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)0.3x+1=1.6(2)11.8÷x=0.2(3)(8.9x+7)÷2=21.3(4)69x+43x-1.9=98.9(5)x÷3=35(6)(5.3x+2.4)÷38=0.9(7)4(0.8x+1.3)=40.4(8)89x-2.6=15.2(9)7(x+1)=21(10)19.4+8x=37.8(11)13x=7.8(12)4.8x+4.9=19.3(13)1.7x+1.4×11=23.9(14)153+2x=285(15)18x=72(16)3(1.5x-0.4)=16.8(17)159÷x=3(18)6.9x-5x-3.6=2.1(19)45x-30x-1.5=7.5(20)17x-6x+12=34(21)8x+58=82(22)x-4.1=5.3(23)13x-5x+6=86(24)98-x=27(25)9x-5x=64(26)8.4x-1.5x+2.3=64.4(27)x÷4=24(28)x÷13=0.6(29)186+2x=246(30)11x+42×0.3=25.8(31)14x-16×2=122(32)8x+7x=195(33)2x+34×2=156(34)41x+42=124(35)9x+83x+1=74.6(36)9x+2.6=17(37)84x-23x+1.9=14.1(38)x÷93=2(39)4.5-x=1.8(40)x-11=24(41)6-0.2x=1.6(42)3.3-x=3.1(43)20x+45×0.3=25.5(44)7.5x=15(45)93+x=163(46)67x-1.2=12.2(47)116+3x=230(48)195÷x=15(49)0.5x+6.7x=50.4(50)x+9.1=13.8(51)2.5x+0.9x=112.2(52)0.5x÷45=0.3(53)3x-9×0.7=6.9(54)(1.9x+9.9)÷27=1(55)3x+5.1x-2.8=118.7(56)3x÷9=1.3(57)15.1-70x=1.1(58)7x-3x=84(59)(7x-33)÷4=25(60)(6.1x+3.4)÷5=8(61)6(0.4x-3.5)=10.2(62)5x-31=119(63)2.9x+1.5x+1.9=120.7(64)x÷26=4(65)32x+9x-4.9=40.2(66)(5.6x-7.7)÷35=0.1(67)29x-17×2=53(68)2.3x-1.2x=4.4(69)8x-4.3=14.9(70)x+40=60(71)x+34=94(72)16.7-0.5x=15.2(73)1.9x+4=9.7(74)x-65=11(75)130-8x=98(76)59x+1.3=13.1(77)x-2=73(78)x-1.7=2.4(79)0.2x=0.4(80)x+8.8=9.6(81)0.6x÷5=3.6(82)0.3x+3.2×5=23.5(83)12x+14x-2.9=134.9(84)3(0.8x-3.3)=40.5(85)19.8+10x=37.8(86)75x+50x-0.5=62(87)(7x-11)÷2=89(88)0.7x-0.5x+3.4=15.2(89)14.1-0.9x=3.3(90)19x+5x-11=61(91)0.2x+2.9×6=24(92)7x+9x+6=262(93)x÷4=0.4(94)1.1x+1.4x+0.7=65.7(95)28x-13x+2.3=23.3(96)x-42=21(97)61x+48x-4.3=170.1(98)81x+77x+1.7=175.5(99)4x-2x-20=38(100)3.3-x=1.4(101)3.2+x=10.6(102)x+1.3=3.8(103)6x+9x-15=30(104)14x+9x+9=124(105)0.7x=9.1(106)8x-4x+32=100(107)(8.8x-4)÷32=1.8(108)172-28x=88(109)0.5x+1.1×3=9.3(110)6x+5x+3.9=27(111)x÷6=0.5(112)(14x+18)÷2=107(113)2(4x-8)=64(114)35x÷5=21(115)11x+25×0.5=21.3(116)8.2+x=14.2(117)17.2-2x=1.6(118)7.6x+3.6x-0.6=55.4(119)14.2-23x=5(120)(4.2x+5.6)÷14=4.3(121)7x+6.1x=52.4(122)52x+19x+0.7=100.1(123)1.5x÷5=0.9(124)3x+6.9x-0.8=28.9(125)1.7x-1.5x+2.4=8.8(126)10x-4x+32=116(127)x÷46=4(128)63x-57=69(129)x+3.1=10.2(130)24x-5.6=8.8(131)3(16x-7)=171(132)11x+15x=104(133)0.7x=3.5(134)7x=4.2(135)9(1.5x-1.3)=28.8(136)0.5x+1.9=16.9(137)6x-14=88(138)6x+9×12=300(139)3.3x-3.3=6.6(140)16x-7x=36(141)13x+2.6=19.5(142)87x+62x+4=108.3(143)x-35=42(144)12x-3x=18(145)0.2x÷4=4.6(146)4.1x-4.7=7.6(147)(17x-43)÷2=123(148)(5.1x-1.6)÷13=3.8(149)(4x+40)÷2=48(150)1.3x-2.3=12(151)78x-20x-0.6=45.8(152)5.3-x=4.4(153)18.9+78x=34.5(154)2.5x+3.2x=119.7(155)4.7+x=10.2(156)1.6x+4.2=18.6(157)4x+7x-12=87(158)1x-0.5x=16(159)6(0.7x-5)=24.6(160)25x-4×25=100(161)2.6x-3.3=7.1(162)7x-2x-17=48(163)1.5x-0.2x+0.8=61.9(164)12x-2x+16=146(165)61+x=137(166)5(2x+7)=145(167)13x+39=208(168)86-7x=37(169)19x-3x-35=93(170)x÷4=2.2(171)181-4x=101(172)x+22=92(173)17x+6x+33=148(174)21x+9×11=204(175)9-x=7.6(176)90÷x=3(177)24x+9×18=354(178)2x=13.8(179)82x-14x-3.2=51.2(180)0.2x=15.8(181)1.3x-3.8×3=2.9(182)10x÷65=2(183)3.3x-0.4×11=2.2(184)36x÷4=1.8(185)13+45x=26.5(186)33x-3x+1=91(187)16x-9x=56(188)5x-3x+18=90(189)29x=5.8(190)12x-2x+9=169(191)18(0.4x+1)=32.4(192)19.3-4x=14.5(193)x+64=162(194)5.8x+4x=29.4(195)4.1x-2.1x+0.9=30.9(196)31x-14=110(197)(4.2x-3.3)÷15=2.3(198)0.5x÷4=2(199)74x+5.9=20.7(200)x÷13=1.5(201)5.5x+7.6x+3.6=134.6(202)x+49=135(203)x÷17=0.3(204)18x+17x-3=382(205)64-x=10(206)6x÷30=0.6(207)42x-30=54(208)3x=8.4(209)57-x=18(210)1.9x-1.2x=23.1(211)28x-37×0.2=1(212)18x-2x-38=106(213)5.8x-2.6x=38.4(214)(10x+15)÷13=15(215)4x+2x=288(216)2x÷4=41(217)14x÷5=2.8(218)32x-28x+0.4=6.8(219)2x+4x+49=259(220)(12x+36)÷2=102(221)1.1x+1.9x-4.2=34.8(222)18÷x=0.6(223)36x÷45=0.4(224)x+30=73(225)29x=116(226)2x÷11=8(227)0.3x+5.6=23(228)2x-4×0.7=5.4(229)2(4x-9)=46(230)9(0.8x+1.2)=46.8(231)0.3x-0.9×6=2.1(232)3.2x-0.4×25=6(233)4.1x=12.3(234)7.6x+4.1x+4.4=51.2(235)130+14x=242(236)2.6x-3.8=14.4(237)x+3.8=10.5(238)3x-54×2=42(239)9.2-x=4(240)18x-9x=54(241)6.6x+6.2x+4.5=132.5(242)(18x+30)÷5=60(243)3.1x+5.7x+1.1=106.7(244)13x-11x+16=46(245)10(x-19)=130(246)44x+59x+1.3=135.2(247)14.5+4x=22.1(248)3(1.1x+5.2)=48.6(249)16x=64(250)18.7-2x=4.7(251)85-x=48(252)14x+3x+22=124(253)54-x=18(254)10.2÷x=0.6(255)2(x+29)=86(256)6x+5x=77(257)66x+5=18.2(258)x+5.1=10.6(259)2.5+1.8x=15.1(260)22x-4x+3.7=52.3(261)11x-3.3=16.5(262)(5.7x-5.6)÷20=2(263)9.1+2.8x=25.9(264)88x+3.9=21.5(265)2.1x÷63=0.2(266)11.4+2x=30.6(267)2(27x-43)=184(268)12.7+0.9x=24.4(269)6.5x+5=18(270)4x-19×0.3=1.5(271)10x-4x=54(272)24x÷18=4(273)(19x+23)÷2=59(274)7.3x-3.8x-3.9=24.1(275)16x-11x-2=13(276)4(9.1x-7.6)=42.4(277)2x+0.9x+3.5=93.4(278)2x+4.4=14.8(279)4(x+35)=184(280)2.7x+4x-1.6=58.7(281)17x-57=11(282)(6.3x+8.6)÷4=5.3(283)x÷4=4.6(284)4.2+4x=7(285)67x-29x-1.4=29(286)140-47x=46(287)12x+2x=196(288)30+x=108(289)10x+2=18(290)9.9-x=4.3(291)32-x=22(292)136-5x=16(293)18x-9x=72(294)(5x-16)÷24=1(295)2x÷11=0.6(296)3.1x+3.7x=20.4(297)9(13x-48)=153(298)2.9x-2.3x-0.5=17.5(299)17x-5.9=12.8(300)8.1+x=13.3(301)7.1x-3.4x-2.4=5(302)82x+5.7=22.1(303)3x+2x-25=295(304)63-x=33(305)(9.8x-4.4)÷4=8.7(306)1.6x-0.7x+0.9=14.4(307)5.6x-0.5x-3.6=16.8(308)13x+5x=72(309)4÷x=1(310)14(0.4x-1.6)=33.6(311)18.8-0.2x=15.4(312)3x+4x+2=331(313)(6x+18)÷21=6(314)6x-45=147(315)x+7.9=15.4(316)2x=12.8(317)x÷24=0.3(318)0.4x+0.2×45=26.2(319)37+x=133(320)x÷7=4(321)(10x-12)÷44=2(322)195÷x=3(323)26x-12×0.8=3.4(324)8.7x-5.7x+3.5=18.5(325)142+32x=334(326)93+x=144(327)15x-2x+13=78(328)0.3x+8.8x=81.9(329)19.2-0.7x=3.1(330)17x-7x-33=57(331)9x+12x=336(332)5x-2×3.2=13.6(333)75÷x=3(334)1.5x=6(335)16.5-0.7x=9.5(336)(3x-40)÷10=2(337)5x-3×1.1=2.7(338)16.2÷x=2.7(339)12.3+0.7x=30.5(340)x-0.3=6.6(341)7(2x-19)=77(342)7x=189(343)0.5x+1.1×5=15(344)3(13x+16)=165(345)3.4x-2.5x=16.2(346)x+7.5=9.1(347)33x-26x-4.6=15.7(348)15x=120(349)16-x=14(350)108÷x=2(351)30x÷18=1(352)x-5.8=1(353)12.6÷x=1.4(354)60x-18=102(355)3.3+x=10.4(356)10x+24=164(357)25x=17.5(358)17x+36x+4.1=141.9(359)4(5x+28)=152(360)82x-32x-1=34(361)15.2+0.3x=27.5(362)0.6x-1×7=1.4(363)51x+60x-1.4=98.5(364)25+x=53(365)x+9.7=10.4(366)3x+29=80(367)161-46x=23(368)5.2÷x=0.2(369)7.5+1.6x=25.1(370)1.6x÷8=0.6(371)3x+4×1.5=9.6(372)38x-3.3=15.7(373)9x+25×6=168(374)26x+21×0.6=25.6(375)4.2x-1.6x-0.7=9.7(376)4.5+97x=23.9(377)5x+31=226(378)(4.5x-2.7)÷21=1.8(379)3x-5.5=4.1(380)9.1x-3.5x+2=46.8(381)2.2+4.9x=21.8(382)15x+11x+8=346(383)x-11=35(384)0.2x-5.6=10(385)6.5+0.4x=9.3(386)4x+5.3x-2.1=156(387)(1.8x-3.6)÷14=0.9(388)x-4.4=1.2(389)23x+12x+1.9=141.9(390)113+63x=302(391)3x+4×0.9=14.7(392)(5x+9.6)÷37=0.8(393)0.8x-1.2=11.6(394)1.4x=14(395)94+7x=255(396)6(2x-3)=102(397)4.1x+1.8x=59(398)6x=162(399)6.2x-5.2x=10(400)2x=100(401)x-1.7=7.7(402)10x+15x-24=276(403)0.2x-4.8=9(404)13.6÷x=0.2(405)3.7x-3x=14.7(406)15x-3×15=150(407)18.9+5x=37.9(408)x+79=168(409)(0.2x+4.6)÷37=0.2(410)5.4+x=5.7(411)30+72x=174(412)2(2x+49)=166(413)18x+3x-15=216(414)(0.9x-6.6)÷3=1.7(415)94+x=146(416)5.5x+2.9x+4.7=122.3(417)4x-2x-17=43(418)96x+86x+4.8=150.4(419)0.4x÷3=0.8(420)92-3x=14(421)8.5x-6.8x=5.1(422)8x-2×70=52(423)11.7-1.9x=2.2(424)8x÷4=1.2(425)5x=17.5(426)9.4x-8x-4.2=2.8(427)x+90=92(428)72x-60x+2.1=9.3(429)x-0.7=4.2(430)5(0.2x+4.3)=48.5(431)4x+14×8=212(432)4x=140(433)0.4x-4.6×3=1.4(434)34x+4×2.3=16(435)1.3x-0.9x+2.7=29.9(436)16x÷32=0.2(437)6x+8x=322(438)8.3-x=4.5(439)75-x=48(440)2(9x+44)=124(441)x+60=154(442)7.9-2x=2.5(443)15(0.7x-9.4)=16.5(444)(5x-30)÷3=25(445)2.1x-1.4×6=8.4(446)2(0.2x+9.8)=21.2(447)19x-12x-42=28(448)18.8-19x=9.3(449)4x+7x+48=81(450)19.4-51x=4.1(451)54+x=60(452)(4x+28)÷20=4(453)19.9-0.4x=7.5(454)56x-42x+4.1=23.7(455)17.3-31x=8(456)160÷x=40(457)8x=12(458)0.7x+0.3×8=9.4(459)x-10=22(460)102-2x=12(461)39x-17x+0.7=27.1(462)12x÷24=5(463)3(3x-34)=96(464)7x+4x-9=222(465)11x÷55=2(466)51+3x=204(467)x÷13=1.4(468)6x-19×3=27(469)6.3x+5.6x-1.5=69.9(470)32x+76x-4.5=17.1(471)6x-29×2=62(472)3(1.1x+1.6)=21.3(473)2x+22×0.3=7.6(474)x-34=44(475)9x+10x=342(476)2x+55=111(477)1.7x+1.6=13.5(478)6(2.3x-2.5)=40.2(479)1.1x+1.6x-2.4=127.2(480)70÷x=10(481)6.2x-1.3x=39.2(482)29x+63x-1.8=25.8(483)7.5+x=17.4(484)(5.9x+5.3)÷25=2.1(485)0.3x-4.5=1.8(486)22x-46×0.3=3.8(487)4x÷11=8(488)(14x-17)÷5=33(489)1.6x-1.5×5=6.9(490)4.7+x=14.4(491)x-1.8=4.9(492)2x+13×3=129(493)3.8x-2.5x-1.1=32.7(494)10x+2×41=112(495)18x-12x+1.6=20.8(496)76÷x=19(497)7(2x+7)=147(498)(13x-29)÷3=38(499)25x+22=172(500)3.8x+2.6×7=25.8(501)4.5x+7.9x+0.2=62.2(502)19.6÷x=2.8(503)16x+17x-14=316(504)x÷12=4(505)x÷66=2(506)27x-20x-1.1=11.5(507)8x=200(508)1+x=6.9(509)x-0.9=6.2(510)3x-26=22(511)70x-57x-1.7=3.5(512)6x÷5=36(513)4x+14x+11=137(514)53+x=107(515)4.6x+2.6x=50.4(516)6x+35=155(517)16x-6x=30(518)1.3+0.8x=18.1(519)10.2-2x=2.6(520)5x-6×4=176(521)5.6x=11.2(522)2x-0.5×13=7.5(523)0.7x+0.5×10=12.7(524)2.2x+5.2=25(525)x÷14=5(526)(17x+20)÷7=32(527)51x-29x-3.7=16.1(528)13x+2×65=260(529)2(0.5x+2.3)=12.6(530)x-46=35(531)15x-4×1.1=12.1(532)8.2-x=6.8(533)3x-2.5=17(534)15x÷5=3.9(535)20x+92x-2.1=109.9(536)6x+9×1.6=28.2(537)0.6x-0.2x-1=38.2(538)9(2x+14)=162(539)1.7x+6.9x-1.5=50.1(540)18x-12x-47=13参考答案(1)x=2(2)x=59(3)x=4(4)x=0.9(5)x=105(6)x=6(7)x=11(8)x=0.2(9)x=2(10)x=2.3(11)x=0.6(12)x=3(13)x=5(14)x=66(15)x=4(16)x=4(17)x=53(18)x=3(19)x=0.6(20)x=2(21)x=3(22)x=9.4(23)x=10(24)x=71(25)x=16(26)x=9(27)x=96(28)x=7.8(29)x=30(30)x=1.2(31)x=11(32)x=13(33)x=44(34)x=2(35)x=0.8(36)x=1.6(37)x=0.2(38)x=186(39)x=2.7(40)x=35(41)x=22(42)x=0.2(43)x=0.6(44)x=2(45)x=70(46)x=0.2(47)x=38(48)x=13(49)x=7(50)x=4.7(51)x=33(52)x=27(53)x=4.4(54)x=9(55)x=15(56)x=3.9(57)x=0.2(58)x=21(59)x=19(60)x=6(61)x=13(62)x=30(63)x=27(64)x=104(65)x=1.1(66)x=2(67)x=3(68)x=4(69)x=2.4(70)x=20(71)x=60(72)x=3(73)x=3(74)x=76(75)x=4(76)x=0.2(77)x=75(78)x=4.1(79)x=2(80)x=0.8(81)x=30(82)x=25(83)x=5.3(84)x=21(85)x=1.8(86)x=0.5(87)x=27(88)x=59(89)x=12(90)x=3(91)x=33(92)x=16(93)x=1.6(94)x=26(95)x=1.4(96)x=63(97)x=1.6(98)x=1.1(99)x=29(100)x=1.9(101)x=7.4(102)x=2.5(103)x=3(104)x=5(105)x=13(106)x=17(107)x=7(108)x=3(109)x=12(110)x=2.1(111)x=3(112)x=14(113)x=10(114)x=3(115)x=0.8(116)x=6(117)x=7.8(118)x=5(119)x=0.4(120)x=13(121)x=4(122)x=1.4(123)x=3(124)x=3(125)x=32(126)x=14(127)x=184(128)x=2(129)x=7.1(130)x=0.6(131)x=4(132)x=4(133)x=5(134)x=0.6(135)x=3(136)x=30(137)x=17(138)x=32(139)x=3(140)x=4(141)x=1.3(142)x=0.7(143)x=77(144)x=2(145)x=92(146)x=3(147)x=17(148)x=10(149)x=14(150)x=11(151)x=0.8(152)x=0.9(153)x=0.2(154)x=21(155)x=5.5(156)x=9(157)x=9(158)x=32(159)x=13(160)x=8(161)x=4(162)x=13(163)x=47(164)x=13(165)x=76(166)x=11(167)x=13(168)x=7(169)x=8(170)x=8.8(171)x=20(172)x=70(173)x=5(174)x=5(175)x=1.4(176)x=30(177)x=8(178)x=6.9(179)x=0.8(180)x=79(181)x=11(182)x=13(183)x=2(184)x=0.2(185)x=0.3(186)x=3(187)x=8(188)x=36(189)x=0.2(190)x=16(191)x=2(192)x=1.2(193)x=98(194)x=3(195)x=15(196)x=4(197)x=9(198)x=16(199)x=0.2(200)x=19.5(201)x=10(202)x=86(203)x=5.1(204)x=11(205)x=54(206)x=3(207)x=2(208)x=2.8(209)x=39(210)x=33(211)x=0.3(212)x=9(213)x=12(214)x=18(215)x=48(216)x=82(217)x=1(218)x=1.6(219)x=35(220)x=14(221)x=13(222)x=30(223)x=0.5(224)x=43(225)x=4(226)x=44(227)x=58(228)x=4.1(229)x=8(230)x=5(231)x=25(232)x=5(233)x=3(234)x=4(235)x=8(236)x=7(237)x=6.7(238)x=50(239)x=5.2(240)x=6(241)x=10(242)x=15(243)x=12(244)x=15(245)x=32(246)x=1.3(247)x=1.9(248)x=10(249)x=4(250)x=7(251)x=37(252)x=6(253)x=36(254)x=17(255)x=14(256)x=7(257)x=0.2(258)x=5.5(259)x=7(260)x=2.7(261)x=1.8(262)x=8(263)x=6(264)x=0.2(265)x=6(266)x=9.6(267)x=5(268)x=13(269)x=2(270)x=1.8(271)x=9(272)x=3(273)x=5(274)x=8(275)x=3(276)x=2(277)x=31(278)x=5.2(279)x=11(280)x=9(281)x=4(282)x=2(283)x=18.4(284)x=0.7(285)x=0.8(286)x=2(287)x=14(288)x=78(289)x=1.6(290)x=5.6(291)x=10(292)x=24(293)x=8(294)x=8(295)x=3.3(296)x=3(297)x=5(298)x=30(299)x=1.1(300)x=5.2(301)x=2(302)x=0.2(303)x=64(304)x=30(305)x=4(306)x=15(307)x=4(308)x=4(309)x=4(310)x=10(311)x=17(312)x=47(313)x=18(314)x=32(315)x=7.5(316)x=6.4(317)x=7.2(318)x=43(319)x=96(320)x=28(321)x=10(322)x=65(323)x=0.5(324)x=5(325)x=6(326)x=51(327)x=5(328)x=9(329)x=23(330)x=9(331)x=16(332)x=4(333)x=25(334)x=4(335)x=10(336)x=20(337)x=1.2(338)x=6(339)x=26(340)x=6.9(341)x=15(342)x=27(343)x=19(344)x=3(345)x=18(346)x=1.6(347)x=2.9(348)x=8(349)x=2(350)x=54(351)x=0.6(352)x=6.8(353)x=9(354)x=2(355)x=7.1(356)x=14(357)x=0.7(358)x=2.6(359)x=2(360)x=0.7(361)x=41(362)x=14(363)x=0.9(364)x=28(365)x=0.7(366)x=17(367)x=3(368)x=26(369)x=11(370)x=3(371)x=1.2(372)x=0.5(373)x=2(374)x=0.5(375)x=4(376)x=0.2(377)x=39(378)x=9(379)x=3.2(380)x=8(381)x=4(382)x=13(383)x=46(384)x=78(385)x=7(386)x=17(387)x=9(388)x=5.6(389)x=4(390)x=3(391)x=3.7(392)x=4(393)x=16(394)x=10(