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+82=98
(2)x+71=153
(3)x+43=87
(4)x+70=97
(5)x+89=150
(6)x+55=58
(7)x+56=139
(8)x+56=113
(9)x+94=136
(10)x-28=54
(11)x-34=23
(12)x-27=32
(13)x-33=39
(14)x-82=11
(15)x-2=88
(16)x-15=43
(17)x-45=27
(18)x-44=48
(19)x+0.9=9.4
(20)x+0.4=8.5
(21)x+8=10
(22)x+5=6.9
(23)x+0.7=8.5
(24)x+0.2=4.7
(25)x+1.7=4.1
(26)x+7.8=17.3
(27)x+6.8=15.9
(28)x-2.4=5.2
(29)x-6.9=1.6
(30)x-5.6=2.9
(31)x-1.8=5.6
(32)x-1.4=7.4
(33)x-0.4=5.5
(34)x-1.3=6.7
(35)x-4.3=1.9
(36)x-0.7=9.1
(37)54+x=95
(38)84+x=113
(39)90+x=146
(40)78+x=109
(41)65+x=136
(42)28+x=66
(43)24+x=44
(44)27+x=108
(45)4+x=73
(46)80-x=41
(47)82-x=29
(48)86-x=54
(49)79-x=70
(50)46-x=22
(51)92-x=10
(52)60-x=27
(53)82-x=74
(54)85-x=21
(55)1.3+x=5.6
(56)8.2+x=10.1
(57)6.7+x=7.8
(58)6.8+x=16.1
(59)7.4+x=9.4
(60)8.1+x=17.3
(61)7.8+x=11
(62)7.3+x=14.5
(63)2.5+x=10.7
(64)2.9-x=2.4
(65)9.4-x=1.5
(66)9.2-x=5.1
(67)6.3-x=1
(68)6.2-x=1.1
(69)6.2-x=2.1
(70)9-x=2
(71)6.1-x=1.9
(72)9.7-x=3.1
(73)91x=182
(74)12x=36
(75)26x=104
(76)14x=182
(77)12x=156
(78)25x=75
(79)4x=32
(80)15x=150
(81)21x=105
(82)1.5x=18
(83)3.3x=13.2
(84)1.3x=10.4
(85)0.6x=15
(86)0.2x=3.2
(87)0.9x=13.5
(88)1.5x=12
(89)2x=14
(90)6x=12
(91)2x=11.6
(92)10x=9
(93)12x=8.4
(94)9x=17.1
(95)50x=20
(96)2x=12.2
(97)4x=16.8
(98)40x=12
(99)6x=8.4
(100)140÷x=7
(101)87÷x=29
(102)50÷x=5
(103)108÷x=2
(104)162÷x=18
(105)82÷x=41
(106)102÷x=3
(107)174÷x=3
(108)198÷x=33
(109)8.4÷x=1.4
(110)17.1÷x=1.9
(111)18.4÷x=0.8
(112)8÷x=0.4
(113)18.4÷x=0.2
(114)12.3÷x=4.1
(115)9÷x=0.3
(116)4.2÷x=0.7
(117)16.1÷x=0.7
(118)x÷45=3
(119)x÷3=12
(120)x÷12=12
(121)x÷21=7
(122)x÷2=5
(123)x÷22=7
(124)x÷16=6
(125)x÷25=4
(126)x÷14=2
(127)x÷6=0.9
(128)x÷13=0.7
(129)x÷9=0.3
(130)x÷9=0.4
(131)x÷4=2.3
(132)x÷19=0.5
(133)x÷9=0.2
(134)x÷44=0.2
(135)x÷2=2.1
(136)5x+59=134
(137)27x+45=207
(138)5x+31=211
(139)3x+40=70
(140)13x+36=127
(141)3x+56=92
(142)23x+12=127
(143)48x+31=223
(144)4x+14=82
(145)6x-14=100
(146)8x-55=89
(147)8x-26=110
(148)19x-51=63
(149)93x-11=175
(150)22x-36=118
(151)18x-18=180
(152)3x-23=151
(153)13x-26=130
(154)2x+1=20
(155)2x+3=15
(156)14x+5.5=19.5
(157)4x+3.2=16.8
(158)83x+1.8=18.4
(159)5x+5.9=8.9
(160)86x+2.7=19.9
(161)15x+5.6=16.1
(162)3x+4.8=18
(163)4.4x+4.6=13.4
(164)0.2x+1.2=19.8
(165)5.7x+3.9=15.3
(166)1x+5.6=10.6
(167)8.7x+2.3=19.7
(168)1.3x+2.1=9.9
(169)0.7x+4.4=17
(170)2.4x+3.9=20.7
(171)0.2x+3.9=20.9
(172)60x-4.7=13.3
(173)6x-2.7=6.9
(174)10x-4=4
(175)7x-3.7=8.9
(176)3x-1=5.9
(177)22x-5.5=1.1
(178)3x-1.6=6.5
(179)3x-4.3=11.6
(180)89x-3.9=13.9
(181)1x-2.3=12.7
(182)0.5x-3.9=1.6
(183)1x-4.1=3.9
(184)1.2x-1.4=16.6
(185)2.7x-2.4=11.1
(186)1.4x-4.4=11
(187)1.4x-5.2=1.8
(188)5.1x-1.3=14
(189)3.8x-1.8=13.4
(190)151+3x=265
(191)48+35x=118
(192)44+2x=234
(193)90+26x=168
(194)124+2x=206
(195)86+5x=271
(196)101+7x=115
(197)27+56x=139
(198)52+8x=164
(199)171-3x=54
(200)142-4x=106
(201)140-4x=84
(202)198-16x=134
(203)179-9x=89
(204)159-3x=72
(205)190-30x=10
(206)164-28x=80
(207)48-7x=27
(208)5.5+8.1x=21.7
(209)13.9+1x=31.9
(210)7.3+0.4x=18.1
(211)1.6+1.6x=4.8
(212)12.3+1.8x=24.9
(213)9.4+1.6x=12.6
(214)9.6+1.9x=13.4
(215)3.8+0.2x=8.6
(216)16.2+0.5x=25.7
(217)18.4+3x=28.3
(218)9.5+3x=24.8
(219)2.5+3x=12.7
(220)19.1+10x=21.1
(221)12.5+19x=22
(222)18.5+78x=34.1
(223)15.4+45x=28.9
(224)19.5+18x=28.5
(225)15.1+3x=26.2
(226)18.6-2.3x=9.4
(227)12.1-0.2x=11.5
(228)7.1-0.2x=4.9
(229)12.7-0.5x=7.7
(230)11-0.2x=5.6
(231)16-0.2x=6.2
(232)17.2-0.3x=4.3
(233)18.5-0.3x=5.3
(234)16.4-0.2x=11.2
(235)17.7-2x=15.9
(236)10.5-2x=2.7
(237)10.9-21x=2.5
(238)19.7-11x=2.1
(239)16.7-6x=14.9
(240)18.8-32x=6
(241)14.4-19x=3
(242)12-2x=6.4
(243)19.5-13x=11.7
(244)7x÷21=3
(245)6x÷4=33
(246)14x÷16=7
(247)66x÷33=4
(248)6x÷9=8
(249)4x÷12=3
(250)77x÷7=22
(251)3x÷4=21
(252)91x÷13=14
(253)1.4x÷4=0.7
(254)2.8x÷21=0.4
(255)4x÷10=2
(256)0.2x÷32=0.6
(257)8.8x÷22=0.8
(258)9.9x÷66=0.3
(259)0.4x÷7=1.2
(260)0.2x÷11=0.8
(261)1x÷4=4
(262)4x÷56=0.2
(263)6x÷18=1
(264)2x÷5=1.4
(265)14x÷3=4.2
(266)35x÷7=2
(267)4x÷8=0.6
(268)12x÷33=0.4
(269)45x÷10=1.8
(270)9x÷3=3.6
(271)8x+15x=276
(272)6x+9x=285
(273)10x+7x=221
(274)6x+12x=54
(275)17x+16x=264
(276)2x+14x=208
(277)6x+10x=192
(278)11x+4x=225
(279)5x+3x=160
(280)17x-13x=40
(281)10x-5x=35
(282)5x-2x=42
(283)5x-2x=102
(284)9x-4x=50
(285)17x-4x=91
(286)16x-4x=120
(287)12x-8x=12
(288)19x-10x=72
(289)0.7x+2.7x=125.8
(290)6.6x+8.9x=124
(291)4.9x+8.3x=26.4
(292)4.3x+7.9x=61
(293)1.7x+4.5x=37.2
(294)4.9x+3x=150.1
(295)4.3x+0.5x=19.2
(296)0.4x+2.6x=87
(297)3.2x+5x=164
(298)9.2x-4.7x=36
(299)7.6x-1x=72.6
(300)5.5x-3.5x=26
(301)9.3x-8.1x=4.8
(302)4.2x-1.7x=50
(303)6.2x-1.8x=22
(304)9.5x-5.9x=7.2
(305)1.2x-0.9x=15.9
(306)4.4x-0.5x=54.6
(307)6x+4x+15=165
(308)7x+2x+16=214
(309)9x+4x+47=138
(310)16x+12x+42=294
(311)10x+12x+12=342
(312)7x+11x+32=194
(313)10x+9x+27=160
(314)4x+13x+19=138
(315)3x+8x+19=85
(316)4x+8x-4=176
(317)3x+11x-33=191
(318)10x+16x-2=310
(319)6x+16x-27=215
(320)11x+3x-30=96
(321)11x+18x-15=159
(322)10x+8x-25=173
(323)9x+4x-21=122
(324)10x+7x-18=305
(325)17x-4x+38=142
(326)9x-4x+36=91
(327)16x-5x+30=162
(328)12x-2x+38=188
(329)15x-11x+25=57
(330)16x-12x+43=71
(331)14x-10x+13=65
(332)11x-4x+42=63
(333)6x-2x+11=27
(334)16x-8x-23=57
(335)10x-4x-30=18
(336)6x-3x-33=45
(337)13x-7x-2=52
(338)17x-9x-5=43
(339)9x-3x-26=70
(340)9x-4x-44=36
(341)12x-10x-4=12
(342)17x-6x-6=16
(343)1x+1.9x+1.9=91.8
(344)4.9x+2.6x+0.4=52.9
(345)1.5x+0.9x+4=92.8
(346)8.2x+9.3x+0.9=105.9
(347)4x+0.5x+2.6=52.1
(348)9.8x+7.4x+3.4=175.4
(349)2.1x+8x+2.2=42.6
(350)1.2x+1.9x+3.2=93.1
(351)0.4x+4.9x+3.4=45.8
(352)2x+23x+2.9=102.9
(353)60x+83x+2.6=31.2
(354)21x+94x+4.6=39.1
(355)36x+2x+0.5=95.5
(356)53x+49x+1=174.4
(357)12x+14x+4.6=61.8
(358)74x+54x+4.4=42.8
(359)27x+78x+4.7=57.2
(360)84x+48x+3.3=135.3
(361)6.5x+5.5x-2.3=45.7
(362)2.5x+0.6x-1=5.2
(363)8.4x+6.8x-4.1=102.3
(364)3.4x+3.7x-3.1=146
(365)7.1x+6.8x-4.8=64.7
(366)9.5x+8.3x-3.2=32.4
(367)7.8x+8.6x-4=143.6
(368)0.2x+5.6x-1.2=80
(369)1.5x+1.2x-0.3=7.8
(370)48x+14x-2.5=78.1
(371)76x+49x-4.7=70.3
(372)65x+36x-1.6=28.7
(373)22x+34x-4.7=84.9
(374)42x+33x-4=131
(375)70x+69x-3.5=24.3
(376)45x+64x-1.8=129
(377)60x+27x-3.2=31.6
(378)24x+31x-0.2=164.8
(379)6.2x-2.1x+2.9=64.4
(380)1.5x-0.4x+1.9=28.3
(381)8.8x-5.8x+1.3=10.3
(382)8.3x-4.1x+4.7=50.9
(383)5.4x-0.5x+1.2=79.6
(384)9.5x-5.3x+3.1=28.3
(385)4.7x-2.1x+3.3=18.9
(386)9.6x-0.6x+3.7=21.7
(387)6.4x-4.3x+4.7=27.8
(388)99x-57x+2=23
(389)97x-75x+2.8=18.2
(390)75x-64x+3.6=16.8
(391)80x-40x+2.7=38.7
(392)30x-17x+3.9=44.2
(393)25x-20x+0.6=2.1
(394)99x-80x+4.8=8.6
(395)73x-62x+1=12
(396)34x-2x+1.7=94.5
(397)5.4x-0.6x-1.7=60.7
(398)1.9x-0.8x-3.3=16.5
(399)0.9x-0.4x-3=34
(400)7.6x-5.1x-3.2=24.3
(401)4.2x-1x-3.3=38.3
(402)8.4x-5.1x-2.1=11.1
(403)9x-0.8x-2.1=55.3
(404)3x-2.5x-0.7=8.8
(405)7.1x-0.7x-4.3=46.9
(406)18x-8x-4.9=29.1
(407)36x-25x-2.2=2.2
(408)62x-20x-0.5=54.1
(409)64x-22x-1.1=53.5
(410)57x-2x-1.5=42.5
(411)11x-9x-4.3=11.9
(412)34x-19x-0.7=6.8
(413)76x-29x-1.2=59.9
(414)27x-3x-3=47.4
(415)5x+52×2=239
(416)3x+4×2=38
(417)9x+14×6=174
(418)13x+32×6=374
(419)8x+38×4=208
(420)3x+45×4=333
(421)2x+19×4=246
(422)3x+78×2=294
(423)2x+2×37=200
(424)4x-19×7=23
(425)11x-6×8=18
(426)4x-23×2=126
(427)24x-11×6=78
(428)2x-3×14=16
(429)3x-11×9=84
(430)3x-9×15=57
(431)2x-7×5=147
(432)2x-4×29=44
(433)2.1x+2×2=16.6
(434)1.6x+0.5×12=20.4
(435)4.1x+3×3=17.2
(436)0.2x+1.4×2=10.2
(437)2.4x+4.1×3=17.1
(438)2x+0.8×7=11.6
(439)0.2x+0.5×34=20
(440)0.7x+3.2×2=23.9
(441)0.2x+2×3=15.2
(442)26x+3×3.9=27.3
(443)5x+45×0.4=32
(444)2x+4×1.2=6.8
(445)2x+3×2.4=15.6
(446)28x+36×0.3=16.4
(447)16x+43×0.2=23
(448)19x+47×0.2=26.5
(449)13x+38×0.3=24.4
(450)17x+2×0.6=19.9
(451)1x-0.2×20=11
(452)0.7x-0.3×26=6.9
(453)1.6x-0.4×5=1.2
(454)0.6x-0.8×12=6
(455)0.4x-1.5×5=1.3
(456)4.7x-0.2×4=13.3
(457)0.7x-1.1×6=7.4
(458)0.4x-1.6×3=11.6
(459)1.6x-0.2×15=3.4
(460)46x-10×0.8=5.8
(461)33x-5×0.7=16.3
(462)10x-4×1.2=12.2
(463)25x-2×4.9=5.2
(464)29x-6×0.7=13.2
(465)5x-15×0.4=9.5
(466)37x-2×2.8=9.2
(467)13x-40×0.4=2.2
(468)15x-6×0.5=1.5
(469)2(3x+4)=98
(470)2(3x+27)=120
(471)2(2x+3)=166
(472)2(x+30)=140
(473)3(4x+36)=156
(474)3(3x+37)=138
(475)3(2x+7)=159
(476)9(2x+16)=198
(477)4(12x+13)=148
(478)4(x-4)=48
(479)5(x-24)=50
(480)7(7x-47)=112
(48
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