五年級數(shù)學(xué)(方程)習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)習(xí)題及答案匯編(1)90-x=36(2)1.4x-3.8=11.6(3)8.3-x=4.8(4)127+15x=232(5)19x-3x=144(6)95x=190(7)14x+5x+12=202(8)3.1x-2.2x=5.4(9)2x÷50=0.4(10)15x-4×1.2=1.2(11)2.2x+2.3x=108(12)3.3x+1.4×4=18.8(13)x÷4=8(14)2.6x=10.4(15)2.9+22x=13.9(16)13.2-35x=6.2(17)(0.3x+7.1)÷4=2.3(18)x-4.7=2.2(19)6x+4.3x+0.8=72.9(20)5.3x-2.7x+0.6=47.4(21)123+5x=203(22)14x+11x-3=172(23)x÷20=4(24)3.1x+2.8x-3.5=126.3(25)x+8.4=9.7(26)62+x=103(27)12(5x+6)=192(28)1.1x-1.2=2.1(29)37x-10x-2.9=29.5(30)(6.1x+0.5)÷3=26.6(31)7x=119(32)49-x=29(33)0.4x-0.9×19=1.7(34)74+11x=184(35)4.4x-1.6x+1.5=9.9(36)25x+5x+3.8=69.8(37)0.6x+1.6x-2.7=65.5(38)15÷x=0.6(39)48x+5×0.7=13.1(40)18x-10x-11=77(41)55x+34x-0.8=150.5(42)9.2-x=1.8(43)21x+41=209(44)19x-3.9=15.1(45)22x-54=78(46)2(x-1.5)=33(47)24x+55x+0.5=24.2(48)3.3x+8.5x+4.1=122.1(49)77-2x=47(50)13.2÷x=0.3(51)13x+15x+30=226(52)4.1+x=8.3(53)0.5x=10(54)160÷x=40(55)11x+4.7=21.2(56)x+1.1=6.3(57)74+3x=152(58)5.7x-4.1x-3.6=18.8(59)3(2x+27)=147(60)2÷x=1(61)15x+4x+5=157(62)86x-82x-2.2=1.4(63)15.1+0.3x=21.4(64)(9.7x-4.7)÷2=21.9(65)x÷53=3(66)13-5x=11.5(67)3(21x-43)=186(68)2(4x-4.8)=30.4(69)0.2x+0.2×16=7.6(70)9x+2×16=167(71)14+x=104(72)2x=122(73)15.4-14x=7(74)17+7.1x=31.2(75)x÷4=4(76)(6x-8)÷22=1(77)9.1x-4.5x+2.6=25.6(78)27x+5×14=178(79)1.2x-0.2×13=7(80)3x-3.3=16.5(81)3x-22=80(82)13.7+35x=24.2(83)3(0.7x+3)=32.1(84)8x+2×41=194(85)58x-23x+0.2=7.2(86)(9x+16)÷4=49(87)3x=14.7(88)10x-4×1.7=10.2(89)7.8+0.2x=19(90)3x-4×10=116(91)11.4-5x=2.4(92)7-0.9x=1.6(93)(15x+21)÷6=41(94)3x-2×1.2=6.9(95)56x-33=135(96)2(16x-6)=116(97)2x-45×2=14(98)5.6x-4x=27.2(99)0.4x=18.8(100)2(3x+28)=188(101)9.1x-0.6x+3.9=63.4(102)94+5x=149(103)(2.4x-9.4)÷2=1.3(104)1.4÷x=0.7(105)5x+3x+4.5=28.5(106)62-2x=44(107)2.1x+1.3x=98.6(108)x+8=10(109)6x+7x+5=343(110)6.2x+4.1x=20.6(111)0.3x+0.4x=37.1(112)1.4+x=5(113)2x÷8=12(114)0.5x+3.5x-2.1=45.9(115)47-x=21(116)x-21=53(117)31x-2×0.6=8.1(118)5x+7x+33=69(119)6x÷72=0.2(120)5(2x+9)=125(121)26x=182(122)16.4-0.5x=10.9(123)66+x=70(124)7.5+3x=9.9(125)11x-9x=32(126)(5x-36)÷11=4(127)18.5+0.3x=35.3(128)9.6x-6.7x-1.3=24.8(129)8.1x-7.1x-2.1=5.9(130)13x+7x=60(131)3(16x-49)=141(132)94x-6x+0.5=88.5(133)4x-3.3=12.7(134)(1.3x+3.2)÷9=3.1(135)x+3.2=5.1(136)12+27x=93(137)14.6-0.4x=3(138)4x+1.9=9.1(139)6x-12=72(140)16x÷5=3.2(141)28x+3x+2.9=108.3(142)5.3x+4.6x+3.7=181.9(143)7.5+x=9.2(144)3.3+0.2x=13.1(145)2.3x-1.3×5=9.6(146)3.6+x=9.3(147)2.2x-1.8x-0.6=4.6(148)5.2+x=12.1(149)20÷x=5(150)18x+10=190(151)x-14=24(152)x+2=8.5(153)0.4x+1.8×10=30.4(154)5x=3.5(155)93x=18.6(156)9x+30×0.6=28.8(157)13x-2x+1.1=40.7(158)94-2x=18(159)17x-2x=75(160)1.5x+4.4=22.4(161)12x+13x-38=337(162)21x+5=21.8(163)95x-42x-2.9=50.1(164)(4.6x-1.4)÷2=20(165)2(25x-47)=156(166)7(7x-43)=189(167)1.2x÷5=3.6(168)2.5x+1.3x+4.5=103.3(169)173+24x=245(170)1.8x-0.8x-4.3=10.7(171)(9x+6)÷3=86(172)17x-55×3=22(173)60x-52=128(174)0.9x+3.6=20.7(175)5x-2x-21=24(176)177-2x=35(177)104÷x=13(178)(4x-38)÷7=2(179)4x+4.8x-3.7=137.1(180)x+18=90(181)83x+98x+2.4=56.7(182)1.4x+0.7x=92.4(183)198-6x=24(184)4x=40(185)12x-3x=144(186)48x+60x+4.6=101.8(187)5x=55(188)8x-2x+20=152(189)8.5x-6.6x+0.6=21.5(190)1x-1=12(191)10x+5.9=25.9(192)1.1x-0.2×26=4.7(193)4x+19×0.7=29.7(194)15x+45×4=360(195)x-36=45(196)70x+62x+4.8=136.8(197)29x-19=126(198)12x+5×22=158(199)(4x-5.6)÷8=8.3(200)x-15=69(201)10x+8×5=160(202)45x÷5=18(203)12.1-4x=10.1(204)7x-2x-24=51(205)0.2x+0.9×2=5.4(206)8.5÷x=1.7(207)9.4x+1.5x=43.6(208)3(2.6x-1.1)=20.1(209)2(3.1x-3.3)=24.4(210)93x+88x+2.8=57.1(211)10x=17(212)2.1x-0.7x+4.6=57.8(213)x+0.7=9.8(214)113-8x=57(215)0.4x-2.7=10.9(216)4.6x+3.8=17.6(217)9x÷6=21(218)x+1.4=10.3(219)x+0.9=8.6(220)x-70=28(221)2x÷16=0.9(222)(17x-35)÷22=10(223)0.9x-4.1×2=8.9(224)9x-2.4x-4.4=61.6(225)16.1-0.2x=8.5(226)(7.1x+2.3)÷5=3.3(227)53x-51x-1.8=1(228)4x+6x-0.7=13.3(229)x-3.9=2.4(230)17x=15.3(231)80x+38=198(232)79-x=22(233)16x-5×1.2=5.2(234)x+77=148(235)(2.3x+4)÷5=7.7(236)13(x+2)=117(237)6.4+8x=11.2(238)9x-6.4x-0.9=12.1(239)89x-19x+0.2=35.2(240)1x+7.7x+3.2=55.4(241)6x÷11=1.2(242)9.8x=19.6(243)5x=35(244)49x+74x-0.9=85.2(245)(6x+43)÷31=7(246)2x+5.7=15.7(247)(13x-5)÷3=33(248)12x-2x-6=84(249)3(8x+8)=144(250)7x=8.4(251)16x-37=75(252)4x+2.2=6.2(253)x+27=75(254)9x+2x-0.8=39.9(255)1.9x=3.8(256)7(3x-33)=189(257)18.3-0.5x=2.3(258)2x+2.9x-1.1=67.5(259)2.4x+2.3x=98.7(260)11.7-4x=3.7(261)0.9x+2.5x-4.5=128.1(262)8x-3x-11=79(263)14.7÷x=2.1(264)15(0.2x-7.9)=22.5(265)188-22x=12(266)0.8x+9.3x+0.2=91.1(267)(5.6x-6)÷4=1.3(268)6.9-2.1x=2.7(269)2(0.2x+9.9)=33.8(270)2.1x+2.8×6=21(271)x÷15=3(272)(1.6x-3.3)÷3=5.3(273)1.3+x=6.5(274)30+52x=134(275)66x-38x+3.4=17.4(276)9.5x-4.1x=27(277)6x÷4=30(278)6.8x-0.9x+2.2=61.2(279)87x-4.9=12.5(280)15x-6x+3.8=42.5(281)1.2x-4.4=2.8(282)7x+3.4=4.8(283)2.9x+2.9×5=26.1(284)26(0.9x-9.3)=39(285)0.9x÷27=0.7(286)4x+3x-39=248(287)6x+19x=200(288)18.8÷x=4.7(289)x-0.3=8.8(290)22x-18×2=30(291)(6x-4)÷17=4(292)x-3.7=1.9(293)28+x=49(294)16x-6x=50(295)0.3x-0.3×7=11.4(296)10x+7×22=214(297)10x-3x-34=106(298)10x-8x+26=52(299)(0.5x+1.7)÷8=1.4(300)7.5+29x=16.2(301)2x+7×19=153(302)(9.1x+7.5)÷6=5.8(303)0.3x-1.1=4(304)2.8x÷7=1.6(305)3(1.1x-3.7)=8.7(306)8(0.4x+1.1)=21.6(307)14x+59x-3.3=84.3(308)x-5.6=3(309)4x+31×0.5=33.1(310)9.8-x=2.3(311)4x+9x=182(312)x÷29=0.5(313)7(1.5x-0.3)=39.9(314)4x-33×2=82(315)16x+2.9=20.5(316)x-1.3=4.7(317)91x-12x-0.4=15.4(318)17x-3x-13=85(319)117÷x=13(320)40x-24x+4.6=33.4(321)4.6x-2.6x=16(322)4.1-x=1.1(323)x÷12=3(324)(12x-30)÷3=82(325)2x+7x+31=211(326)35x-3.4=10.6(327)32x+32×0.5=22.4(328)9.5-x=6.4(329)4.4x-1.2=7.6(330)0.2x+1.3=11.5(331)44x+57x-1.4=28.9(332)3x+14x+11=164(333)16.2+0.2x=35.4(334)5x+28=113(335)17.8-21x=7.3(336)45x+24x-4.8=36.6(337)2x=19.2(338)5x÷35=0.2(339)2x+29=201(340)4x-40×3=20(341)4x+5.5=25.5(342)2x+5×2.1=11.9(343)50x÷25=0.8(344)0.6x-0.2×12=12.6(345)39x+40=118(346)53x+23x-4.3=10.9(347)5.3+x=6.1(348)7.4-x=4(349)4.5x-1.7x-0.7=10.5(350)11x÷55=2(351)123-7x=32(352)0.8x-1.6×3=5.6(353)(3.8x+7.8)÷2=22.9(354)0.8x÷24=0.6(355)15(x-38)=165(356)14x+2x=160(357)6x+5x-24=328(358)x÷2=40(359)18x÷4=3.6(360)118-23x=49(361)0.3x+3.8=16.7(362)14x-9x+49=104(363)6x+7x-0.3=25.7(364)5x+14x-16=174(365)2.5x+4.1×2=25.7(366)x+0.8=3(367)19.2+0.5x=28.2(368)16.4-72x=2(369)2.9x-0.8x=8.4(370)5(0.4x+0.4)=32(371)18x+32=140(372)4.6x-2x+1.2=35(373)x÷33=3(374)86x-5.9=11.3(375)48+x=123(376)8.3-x=5.9(377)18x÷15=12(378)18.9-3x=15.9(379)73+x=80(380)x-6=71(381)1.9+x=4(382)x÷3=1.6(383)10x-5.3=9.7(384)(2.4x-0.9)÷9=4.7(385)(15x-30)÷3=5(386)(6x+43)÷41=5(387)13x-7x-42=18(388)3.2-x=2.3(389)17x-10×7=117(390)2x+4×2.4=12.2(391)2.4x-0.5x=15.2(392)0.4x÷13=0.8(393)1.8x-0.3x+2.1=57.6(394)15x-8×1.4=2.3(395)4x+19x=46(396)8x-5x+6=63(397)88÷x=4(398)x+61=75(399)2.8x-4.4=1.2(400)9x+83×2=310(401)x+9.6=16.2(402)x+39=113(403)x-2=10(404)9x÷3=2.1(405)x÷18=0.7(406)78+x=158(407)7x-4x=84(408)1x+3.2=10.2(409)78x-37x+3.3=32(410)2(x+19)=70(411)2(0.2x+8.1)=28.6(412)99x-73x-1.7=8.7(413)13x-6x+5=54(414)18x+5x+3=141(415)x÷3=3.2(416)6x+15x-49=119(417)1.5x+0.8×5=13(418)12x=168(419)7.6+2x=21.8(420)13.1-0.3x=8(421)0.4x÷9=1.6(422)3x-27×0.2=2.7(423)2x-11×0.2=1.2(424)44x-3.7=13.9(425)18x-15x+10=34(426)15x-11x=12(427)2(6x+4)=44(428)58x=11.6(429)x÷11=0.3(430)16.3-1.8x=10.9(431)82+x=134(432)11x+68x-1=101.7(433)(16x+8)÷4=42(434)0.2x+2.4x+1.2=81.8(435)4(0.3x-2.5)=12.8(436)13x-2.5=15.7(437)4x+2x=84(438)x÷6=2.3(439)1.6x+5.4x+0.7=84.7(440)198÷x=9(441)19.8+100x=39.8(442)2.3+x=11.1(443)37-x=33(444)4x-37×2=122(445)1.4x=2.8(446)(10x-46)÷22=7(447)1x-0.4x=6.6(448)6.4x÷16=0.8(449)x-1.7=6.5(450)16x-3x+15=67(451)3x=7.5(452)5(2x+21)=165(453)x+97=159(454)20x=160(455)16.3-12x=13.9(456)(1.3x-7.8)÷6=1.3(457)46-x=33(458)0.6x=13.8(459)8x+8×0.6=16.8(460)17.4+2x=27.8(461)8x+6×1.2=17.6(462)6.4-x=3.1(463)4x+16x=40(464)1x+0.2×18=6.6(465)x÷14=4(466)130÷x=2(467)76x-22x-2.7=35.1(468)5(0.4x+2.9)=30.5(469)8.7+2.5x=16.2(470)4.9x+1.7x+1.1=73.7(471)x-5.8=2.6(472)(5x+27)÷2=41(473)97-x=53(474)3x+2.9=5.6(475)15x÷20=9(476)3x+9x-38=82(477)3.5x+7.3x-4.2=28.2(478)25x-17×10=30(479)7x+12x=38(480)70x-14x-0.2=67(481)2x+16=62(482)16x+10x=52(483)2(23x-42)=192(484)x÷12=0.3(485)x-59=36(486)0.2x=14(487)49÷x=7(488)73x-13x+0.6=18.6(489)x-34=24(490)3.8x+4.9x=78.3(491)(4x+48)÷2=62(492)x÷3=0.4(493)46x÷23=8(494)9.2x+3.2x-4.4=107.2(495)3.6x-0.8×13=4(496)x+74=106(497)(14x+28)÷7=32(498)8.3+6x=10.7(499)26x+28x+1.5=109.5(500)14x-3x-41=69(501)(3.2x+9.6)÷8=2.8(502)x-1.1=2.5(503)3(3.8x+8.7)=48.9(504)2(1.2x+0.2)=38.8(505)13x-3x+25=45(506)0.8÷x=0.2(507)5.8x+4.5x=175.1(508)78-x=65(509)8.5+0.5x=21.5(510)5x-38=152(511)18x-10x+36=84(512)5.4x÷12=0.9(513)x÷80=2(514)16x-3×2.3=4.3(515)19x+17x+27=135(516)8x÷20=1(517)8x-2.9=8.3(518)17x-8x=18(519)1.1x=8.8(520)4.6x-2.2x-4.9=19.1(521)8x+27=211(522)2(0.7x+0.9)=46.6(523)1.4x-0.5x=24.3(524)16x+19x-45=25(525)7x-2x=30(526)5x+5.2=17.2(527)197+31x=383(528)16x-26=70(529)4(3x-29)=172(530)37+x=110(531)90x-67x-2.4=16(532)0.2x+3.8=7(533)65÷x=5(534)94-x=44(535)6x÷15=8(536)x+38=95(537)8.1÷x=0.3(538)(1.4x-3.2)÷2=9.6(539)4.4x-3x=23.8(540)6x+4x-7=243參考答案(1)x=54(2)x=11(3)x=3.5(4)x=7(5)x=9(6)x=2(7)x=10(8)x=6(9)x=10(10)x=0.4(11)x=24(12)x=4(13)x=32(14)x=4(15)x=0.5(16)x=0.2(17)x=7(18)x=6.9(19)x=7(20)x=18(21)x=16(22)x=7(23)x=80(24)x=22(25)x=1.3(26)x=41(27)x=2(28)x=3(29)x=1.2(30)x=13(31)x=17(32)x=20(33)x=47(34)x=10(35)x=3(36)x=2.2(37)x=31(38)x=25(39)x=0.2(40)x=11(41)x=1.7(42)x=7.4(43)x=8(44)x=1(45)x=6(46)x=18(47)x=0.3(48)x=10(49)x=15(50)x=44(51)x=7(52)x=4.2(53)x=20(54)x=4(55)x=1.5(56)x=5.2(57)x=26(58)x=14(59)x=11(60)x=2(61)x=8(62)x=0.9(63)x=21(64)x=5(65)x=159(66)x=0.3(67)x=5(68)x=5(69)x=22(70)x=15(71)x=90(72)x=61(73)x=0.6(74)x=2(75)x=16(76)x=5(77)x=5(78)x=4(79)x=8(80)x=6.6(81)x=34(82)x=0.3(83)x=11(84)x=14(85)x=0.2(86)x=20(87)x=4.9(88)x=1.7(89)x=56(90)x=52(91)x=1.8(92)x=6(93)x=15(94)x=3.1(95)x=3(96)x=4(97)x=52(98)x=17(99)x=47(100)x=22(101)x=7(102)x=11(103)x=5(104)x=2(105)x=3(106)x=9(107)x=29(108)x=2(109)x=26(110)x=2(111)x=53(112)x=3.6(113)x=48(114)x=12(115)x=26(116)x=74(117)x=0.3(118)x=3(119)x=2.4(120)x=8(121)x=7(122)x=11(123)x=4(124)x=0.8(125)x=16(126)x=16(127)x=56(128)x=9(129)x=8(130)x=3(131)x=6(132)x=1(133)x=4(134)x=19(135)x=1.9(136)x=3(137)x=29(138)x=1.8(139)x=14(140)x=1(141)x=3.4(142)x=18(143)x=1.7(144)x=49(145)x=7(146)x=5.7(147)x=13(148)x=6.9(149)x=4(150)x=10(151)x=38(152)x=6.5(153)x=31(154)x=0.7(155)x=0.2(156)x=1.2(157)x=3.6(158)x=38(159)x=5(160)x=12(161)x=15(162)x=0.8(163)x=1(164)x=9(165)x=5(166)x=10(167)x=15(168)x=26(169)x=3(170)x=15(171)x=28(172)x=11(173)x=3(174)x=19(175)x=15(176)x=71(177)x=8(178)x=13(179)x=16(180)x=72(181)x=0.3(182)x=44(183)x=29(184)x=10(185)x=16(186)x=0.9(187)x=11(188)x=22(189)x=11(190)x=13(191)x=2(192)x=9(193)x=4.1(194)x=12(195)x=81(196)x=1(197)x=5(198)x=4(199)x=18(200)x=84(201)x=12(202)x=2(203)x=0.5(204)x=15(205)x=18(206)x=5(207)x=4(208)x=3(209)x=5(210)x=0.3(211)x=1.7(212)x=38(213)x=9.1(214)x=7(215)x=34(216)x=3(217)x=14(218)x=8.9(219)x=7.7(220)x=98(221)x=7.2(222)x=15(223)x=19(224)x=10(225)x=38(226)x=2(227)x=1.4(228)x=1.4(229)x=6.3(230)x=0.9(231)x=2(232)x=57(233)x=0.7(234)x=71(235)x=15(236)x=7(237)x=0.6(238)x=5(239)x=0.5(240)x=6(241)x=2.2(242)x=2(243)x=7(244)x=0.7(245)x=29(246)x=5(247)x=8(248)x=9(249)x=5(250)x=1.2(251)x=7(252)x=1(253)x=48(254)x=3.7(255)x=2(256)x=20(257)x=32(258)x=14(259)x=21(260)x=2(261)x=39(262)x=18(263)x=7(264)x=47(265)x=8(266)x=9(267)x=2(268)x=2(269)x=35(270)x=2(271)x=45(272)x=12(273)x=5.2(274)x=2(275)x=0.5(276)x=5(277)x=20(278)x=10(279)x=0.2(280)x=4.3(281)x=6(282)x=0.2(283)x=4(284)x=12(285)x=21(286)x=41(287)x=8(288)x=4(289)x=9.1(290)x=3(291)x=12(292)x=5.6(293)x=21(294)x=5(295)x=45(296)x=6(297)x=20(298)x=13(299)x=19(300)x=0.3(301)x=10(302)x=3(303)x=17(304)x=4(305)x=6(306)x=4(307)x=1.2(308)x=8.6(309)x=4.4(310)x=7.5(311)x=14(312)x=14.5(313)x=4(314)x=37(315)x=1.1(316)x=6(317)x=0.2(318)x=7(319)x=9(320)x=1.8(321)x=8(322)x=3(323)x=36(324)x=23(325)x=20(326)x=0.4(327)x=0.2(328)x=3.1(329)x=2(330)x=51(331)x=0.3(332)x=9(333)x=96(334)x=17(335)x=0.5(336)x=0.6(337)x=9.6(338)x=1.4(339)x=86(340)x=35(341)x=5(342)x=0.7(343)x=0.4(344)x=25(345)x=2(346)x=0.2(347)x=0.8(348)x=3.4(349)x=4(350)x=10(351)x=13(352)x=13(353)x=10(354)x=18(355)x=49(356)x=10(357)x=32(358)x=80(359)x=0.8(360)x=3(361)x=43(362)x=11(363)x=2(364)x=10(365)x=7(366)x=2.2(367)x=18(368)x=0.2(369)x=4(370)x=15(371)x=6(372)x=13(373)x=99(374)x=0.2(375)x=75(376)x=2.4(377)x=10(378)x=1(379)x=7(380)x=77(381)x=2.1(382)x=4.8(383)x=1.5(384)x=18(385)x=3(386)x=27(387)x=10(388)x=0.9(389)x=11(390)x=1.3(391)x=8(392)x=26(393)x=37(394)x=