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)0.4x+0.6×7=12.6(2)x÷24=0.6(3)x+78=86(4)24x-4×1.2=14.4(5)6x-3x+43=58(6)9x-6x=39(7)2(17x-2)=64(8)0.9x-0.3×2=13.8(9)4.3x+6.5x=118.8(10)x+66=164(11)1.6x÷4=3.6(12)9x-22×4=20(13)4.2x=8.4(14)8÷x=1.6(15)102÷x=2(16)60x-52x-2.2=1(17)26x÷4=3.9(18)9x-6x+3=45(19)2(0.2x+1.2)=6(20)x-0.8=7.4(21)6.5x-3.9x+4=22.2(22)3.7+x=7.7(23)0.2x-4.5=12.3(24)56x-25x-2.3=34.9(25)4.4x-0.7x+3.8=40.8(26)8x=24(27)6.6x+0.2x=88.4(28)x÷26=0.2(29)x-30=55(30)x-12=74(31)10.1-2x=4.5(32)x÷4=10(33)5.2+x=6.6(34)16.7-0.4x=13.5(35)10x+19x-30=231(36)79x+2.2=18(37)0.2x+3.5=18.7(38)5(1.9x-8.1)=26(39)x+41=63(40)30x÷12=0.5(41)5.4+3x=23.4(42)7.4x-6.9x=2(43)x-5.4=3.8(44)44x+2.5=11.3(45)3x=27(46)126+61x=248(47)7.8x+3.3x=133.2(48)39x=156(49)1.8x-2=7(50)(0.9x-6.1)÷20=0.1(51)178+4x=366(52)3(1.3x-1.4)=3.6(53)9x+10=109(54)2x+1.8=5(55)132-21x=69(56)1.8x+1.5=6.9(57)10x=19(58)4.6x-1.1x+0.3=14.3(59)8+1.2x=23.6(60)6(3x+7)=150(61)7.2-0.2x=1.8(62)0.3x+4.5x+2.7=50.7(63)19x+29×0.3=27.7(64)6.1x+5x=177.6(65)0.4x+1.6x-1.7=60.3(66)19.4+77x=34.8(67)2x=126(68)x+8.2=15.4(69)5.8+40x=25.8(70)45÷x=5(71)19x+16x=105(72)149+74x=297(73)4x+7×22=318(74)32x=19.2(75)x÷87=2(76)3(3x+26)=105(77)15x-12x-7=14(78)x-0.5=3.6(79)15x-3×0.9=7.8(80)3x=12.3(81)4+x=71(82)17x+6x-3=227(83)8x-2×33=30(84)(0.5x+2.1)÷7=1.3(85)26x-39=65(86)5x-12×0.7=1.6(87)(15x+24)÷2=42(88)58x-36x+2.3=11.1(89)18x+93x+3.6=92.4(90)(3.1x-7.6)÷11=1(91)(3.1x+6.2)÷6=9.3(92)16+x=78(93)1.1x-0.7x=27.2(94)15x+13x+13=265(95)4.4+2.3x=20.5(96)x-1.2=3.9(97)(1.5x-8.8)÷2=3.1(98)16x+54x-2.4=81.6(99)2(x+6)=20(100)7.8x÷4=3.9(101)22x-2×8=182(102)8x+6x=210(103)11x+2×4.6=16.9(104)x+46=84(105)7x-2x=100(106)57-x=17(107)14x-4x=120(108)11x÷99=0.2(109)59+41x=141(110)2.4x-0.9×10=3(111)2x+6×1.5=13.8(112)x÷4=8(113)84x-29x-4.5=39.5(114)18x-10x-4=28(115)7x-5.1x=11.4(116)2.4x+0.2x+4.5=82.5(117)71x-8x-2.5=66.8(118)7.4x+5.4x+3.9=42.3(119)1.2x-0.9x+2.3=9.2(120)0.2x-2.8=6.2(121)28x÷10=1.4(122)x+3.3=6.9(123)94x-16x-3.3=43.5(124)1x+3.1=19.1(125)5x-0.7x+3.3=67.8(126)2.2÷x=1.1(127)13.6÷x=0.2(128)(4x+28)÷18=6(129)14x+1.4=5.6(130)10.2+6.5x=29.7(131)3(2x+4)=162(132)2x+8x+28=188(133)17x+22x+2.1=41.1(134)4(x+14)=160(135)7.5-x=1.7(136)(3x-24)÷4=9(137)46x+1.4=15.2(138)24÷x=6(139)14+0.2x=31(140)11x-7x-47=21(141)41x-28×0.3=3.9(142)4.1x+4.4=20.8(143)9x-2x-24=81(144)1.2x+3.9x-2.2=74.3(145)2x-3×0.5=4.9(146)6.4x+1.6x+0.8=72.8(147)55+x=105(148)7.4+x=14.4(149)13.2÷x=4.4(150)x+41=117(151)6-x=1.8(152)169+42x=337(153)x+6.2=7.2(154)54-x=17(155)x-2.5=6.9(156)3.6x-1.6x-1.7=6.3(157)24÷x=12(158)150-15x=105(159)8.1-x=7.2(160)0.3x+0.3×12=17.1(161)3.3+x=11.5(162)4.1x+3.5x+0.5=152.5(163)54x+13=175(164)0.9x-1.4×11=2.6(165)(15x-10)÷49=5(166)19.8-29x=11.1(167)87-x=66(168)34x÷4=17(169)5(3.4x-7.9)=45.5(170)195+8x=219(171)4(20x-40)=160(172)2.8x-1.6×8=4(173)8.1x-5.1x-1.1=10.9(174)17x-3x=112(175)x÷20=0.7(176)17.2+4x=36(177)130-2x=76(178)71+x=101(179)17x-10x+48=69(180)8.6-14x=1.6(181)7.2+7x=24(182)2(0.5x+2.9)=29.8(183)5x+6x-20=343(184)9x-9×3=162(185)28x+4×0.3=9.6(186)4(1.8x+2.9)=26(187)6x+19x+45=245(188)114-7x=16(189)x÷13=0.7(190)124-2x=74(191)0.3x-5.4=5.4(192)3.4x+5.5x-2.3=77.8(193)4x+7.3x=22.6(194)(5.7x-3.8)÷38=0.8(195)x-0.4=1.1(196)1.2x+3.9×5=31.5(197)8x-49=15(198)24x-28=20(199)8x+21=77(200)170÷x=10(201)0.7x-0.2x=43.5(202)2x÷3=44(203)8x-2×83=18(204)4x÷10=8(205)2x÷24=0.4(206)2x+0.4x-3.1=11.3(207)6x-3x-12=24(208)44x-33x-3.2=15.5(209)x÷67=0.2(210)4.4-0.2x=1.2(211)0.2x=1.6(212)x-0.4=6(213)17x-15x+38=56(214)2x+4×8=74(215)19x+13x+46=110(216)x+4.3=5.2(217)30x÷24=5(218)2.5x-1.4=8.6(219)10x-3x+4.9=50.4(220)34x-24x+3.4=24.4(221)181-4x=61(222)5.4x-2.9x+3.8=13.8(223)46x=13.8(224)10x+7x=34(225)21x+3×65=279(226)0.9x-0.3x-3.4=39.8(227)3.7x-2.7x-4.7=12.3(228)2(1.4x-8.6)=22(229)10.9-0.2x=1.5(230)138÷x=46(231)3.4x-2.9x+3.9=13.4(232)3x÷7=1.2(233)48x+4x-3.4=100.6(234)5(2x-38)=80(235)15.4÷x=0.7(236)45x-10=80(237)7(4x-28)=112(238)80x+84x-1=64.6(239)8x+14x=132(240)9.7x-3.5x-3.8=33.4(241)(8.9x+5.8)÷12=7.9(242)60x-23x+1.6=16.4(243)86-x=68(244)1x÷3=4(245)18.4-7x=4.4(246)(10x+5)÷5=23(247)2x+12x+6=216(248)66x+79x-0.9=158.6(249)44x+27x-4.6=23.8(250)29x-2.4=15(251)71-x=50(252)0.8x-0.3x=22(253)4.2x+2.6=11(254)(8x+18)÷11=22(255)6x-2x-17=103(256)x÷13=3(257)1.1x=6.6(258)1.3x=19.5(259)0.7x-1.3×5=1.9(260)85x=17(261)(10x-14)÷2=58(262)7.1-x=3(263)8x-3x+30=75(264)(6x+46)÷22=4(265)14x+17x+2=144.6(266)(0.2x+9.8)÷2=5.9(267)3x=0.6(268)(5.6x-0.8)÷22=2(269)9.4x+9x+1.9=93.9(270)18.4-0.5x=13.9(271)7x+2×54=136(272)4.1x=8.2(273)x+91=134(274)72-x=17(275)14x+3x+23=193(276)33x-3.6=12.9(277)14x-5x-7=110(278)10x-1.1=17.9(279)5+x=13.4(280)8x÷4=24(281)15x-55=20(282)2x+3×53=259(283)1.6x+3.3x-4.5=69(284)(14x-26)÷3=80(285)10x+44=204(286)15x+6x+1.1=133.4(287)2.3x+7.4x+1.7=118.1(288)5.6-x=5.1(289)2x+5×31=241(290)x÷12=1.6(291)20x÷5=36(292)17x-5x-11=109(293)7x-14=168(294)16x-8x+45=133(295)88+x=186(296)1.3x÷39=0.5(297)2(0.9x+2)=27.4(298)(7.5x+7.4)÷32=0.7(299)3x-3.5=8.5(300)4.8+x=6.3(301)12(14x-27)=180(302)15.6-0.4x=8.8(303)6x+3x-31=158(304)65+x=81(305)9.4-x=2.4(306)0.5x=1.5(307)0.5x+0.4×45=36(308)15x+27x+0.2=75.8(309)14x-4x=130(310)7.6+0.7x=14.6(311)2(0.3x+9)=37.8(312)43x-40x+4.8=8.7(313)2(x+28)=70(314)x+3.9=9.8(315)18.5+5x=25.5(316)4(4x+31)=156(317)11.2-4x=8(318)x-3.8=4.5(319)77-x=66(320)62x+56x+1.8=96.2(321)5x+7x=276(322)9-x=2.9(323)38x+17=169(324)2x÷18=1(325)17.1÷x=0.3(326)x÷8=1.6(327)3x-19=83(328)(2x+18)÷2=36(329)7(0.2x+5.1)=46.9(330)12.5÷x=2.5(331)(6.9x+5.1)÷7=9.6(332)58x+3.7=21.1(333)1.3x-1.9×5=6.1(334)4.2÷x=0.3(335)12x-2.3=14.5(336)1.9x-1.1x=36(337)3x+11x-10=158(338)56x-4.4=6.8(339)10(2.2x-0.7)=37(340)80x=160(341)(4x+34)÷2=33(342)7(3.3x-5)=11.2(343)3x+7x+4.8=74.8(344)(19x-29)÷20=9(345)8.2x-5.8x=7.2(346)16.9+0.6x=19.3(347)9x+6x+40=250(348)0.2x+2.1×2=6(349)3x-42×0.2=5.1(350)4x=176(351)x+70=151(352)x÷2=41(353)4.2x+6.5x=85.6(354)(2.6x-7.6)÷4=4.6(355)6x+4.4x+4.5=87.7(356)40x+17x+3.5=32(357)8x+7x=360(358)(9x+4.2)÷6=5.2(359)(4x-9.5)÷5=8.5(360)3x=12(361)1.6+30x=10.6(362)3x-6×0.2=2.1(363)190-22x=102(364)3.7x+0.8x=49.5(365)79+x=167(366)x÷7=18(367)5.3x+8.6x-2.7=39(368)8x÷4=36(369)3(5x-35)=30(370)85+x=150(371)3.7x+3.1×3=27.8(372)3÷x=0.3(373)x+2=38(374)x÷21=2(375)2x÷28=0.6(376)2.9x+1.9=16.4(377)0.8x-3.8=9.8(378)0.2x÷10=1.2(379)0.4x-1.3×4=8(380)5x-3x=66(381)4(2x-7)=164(382)(9x-5)÷13=19(383)7x-3x+27=115(384)7.4x-5.9x-1.3=6.2(385)(6x+26)÷41=4(386)42x÷6=1.4(387)2x=104(388)10x-3x=84(389)x-0.9=2.5(390)2(4x+7)=150(391)21x+16×0.7=23.8(392)13x-11x+17=37(393)x-74=21(394)130-13x=39(395)93+x=188(396)15x-6x=90(397)x-51=17(398)12.8-16x=4.8(399)7x=2.1(400)2(23x-26)=40(401)3x-51×3=30(402)2x-2×3=2(403)118+19x=175(404)9x-6x+24=72(405)x-54=27(406)4x+2.2=22.2(407)(2.9x-4.2)÷20=2.4(408)0.4x+2.4=8.4(409)x+7.1=11.1(410)3(x+34)=135(411)19.6+72x=34(412)2.7x-1.9x+1.6=31.2(413)14x-26×4=36(414)x÷4=0.7(415)21x÷14=12(416)2x+22=94(417)6x+9x-25=230(418)7.7-x=6.4(419)2x+6x-2.3=39.3(420)25x+44×0.2=21.3(421)(17x-41)÷11=21(422)2x-4×14=46(423)14+0.8x=27.6(424)x+8.1=14.7(425)5x+19x=168(426)5x+25×0.2=16(427)93-x=68(428)3(0.4x+4.8)=36(429)5x+5.6=11.6(430)61x-16x-2.6=46.9(431)0.3x+2.2x-1.8=85.7(432)165÷x=5(433)17.1-5x=11.1(434)3.6x+2.8×2=20(435)3x-10=131(436)3.8+x=12.3(437)0.2x=2.2(438)(16x-30)÷6=3(439)2x÷24=0.5(440)63÷x=7(441)0.5x+5.2=14.7(442)4.4+x=14.3(443)33x+27x+4.8=52.8(444)89-x=81(445)25x+1.6=21.6(446)74x=148(447)2x+3x-21=189(448)4x-3.7=11.5(449)3.5x-3.1x-4.3=4.9(450)x÷11=15(451)x÷5=3(452)2x+7×19=215(453)8.5-2.8x=2.9(454)7x+33=61(455)(4x-40)÷6=2(456)73+29x=131(457)48x+19x+4.8=31.6(458)4(5x-40)=140(459)12.7-35x=5.7(460)x-37=21(461)15x-2×22=61(462)12x=48(463)7x-4.9=10.5(464)1.3x-0.8x=21(465)8x+13x-16=236(466)9.3x-6.5x=11.2(467)8.9-0.2x=2.1(468)3x+14×7=212(469)1x+0.2×32=24.4(470)0.2x=1(471)7(0.3x-6.8)=44.8(472)59x-51x+2.8=15.6(473)12x+11x+32=147(474)(1.3x+2.1)÷9=1.1(475)6x+9×1.8=28.2(476)0.5x-4.5=14(477)x÷8=4(478)64x-60x+3.4=6.6(479)94x-52x-1.1=28.3(480)7.5x-4.7x-4.3=9.7(481)16x-10x-0.9=23.7(482)9x-5x-32=56(483)2x+13x=120(484)40x+20x-2.5=15.5(485)7.7-x=1.5(486)11x-4.3=1.2(487)3x+46=85(488)13x÷3=39(489)9x+4x-18=112(490)3.1x+2.4x-1.2=152.8(491)50x-5x+3.3=88.8(492)61x-32x+2.2=10.9(493)8.3x+4x-1.9=96.5(494)(8x+25)÷3=51(495)16x-9×0.6=10.6(496)4.8x+2.3x=120.7(497)x+8.9=15.8(498)2(0.7x-8.7)=7.8(499)11x-2x=135(500)78-3x=18(501)172÷x=4(502)x-84=12(503)11x+33=187(504)13.7-3x=5.3(505)1.4x+1.5×3=12.9(506)(9.8x+2.6)÷4=12.9(507)(1.7x-3.5)÷2=4.2(508)1.4x÷16=0.7(509)2.5x-1.9=13.1(510)2.4+0.8x=7.2(511)5.6x-0.6x+0.7=20.7(512)0.2x=15.8(513)20x÷15=0.8(514)x-3=37(515)1.8x-3.9=8.7(516)24x+29×0.5=24.1(517)11x+1.8=5.1(518)18.7-0.5x=4.2(519)3.3x-0.6×7=15.6(520)11x+7x+34=178(521)17.9+0.5x=22.9(522)x+8.3=11.9(523)2.2x÷66=0.2(524)7.4x+3.7x=88.8(525)15x+16x=310(526)6x+8×21=264(527)2x-15=11(528)2.6+27x=16.1(529)x+58=125(530)2(2x-2.3)=19.4(531)9.9x-7.6x-1.9=2.7(532)8x+21x-4.7=44.6(533)21x=14.7(534)3(1.6x+2.5)=21.9(535)4.2+x=7.1(536)55+20x=115(537)28x+10x-1.2=44.4(538)3.1x-1.4×3=5.1(539)x-17=34(540)2(0.2x+3.1)=21.4参考答案(1)x=21(2)x=14.4(3)x=8(4)x=0.8(5)x=5(6)x=13(7)x=2(8)x=16(9)x=11(10)x=98(11)x=9(12)x=12(13)x=2(14)x=5(15)x=51(16)x=0.4(17)x=0.6(18)x=14(19)x=9(20)x=8.2(21)x=7(22)x=4(23)x=84(24)x=1.2(25)x=10(26)x=3(27)x=13(28)x=5.2(29)x=85(30)x=86(31)x=2.8(32)x=40(33)x=1.4(34)x=8(35)x=9(36)x=0.2(37)x=76(38)x=7(39)x=22(40)x=0.2(41)x=6(42)x=4(43)x=9.2(44)x=0.2(45)x=9(46)x=2(47)x=12(48)x=4(49)x=5(50)x=9(51)x=47(52)x=2(53)x=11(54)x=1.6(55)x=3(56)x=3(57)x=1.9(58)x=4(59)x=13(60)x=6(61)x=27(62)x=10(63)x=1(64)x=16(65)x=31(66)x=0.2(67)x=63(68)x=7.2(69)x=0.5(70)x=9(71)x=3(72)x=2(73)x=41(74)x=0.6(75)x=174(76)x=3(77)x=7(78)x=4.1(79)x=0.7(80)x=4.1(81)x=67(82)x=10(83)x=12(84)x=14(85)x=4(86)x=2(87)x=4(88)x=0.4(89)x=0.8(90)x=6(91)x=16(92)x=62(93)x=68(94)x=9(95)x=7(96)x=5.1(97)x=10(98)x=1.2(99)x=4(100)x=2(101)x=9(102)x=15(103)x=0.7(104)x=38(105)x=20(106)x=40(107)x=12(108)x=1.8(109)x=2(110)x=5(111)x=2.4(112)x=32(113)x=0.8(114)x=4(115)x=6(116)x=30(117)x=1.1(118)x=3(119)x=23(120)x=45(121)x=0.5(122)x=3.6(123)x=0.6(124)x=16(125)x=15(126)x=2(127)x=68(128)x=20(129)x=0.3(130)x=3(131)x=25(132)x=16(133)x=1(134)x=26(135)x=5.8(136)x=20(137)x=0.3(138)x=4(139)x=85(140)x=17(141)x=0.3(142)x=4(143)x=15(144)x=15(145)x=3.2(146)x=9(147)x=50(148)x=7(149)x=3(150)x=76(151)x=4.2(152)x=4(153)x=1(154)x=37(155)x=9.4(156)x=4(157)x=2(158)x=3(159)x=0.9(160)x=45(161)x=8.2(162)x=20(163)x=3(164)x=20(165)x=17(166)x=0.3(167)x=21(168)x=2(169)x=5(170)x=3(171)x=4(172)x=6(173)x=4(174)x=8(175)x=14(176)x=4.7(177)x=27(178)x=30(179)x=3(180)x=0.5(181)x=2.4(182)x=24(183)x=33(184)x=21(185)x=0.3(186)x=2(187)x=8(188)x=14(189)x=9.1(190)x=25(191)x=36(192)x=9(193)x=2(194)x=6(195)x=1.5(196)x=10(197)x=8(198)x=2(199)x=7(200)x=17(201)x=87(202)x=66(203)x=23(204)x=20(205)x=4.8(206)x=6(207)x=12(208)x=1.7(209)x=13.4(210)x=16(211)x=8(212)x=6.4(213)x=9(214)x=21(215)x=2(216)x=0.9(217)x=4(218)x=4(219)x=6.5(220)x=2.1(221)x=30(222)x=4(223)x=0.3(224)x=2(225)x=4(226)x=72(227)x=17(228)x=14(229)x=47(230)x=3(231)x=19(232)x=2.8(233)x=2(234)x=27(235)x=22(236)x=2(237)x=11(238)x=0.4(239)x=6(240)x=6(241)x=10(242)x=0.4(243)x=18(244)x=12(245)x=2(246)x=11(247)x=15(248)x=1.1(249)x=0.4(250)x=0.6(251)x=21(252)x=44(253)x=2(254)x=28(255)x=30(256)x=39(257)x=6(258)x=15(259)x=12(260)x=0.2(261)x=13(262)x=4.1(263)x=9(264)x=7(265)x=4.6(266)x=10(267)x=0.2(268)x=8(269)x=5(270)x=9(271)x=4(272)x=2(273)x=43(274)x=55(275)x=10(276)x=0.5(277)x=13(278)x=1.9(279)x=8.4(280)x=12(281)x=5(282)x=50(283)x=15(284)x=19(285)x=16(286)x=6.3(287)x=12(288)x=0.5(289)x=43(290)x=19.2(291)x=9(292)x=10(293)x=26(294)x=11(295)x=98(296)x=15(297)x=13(298)x=2(299)x=4(300)x=1.5(301)x=3(302)x=17(303)x=21(304)x=16(305)x=7(306)x=3(307)x=36(308)x=1.8(309)x=13(310)x=10(311)x=33(312)x=1.3(313)x=7(314)x=5.9(315)x=1.4(316)x=2(317)x=0.8(318)x=8.3(319)x=11(320)x=0.8(321)x=23(322)x=6.1(323)x=4(324)x=9(325)x=57(326)x=12.8(327)x=34(328)x=27(329)x=8(330)x=5(331)x=9(332)x=0.3(333)x=12(334)x=14(335)x=1.4(336)x=45(337)x=12(338)x=0.2(339)x=2(340)x=2(341)x=8(342)x=2(343)x=7(344)x=11(345)x=3(346)x=4(347)x=14(348)x=9(349)x=4.5(350)x=44(351)x=81(352)x=82(353)x=8(354)x=10(355)x=8(356)x=0.5(357)x=24(358)x=3(359)x=13(360)x=4(361)x=0.3(362)x=1.1(363)x=4(364)x=11(365)x=88(366)x=126(367)x=3(368)x=18(369)x=9(370)x=65(371)x=5(372)x=10(373)x=36(374)x=42(375)x=8.4(376)x=5(377)x=17(378)x=60(379)x=33(380)x=33(381)x=24(382)x=28(383)x=22(384)x=5(385)x=23(386)x=0.2(387)x=52(388)x=12(389)x=3.4(390)x=17(391)x=0.6(392)x=10(393)x=95(394)x=7