五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案匯編

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