五年级数学(方程)习题及答案汇编

五年级数学(方程)习题及答案汇编(1)x÷24=0.2(2)0.8x-1.2×11=6(3)x-1.4=5(4)34+x=66(5)2.4x+2.6=17(6)190÷x=38(7)29x=17.4(8)17x-3x+49=161(9)0.9x+9.1x-1.7=98.3(10)5x-41=34(11)2x+3×64=364(12)96+x=172(13)17x+2x=114(14)3.4x+9.9x-4.3=48.9(15)x-38=19(16)122÷x=2(17)6.4-x=6.2(18)0.3x-1.6=13.4(19)5x+28=133(20)2x-37=83(21)28÷x=2(22)6.9+x=8.9(23)2(24x-27)=186(24)9.8x+7.3x-2.6=100(25)34x-7x-2.9=21.4(26)19x-15x=40(27)3x+9x-24=120(28)2(0.4x+2.2)=18(29)4.4x+9.4x+2.6=44(30)2x+25×8=286(31)12x-4x-3.8=18.6(32)20x÷5=0.8(33)11x=143(34)x÷3=28(35)21x+51=240(36)16x-11x+17=57(37)8x+3x+41=118(38)16x=128(39)(x-7.5)÷13=0.5(40)18x-2x=80(41)3x+12×1.1=25.2(42)7.6+0.3x=12.7(43)9.1x-5.2x-3=4.8(44)1.9x+6.9x=79.2(45)1.3x-5.5=8.8(46)9.1x+4.9x=84(47)0.3x-0.7×4=6.8(48)28x=14(49)8.3-35x=1.3(50)6x+3×0.2=15.6(51)2x-27×5=59(52)0.2x-0.2×16=3.2(53)49-x=26(54)98-4x=22(55)8x+2.6=16.2(56)16x-5x+16=82(57)11.4-0.3x=9.6(58)x+26=50(59)0.2x+0.3x=9.5(60)4.2x+4.7x=35.6(61)11(7x-48)=165(62)0.3x=14.4(63)0.6x=8.4(64)12x-45×0.3=5.7(65)1.1+5.1x=16.4(66)81+19x=157(67)x-20=38(68)92x+3.5=21.9(69)12.9-2.2x=8.5(70)2(0.7x+0.3)=37(71)11x+3x+24=94(72)3.2x-1.2=18(73)5.8x+0.6x+3.8=67.8(74)3x+1.8=9(75)32x+4.2=13.8(76)3.2x+3.9=23.1(77)127-7x=71(78)(3x+10)÷2=35(79)9.2x-5x-3.8=25.6(80)90x÷18=10(81)4.2x-3.6x+4.8=12(82)13x+2x-35=175(83)18x-15x=33(84)4(5x+16)=184(85)x-54=23(86)16.5-5.1x=6.3(87)(17x-7)÷44=1(88)18x-5x+46=124(89)4.3x-4.1=8.8(90)2x+5x+33=159(91)x÷6=0.5(92)66x+87x-1.6=29(93)12x-10x=30(94)85-5x=45(95)4.5x-1.2x+1.8=74.4(96)10(12x-35)=130(97)49x+28x-4.6=80.1(98)10x+8×15=230(99)9.2+x=10.5(100)x+2.2=6.1(101)4x+16x+37=177(102)10x=60(103)18x-8x=30(104)6.4x-1.4x-4.1=25.9(105)14.3+15x=18.8(106)11x+18x+11=69(107)19.5-26x=11.7(108)3.4x-4.2×2=1.8(109)16x+13x-2.7=46.6(110)x+0.4=3.9(111)13x-4x-45=36(112)x÷12=6(113)16.6+12x=23.8(114)16x=80(115)x-1.1=7.2(116)x+13=51(117)40+25x=190(118)0.3x=12.3(119)4(0.9x+8.7)=45.6(120)9-0.2x=7(121)12x+3x+2.7=41.7(122)14x+2=11.8(123)x-38=45(124)16(1.9x-2.6)=19.2(125)18x-5×7=73(126)3.9+46x=17.7(127)94x-5.3=13.5(128)x÷8=5(129)97x-31x-2.3=37.3(130)16.1-21x=3.5(131)36x=180(132)13x+9x=110(133)4x÷24=0.3(134)47x-3×4.2=1.5(135)4.5x-1.2x-1.6=71(136)x÷45=0.3(137)11+2x=135(138)12x-8x-18=22(139)5(6x+7)=155(140)(2.9x-0.3)÷5=4(141)12x+14x=78(142)2(6x+47)=178(143)47x-30x-3.1=13.9(144)16x÷8=24(145)9x÷6=12(146)17.6+3x=21.5(147)2x-2×22=104(148)x-3.3=3.6(149)11x-3x-48=88(150)128÷x=2(151)8.2-x=7.6(152)(2x+26)÷33=2(153)11+1.6x=14.2(154)4(x+8.7)=46.8(155)4x-36=160(156)16.9-33x=3.7(157)0.4÷x=0.2(158)3x+28×0.7=23.5(159)2.3x-5.5=10.6(160)6x÷4=39(161)10÷x=0.5(162)(0.4x+3.4)÷9=1(163)6x+5×33=327(164)7x-3x+17=85(165)9x=17.1(166)17x-9x-23=25(167)15.8+20x=35.8(168)x+72=118(169)50x÷5=40(170)3x+16=121(171)x-6=56(172)(9x-5.4)÷9=9.4(173)2x÷14=13(174)3x+74x+2.6=87.3(175)188÷x=47(176)4.1x+2.5=14.8(177)x+55=149(178)(3.1x+8)÷9=6.4(179)28x÷8=1.4(180)16.7-46x=7.5(181)5x+6×2.1=30.1(182)4x+3x+31=248(183)2.1x+0.7x=33.6(184)82-x=60(185)10x+8x-17=145(186)13x+2×55=188(187)0.9x=7.2(188)3.5x-1.4x=37.8(189)13.3-7x=7.7(190)3x+2x-10=145(191)1.3x-0.3×20=9.6(192)4.6x+3.4=17.2(193)19x+16x=105(194)2x+3x-5=170(195)57x+59=173(196)(9x+21)÷21=7(197)89-x=22(198)9.9-x=4.3(199)81x-7x-0.7=28.9(200)x÷83=0.2(201)18.9+12x=28.5(202)x÷9=1.5(203)82x-61x+0.3=25.5(204)0.8x+0.6×22=31.6(205)33+x=83(206)2(x+26)=130(207)18.3+24x=23.1(208)3.7x-1.3x=60(209)16x÷48=0.4(210)1.3x-0.4×7=12.8(211)19.1-0.2x=7.1(212)7x-1.7=16.5(213)x+22=77(214)1.6x-1.9=7.7(215)2.8x+4.5x-4.2=105.3(216)0.4x÷11=0.8(217)17x-13x+11=51(218)4(5x-24)=104(219)6.2x+8x+1.2=29.6(220)5x+10x-21=219(221)2x+49×4=230(222)5.3x+2.8x=64.8(223)25x-6×31=14(224)19x+24×4=267(225)6x-6×2.1=6(226)20+x=67(227)9x-11×0.5=5.3(228)2(6x+6)=180(229)26x+27=183(230)6x÷39=0.4(231)155+2x=223(232)6.2x+2.5x+0.3=78.6(233)7.7x-5.7x+4.2=22.2(234)(8.2x+5.6)÷22=1(235)3.3+x=3.7(236)0.2x+0.7×14=13.8(237)9.4-x=4(238)4x-2×11=34(239)4.1x-3.3x+3.5=17.1(240)5x=6(241)9+x=15.6(242)11x+16x+21=237(243)18x-6x-9=111(244)(6x-48)÷2=27(245)6x+5.2=7(246)3(0.2x+7)=48.6(247)6x-3x+26=119(248)50x+36x+0.8=43.8(249)2(0.8x-2.6)=41.2(250)20x-5.3=10.7(251)7(0.8x+1.4)=26.6(252)74x-51x-4.9=20.4(253)x+14=57(254)9x-20=25(255)x+3.5=13(256)84+x=165(257)2x-5.8=11.8(258)47x=9.4(259)x-49=41(260)150+54x=312(261)9.6x+8.7x-4.2=178.8(262)6x-4x+9=59(263)2(12x-15)=138(264)28x-15x+1.5=27.5(265)7x-3.7x+4.8=47.7(266)82-x=38(267)x+8.2=13.8(268)2x-1.6=1.6(269)6÷x=3(270)7x÷8=1.4(271)2x+12x+22=232(272)(x-5.9)÷11=0.1(273)x÷62=0.3(274)22x-6×1=2.8(275)17(0.2x-8.5)=18.7(276)198+11x=220(277)13x-36×0.4=3.8(278)153÷x=17(279)(2x+8)÷2=13(280)7.3x+1.2=15.8(281)8.4-x=5.9(282)x÷6=5(283)0.3x+0.7×11=8.3(284)79x+98x-4.3=48.8(285)1.2x+0.5x+2.2=143.3(286)0.7x+2.5=18.6(287)4(0.7x-8.8)=46(288)0.2x+7.6x+1.9=25.3(289)26x+28=106(290)(12x-15)÷3=83(291)x+4.2=6.2(292)0.8x-0.5x-0.3=20.4(293)197+27x=386(294)0.2x÷24=0.4(295)21x-11=31(296)1.2x+4.9=19.3(297)5x-10×9=25(298)18+x=110(299)19.3+0.2x=37.5(300)5.2+4x=24(301)7.2+x=14.1(302)170-2x=136(303)8x+11x=57(304)x+3.4=5.9(305)11x+20x+2.2=23.9(306)x-1.2=8.3(307)7x+10x-35=237(308)11x-7×1.5=3.8(309)1.1x-0.3x=37.6(310)8.3x-6.5x-2.6=11.8(311)72x+34=178(312)10.8÷x=0.2(313)3(0.8x+9.9)=44.1(314)132-16x=52(315)x+0.9=2.1(316)3x=8.1(317)2(3x+10)=38(318)14x=56(319)6.6x-4.8x+2.8=19(320)2x+3x=260(321)(5x+6)÷12=3(322)8.5x+6.9x+2.2=110(323)30x-12x-0.2=28.6(324)5.7x+3x=121.8(325)4.8-x=4.6(326)(10x-6)÷44=1(327)12.2-1.5x=3.2(328)1.2x=8.4(329)42x-17x+3=20.5(330)12.8÷x=0.4(331)82-22x=38(332)(x+48)÷21=3(333)5.3x+8.1x=147.4(334)12x-4x-6=66(335)58x-43x+1=25(336)7.5x+0.6x-0.8=88.3(337)x÷8=23(338)95x+88x-3.4=143(339)19x-6x=52(340)158+15x=233(341)21x+30×6=306(342)18x+14x+18=146(343)19x-21×3=51(344)15x-7x+2.3=6.3(345)2(2x-20)=128(346)1.8+x=6.7(347)(18x+6)÷6=7(348)x÷32=0.2(349)x-30=44(350)15x=13.5(351)(1.9x+0.4)÷3=3.3(352)86-x=83(353)1.8x+3.2x=70(354)12x-3x-30=15(355)144÷x=6(356)6.3-x=1.4(357)0.9x+3.1=8.5(358)6.2x-4.2x-0.7=13.3(359)1.3x÷5=3.9(360)19.7+0.4x=38.1(361)2.6x-4.4×3=5(362)4x-5×2.6=3(363)17.7+0.8x=20.1(364)20x+10x-4.9=106.1(365)11(2.6x-7.1)=36.3(366)x÷61=0.3(367)(16x-40)÷10=12(368)5x-52=138(369)(1.6x-8.8)÷2=8.4(370)11x-1.2=10.9(371)(8x+46)÷35=2(372)18.8÷x=4.7(373)8.8x-2.4x=12.8(374)x-0.2=7.5(375)7.8x-4.8x+3.7=24.7(376)38x-25x+2.5=9(377)1.8x-3.8=10.6(378)2x+4.9=13.9(379)8x-3x=65(380)8.1+x=16.6(381)x÷6=14(382)18(x+6)=198(383)8.6x-5.3x=16.5(384)84x+2.4=19.2(385)1.1x-0.4×10=1.5(386)4x-3.2x+2.2=14.2(387)9.1x-5.4x-3.3=15.2(388)86x-5x-0.4=23.9(389)4x-11×10=74(390)4.8x-0.9x=78(391)7x+21×0.9=27.3(392)18x-18=162(393)29+x=60(394)3÷x=0.3(395)(9.5x+6.3)÷2=45.9(396)10x-4x+24=96(397)x-4.3=3.9(398)x+36=66(399)8(5.5x-6.5)=36(400)39x+17×0.4=14.6(401)0.2x+3.4x+3.6=72(402)6.1+0.6x=22.3(403)x+3.5=12(404)72-x=64(405)4.8x÷3=3.2(406)18(3x+4)=180(407)2x+18=174(408)3x=9(409)3.3x=16.5(410)16x-7x=45(411)(7x-34)÷2=18(412)0.6x÷15=0.8(413)x÷44=0.4(414)x+43=120(415)6x+10×1.4=15.8(416)x+76=162(417)9x=54(418)76x-44x+2.2=18.2(419)0.7x÷13=1.4(420)4.5+x=10.6(421)11x+5x=208(422)7x-1.2=9.3(423)5.9+3.7x=13.3(424)162÷x=27(425)14(x-3)=154(426)6.7-x=4.8(427)(2.7x-7.2)÷10=3.6(428)x÷50=2(429)x+3.2=8.7(430)36x÷4=27(431)3(2x-24)=60(432)54x-33=129(433)19.2-8.7x=1.8(434)x-4.6=4.5(435)(14x+23)÷19=13(436)6(9x-25)=174(437)2x=20(438)16.9-2x=12.3(439)77x-33x+4.4=39.6(440)5x=16.5(441)134+7x=274(442)65x-62x-0.3=1.8(443)9.4x-1.3x-3.4=61.4(444)9.5x-2.1x=51.8(445)55-x=30(446)35x+26x+2.7=39.3(447)4.3x-0.7x=21.6(448)33x-3.3=13.2(449)5.1-x=3(450)5x=145(451)14x-5x-29=70(452)91+x=119(453)1.8x÷99=0.2(454)0.2x-2.8×3=1.2(455)0.4x+6.2x-2.7=30.3(456)22x+19×0.7=19.9(457)6x+10x-31=113(458)1.8÷x=0.2(459)39x÷26=0.6(460)13x÷7=26(461)12x÷8=0.3(462)4x+3.5×2=23(463)(8x+34)÷2=125(464)4(3.4x-7.8)=9.6(465)x-37=52(466)(0.6x-6.2)÷8=0.5(467)(4x-27)÷33=1(468)180-16x=52(469)8.8+1.3x=15.3(470)3.1x-2.3x=21.6(471)18x+22×0.7=22.6(472)43x+1.6=10.2(473)89-x=71(474)x-10=37(475)2(4.3x+8.1)=33.4(476)61-x=32(477)(7.2x+9.2)÷20=3.7(478)7x+54x-0.9=60.1(479)3x+16x-27=144(480)1.9x-1.3x+2.8=24.4(481)0.9x+1×18=37.8(482)12.4-0.3x=4.3(483)2x+4×11=228(484)28x÷12=7(485)0.6x-2.7=3.9(486)2.3x=6.9(487)x÷8=3(488)(2.6x-2.2)÷9=1.2(489)73x+12x-1=75.5(490)x-1.9=2.7(491)7.4x+4.3x-4.9=65.3(492)8x-6x=26(493)0.2x+2=6.2(494)6.3÷x=0.9(495)7x+3x=40(496)0.8x+0.3×31=19.7(497)2x+15=65(498)3(4.9x-5.5)=12.9(499)87-10x=27(500)6x÷30=0.5(501)0.4x-3.6=13.2(502)x÷4=35(503)(9.5x-9.1)÷16=2.4(504)43x+68x+3.9=103.8(505)7(1.7x-7.4)=7.7(506)(4.9x+8.1)÷3=22.3(507)2.1x÷14=0.9(508)11.1-0.7x=9(509)5.7+x=9.7(510)188-7x=111(511)(19x+9)÷3=98(512)13x-3×2.5=4.2(513)4.9x=14.7(514)3.6+18x=9(515)x-2.7=3.2(516)9x+6.6x+4.8=145.2(517)2.5x+4.6x-2.2=61.7(518)70x-58x+3.1=15.1(519)16x-8x-22=74(520)30x-16=44(521)24x+25x+0.5=29.9(522)0.5x+1.1×10=16.5(523)6.7-4x=1.9(524)17.7-2x=15.3(525)24x=7.2(526)75x+61x-1.8=39(527)3.9x+0.4×32=32.3(528)3(2x+43)=195(529)3x-59×3=12(530)70+x=149(531)3x+7x=210(532)0.2x+0.2×46=18.6(533)4.5x÷9=2(534)2(0.3x+4.2)=14.4(535)(8x-38)÷26=5(536)(16x-32)÷3=32(537)33x+3x+2.7=71.1(538)41x+68x+4.3=146(539)4x-4.9=6.3(540)148÷x=4参考答案(1)x=4.8(2)x=24(3)x=6.4(4)x=32(5)x=6(6)x=5(7)x=0.6(8)x=8(9)x=10(10)x=15(11)x=86(12)x=76(13)x=6(14)x=4(15)x=57(16)x=61(17)x=0.2(18)x=50(19)x=21(20)x=60(21)x=14(22)x=2(23)x=5(24)x=6(25)x=0.9(26)x=10(27)x=12(28)x=17(29)x=3(30)x=43(31)x=2.8(32)x=0.2(33)x=13(34)x=84(35)x=9(36)x=8(37)x=7(38)x=8(39)x=14(40)x=5(41)x=4(42)x=17(43)x=2(44)x=9(45)x=11(46)x=6(47)x=32(48)x=0.5(49)x=0.2(50)x=2.5(51)x=97(52)x=32(53)x=23(54)x=19(55)x=1.7(56)x=6(57)x=6(58)x=24(59)x=19(60)x=4(61)x=9(62)x=48(63)x=14(64)x=1.6(65)x=3(66)x=4(67)x=58(68)x=0.2(69)x=2(70)x=26(71)x=5(72)x=6(73)x=10(74)x=2.4(75)x=0.3(76)x=6(77)x=8(78)x=20(79)x=7(80)x=2(81)x=12(82)x=14(83)x=11(84)x=6(85)x=77(86)x=2(87)x=3(88)x=6(89)x=3(90)x=18(91)x=3(92)x=0.2(93)x=15(94)x=8(95)x=22(96)x=4(97)x=1.1(98)x=11(99)x=1.3(100)x=3.9(101)x=7(102)x=6(103)x=3(104)x=6(105)x=0.3(106)x=2(107)x=0.3(108)x=3(109)x=1.7(110)x=3.5(111)x=9(112)x=72(113)x=0.6(114)x=5(115)x=8.3(116)x=38(117)x=6(118)x=41(119)x=3(120)x=10(121)x=2.6(122)x=0.7(123)x=83(124)x=2(125)x=6(126)x=0.3(127)x=0.2(128)x=40(129)x=0.6(130)x=0.6(131)x=5(132)x=5(133)x=1.8(134)x=0.3(135)x=22(136)x=13.5(137)x=62(138)x=10(139)x=4(140)x=7(141)x=3(142)x=7(143)x=1(144)x=12(145)x=8(146)x=1.3(147)x=74(148)x=6.9(149)x=17(150)x=64(151)x=0.6(152)x=20(153)x=2(154)x=3(155)x=49(156)x=0.4(157)x=2(158)x=1.3(159)x=7(160)x=26(161)x=20(162)x=14(163)x=27(164)x=17(165)x=1.9(166)x=6(167)x=1(168)x=46(169)x=4(170)x=35(171)x=62(172)x=10(173)x=91(174)x=1.1(175)x=4(176)x=3(177)x=94(178)x=16(179)x=0.4(180)x=0.2(181)x=3.5(182)x=31(183)x=12(184)x=22(185)x=9(186)x=6(187)x=8(188)x=18(189)x=0.8(190)x=31(191)x=12(192)x=3(193)x=3(194)x=35(195)x=2(196)x=14(197)x=67(198)x=5.6(199)x=0.4(200)x=16.6(201)x=0.8(202)x=13.5(203)x=1.2(204)x=23(205)x=50(206)x=39(207)x=0.2(208)x=25(209)x=1.2(210)x=12(211)x=60(212)x=2.6(213)x=55(214)x=6(215)x=15(216)x=22(217)x=10(218)x=10(219)x=2(220)x=16(221)x=17(222)x=8(223)x=8(224)x=9(225)x=3.1(226)x=47(227)x=1.2(228)x=14(229)x=6(230)x=2.6(231)x=34(232)x=9(233)x=9(234)x=2(235)x=0.4(236)x=20(237)x=5.4(238)x=14(239)x=17(240)x=1.2(241)x=6.6(242)x=8(243)x=10(244)x=17(245)x=0.3(246)x=46(247)x=31(248)x=0.5(249)x=29(250)x=0.8(251)x=3(252)x=1.1(253)x=43(254)x=5(255)x=9.5(256)x=81(257)x=8.8(258)x=0.2(259)x=90(260)x=3(261)x=10(262)x=25(263)x=7(264)x=2(265)x=13(266)x=44(267)x=5.6(268)x=1.6(269)x=2(270)x=1.6(271)x=15(272)x=7(273)x=18.6(274)x=0.4(275)x=48(276)x=2(277)x=1.4(278)x=9(279)x=9(280)x=2(281)x=2.5(282)x=30(283)x=2(284)x=0.3(285)x=83(286)x=23(287)x=29(288)x=3(289)x=3(290)x=22(291)x=2(292)x=69(293)x=7(294)x=48(295)x=2(296)x=12(297)x=23(298)x=92(299)x=91(300)x=4.7(301)x=6.9(302)x=17(303)x=3(304)x=2.5(305)x=0.7(306)x=9.5(307)x=16(308)x=1.3(309)x=47(310)x=8(311)x=2(312)x=54(313)x=6(314)x=5(315)x=1.2(316)x=2.7(317)x=3(318)x=4(319)x=9(320)x=52(321)x=6(322)x=7(323)x=1.6(324)x=14(325)x=0.2(326)x=5(327)x=6(328)x=7(329)x=0.7(330)x=32(331)x=2(332)x=15(333)x=11(334)x=9(335)x=1.6(336)x=11(337)x=184(338)x=0.8(339)x=4(340)x=5(341)x=6(342)x=4(343)x=6(344)x=0.5(345)x=42(346)x=4.9(347)x=2(348)x=6.4(349)x=74(350)x=0.9(351)x=5(352)x=3(353)x=14(354)x=5(355)x=24(356)x=4.9(357)x=6(358)x=7(359)x=15(360)x=46(361)x=7(362)x=4(363)x=3(364)x=3.7(365)x=4(366)x=18.3(367)x=10(368)x=38(369)x=16(370)x=1.1(371)x=3(372)x=4(373)x=2(374)x=7.7(375)x=7(376)x=0.5(377)x=8(378)x=4.5(379)x=13(380)x=8.5(381)x=84(382)x=5(383)x=5(384)x=0.2(385)x=5(386)x=15(387)x=5(388)x=0.3(389)x=46(390)x=20(391)x=1.2(392)x=10(393)x=31(3