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+12=40
(2)x+60=80
(3)x+56=111
(4)x+27=68
(5)x+11=108
(6)x+50=69
(7)x+66=147
(8)x+62=83
(9)x+30=44
(10)x-5=94
(11)x-49=11
(12)x-14=19
(13)x-48=27
(14)x-44=10
(15)x-39=10
(16)x-38=51
(17)x-34=34
(18)x-16=21
(19)x+6.3=13.6
(20)x+3.6=11.3
(21)x+5.5=9.7
(22)x+8.4=12.3
(23)x+6.1=12.1
(24)x+3.4=12.1
(25)x+1.7=11.5
(26)x+3.3=4.5
(27)x+1=3.4
(28)x-4.3=5.4
(29)x-2.5=6.7
(30)x-7.3=1.1
(31)x-3.4=2.3
(32)x-0.7=7.3
(33)x-0.3=3.1
(34)x-3.2=2.1
(35)x-1.6=4.7
(36)x-2.6=7.1
(37)59+x=72
(38)56+x=62
(39)10+x=108
(40)80+x=101
(41)4+x=51
(42)4+x=72
(43)24+x=27
(44)68+x=76
(45)86+x=112
(46)58-x=18
(47)48-x=31
(48)38-x=15
(49)76-x=51
(50)24-x=21
(51)70-x=57
(52)55-x=27
(53)83-x=49
(54)55-x=43
(55)6.1+x=6.3
(56)5.2+x=10.3
(57)1.4+x=8.2
(58)1.7+x=7.6
(59)4.3+x=12.4
(60)0.8+x=8.7
(61)6.2+x=9.6
(62)0.6+x=2.8
(63)1.4+x=9.2
(64)9.5-x=5.5
(65)8.5-x=7
(66)5.5-x=4.7
(67)5.3-x=3.8
(68)2.4-x=2
(69)4.3-x=3.9
(70)3.7-x=1.9
(71)4.7-x=1.1
(72)7.2-x=2.9
(73)4x=64
(74)9x=45
(75)10x=200
(76)32x=192
(77)7x=14
(78)8x=96
(79)20x=60
(80)36x=180
(81)2x=44
(82)0.2x=2.4
(83)0.2x=8.4
(84)0.9x=3.6
(85)5x=10
(86)0.2x=15.2
(87)9.5x=19
(88)0.3x=18
(89)0.6x=15
(90)6.5x=19.5
(91)6x=10.2
(92)13x=16.9
(93)16x=14.4
(94)9x=19.8
(95)10x=5
(96)20x=12
(97)5x=17.5
(98)6x=3
(99)3x=16.5
(100)176÷x=11
(101)36÷x=3
(102)108÷x=6
(103)76÷x=2
(104)138÷x=3
(105)54÷x=9
(106)78÷x=3
(107)182÷x=7
(108)135÷x=9
(109)18÷x=4.5
(110)19.2÷x=0.4
(111)18÷x=3.6
(112)16.8÷x=1.2
(113)13÷x=2.6
(114)10.8÷x=0.6
(115)19.6÷x=1.4
(116)19.2÷x=0.3
(117)0.6÷x=0.3
(118)x÷5=10
(119)x÷24=8
(120)x÷98=2
(121)x÷4=18
(122)x÷57=3
(123)x÷23=5
(124)x÷3=49
(125)x÷24=4
(126)x÷2=37
(127)x÷16=0.8
(128)x÷34=0.3
(129)x÷8=0.9
(130)x÷29=0.3
(131)x÷27=0.3
(132)x÷13=1.1
(133)x÷14=1.1
(134)x÷36=0.4
(135)x÷20=0.9
(136)8x+43=179
(137)37x+52=237
(138)4x+35=235
(139)4x+37=133
(140)34x+57=125
(141)4x+48=232
(142)66x+55=187
(143)62x+50=236
(144)5x+58=173
(145)43x-33=96
(146)14x-34=64
(147)7x-22=20
(148)2x-15=133
(149)10x-27=133
(150)75x-39=111
(151)28x-25=59
(152)2x-40=148
(153)37x-57=54
(154)3x+2.7=13.2
(155)11x+2.5=5.8
(156)3x+5.9=6.5
(157)18x+5.3=17.9
(158)13x+4.4=13.5
(159)4x+1.3=16.5
(160)10x+1.1=17.1
(161)47x+5.2=19.3
(162)2x+5.9=13.1
(163)0.2x+3.6=5.8
(164)0.2x+3=22.2
(165)0.3x+5.9=18.2
(166)0.2x+4.8=6.6
(167)0.9x+3.9=21.9
(168)8.6x+1.4=18.6
(169)4.3x+4=21.2
(170)4.1x+2=18.4
(171)1.9x+4.2=11.8
(172)22x-3=1.4
(173)32x-2.1=7.5
(174)5x-3.6=15.9
(175)8x-2.1=7.5
(176)87x-1.9=15.5
(177)30x-5.5=9.5
(178)5x-3.8=1.7
(179)22x-1.2=14.2
(180)15x-2.7=7.8
(181)0.3x-3=6.6
(182)1.9x-1.8=2
(183)1x-2.1=14.9
(184)0.8x-1.1=8.5
(185)8x-5=11
(186)1.5x-2.4=9.6
(187)0.5x-5=11.5
(188)1.1x-4.5=13.1
(189)0.5x-4.6=1.4
(190)177+3x=339
(191)74+3x=152
(192)91+2x=147
(193)145+8x=169
(194)16+4x=76
(195)47+2x=131
(196)149+3x=188
(197)84+9x=183
(198)74+2x=250
(199)120-2x=62
(200)175-53x=69
(201)191-6x=41
(202)188-23x=73
(203)162-2x=128
(204)91-20x=11
(205)157-44x=69
(206)103-3x=16
(207)123-8x=11
(208)17.8+0.2x=24.6
(209)11.3+0.8x=25.7
(210)7.7+0.2x=10.3
(211)3.7+4.7x=13.1
(212)19.5+0.2x=38.7
(213)15+0.7x=31.8
(214)1.3+4.1x=17.7
(215)15.8+0.6x=17
(216)14+0.3x=21.2
(217)2.7+7x=12.5
(218)12.1+10x=14.1
(219)7.6+2x=8.8
(220)6.8+8x=18
(221)6.9+7x=15.3
(222)9.3+27x=28.2
(223)8.1+62x=20.5
(224)4.5+2x=23.5
(225)19+7x=25.3
(226)10.9-0.4x=5.7
(227)12.9-0.5x=9.4
(228)16.7-3x=4.7
(229)8.9-0.3x=1.1
(230)18.3-0.6x=6.3
(231)19.7-0.8x=14.1
(232)7.7-0.2x=3.9
(233)7.4-0.5x=2.9
(234)13.7-1.1x=6
(235)19.8-31x=4.3
(236)18.9-31x=6.5
(237)17.7-7x=13.5
(238)11-33x=1.1
(239)11.4-11x=9.2
(240)18.8-6x=2.6
(241)16.8-30x=10.8
(242)17.9-7x=7.4
(243)8.2-5x=3.7
(244)9x÷6=6
(245)12x÷3=24
(246)4x÷8=5
(247)9x÷3=48
(248)32x÷16=4
(249)64x÷48=4
(250)9x÷21=6
(251)4x÷2=16
(252)2x÷11=12
(253)0.2x÷7=2.2
(254)4.8x÷18=0.8
(255)2.6x÷13=0.4
(256)2.4x÷8=1.2
(257)0.2x÷4=0.6
(258)6.6x÷11=1.8
(259)3.6x÷6=1.8
(260)3.2x÷8=2
(261)0.6x÷2=3.3
(262)14x÷28=0.4
(263)10x÷50=0.4
(264)6x÷39=0.2
(265)40x÷8=1
(266)4x÷12=0.3
(267)4x÷40=0.3
(268)40x÷32=0.5
(269)88x÷22=0.8
(270)14x÷4=2.8
(271)7x+6x=286
(272)13x+14x=81
(273)14x+5x=190
(274)5x+2x=196
(275)10x+18x=224
(276)11x+14x=125
(277)13x+14x=216
(278)4x+10x=224
(279)16x+10x=130
(280)18x-7x=44
(281)17x-15x=16
(282)16x-10x=24
(283)7x-2x=135
(284)17x-3x=56
(285)19x-14x=10
(286)14x-12x=20
(287)14x-11x=18
(288)9x-2x=35
(289)1.3x+8.9x=30.6
(290)1x+1.4x=57.6
(291)1.1x+0.2x=36.4
(292)0.7x+4.1x=14.4
(293)5.1x+3.9x=72
(294)3.1x+0.8x=117
(295)1.7x+0.9x=20.8
(296)6.7x+1x=30.8
(297)0.9x+0.5x=92.4
(298)1.4x-1.1x=19.8
(299)9.5x-1.5x=48
(300)8.6x-8.2x=4
(301)4.5x-4.1x=8.4
(302)9x-8.8x=1
(303)4.5x-0.4x=20.5
(304)8.8x-5.4x=20.4
(305)5x-1.1x=27.3
(306)2.1x-0.4x=64.6
(307)11x+10x+21=105
(308)2x+12x+25=95
(309)7x+11x+49=373
(310)3x+6x+34=241
(311)2x+4x+25=127
(312)5x+2x+23=44
(313)4x+11x+10=265
(314)3x+13x+29=205
(315)11x+12x+9=55
(316)18x+9x-11=70
(317)5x+2x-11=87
(318)15x+7x-37=73
(319)12x+13x-18=57
(320)4x+6x-22=298
(321)3x+11x-34=134
(322)19x+3x-33=11
(323)6x+13x-36=97
(324)9x+5x-7=91
(325)17x-13x+2=38
(326)7x-2x+2=22
(327)18x-4x+18=116
(328)15x-7x+26=106
(329)19x-4x+8=113
(330)10x-6x+33=53
(331)15x-11x+37=57
(332)13x-4x+24=69
(333)14x-7x+20=76
(334)19x-4x-22=68
(335)13x-2x-2=163
(336)7x-3x-45=31
(337)13x-3x-28=122
(338)14x-3x-4=84
(339)15x-3x-28=128
(340)15x-12x-3=27
(341)12x-2x-34=106
(342)8x-3x-2=28
(343)3.7x+5.9x+3=41.4
(344)8.5x+6.2x+2.6=134.9
(345)7.4x+2.2x+2.4=40.8
(346)5x+9x+3.3=87.3
(347)1.8x+8.9x+4.3=122
(348)1.7x+2.3x+2.1=42.1
(349)1.8x+1.1x+3.9=47.4
(350)5.5x+1.4x+0.9=35.4
(351)5.3x+8.4x+2.7=139.7
(352)3x+9x+1.1=79.1
(353)25x+82x+2.2=87.8
(354)73x+60x+1.3=121
(355)2x+64x+0.2=20
(356)61x+31x+3.6=123.2
(357)19x+35x+4.3=133.9
(358)59x+73x+2.3=121.1
(359)14x+34x+1.7=92.9
(360)70x+53x+0.3=49.5
(361)5.4x+3.2x-1.7=101.5
(362)7.7x+5.7x-3.9=36.3
(363)0.4x+0.6x-1.7=74.3
(364)3.3x+3.4x-4.4=89.4
(365)1x+0.3x-0.2=24.5
(366)4.7x+5.3x-1.8=168.2
(367)1.1x+9.3x-3.4=100.6
(368)3.7x+9.9x-4.7=22.5
(369)1.5x+3.7x-1.4=123.4
(370)41x+47x-2.9=93.9
(371)15x+28x-1.7=11.2
(372)36x+52x-2.9=23.5
(373)35x+45x-2.1=69.9
(374)92x+32x-3.7=107.9
(375)10x+2x-1.1=45.7
(376)16x+30x-2.9=139.7
(377)61x+48x-4.1=104.9
(378)54x+57x-0.9=87.9
(379)7.4x-3.7x+1=12.1
(380)4.6x-1.5x+2.1=54.8
(381)8.6x-6.2x+1.4=11
(382)2.3x-0.4x+2.2=70.6
(383)9.1x-0.3x+1=53.8
(384)6.5x-2.6x+4.9=12.7
(385)3.7x-0.8x+3.5=78.9
(386)5.4x-0.2x+0.2=41.8
(387)7.9x-1x+4.4=45.8
(388)47x-18x+2.3=22.6
(389)54x-23x+0.4=12.8
(390)64x-26x+2.6=29.2
(391)59x-15x+3=33.8
(392)93x-62x+4.5=29.3
(393)19x-3x+2.3=43.9
(394)53x-20x+3.4=19.9
(395)27x-18x+1.6=11.5
(396)89x-18x+4.3=18.5
(397)4.1x-1.8x-4.8=11.3
(398)8.5x-0.9x-4.9=71.1
(399)5.6x-4.4x-0.6=6.6
(400)6.9x-3.5x-2.3=7.9
(401)4x-3.7x-3.9=2.1
(402)3.9x-3.2x-3.3=13.5
(403)6.7x-6x-2.4=3.2
(404)3.2x-1.1x-3=30.6
(405)3.7x-2.9x-0.6=17.8
(406)41x-17x-2.6=21.4
(407)61x-15x-3.4=5.8
(408)59x-55x-3=1
(409)50x-25x-3.9=46.1
(410)55x-50x-2.4=5.1
(411)74x-52x-3.2=21
(412)40x-4x-2.3=73.3
(413)24x-18x-1.4=21.4
(414)94x-11x-4=12.6
(415)3x+21×7=249
(416)15x+3×65=240
(417)3x+9×7=150
(418)9x+28×6=312
(419)4x+64×2=292
(420)3x+47×3=282
(421)15x+2×60=315
(422)19x+6×25=226
(423)4x+4×48=324
(424)2x-49×2=74
(425)6x-3×46=60
(426)2x-84×2=24
(427)10x-7×12=46
(428)5x-2×55=90
(429)23x-31×3=91
(430)6x-2×76=46
(431)10x-6×13=92
(432)5x-2×4=122
(433)1.4x+0.7×6=8.4
(434)2.2x+2.8×3=21.6
(435)3.7x+0.4×3=12.3
(436)4.2x+0.4×22=21.4
(437)0.7x+1.3×8=25.1
(438)0.3x+0.4×6=3
(439)2.3x+1.1×18=33.6
(440)3.7x+1×2=9.4
(441)0.4x+1.9×5=20.7
(442)7x+15×0.3=17.1
(443)47x+19×0.9=35.9
(444)13x+14×0.4=8.2
(445)11x+3×3.2=26.1
(446)11x+12×0.8=20.6
(447)13x+15×0.2=13.4
(448)6x+7×1.2=24.6
(449)6x+11×0.5=21.7
(450)20x+20×0.6=32
(451)0.5x-0.2×10=15
(452)3.3x-0.2×34=6.4
(453)3.6x-0.3×25=6.9
(454)0.8x-1×2=18
(455)0.6x-1.6×5=11.8
(456)2.7x-0.2×25=13.9
(457)3.5x-0.7×6=9.8
(458)2.6x-0.4×24=3.4
(459)2.7x-0.3×4=9.6
(460)6x-11×0.4=8.2
(461)37x-44×0.3=1.6
(462)21x-9×0.3=7.8
(463)16x-2×2.4=11.2
(464)40x-17×0.4=9.2
(465)5x-8×1.6=4.2
(466)8x-3×0.4=1.2
(467)15x-2×1.5=3
(468)10x-5×1=9
(469)2(13x+13)=156
(470)2(15x+40)=140
(471)2(2x+8)=64
(472)2(27x+18)=144
(473)3(x+38)=144
(474)5(4x+4)=80
(475)2(x+45)=106
(476)4(x+6)=136
(477)3(6x+23)=177
(478)6(x-7)=114
(479)8(9x-44)=80
(480)3(10x-45)
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