)8x+4×0.6=6.4
(447)40x+2×3.6=27.2
(448)12x+4×0.8=21.2
(449)13x+18×0.8=23.5
(450)21x+17×0.5=12.7
(451)0.6x-0.4×10=7.4
(452)3.1x-0.5×7=12
(453)0.4x-4.4×2=8
(454)0.4x-0.3×22=13
(455)0.2x-0.5×3=4.5
(456)1.2x-2.9×2=5
(457)4x-0.4×3=18.8
(458)1.2x-0.4×27=8.4
(459)2.7x-0.2×44=10.1
(460)36x-2×1.1=15.8
(461)12x-6×0.2=15.6
(462)49x-8×0.3=7.4
(463)6x-8×0.3=7.2
(464)35x-2×3.2=4.1
(465)2x-10×0.2=1.8
(466)24x-4×3.2=4
(467)2x-2×2.2=1
(468)2x-7×0.5=3.5
(469)8(4x+9)=136
(470)2(12x+34)=188
(471)5(x+5)=120
(472)2(2x+44)=152
(473)2(22x+23)=134
(474)4(2x+5)=196
(475)2(x+7)=18
(476)15(x+6)=120
(477)2(5x+32)=104
(478)2(17x-7)=156
(479)11(2x-32)=132
(480)9(2x-16)=90
(481)6(2x-41)=198
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