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)60-x=22(2)x-39=12(3)24x-5x+0.4=4.2(4)24x=72(5)0.2x=6.6(6)x+3.4=11.1(7)2(10x+24)=148(8)1.4x÷2=4.2(9)x+0.3=5.3(10)5x+46=131(11)3x-43=98(12)3(4x-21)=81(13)15x-10x-4=31(14)4(1.4x+2.4)=32(15)10x-24=146(16)5x-2x+25=142(17)x-1.9=7.1(18)3.1x-1×3=9.4(19)30x-2x-2.3=76.1(20)15.3+0.9x=18(21)19.1+11x=31.2(22)37x-4.2=14.3(23)27x-11×0.7=3.1(24)47x-52=89(25)x÷14=1.2(26)x+98=102(27)8.6-x=6.6(28)7.9-x=7.6(29)5x=190(30)3.8x+5.7x+1.9=68.4(31)4x+12x+13=253(32)5x-2x+44=95(33)10(2x-39)=170(34)79x-41x-2.7=12.5(35)17x=8.5(36)90x-72x+2.2=18.4(37)(8.2x-2)÷2=40(38)(8x+24)÷8=22(39)4x+9×11=127(40)186+4x=250(41)x÷29=6(42)(1.1x-1.8)÷9=2(43)8.1+x=11.1(44)18.7÷x=1.7(45)0.7x+1.1x-1.8=154.8(46)6.1+8x=22.9(47)8.5x-7.1x=4.2(48)67x=13.4(49)x÷25=0.4(50)15x+13x=168(51)5x+5×2.8=18.5(52)3x+2x-27=188(53)(14x-12)÷4=53(54)4x-8×13=80(55)x-53=30(56)17.2÷x=0.4(57)x-45=47(58)7x-14=63(59)0.4x+3.3=6.1(60)3x+4x+26=236(61)6.6x-3.7x=14.5(62)26x=15.6(63)144÷x=24(64)9x-43×0.4=1.7(65)19x-6x+4=56(66)(11x+13)÷13=23(67)189÷x=7(68)x-7=49(69)(9x+6)÷5=15.6(70)152÷x=4(71)87+x=142(72)13x=11.7(73)2(1.5x-0.7)=13.6(74)14x+13x+17=179(75)7(0.6x-7.7)=30.1(76)2.2+x=12(77)9.2+x=18.8(78)89x+79x+2.6=53(79)7x+14x+7=133(80)2.7x-1.2x-0.9=14.1(81)10x+19×0.6=22.4(82)11x-8x=15(83)4(2x-18)=104(84)1.4x+1.1x=45(85)10+25x=30(86)(7.1x-5.8)÷2=32.6(87)13x-11x=28(88)x÷37=0.2(89)(16x+10)÷22=7(90)1.1x-0.3×48=1(91)6x+3x=54(92)(19x+41)÷4=34(93)182-4x=170(94)19x-5.8=7.5(95)96-6x=72(96)2(0.3x+9.5)=42.4(97)25x-5×18=10(98)5x+35=225(99)13x-9x=40(100)0.4x+4.2×3=13.4(101)6x+20x-1.7=123.1(102)2.9x-1.4x+4.6=28.6(103)2x-2.7=14.7(104)4(4.1x-7.3)=36.4(105)4x+2.3x+3.2=66.2(106)146+14x=202(107)15(x-29)=180(108)8.9x-3.5x=48.6(109)x÷11=2(110)x÷5=1.2(111)9.7x-2.3=17.1(112)17x-7x-14=86(113)60÷x=12(114)64-x=34(115)9x+10x+39=286(116)0.4x=4.8(117)0.7x÷10=1.4(118)1.5x-1.5×5=12(119)140-6x=68(120)6.8+x=10.5(121)4.1x+5.2x=167.4(122)5.9-x=5.7(123)5x÷2=25(124)(18x+45)÷29=9(125)3x-26×6=42(126)22x-11×14=44(127)3.7-x=3.5(128)2(3.1x+1.3)=15(129)25x=200(130)0.3x+4=9.7(131)7.4+x=10.3(132)10x+44x+0.4=81.4(133)108÷x=27(134)9.9x-7.4x+4.7=12.2(135)5x÷10=18(136)102+22x=146(137)11.1-5x=6.6(138)1.5x-0.5x-0.3=54.7(139)3+x=16(140)3.4x+0.5×30=28.6(141)44x÷12=11(142)2.4x+2.6×7=23(143)16.1÷x=2.3(144)20÷x=5(145)33÷x=3(146)31x-18x+2.5=9(147)6x+44×0.3=29.4(148)10.7+48x=20.3(149)9x=9(150)15.5-0.2x=2.3(151)11x-8x+19=61(152)18x+2x=140(153)7(2x-36)=154(154)56x+54x-1.3=97.7(155)2x÷36=0.5(156)192÷x=12(157)13.7-4x=6.9(158)(0.5x+9.6)÷2=9.3(159)11(x+2)=176(160)(13x+49)÷2=70(161)11x+3×12=223(162)134-6x=80(163)2x+25×8=246(164)7x+10x-48=241(165)1.1x÷44=0.2(166)6x÷3=0.4(167)27+4x=191(168)20x÷30=0.2(169)1.5x+1.3x+2.8=176.4(170)3.1x+5.3x+1.3=60.1(171)17x-56=131(172)4.2+x=11.1(173)4.9x+4.1x=108(174)2.3x-2.1x-3.9=1.9(175)12+x=76(176)0.9x-3=15(177)8x+9.5x-0.5=52(178)88x=176(179)(0.2x+1.8)÷6=0.8(180)0.6x=13.2(181)87+x=144(182)x-17=31(183)x+6.2=7.7(184)43+x=78(185)99-x=52(186)50x÷5=4(187)x+3.1=5.7(188)x-8=63(189)0.3x+2.9×2=6.4(190)7x-3x-42=42(191)6x+4x-4.6=145.4(192)0.8x-2.3×7=3.1(193)64x÷8=1.6(194)x-4=1.1(195)x÷4=0.3(196)x-2.9=6.1(197)6x÷13=12(198)8.3x+1.7x+4.4=124.4(199)3.2+0.4x=9.2(200)14.4-4x=11.2(201)1.5x+6.6x+0.2=24.5(202)3x+5.1x-3.6=85.5(203)2x=190(204)6x÷36=5(205)6.1x-0.2x+0.4=53.5(206)60-x=56(207)(8.1x+2.8)÷4=25(208)15.9-1.1x=4.9(209)11x+3x-13=197(210)x-6.2=3.2(211)3x+31×0.4=21.7(212)3.7x-2.7x=4(213)x-1.5=7.4(214)2(6.4x+3.6)=45.6(215)6(0.6x+0.5)=31.8(216)9.6x+3.1x-0.9=126.1(217)20x+26x+2.2=20.6(218)19x-3×12=59(219)1.5-x=1.1(220)3.3x+6.2x-1.9=74.1(221)(1.8x-2.5)÷13=0.5(222)(3.6x-2.4)÷3=12.4(223)0.3x=2.7(224)14x+13x=324(225)(x-7.6)÷11=0.4(226)8.1x+7.2x+2.4=170.7(227)(14x-14)÷3=56(228)6.2x-1.5x=32.9(229)79-22x=35(230)95x+55=245(231)2.3x-0.6x=54.4(232)6.7-5x=1.2(233)14.7-1.8x=2.1(234)2x÷12=6(235)17x-10x+10=45(236)14.1+4.6x=23.3(237)48x+3.7=22.9(238)2.7+0.3x=12.9(239)15+x=88(240)x+68=98(241)13.9-5x=5.4(242)5x-3x+3=20(243)3(x+22)=123(244)3x-3×1.8=3.9(245)43x-8x+1.7=54.2(246)3.4x+2=12.2(247)13x+9x-7=59(248)x÷2=29(249)38x-35x-3=1.2(250)17.7-5x=2.7(251)47x+93x-3.5=24.5(252)7x+3x+18=188(253)9+x=11.6(254)7x÷5=1.4(255)94x+28x+4.3=114.1(256)x+97=100(257)16-2x=11.4(258)7.8-x=6.7(259)5.4-x=3.4(260)42x-3x-1.5=21.9(261)(6.3x+2.8)÷11=1.4(262)7x+41=195(263)0.9x=18(264)4.5+15x=21(265)7(0.2x-2)=14(266)0.4x-3.6×2=1.2(267)x+8.1=15.3(268)5x+15x=120(269)6(x+8)=66(270)2x+40=148(271)x+56=60(272)12x+18x=90(273)16x-16=144(274)86-9x=32(275)2(1.5x+5.5)=44(276)4x-2.5=15.5(277)9x+8x+35=205(278)3(1.6x+3.9)=21.3(279)4.6x+5.2x=117.6(280)75-x=15(281)2.3x+1×20=36.1(282)19x-16x+46=73(283)4(0.3x+3.9)=37.2(284)10x+1.2=14.2(285)9x+2×9=171(286)64x+1=20.2(287)x+11=91(288)2(0.4x-9)=13.2(289)4.8x-4.3x+0.9=7.9(290)11x+8x-37=134(291)39x+2.8=10.6(292)25x+16=216(293)0.2x+2.3×2=14.4(294)19x-4x-18=132(295)6x-4x=36(296)13+x=54(297)(1.7x+8.2)÷16=2(298)18x+3×11=87(299)x÷28=0.3(300)3(11x-22)=165(301)6x+7x-24=15(302)3x÷36=0.5(303)x÷10=0.4(304)30x-2×0.8=7.4(305)9.6x-5.1x-2.1=38.4(306)9.4+86x=26.6(307)3.5x-1.7x=3.6(308)57x+54x+4.6=171.1(309)14-x=12(310)2(x-5.2)=17.6(311)30x+99x-1.2=102(312)x÷15=5(313)x-25=41(314)x-3=5.8(315)19x÷5=38(316)x-1.8=1.5(317)47x=9.4(318)0.5x+2.9=6.9(319)12.2-0.2x=8.2(320)19x-9x-29=11(321)12x-5x+31=122(322)0.5x-0.2×30=9(323)4.2÷x=2.1(324)62x-3x-1.4=87.1(325)14x-8x=30(326)x÷3=16(327)4.6x-2.5x-2.1=35.7(328)16x-1=7(329)8x+18x-4=81.8(330)8x-12×9=92(331)x+1.1=3.3(332)3.8x+1.7x-4.3=127.7(333)0.6x-3.9=13.5(334)3.9x-1.2x-3.3=48(335)x+4.5=11.2(336)22x+4.9=24.7(337)18.4÷x=0.4(338)x÷7=17(339)x÷11=0.3(340)14x-8x-45=15(341)1.3x-1.3×3=10.4(342)(16x-40)÷4=34(343)39x-18=138(344)17.8-0.2x=14.6(345)0.6x+0.7×14=21.8(346)0.5x+3.1=18.6(347)3.1x=18.6(348)19x=76(349)2x=104(350)10x-5x-4.7=31.3(351)16x=11.2(352)2x-2×50=18(353)(8.4x-5.2)÷2=31(354)15x-6x-28=17(355)2.1x=10.5(356)4x+11x=75(357)7.7-0.3x=6.5(358)1.4x+1×9=14.6(359)0.2x-3.9=1.3(360)35-x=20(361)3x+4x=231(362)0.3x=16.8(363)18x+36x-0.7=118.1(364)34x+94x+3.6=67.6(365)3x+5×21=273(366)2.8x-0.6x+1.1=47.3(367)0.3x÷24=0.8(368)1.2x-0.3×9=16.5(369)64x+48x+1=68.2(370)2(27x-44)=74(371)18.7-0.2x=3.5(372)13x+3.9=16.9(373)6(3x-47)=132(374)x÷12=4(375)9.4x+8.2x=123.2(376)2(9x+37)=146(377)92-41x=10(378)6x+2×75=312(379)3x=96(380)3.3-0.6x=2.1(381)x+46=97(382)6x+3.2=21.2(383)10x-5x=90(384)19x-2x+10=95(385)3.1x-2x+2.5=16.8(386)5x+6x-24=130(387)51x+49x+3.2=123.2(388)2x=19(389)2.7+x=10.1(390)22x-3.2=7.8(391)122+7x=241(392)26x-3x-3.9=7.6(393)26x-8x+4.8=37.2(394)0.8x=3.2(395)13.3+2x=31.3(396)3x-2×3.9=2.7(397)2x-5×0.7=1.3(398)4x÷16=0.6(399)54x-7x-3.4=10.7(400)9.9x-8.4x-3.3=7.2(401)(4.9x-6.2)÷2=41(402)2x÷4=11(403)11x-6x-38=27(404)20x-5.4=10.6(405)(6x-36)÷4=6(406)1.9x+3.1=16.4(407)6x+2.7=8.1(408)(4.7x+3.1)÷2=32.1(409)x÷3=1.2(410)3x+11x=140(411)7.3x-5.2x+3.2=7.4(412)14x=56(413)9.7-x=8(414)133+2x=139(415)(6.2x+3.6)÷6=6.8(416)18x-3x=165(417)x+12=88(418)(15x-12)÷7=9(419)4(6.5x-9.4)=14.4(420)15(5.8x-9.8)=27(421)7(10x-15)=105(422)3.7x+3.2=14.3(423)21x-11x+1.1=4.1(424)19.8÷x=0.2(425)67-x=12(426)17.1+0.6x=32.7(427)(5x-4)÷2=58(428)x+95=116(429)4.2÷x=0.6(430)2x+48=164(431)114-5x=59(432)11x-6x-37=13(433)5.1x+4.8x=148.5(434)6x+3x-13=95(435)0.2x-4.6=13.6(436)178+4x=334(437)5x+22×0.8=30.6(438)x+8=102(439)8x-4x+19=103(440)4.4x+0.9x-1.4=78.1(441)10x=2(442)x-29=31(443)2.8x+2.1×7=28.7(444)16x+14x+45=405(445)2.1x+5.5x+1=92.2(446)10x+20=160(447)38x+27x-3.8=132.7(448)4.6+x=10.8(449)9.1x-2.9x=24.8(450)0.4x+9.1x=28.5(451)3.9x+4.7x-1.3=84.7(452)0.3x+2.6=4.1(453)x+2.1=2.3(454)4x÷70=2(455)2x-32=76(456)0.2x+1.7=12.5(457)0.3x-3.6=7.8(458)(3.9x-3.6)÷8=5.4(459)2x+9x-44=132(460)3x+13x=80(461)(18x+42)÷2=39(462)(11x-49)÷39=1(463)2(13x+42)=162(464)3.1x-2.5x=14.4(465)3(x+8)=60(466)3x+5×2.1=20.7(467)6(x+8)=96(468)x-4.7=4.8(469)6(0.2x+0.7)=47.4(470)18x+12x+11=341(471)33+30x=93(472)8.8+13x=23.1(473)(8x-27)÷25=5(474)2.4x÷12=0.6(475)2x+26=128(476)3x-3=7.8(477)3.8x÷76=0.2(478)27x+9x-3.9=86.1(479)23x-5x-3.1=4.1(480)47+16x=223(481)x-3.3=2.2(482)2.7+2.9x=11.4(483)7.5x-3.8x-4.3=40.1(484)9x-4.9=13.1(485)10÷x=0.4(486)3x+2×68=220(487)62-x=45(488)1.3x÷2=2.6(489)x+5.5=6.3(490)41x+44×0.3=25.5(491)7.2x-2x-2.2=34.2(492)(3x-12)÷3=23(493)x÷17=6(494)17.6+0.6x=27.2(495)3(x+34)=138(496)23x+3=14.5(497)(14x+48)÷47=4(498)4.5x+2.6x=49.7(499)1.5x-4.6=5.9(500)(2x+26)÷2=40(501)9x+41×3=321(502)40x-4×0.5=6(503)33x-2x+1=22.7(504)4.3+93x=22.9(505)58x-14x+4=39.2(506)x-68=18(507)9x-6×0.3=10.8(508)30x-38=112(509)0.5x-1=4.5(510)3x-1.2=6.9(511)8.9-6x=7.1(512)9(1.2x-0.3)=29.7(513)x÷23=7(514)18.7+4x=29.1(515)18x-14×6=24(516)17x+74x+4.8=59.4(517)20x-22×7=26(518)15x-13x=22(519)36+x=81(520)4.8x-2.6x+3=33.8(521)(1.6x+3.2)÷32=0.9(522)16-2x=4.4(523)9.6÷x=0.6(524)4x-2x=28(525)2x+7x-4.5=7.2(526)16x÷4=0.8(527)196-14x=56(528)0.8x÷2=4.8(529)3+x=51(530)6.2-x=4.5(531)3.5x+0.2x+0.4=30(532)30x÷4=1.5(533)35x+8×2.1=27.3(534)6.2+1x=19.2(535)0.2x-0.2×17=1.2(536)4x-5×2.4=4.8(537)14.4-38x=6.8(538)24÷x=2(539)10x+16×0.2=8.2(540)0.4x-0.2x+3.2=22.8参考答案(1)x=38(2)x=51(3)x=0.2(4)x=3(5)x=33(6)x=7.7(7)x=5(8)x=6(9)x=5(10)x=17(11)x=47(12)x=12(13)x=7(14)x=4(15)x=17(16)x=39(17)x=9(18)x=4(19)x=2.8(20)x=3(21)x=1.1(22)x=0.5(23)x=0.4(24)x=3(25)x=16.8(26)x=4(27)x=2(28)x=0.3(29)x=38(30)x=7(31)x=15(32)x=17(33)x=28(34)x=0.4(35)x=0.5(36)x=0.9(37)x=10(38)x=19(39)x=7(40)x=16(41)x=174(42)x=18(43)x=3(44)x=11(45)x=87(46)x=2.1(47)x=3(48)x=0.2(49)x=10(50)x=6(51)x=0.9(52)x=43(53)x=16(54)x=46(55)x=83(56)x=43(57)x=92(58)x=11(59)x=7(60)x=30(61)x=5(62)x=0.6(63)x=6(64)x=2.1(65)x=4(66)x=26(67)x=27(68)x=56(69)x=8(70)x=38(71)x=55(72)x=0.9(73)x=5(74)x=6(75)x=20(76)x=9.8(77)x=9.6(78)x=0.3(79)x=6(80)x=10(81)x=1.1(82)x=5(83)x=22(84)x=18(85)x=0.8(86)x=10(87)x=14(88)x=7.4(89)x=9(90)x=14(91)x=6(92)x=5(93)x=3(94)x=0.7(95)x=4(96)x=39(97)x=4(98)x=38(99)x=10(100)x=2(101)x=4.8(102)x=16(103)x=8.7(104)x=4(105)x=10(106)x=4(107)x=41(108)x=9(109)x=22(110)x=6(111)x=2(112)x=10(113)x=5(114)x=30(115)x=13(116)x=12(117)x=20(118)x=13(119)x=12(120)x=3.7(121)x=18(122)x=0.2(123)x=10(124)x=12(125)x=66(126)x=9(127)x=0.2(128)x=2(129)x=8(130)x=19(131)x=2.9(132)x=1.5(133)x=4(134)x=3(135)x=36(136)x=2(137)x=0.9(138)x=55(139)x=13(140)x=4(141)x=3(142)x=2(143)x=7(144)x=4(145)x=11(146)x=0.5(147)x=2.7(148)x=0.2(149)x=1(150)x=66(151)x=14(152)x=7(153)x=29(154)x=0.9(155)x=9(156)x=16(157)x=1.7(158)x=18(159)x=14(160)x=7(161)x=17(162)x=9(163)x=23(164)x=17(165)x=8(166)x=0.2(167)x=41(168)x=0.3(169)x=62(170)x=7(171)x=11(172)x=6.9(173)x=12(174)x=29(175)x=64(176)x=20(177)x=3(178)x=2(179)x=15(180)x=22(181)x=57(182)x=48(183)x=1.5(184)x=35(185)x=47(186)x=0.4(187)x=2.6(188)x=71(189)x=2(190)x=21(191)x=15(192)x=24(193)x=0.2(194)x=5.1(195)x=1.2(196)x=9(197)x=26(198)x=12(199)x=15(200)x=0.8(201)x=3(202)x=11(203)x=95(204)x=30(205)x=9(206)x=4(207)x=12(208)x=10(209)x=15(210)x=9.4(211)x=3.1(212)x=4(213)x=8.9(214)x=3(215)x=8(216)x=10(217)x=0.4(218)x=5(219)x=0.4(220)x=8(221)x=5(222)x=11(223)x=9(224)x=12(225)x=12(226)x=11(227)x=13(228)x=7(229)x=2(230)x=2(231)x=32(232)x=1.1(233)x=7(234)x=36(235)x=5(236)x=2(237)x=0.4(238)x=34(239)x=73(240)x=30(241)x=1.7(242)x=8.5(243)x=19(244)x=3.1(245)x=1.5(246)x=3(247)x=3(248)x=58(249)x=1.4(250)x=3(251)x=0.2(252)x=17(253)x=2.6(254)x=1(255)x=0.9(256)x=3(257)x=2.3(258)x=1.1(259)x=2(260)x=0.6(261)x=2(262)x=22(263)x=20(264)x=1.1(265)x=20(266)x=21(267)x=7.2(268)x=6(269)x=3(270)x=54(271)x=4(272)x=3(273)x=10(274)x=6(275)x=11(276)x=4.5(277)x=10(278)x=2(279)x=12(280)x=60(281)x=7(282)x=9(283)x=18(284)x=1.3(285)x=17(286)x=0.3(287)x=80(288)x=39(289)x=14(290)x=9(291)x=0.2(292)x=8(293)x=49(294)x=10(295)x=18(296)x=41(297)x=14(298)x=3(299)x=8.4(300)x=7(301)x=3(302)x=6(303)x=4(304)x=0.3(305)x=9(306)x=0.2(307)x=2(308)x=1.5(309)x=2(310)x=14(311)x=0.8(312)x=75(313)x=66(314)x=8.8(315)x=10(316)x=3.3(317)x=0.2(318)x=8(319)x=20(320)x=4(321)x=13(322)x=30(323)x=2(324)x=1.5(325)x=5(326)x=48(327)x=18(328)x=0.5(329)x=3.3(330)x=25(331)x=2.2(332)x=24(333)x=29(334)x=19(335)x=6.7(336)x=0.9(337)x=46(338)x=119(339)x=3.3(340)x=10(341)x=11(342)x=11(343)x=4(344)x=16(345)x=20(346)x=31(347)x=6(348)x=4(349)x=52(350)x=7.2(351)x=0.7(352)x=59(353)x=8(354)x=5(355)x=5(356)x=5(357)x=4(358)x=4(359)x=26(360)x=15(361)x=33(362)x=56(363)x=2.2(364)x=0.5(365)x=56(366)x=21(367)x=64(368)x=16(369)x=0.6(370)x=3(371)x=76(372)x=1(373)x=23(374)x=48(375)x=7(376)x=4(377)x=2(378)x=27(379)x=32(380)x=2(381)x=51(382)x=3(383)x=18(384)x=5(385)x=13(386)x=14(387)x=1.2(388)x=9.5(389)x=7.4(390)x=0.5(391)x=17(392)x=0.5(393)x=1.8(394)x=4(395)x=9(3