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)(1.7x-5.9)÷2=13.2(2)11x+3x-17=235(3)x+35=96(4)1x-0.4×12=11.2(5)(9.4x+0.9)÷15=5.7(6)3x-5×0.3=6(7)7x+26=173(8)x÷3=42(9)133÷x=7(10)0.3x+4=11.8(11)x÷4=11(12)10x+1.6=20.6(13)2x+64x+3.1=29.5(14)62x-2x+3.2=87.2(15)82x+39x-4.4=56.1(16)105+4x=201(17)9.9-6x=2.7(18)70+x=157(19)4x-2x-3.3=46.7(20)x+7.8=16.7(21)11x+15x-7=97(22)2(2.2x+3.7)=38.2(23)7x+11x=270(24)17.1÷x=1.9(25)2.2x+5.5=16.5(26)33+x=112(27)8.2+x=17.3(28)9.6-x=7.3(29)5x+15×0.5=23(30)5x+11x-43=21(31)15x-4x+29=172(32)5x-3x+18=88(33)88-x=16(34)5x-22×0.3=8.4(35)9.8x-2.3x+0.2=45.2(36)(1.7x-5.3)÷21=0.8(37)8.6x-1.5x=56.8(38)6.3x=18.9(39)6.2+1.3x=14(40)40x÷6=20(41)8x+5.8x-4.1=106.3(42)(3x+27)÷11=6(43)20x÷8=10(44)10x-4x-2=40(45)2.1x-1.3x-1.3=34.7(46)3(0.6x-1.5)=49.5(47)0.6x+2.7=9.9(48)5.2x+6.8x+0.7=60.7(49)8x÷14=12(50)0.6x+0.6×5=20.4(51)16x+3x+2.9=44.7(52)x+56=75(53)3x+25×3=270(54)5x+9x=140(55)43x+20x+3.2=53.6(56)(13x+44)÷7=10(57)63x-48x+4=26.5(58)6(0.7x-3.8)=44.4(59)x-8=42(60)0.8÷x=0.2(61)6.7x-3.9x=11.2(62)(7x-41)÷12=10(63)0.4x-2.4×4=2.4(64)6x-2x-10=34(65)5x-35=20(66)2.5x+1.6x=143.5(67)17x+16x-41=25(68)184÷x=46(69)56-x=26(70)x÷4=1.9(71)5x-4.7=10.3(72)3x-15=30(73)15x-12x=24(74)1.6x-0.5x+4=66.7(75)5.8-x=5.2(76)11x-7x+5=61(77)12.4+3x=17.8(78)44x-4x-0.9=55.1(79)x÷24=5(80)33x=66(81)14x-2x-4.5=21.9(82)4.4x÷16=1.1(83)6x+27=141(84)9.6+x=19(85)64x+2=21.2(86)2(0.9x+1.2)=45.6(87)8x-56=16(88)29x-22×0.2=1.4(89)103+4x=303(90)0.2x-3.8=15.8(91)39-x=29(92)8.2x-5.4x=25.2(93)0.5x+2.1x=26(94)3(3x-5)=138(95)4.1x-2.2x+1.9=19(96)18x=36(97)9x+13x+43=153(98)x-4.4=1.8(99)3.4+x=7.9(100)10.2-3x=6.9(101)(8.3x+8.6)÷3=33.3(102)14.5+9x=34.3(103)1.6x+0.2x+4.6=49.6(104)35x+1=15(105)2x+4x=282(106)x÷2=2.7(107)92x+53x+3.9=134.4(108)(7.3x-6.7)÷37=1.2(109)2x+1.6=17.6(110)2x÷13=1.2(111)11x+46x-1.9=49.4(112)x÷97=0.2(113)3.2x-2.9x-2.5=3.8(114)x-17=53(115)9.7x+9.8x=78(116)3.5+x=13.2(117)8.8-x=3(118)8x+8×14=288(119)17.5-0.7x=11.9(120)7.3x+3.3x+2.6=55.6(121)12x+2×98=316(122)16.9-9x=11.5(123)0.9x+0.9×3=8.1(124)9.7x+1.7x-4.8=63.6(125)x-1.3=7.9(126)x÷63=0.3(127)9.6-x=5.6(128)12.8-2x=4.8(129)23+x=117(130)0.7x+1.3x=88(131)6x÷96=2(132)14(1.5x-9.4)=36.4(133)7x=7.7(134)153-4x=133(135)8÷x=1.6(136)9x+8x+16=237(137)5x-4.6x+2.6=6.2(138)5(x+5)=140(139)6x+8x+46=270(140)10x+2.3=16.3(141)8(0.2x+0.3)=20(142)193+64x=321(143)x-5.9=3.5(144)(8x-32)÷4=48(145)0.2x+0.3x=41(146)6x=120(147)11.3+6x=31.1(148)0.7x=12.6(149)x+66=118(150)6.1x-3.9x+3.3=25.3(151)14x+18x-0.7=117.7(152)13-7x=10.2(153)x+4=64(154)48x-14=130(155)12.1+8.3x=28.7(156)0.2x=13.8(157)x+35=53(158)9x-2.8=11.6(159)18x-9×3=63(160)2.4+x=8.7(161)68x-51x+3.3=11.8(162)11x-2×0.8=5(163)19x+7×19=247(164)x-50=33(165)87-x=74(166)2.5x+0.2×8=6.6(167)(4x+5.2)÷12=6.1(168)3.8x+2.5x-0.4=31.1(169)1+0.2x=13.6(170)1.3x+3.9x+2.5=64.9(171)46x-4×1.3=8.6(172)18.9-3x=2.1(173)0.2x÷18=0.9(174)(1.7x+7.6)÷2=12.3(175)85-x=28(176)15x-6x+3=66(177)x-21=42(178)173-26x=95(179)2(0.6x+9.7)=30.2(180)23x-4.8=2.1(181)109-6x=31(182)2x+22×0.9=29.6(183)3(3x+27)=162(184)67x-16=118(185)28+x=127(186)11x=4.4(187)144÷x=2(188)3x+2x=20(189)0.5x-3.8=6.2(190)5x-28=147(191)(2.9x-7.6)÷20=0.2(192)0.5x-5.6=12.4(193)x-42=15(194)16x-4x=24(195)(x+8)÷17=1(196)(13x-46)÷6=27(197)4.8+26x=17.8(198)2(13x-6)=144(199)43x-3.3=5.3(200)2(16x+25)=146(201)(18x-36)÷39=6(202)8x-3×0.6=11(203)x-25=28(204)18.4-0.2x=17.8(205)169-2x=59(206)12.6÷x=0.3(207)56-x=24(208)3x+7x=250(209)(16x-35)÷45=1(210)7.7x+3.8x-2.7=135.3(211)11x-8x-16=20(212)(3.9x-1.6)÷2=10.9(213)65x÷15=1.3(214)11x-3x-4.6=13(215)3.5x-1.4x+1.7=43.7(216)10(3.8x-8.3)=31(217)x+8.9=12.8(218)85x-55x+1.1=10.1(219)2.6x-0.2×47=1(220)3.1x-2.4x-2.6=4.4(221)11x+7x+22=112(222)3(0.4x+5.3)=24.3(223)80x-36x+2.2=37.4(224)5x-5.1=3.9(225)1.6x+1.6×7=30.4(226)0.5x+1.3=16.8(227)1.5x÷6=1(228)6x+13=103(229)16x+16×1.1=20.8(230)11(x+3)=77(231)8x-5x-27=12(232)x÷2=4.7(233)12x+28×0.2=22.4(234)x-3.9=3.1(235)(2.6x-2.2)÷10=4.2(236)x+63=162(237)3.9x+1.2×8=25.2(238)5.7-x=3(239)13x+46=202(240)6.6x-0.3x+3.3=78.9(241)8x+4.4=22(242)27x-8×0.4=7.6(243)(8.2x+7.9)÷29=3.1(244)4x+11x+4.3=59.8(245)6x=132(246)6.7+6x=24.7(247)x-43=37(248)(7.5x-1.2)÷13=5.1(249)7(0.5x+3.7)=32.9(250)x÷3=0.3(251)16+66x=148(252)4.3x-3.3x-1.9=6.1(253)2x+1.5=17.1(254)7.9x-3.4x-3.5=5.5(255)9x+2×3.7=25.4(256)2x=15.8(257)x÷46=4(258)6.1x-2.2x=23.4(259)59x+5x-2.1=100.3(260)0.3x÷7=2.7(261)18.8-0.8x=4.4(262)6.3x-0.3x=48(263)18-x=13(264)198+13x=224(265)x-13=86(266)(1.2x+5.6)÷7=2(267)10x+63x-0.3=50.8(268)2.9x+1.2x-2.5=9.8(269)(0.4x+2.7)÷3=1.3(270)0.3x+3.5×5=25.3(271)x+5.3=12.8(272)10.2-3x=7.2(273)5x+10×11=215(274)2x÷19=1(275)31x-20x-0.7=9.2(276)5x=20(277)1x-0.6×22=4.8(278)19x+18x-9=176(279)0.9x=15.3(280)x-4.6=4.8(281)63+x=82(282)13.2÷x=2.2(283)3x-0.4x+0.9=52.9(284)x÷73=2(285)63÷x=3(286)0.5x+0.8×9=12.7(287)46+x=112(288)0.5x-0.3x-4.5=12.7(289)17x-7x=40(290)5x÷45=0.2(291)4.1+x=10.2(292)3.5x-5.6=8.4(293)4x-12×3=16(294)14.9-3.8x=7.3(295)20x-42×4=32(296)0.9x÷18=1.1(297)6.1-x=5.1(298)3x÷16=9(299)0.4x+1.8×9=25.4(300)x+7=14.1(301)24x-13x-1=33.1(302)6x+7x+48=165(303)9x+49×2=260(304)15x-3x-7=137(305)11x+9x+4.4=94.4(306)83x+44x+1=140.7(307)3.9x-1.8x+4.8=21.6(308)12(15x-20)=120(309)2(2x+28)=140(310)13.6-3x=6.7(311)3x+8x-20=123(312)98-x=70(313)5x÷25=0.2(314)0.5x-1×5=1(315)4x+3x+11=221(316)20x÷10=1.2(317)x÷13=6(318)(0.3x+3.9)÷12=0.8(319)8x-5x+4.8=8.7(320)2x÷28=4(321)2x-2.9=13.1(322)9x-5x+30=98(323)25÷x=5(324)8.2x-4.5=11.9(325)0.5x=15(326)1.1x+8x=18.2(327)14x+26×0.5=21.4(328)(7x+41)÷9=17(329)3x+11x=210(330)180-4x=24(331)15x-5x=80(332)x+83=96(333)4.4x-3.9x-0.6=5.9(334)4(x-4)=112(335)x÷8=3(336)(14x-6)÷37=4(337)1.3x-0.5x=15.2(338)190-48x=94(339)154÷x=14(340)17.2+0.3x=37(341)46x-33x+1.7=4.3(342)52x=10.4(343)17x-7x=90(344)13.5-0.7x=4.4(345)22x-11×10=66(346)3.3x+3.4=16.6(347)39x=78(348)17.7+15x=31.2(349)3x-44=19(350)2x-4=4.4(351)4.1+x=13.2(352)9x+6×16=159(353)(4x+9)÷15=7(354)17.6÷x=0.8(355)52+x=96(356)6.4+x=7.2(357)81x-45x+4.4=36.8(358)x+8=10.9(359)3x+13x+2=82(360)64x-12x-4.6=63(361)x-6.7=3.2(362)5.3x+3.7x+1.6=154.6(363)x÷19=0.4(364)13x-4x+7=25(365)8x-5x+49=82(366)6x+5x-29=48(367)(14x+25)÷9=9(368)15.5+0.2x=29.7(369)5.5x-5=6(370)15.2-2x=7.2(371)7.8+80x=23.8(372)0.3x÷27=0.4(373)18x+5×2.1=19.5(374)0.6x+3.4x-4.5=107.5(375)29x+46=191(376)2(4x-4)=88(377)3.3-x=1.2(378)x÷13=0.7(379)0.7x÷3=4.9(380)2(1.6x-9.1)=33(381)10x-5x-19=36(382)1.6x+5.1=16.3(383)x+50=126(384)54+28x=250(385)169÷x=13(386)6x+58=166(387)13x-10x+25=61(388)28x-3x-2.6=19.9(389)0.4x-0.7×3=15.5(390)x+3.3=4.6(391)8x-3x-2=118(392)13x=18.2(393)9x=198(394)13.5÷x=0.3(395)2(1.7x-8.6)=10(396)x-2.7=4.4(397)2(2x-7)=70(398)25x+4×2=18(399)2.6x+6.2x+3.6=91.6(400)131-4x=75(401)x÷9=1.2(402)17x-8x-16=20(403)(2.2x-9.4)÷32=0.6(404)8x-2.9=2.7(405)133+7x=294(406)16x=48(407)62x+55x-3.7=89.9(408)14x-6x=16(409)6x-4×10=146(410)17.3-4.3x=8.7(411)(4.1x+1.5)÷12=3.2(412)6x-8×0.3=16.8(413)4.6x-1x=39.6(414)4x+3×56=368(415)6.4+x=10.2(416)1x+1.1x+2.1=119.7(417)6.5x+0.3x-1.8=25.4(418)2x÷7=12(419)2(8x-33)=62(420)33+5x=138(421)(7x-30)÷22=5(422)4x-19=85(423)2(24x+8)=160(424)7x+22x-1.3=79.9(425)112÷x=4(426)8(20x-42)=144(427)71-x=31(428)(0.9x-0.8)÷4=2.5(429)7.7÷x=1.1(430)2(1.5x+7.8)=42.6(431)2(2.4x-8.3)=41(432)10x÷26=5(433)2.6x=7.8(434)1.5x-1.8×8=5.1(435)x-16=29(436)10x=4(437)9+1.8x=18(438)2x+3.4=12.2(439)3.8+0.4x=12.6(440)17x+11x=224(441)0.4x-2.5×2=4.2(442)1.7x=15.3(443)2(0.6x-6.9)=13.8(444)91x-35x-4.2=7(445)8÷x=4(446)3.8x+3.4x-1.1=178.9(447)9.7x+8.1x=35.6(448)63+x=72(449)12x+19x-7=272(450)3x+14=89(451)16.3-4x=1.1(452)6(0.4x+2.1)=48.6(453)39x+5.7=17.4(454)11x+5x-0.6=109.8(455)7x-2×51=87(456)2(2x-43)=94(457)15x-45×2=90(458)0.3x-0.3×9=3(459)1.2x-3.1=10.1(460)x+3.3=10(461)(8x+25)÷3=35(462)18.3-0.2x=10.1(463)4(x+10)=92(464)(10x+35)÷15=5(465)3x+35=110(466)3x+5.7=14.1(467)2x-3.7=13.9(468)8x-3x=55(469)(11x-9)÷2=111(470)5.7x+3.1x+3.1=117.5(471)24x=12(472)2x÷7=2.2(473)1.4x÷21=0.8(474)15x+5×1.9=20(475)5x-33×0.3=4.1(476)3.3x÷22=0.9(477)x÷6=27(478)93-2x=85(479)6+x=84(480)19.9-0.5x=8.9(481)12x÷2=48(482)1.7x=11.9(483)0.5x=16.5(484)2(0.9x+2.5)=48.2(485)50x+35=235(486)3.9x-1.9x-0.3=13.7(487)9.8÷x=0.7(488)20x-4×24=84(489)(14x-31)÷3=27(490)25x-26=149(491)15x+17x-10=150(492)13x+10x+6=144(493)71x+50x-3.8=56.7(494)18x+19x=333(495)2x-0.4x=20.8(496)1.5x+1.9x-2.1=55.7(497)x-2.9=4.2(498)0.2x-3.8=16(499)x+6.7=13.6(500)3.3x+4×4=22.6(501)15x-4×32=22(502)158-7x=60(503)14+1.2x=18.8(504)18+2x=32.4(505)3x+5x+8=216(506)10.5+7x=17.5(507)67x+82x+4.2=138.3(508)40x=16(509)34x÷17=0.8(510)9x+12x=168(511)17x-2x-44=76(512)9.7x-4.2x=27.5(513)105+5x=180(514)9x-6x+14=80(515)2x+2×14=120(516)78x-33x-3.5=32.5(517)19x-11x=32(518)3.7x+5.6x=74.4(519)x+6.6=7.2(520)9x-6x=33(521)2x÷20=0.5(522)x+67=70(523)4(20x+7)=188(524)5x=130(525)8.8x+1.3x+2.8=43.2(526)x-5.7=2.6(527)0.6x+1.8=9.6(528)19.2+0.4x=24.4(529)89x-5.7=12.1(530)6.8x+3.8x=137.8(531)1.4x+2.3=6.5(532)19x+11x+3=51(533)6(0.3x-2.7)=28.8(534)8.7-x=1.8(535)43x-21x+2.5=37.7(536)2x=13.6(537)x÷63=3(538)9.3-x=8.9(539)(13x+25)÷32=2(540)8(x+14)=192参考答案(1)x=19(2)x=18(3)x=61(4)x=16(5)x=9(6)x=2.5(7)x=21(8)x=126(9)x=19(10)x=26(11)x=44(12)x=1.9(13)x=0.4(14)x=1.4(15)x=0.5(16)x=24(17)x=1.2(18)x=87(19)x=25(20)x=8.9(21)x=4(22)x=7(23)x=15(24)x=9(25)x=5(26)x=79(27)x=9.1(28)x=2.3(29)x=3.1(30)x=4(31)x=13(32)x=35(33)x=72(34)x=3(35)x=6(36)x=13(37)x=8(38)x=3(39)x=6(40)x=3(41)x=8(42)x=13(43)x=4(44)x=7(45)x=45(46)x=30(47)x=12(48)x=5(49)x=21(50)x=29(51)x=2.2(52)x=19(53)x=65(54)x=10(55)x=0.8(56)x=2(57)x=1.5(58)x=16(59)x=50(60)x=4(61)x=4(62)x=23(63)x=30(64)x=11(65)x=11(66)x=35(67)x=2(68)x=4(69)x=30(70)x=7.6(71)x=3(72)x=15(73)x=8(74)x=57(75)x=0.6(76)x=14(77)x=1.8(78)x=1.4(79)x=120(80)x=2(81)x=2.2(82)x=4(83)x=19(84)x=9.4(85)x=0.3(86)x=24(87)x=9(88)x=0.2(89)x=50(90)x=98(91)x=10(92)x=9(93)x=10(94)x=17(95)x=9(96)x=2(97)x=5(98)x=6.2(99)x=4.5(100)x=1.1(101)x=11(102)x=2.2(103)x=25(104)x=0.4(105)x=47(106)x=5.4(107)x=0.9(108)x=7(109)x=8(110)x=7.8(111)x=0.9(112)x=19.4(113)x=21(114)x=70(115)x=4(116)x=9.7(117)x=5.8(118)x=22(119)x=8(120)x=5(121)x=10(122)x=0.6(123)x=6(124)x=6(125)x=9.2(126)x=18.9(127)x=4(128)x=4(129)x=94(130)x=44(131)x=32(132)x=8(133)x=1.1(134)x=5(135)x=5(136)x=13(137)x=9(138)x=23(139)x=16(140)x=1.4(141)x=11(142)x=2(143)x=9.4(144)x=28(145)x=82(146)x=20(147)x=3.3(148)x=18(149)x=52(150)x=10(151)x=3.7(152)x=0.4(153)x=60(154)x=3(155)x=2(156)x=69(157)x=18(158)x=1.6(159)x=5(160)x=6.3(161)x=0.5(162)x=0.6(163)x=6(164)x=83(165)x=13(166)x=2(167)x=17(168)x=5(169)x=63(170)x=12(171)x=0.3(172)x=5.6(173)x=81(174)x=10(175)x=57(176)x=7(177)x=63(178)x=3(179)x=9(180)x=0.3(181)x=13(182)x=4.9(183)x=9(184)x=2(185)x=99(186)x=0.4(187)x=72(188)x=4(189)x=20(190)x=35(191)x=4(192)x=36(193)x=57(194)x=2(195)x=9(196)x=16(197)x=0.5(198)x=6(199)x=0.2(200)x=3(201)x=15(202)x=1.6(203)x=53(204)x=3(205)x=55(206)x=42(207)x=32(208)x=25(209)x=5(210)x=12(211)x=12(212)x=6(213)x=0.3(214)x=2.2(215)x=20(216)x=3(217)x=3.9(218)x=0.3(219)x=4(220)x=10(221)x=5(222)x=7(223)x=0.8(224)x=1.8(225)x=12(226)x=31(227)x=4(228)x=15(229)x=0.2(230)x=4(231)x=13(232)x=9.4(233)x=1.4(234)x=7(235)x=17(236)x=99(237)x=4(238)x=2.7(239)x=12(240)x=12(241)x=2.2(242)x=0.4(243)x=10(244)x=3.7(245)x=22(246)x=3(247)x=80(248)x=9(249)x=2(250)x=0.9(251)x=2(252)x=8(253)x=7.8(254)x=2(255)x=2(256)x=7.9(257)x=184(258)x=6(259)x=1.6(260)x=63(261)x=18(262)x=8(263)x=5(264)x=2(265)x=99(266)x=7(267)x=0.7(268)x=3(269)x=3(270)x=26(271)x=7.5(272)x=1(273)x=21(274)x=9.5(275)x=0.9(276)x=4(277)x=18(278)x=5(279)x=17(280)x=9.4(281)x=19(282)x=6(283)x=20(284)x=146(285)x=21(286)x=11(287)x=66(288)x=86(289)x=4(290)x=1.8(291)x=6.1(292)x=4(293)x=13(294)x=2(295)x=10(296)x=22(297)x=1(298)x=48(299)x=23(300)x=7.1(301)x=3.1(302)x=9(303)x=18(304)x=12(305)x=4.5(306)x=1.1(307)x=8(308)x=2(309)x=21(310)x=2.3(311)x=13(312)x=28(313)x=1(314)x=12(315)x=30(316)x=0.6(317)x=78(318)x=19(319)x=1.3(320)x=56(321)x=8(322)x=17(323)x=5(324)x=2(325)x=30(326)x=2(327)x=0.6(328)x=16(329)x=15(330)x=39(331)x=8(332)x=13(333)x=13(334)x=32(335)x=24(336)x=11(337)x=19(338)x=2(339)x=11(340)x=66(341)x=0.2(342)x=0.2(343)x=9(344)x=13(345)x=8(346)x=4(347)x=2(348)x=0.9(349)x=21(350)x=4.2(351)x=9.1(352)x=7(353)x=24(354)x=22(355)x=44(356)x=0.8(357)x=0.9(358)x=2.9(359)x=5(360)x=1.3(361)x=9.9(362)x=17(363)x=7.6(364)x=2(365)x=11(366)x=7(367)x=4(368)x=71(369)x=2(370)x=4(371)x=0.2(372)x=36(373)x=0.5(374)x=28(375)x=5(376)x=12(377)x=2.1(378)x=9.1(379)x=21(380)x=16(381)x=11(382)x=7(383)x=76(384)x=7(385)x=13(386)x=18(387)x=12(388)x=0.9(389)x=44(390)x=1.3(391)x=24(392)x=1.4(393)x=22(394)