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+50=99
(2)x+96=195
(3)x+50=76
(4)x+67=135
(5)x+78=164
(6)x+89=134
(7)x+52=59
(8)x+71=81
(9)x+21=105
(10)x-4=70
(11)x-46=50
(12)x-71=21
(13)x-49=28
(14)x-46=41
(15)x-68=28
(16)x-50=28
(17)x-32=41
(18)x-38=23
(19)x+4.6=7.6
(20)x+8.8=15.3
(21)x+6=9.3
(22)x+4.4=6
(23)x+9.8=16.6
(24)x+8.2=15.8
(25)x+1.2=2.1
(26)x+4.4=7.5
(27)x+9.5=14.3
(28)x-0.9=7.1
(29)x-1.3=4.6
(30)x-0.8=4.3
(31)x-4.5=4.8
(32)x-1.7=3.6
(33)x-1=1.7
(34)x-0.8=3.4
(35)x-4.3=1.2
(36)x-5.8=1.7
(37)3+x=5
(38)12+x=110
(39)40+x=124
(40)94+x=182
(41)82+x=178
(42)28+x=63
(43)28+x=125
(44)92+x=160
(45)88+x=163
(46)97-x=45
(47)96-x=43
(48)43-x=15
(49)95-x=12
(50)74-x=37
(51)72-x=61
(52)90-x=19
(53)70-x=22
(54)71-x=38
(55)7.2+x=14.2
(56)0.4+x=1.7
(57)1.2+x=10.7
(58)3.6+x=7.5
(59)8.7+x=9
(60)9+x=11.2
(61)5.5+x=7.4
(62)4.3+x=10.6
(63)4.3+x=11.6
(64)9.7-x=4.9
(65)7.5-x=3.8
(66)8.5-x=6.3
(67)9.9-x=3.7
(68)9-x=7.7
(69)8.4-x=1.3
(70)7.5-x=6
(71)5.9-x=5.6
(72)6.4-x=2.3
(73)21x=42
(74)7x=35
(75)4x=144
(76)6x=138
(77)4x=28
(78)18x=36
(79)30x=150
(80)6x=156
(81)4x=36
(82)1.5x=18
(83)1x=11
(84)7.3x=14.6
(85)0.6x=4.8
(86)1.3x=11.7
(87)0.2x=17.4
(88)0.5x=15.5
(89)3.4x=10.2
(90)4.3x=17.2
(91)25x=20
(92)36x=10.8
(93)2x=4.8
(94)2x=8.2
(95)32x=19.2
(96)20x=12
(97)3x=9.3
(98)2x=13.4
(99)26x=15.6
(100)50÷x=2
(101)34÷x=17
(102)88÷x=8
(103)144÷x=4
(104)180÷x=6
(105)185÷x=37
(106)120÷x=10
(107)40÷x=5
(108)55÷x=11
(109)13.2÷x=0.4
(110)2.7÷x=0.3
(111)3.6÷x=0.6
(112)6.6÷x=0.3
(113)8.6÷x=4.3
(114)15÷x=0.3
(115)9÷x=1.5
(116)9.2÷x=4.6
(117)17.1÷x=0.3
(118)x÷4=2
(119)x÷31=4
(120)x÷23=5
(121)x÷21=6
(122)x÷16=5
(123)x÷26=2
(124)x÷7=10
(125)x÷38=5
(126)x÷41=2
(127)x÷4=4
(128)x÷7=1.8
(129)x÷17=0.7
(130)x÷12=0.7
(131)x÷73=0.2
(132)x÷57=0.3
(133)x÷64=0.2
(134)x÷2=4
(135)x÷2=2
(136)57x+45=216
(137)33x+47=146
(138)12x+32=104
(139)4x+29=201
(140)30x+59=149
(141)28x+45=129
(142)4x+29=157
(143)47x+35=129
(144)2x+41=233
(145)22x-45=65
(146)6x-34=38
(147)60x-36=84
(148)2x-34=114
(149)65x-40=90
(150)4x-14=186
(151)61x-30=92
(152)2x-10=168
(153)6x-30=132
(154)6x+1.6=4.6
(155)63x+5.1=17.7
(156)2x+3.2=10.8
(157)10x+5.7=24.7
(158)3x+5.9=22.4
(159)3x+3.9=8.1
(160)30x+3.5=18.5
(161)5x+3.9=14.4
(162)27x+4.1=20.3
(163)0.9x+5.4=11.7
(164)3.4x+4.7=21.7
(165)0.3x+3.9=15
(166)3.5x+3.9=10.9
(167)0.3x+1.4=9.8
(168)0.4x+3.2=11.6
(169)2.4x+1.4=15.8
(170)0.7x+5.3=7.4
(171)7.6x+5.4=20.6
(172)20x-2.3=5.7
(173)82x-2=14.4
(174)2x-3.3=11.1
(175)4x-4.6=13
(176)28x-3.2=13.6
(177)2x-4.4=14
(178)2x-1.2=18.8
(179)48x-2.8=16.4
(180)89x-5.8=12
(181)0.4x-5.1=14.5
(182)2.4x-1.6=15.2
(183)3.7x-4.6=2.8
(184)2x-4.6=15.4
(185)2.6x-3.7=6.7
(186)1.8x-3.1=11.3
(187)0.5x-1.6=12.9
(188)1.6x-4.2=11.8
(189)0.4x-1.7=16.7
(190)94+21x=262
(191)100+2x=230
(192)16+34x=118
(193)42+6x=66
(194)38+56x=206
(195)173+24x=317
(196)52+27x=160
(197)183+21x=246
(198)89+10x=109
(199)171-3x=18
(200)149-7x=16
(201)127-4x=55
(202)188-12x=68
(203)154-44x=22
(204)65-18x=29
(205)120-4x=52
(206)192-6x=66
(207)187-85x=17
(208)19.1+0.7x=27.5
(209)14.8+0.3x=31
(210)9.2+1.8x=29
(211)9.7+0.4x=29.3
(212)12.3+0.6x=17.7
(213)11.8+0.9x=18.1
(214)13.9+1x=19.9
(215)13.1+3.8x=32.1
(216)7.3+6.8x=20.9
(217)11.5+12x=17.5
(218)12.1+6x=31.9
(219)12+30x=21
(220)5.4+28x=13.8
(221)3+3x=21.6
(222)11.5+32x=21.1
(223)6.1+10x=10.1
(224)8.2+4x=22.6
(225)4.9+31x=14.2
(226)19.4-0.2x=10.8
(227)16-0.2x=12.2
(228)13.1-1.1x=1
(229)11.6-0.3x=5
(230)13.8-1.2x=4.2
(231)19.3-0.9x=11.2
(232)13.6-0.7x=4.5
(233)16.3-2.9x=4.7
(234)14.4-1.1x=4.5
(235)7.3-6x=2.5
(236)18.2-19x=1.1
(237)13.7-62x=1.3
(238)17.1-3x=13.2
(239)16.9-13x=9.1
(240)8.9-6x=4.1
(241)9.9-2x=1.9
(242)16.6-8x=14.2
(243)17.7-55x=6.7
(244)56x÷14=8
(245)2x÷14=14
(246)12x÷36=2
(247)2x÷40=3
(248)93x÷62=3
(249)32x÷12=8
(250)8x÷34=4
(251)2x÷27=4
(252)21x÷15=7
(253)0.9x÷12=0.6
(254)0.2x÷16=0.5
(255)2.2x÷16=1.1
(256)4.4x÷8=2.2
(257)2.8x÷56=0.2
(258)1.2x÷4=1.5
(259)9.1x÷14=1.3
(260)0.2x÷18=0.9
(261)1.1x÷7=2.2
(262)33x÷66=0.3
(263)20x÷25=0.4
(264)84x÷42=0.4
(265)15x÷9=1
(266)27x÷9=1.5
(267)8x÷68=0.2
(268)49x÷21=0.7
(269)13x÷65=0.2
(270)5x÷11=1
(271)2x+7x=243
(272)3x+6x=36
(273)2x+4x=288
(274)13x+17x=210
(275)2x+4x=162
(276)5x+12x=221
(277)13x+16x=261
(278)5x+7x=96
(279)17x+11x=280
(280)17x-3x=112
(281)15x-9x=60
(282)13x-7x=90
(283)19x-9x=30
(284)8x-5x=69
(285)19x-3x=112
(286)19x-13x=12
(287)16x-14x=24
(288)15x-6x=99
(289)4.3x+4.4x=165.3
(290)2.8x+3.8x=52.8
(291)0.9x+5x=17.7
(292)1.7x+5.9x=53.2
(293)4.7x+7.3x=24
(294)2.7x+5.9x=60.2
(295)2x+5.3x=87.6
(296)9.4x+7.6x=68
(297)4.8x+0.9x=11.4
(298)5.3x-2.2x=15.5
(299)5.1x-1.3x=41.8
(300)1.2x-1x=13.6
(301)7.6x-7.3x=1.8
(302)6.8x-3.7x=12.4
(303)2.4x-2.2x=6.8
(304)4.9x-2.6x=13.8
(305)2.3x-0.7x=6.4
(306)2.8x-1.5x=13
(307)11x+16x+44=287
(308)3x+2x+13=68
(309)4x+3x+40=292
(310)4x+7x+21=329
(311)10x+3x+38=116
(312)8x+18x+15=301
(313)8x+14x+49=181
(314)12x+9x+4=130
(315)3x+6x+2=173
(316)9x+4x-17=256
(317)13x+5x-17=127
(318)13x+19x-9=215
(319)10x+2x-25=167
(320)3x+18x-36=132
(321)17x+12x-47=214
(322)8x+13x-19=170
(323)8x+6x-2=166
(324)2x+6x-20=44
(325)5x-3x+29=73
(326)8x-5x+49=112
(327)11x-9x+6=34
(328)13x-2x+2=167
(329)5x-3x+20=46
(330)7x-4x+28=112
(331)9x-4x+47=57
(332)15x-4x+43=164
(333)16x-7x+21=129
(334)16x-2x-41=127
(335)15x-5x-32=28
(336)14x-3x-44=77
(337)15x-11x-20=28
(338)13x-3x-3=107
(339)18x-7x-3=107
(340)14x-3x-36=30
(341)7x-3x-13=75
(342)18x-2x-48=64
(343)1.2x+0.8x+1.5=111.5
(344)1.1x+1.6x+1.3=85
(345)9x+8.3x+0.7=52.6
(346)0.2x+2.3x+2.4=34.9
(347)0.8x+2.9x+2.8=117.5
(348)3.1x+4.2x+3.5=98.4
(349)2.6x+5.6x+3.4=93.6
(350)4.6x+0.8x+1.7=34.1
(351)9.9x+0.8x+1=108
(352)58x+79x+1.6=29
(353)35x+54x+2.2=117.9
(354)20x+26x+1.2=116.2
(355)11x+91x+3.2=54.2
(356)22x+75x+0.4=19.8
(357)9x+69x+4.3=90.1
(358)32x+10x+1.2=93.6
(359)15x+16x+1=143.6
(360)16x+59x+3.1=70.6
(361)0.2x+1.2x-3.3=63.9
(362)1.2x+1.9x-3.5=49.2
(363)2x+4.6x-4.2=61.8
(364)2.1x+3.1x-2.4=23.6
(365)1.1x+4.3x-3.1=67.1
(366)0.8x+9.5x-4.3=36.9
(367)2.7x+0.7x-1.7=120.7
(368)2.8x+6.5x-3.6=33.6
(369)7.4x+8.1x-3.1=120.9
(370)9x+39x-0.6=13.8
(371)30x+23x-4=128.5
(372)12x+86x-2=66.6
(373)55x+72x-1.2=151.2
(374)75x+42x-2.2=44.6
(375)15x+87x-1.6=90.2
(376)9x+81x-3.5=32.5
(377)33x+9x-0.2=29.2
(378)17x+29x-3.9=5.3
(379)8.4x-5.8x+1.3=29.9
(380)1.5x-0.8x+4.5=45.8
(381)6.5x-5.9x+1.3=4.9
(382)1.5x-1.1x+3.7=19.7
(383)1.2x-1x+2=12.6
(384)9.8x-4.7x+3.4=39.1
(385)2.4x-0.2x+4.4=15.4
(386)6.3x-0.6x+4.3=78.4
(387)9.3x-4.3x+4.7=49.7
(388)57x-23x+4.6=28.4
(389)99x-95x+3=4.2
(390)61x-52x+0.9=5.4
(391)41x-37x+2=7.6
(392)21x-7x+1.5=16.9
(393)77x-37x+1.5=29.5
(394)21x-8x+2.8=21
(395)42x-27x+2.4=17.4
(396)60x-41x+3.4=16.7
(397)8.6x-5x-1.7=27.1
(398)2.4x-0.5x-2.6=10.7
(399)1.8x-0.6x-0.6=35.4
(400)7.5x-4.6x-3.1=11.4
(401)1.3x-0.5x-2=2.8
(402)6.5x-4.1x-2.8=21.2
(403)2.5x-1.7x-2.1=21.9
(404)4.9x-4.1x-2.4=13.6
(405)2.8x-0.9x-4.2=7.2
(406)37x-24x-1.2=19.6
(407)53x-7x-3.8=10
(408)56x-22x-0.7=26.5
(409)32x-26x-0.5=18.1
(410)89x-35x-0.2=21.4
(411)10x-4x-1.1=12.1
(412)16x-10x-1.3=9.5
(413)61x-18x-2.8=40.2
(414)22x-4x-3=34.8
(415)3x+12×15=354
(416)8x+7×17=247
(417)5x+7×9=228
(418)20x+7×16=232
(419)20x+5×36=340
(420)5x+2×3=41
(421)11x+3×53=346
(422)29x+2×62=211
(423)4x+98×2=204
(424)13x-3×8=54
(425)4x-6×8=88
(426)27x-9×17=36
(427)3x-3×14=150
(428)8x-21×5=15
(429)5x-19×8=38
(430)2x-2×53=40
(431)23x-33×4=52
(432)3x-4×24=96
(433)0.3x+1.6×5=9.8
(434)0.3x+0.2×12=6.9
(435)0.3x+0.5×13=15.2
(436)0.3x+2×6=20.7
(437)1.1x+4×3=20.8
(438)1.9x+1.9×5=24.7
(439)0.2x+1×11=12.4
(440)1.2x+0.5×39=25.5
(441)0.4x+0.7×19=32.5
(442)26x+9×1.2=21.2
(443)3x+6×0.2=12.3
(444)3x+7×2.5=30.1
(445)2x+23×0.3=11.5
(446)6x+11×0.7=19.7
(447)9x+23×0.5=27.7
(448)49x+2×2.7=15.2
(449)25x+2×1.6=23.2
(450)9x+39×0.4=30
(451)0.3x-1.3×2=6.7
(452)0.9x-2.4×5=6
(453)0.4x-1.6×3=14
(454)0.3x-2.7×2=9
(455)2.8x-0.3×24=4
(456)1.8x-0.4×31=3.8
(457)1.1x-0.8×18=2.1
(458)2.4x-3.2×3=9.6
(459)0.3x-0.4×5=3.1
(460)16x-37×0.3=6.5
(461)42x-3×2.4=1.2
(462)7x-3×3.2=5.1
(463)6x-6×0.9=13.8
(464)10x-2×1.4=17.2
(465)5x-3×2.9=9.3
(466)12x-8×1.8=1.2
(467)12x-5×0.9=12.3
(468)31x-17×0.2=9
(469)5(x+4)=175
(470)2(x+10)=30
(471)3(12x+7)=129
(472)2(6x+14)=124
(473)2(2x+11)=118
(474)4(x+9)=176
(475)5(x+31)=200
(476)4(4x+7)=60
(477)3(4x+7)=165
(478)5(x-34)=55
(479)3(4x-23)=3
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