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)9x=27(2)4(0.6x-0.9)=20.4(3)174-6x=114(4)x-5.5=2.7(5)5x-3x=48(6)8.1-3.2x=1.7(7)15x+14×2=163(8)10x+13=203(9)2.9x=8.7(10)x-25=72(11)x-34=18(12)4(0.6x-6.2)=30.4(13)5x=5(14)3x=1.5(15)9x+14x+44=274(16)3.9÷x=0.3(17)37x+5.7=13.1(18)74x-6x-2.5=65.5(19)18.8+6x=31.4(20)20÷x=2(21)8(2x-45)=104(22)x-1.4=5.5(23)x+40=70(24)2x+3x+4=214(25)24x-2×6=84(26)65-x=16(27)68x+24=160(28)8.5+13x=17.6(29)16.4+0.3x=22.7(30)11-2x=10.6(31)4x+3.2=9.2(32)0.5x÷3=3(33)(2x-2)÷6=4(34)x-30=26(35)98x-49x+4.4=38.7(36)2x÷23=0.6(37)x÷11=0.3(38)19.2-11x=15.9(39)72x-43=101(40)15.3-4x=7.3(41)5.2x-0.7x=22.5(42)17x-14x=24(43)0.8x+5.7x-2.3=23.7(44)2(2x+0.9)=29.8(45)16x=17.6(46)1.6x+2.4x-3.9=16.1(47)8.4x-1.3x-0.2=14(48)0.5x+2.7=6.2(49)13x-2x-3=74(50)1.1x+6.3x-2.3=86.5(51)(5.6x+8.2)÷2=12.5(52)110÷x=2(53)2.1x+5.4=20.1(54)6x÷81=0.2(55)0.2x+0.9×5=5.7(56)14x=42(57)2x+33×5=207(58)81-x=24(59)2x+13=121(60)6x+29=137(61)37+x=124(62)40x÷8=20(63)2.9x+0.4x=46.2(64)7.2x-2.2x+2=42(65)5x=12(66)79x-32x+4.2=23(67)x-17=26(68)15.2-0.4x=3.6(69)4(1.9x+7)=43.2(70)82+51x=184(71)4.4+x=11.8(72)9x-3×0.2=6.6(73)5.5x÷11=1(74)12x+81x-3.9=42.6(75)10x+5.6=19.6(76)68+x=117(77)14.2+0.4x=20.6(78)2x-53=65(79)x-33=32(80)0.2x+8.8x+1=100(81)6x+18×0.7=17.4(82)2(1.2x+1.7)=49(83)11.3-9x=8.6(84)2.4÷x=0.3(85)15x=135(86)1x+1.2=16.2(87)63x-37x-4.4=11.2(88)25x-32=68(89)45x+5×3=33(90)9.5+x=15.2(91)16x+15x-46=47(92)5x+40=145(93)8x+35×0.2=10.2(94)11x=44(95)(5.3x+2.5)÷3=7.9(96)(5x+6)÷8=12(97)11x-21×0.5=6(98)11.5+2.5x=16.5(99)85x-52x-3.1=3.5(100)62-x=47(101)59x+70x+2.9=54.5(102)29x=145(103)19.6-0.4x=9.2(104)7x+4x-28=60(105)7.2÷x=0.2(106)2x+5x=273(107)8x-7×0.4=13.2(108)0.7x+5.3x+2.2=50.2(109)0.3x+4.1x=44(110)8x+5x=91(111)1.1x+4=11.7(112)4x÷62=2(113)1.6x-4.2=5.4(114)8x-6x+25=35(115)53x+57x+2.8=134.8(116)87-x=76(117)58x+49=165(118)x+3=92(119)0.9x+2×10=23.6(120)3(x+10)=156(121)184-4x=168(122)x-5.1=3.5(123)x+2.6=12.5(124)x÷32=0.2(125)7(2.1x-3.2)=36.4(126)7x-3×17=138(127)14+0.3x=23.6(128)2x+1.2×13=31.6(129)11x+3×56=245(130)6(1.9x+1.3)=42(131)7.5x+3.9x+1.8=58.8(132)6x+32×5=334(133)5.9x-2x=23.4(134)75-x=48(135)9.9+x=15.6(136)x-1.5=2.7(137)8x+4.6=7(138)0.2x-1.6=11.2(139)9x+3x+29=113(140)53x-58=48(141)152÷x=2(142)1.2x+5.2=16(143)4.4x-2.1x-3.8=7.7(144)(6x+8)÷38=1(145)19.6+8x=29.2(146)1.7x+2.1x=102.6(147)(3.8x+5)÷4=17.4(148)2(x+6)=68(149)11(2x-12)=176(150)9x-5x+15=27(151)19x+14x-17=280(152)1x+7.1x+4.7=53.3(153)x÷29=3(154)x÷5=15(155)41x-3.3=13.1(156)6x-54×2=48(157)14x÷7=2(158)x-3.9=1.8(159)13x-2.1=5.7(160)74-x=58(161)3(7x-11)=30(162)x÷16=11(163)83x-80x+0.9=3(164)0.8x=19.2(165)72x+12x+2=27.2(166)49x-37x-4.7=6.1(167)9.3x-2.9x=44.8(168)55x-46x+4.7=13.7(169)7.8+2.3x=17(170)(1.7x-9.2)÷11=2.1(171)21x+12×0.7=16.8(172)78x+3.9=19.5(173)98+x=141(174)10.6+0.2x=29.4(175)4.2x+0.7x=58.8(176)x÷95=0.2(177)6x+55x+4.4=77.6(178)3x÷72=2(179)1.5x+3.2×3=27.6(180)10x=190(181)(10x-16)÷2=37(182)(1.5x-2.4)÷6=3.1(183)x+59=131(184)10.9-24x=3.7(185)4.2x-0.6x=79.2(186)11x-11×1.4=3.3(187)(12x-6)÷18=11(188)6x-2x=72(189)10x-4×7=92(190)9x-8×1=5.5(191)69x-14x+0.6=11.6(192)18.4-11x=3(193)5.2-x=2.9(194)5.3-x=2.1(195)10x-2.8=14.2(196)x+4.7=10.3(197)3.8x+3.7x=135(198)(12x-10)÷2=37(199)1.6x-0.3×9=14.9(200)8x÷16=1.2(201)8.8-1.6x=2.4(202)18x-14x=16(203)2(2.5x-2.5)=10(204)6.7x+5.1x-1.5=151.9(205)21x+51=156(206)15x+39=219(207)5x+4x-15=219(208)4x+3x=154(209)29x-10x-3.7=17.2(210)9.1x-1.2x=15.8(211)3.8+0.4x=23.4(212)1.5x-0.3x=67.2(213)0.5x-1.4=14.6(214)3x-21×0.2=4.2(215)16x-3x-39=104(216)91x+24x-2.6=20.4(217)4(2x-36)=112(218)32x-5.7=3.9(219)11x-11×8=44(220)0.2x-2=3.8(221)2(3x-38)=32(222)14.8+2x=32(223)3.8x-2.1x+4.8=20.1(224)9.1x-7.4x+3.6=18.9(225)14x-9x-19=46(226)2x÷44=0.3(227)5.9x-4.4x-1.9=5.6(228)39x+2.2=10(229)1.7x+0.4×5=17.3(230)3.9x+2.2x+4.1=132.2(231)45x+10x+2=46(232)(5x-5.2)÷2=2.4(233)7.2x+3.8x=143(234)8x-1.7x=75.6(235)12x-2.2=6.2(236)50-x=12(237)77+32x=205(238)0.4x+3.7×4=18.4(239)x+2.1=4.6(240)8.5x÷5=3.4(241)9.4x=18.8(242)3(6x+4)=102(243)13.2+4x=18(244)196+8x=244(245)8x-6x+44=78(246)2.1x-0.2×48=7.2(247)14+47x=23.4(248)7.6+x=11.2(249)7x÷21=0.3(250)23x+7x+2.2=104.2(251)0.5x-0.3×49=2.8(252)(4.7x+7.4)÷21=0.8(253)17.6-1.9x=10(254)(12x-8)÷43=4(255)0.4x+2.2x-1.2=74.2(256)14x÷2=2.1(257)(6x+10)÷8=5(258)6x-3x+29=86(259)(3x+6)÷4=6(260)0.3x+2.8=13(261)3.6x-0.4×11=10(262)3x+3.9=12.9(263)11x-23×0.5=2.8(264)68x-46x-2=26.6(265)4x+6.1x-4.4=56.2(266)18x-2x+3.9=10.3(267)24x+97x+1.8=74.4(268)x+36=94(269)25+x=111(270)(4.1x-3.1)÷3=14(271)14.5÷x=0.5(272)(8.6x+7.6)÷10=8.5(273)7(4x+9)=147(274)3(0.6x+4.2)=19.8(275)8.8x-5.9x+2.9=34.8(276)x-4.2=4.7(277)8x-5x-12=21(278)x+3.3=12.1(279)168÷x=14(280)17x-12x-22=18(281)72÷x=3(282)20x+10x-1.8=46.2(283)9.3-x=2.7(284)25x÷5=10(285)2(4x+5)=138(286)2(2x+26)=72(287)8.8x=17.6(288)69x-11x+0.2=23.4(289)79x=15.8(290)69x+45x-2.8=111.2(291)42x-6×1.6=7.2(292)0.2x÷49=0.4(293)4x-2x+14=54(294)(10x+10)÷4=35(295)5x-42=83(296)40x-18=62(297)4.5x÷3=3(298)x÷42=3(299)10.4÷x=0.4(300)147-3x=132(301)6(x+21)=156(302)(3.8x-5.4)÷4=9.1(303)3(4x+37)=147(304)4.8x-1.3×3=5.7(305)16x=112(306)(6.4x-5.9)÷7=1.9(307)172÷x=2(308)x-43=19(309)5.3+x=10.8(310)15x-4=8(311)x+0.5=5.7(312)x÷7=1.6(313)2x+5.1=22.7(314)5x+4×1.5=9.5(315)28x-4.8=9.2(316)x+0.8=7.3(317)6.9x+1.9x+1=18.6(318)1.1x+0.8×25=39.8(319)5x-2×52=71(320)x÷17=6(321)16.1÷x=0.7(322)1.9x-1.7x-1.3=6.7(323)36x-5.2=9.2(324)9.2+31x=24.7(325)8.6-x=4.7(326)4.3x-1.7=6.9(327)(0.7x-1.5)÷15=0.6(328)7.4-8x=1.8(329)4.6x+3x-4.8=109.2(330)92x-71x-2.4=16.5(331)(8x-30)÷5=26(332)41x+93x-1.6=92.2(333)79x+60x-0.4=110.8(334)132÷x=12(335)x-2=70(336)10.5-0.2x=2.3(337)14x-3x-7=59(338)2x÷21=6(339)2.5+x=4.9(340)x÷9=21(341)x÷18=0.6(342)11x+6x=51(343)1.6x-4.1×2=4.6(344)3.3+6x=18.9(345)0.6x-3.3×4=2.4(346)7x=9.1(347)12+x=80(348)1.3x+2.2x-4.6=86.4(349)190-11x=168(350)4(0.2x+0.9)=22(351)18x-15x=18(352)117-12x=69(353)16x-14x+42=58(354)133-40x=53(355)196+10x=226(356)x÷19=0.4(357)128-6x=56(358)x÷55=3(359)69-x=33(360)10x+5x+3=288(361)7(4.2x-3)=37.8(362)2x-13×7=71(363)85+2x=265(364)8x-5.2x-2.8=19.6(365)2(1.2x+5.9)=16.6(366)x÷13=0.8(367)x-2=6(368)9x-3x-13=77(369)8x+92×2=200(370)x÷20=0.6(371)32+x=81(372)8x+2x+27=207(373)13.8-2x=9(374)x÷15=0.6(375)2.6x-0.8x+4.3=63.7(376)0.4x=8.4(377)3(0.8x-3.4)=30.6(378)98+x=149(379)(4.8x+4.4)÷5=7.6(380)72x=144(381)9.9-x=1.9(382)6.9x-5.7x=9.6(383)91+x=145(384)0.8x+5.7=14.5(385)9.8x-6.8x=27(386)12(x+7)=156(387)2x-1.6=3.6(388)x+25=122(389)7x+4x=220(390)7.7-x=1.7(391)9.6÷x=4.8(392)5x-3.5x-1.4=18.1(393)8.3-x=3.1(394)(3x+2)÷20=0.7(395)8.2x-4.1x-2.2=14.2(396)30x-10x-1.1=8.9(397)x+0.2=3.5(398)(18x-18)÷6=24(399)9x+11×0.5=14.5(400)5.1x-1.7x+3.1=64.3(401)30x+6x-3.1=36.5(402)28-x=15(403)0.2x-1.9=16.7(404)0.6x÷16=0.3(405)10x+13x+37=175(406)4x-2x=88(407)18x-3x+9=39(408)92x+59=243(409)8x+11x=228(410)12x-4x=40(411)5.7x+2.6x+2.8=94.1(412)x÷30=5(413)0.4x÷2=3.4(414)13x=2.6(415)x+33=55(416)24x+81x-2.2=92.3(417)x÷12=6(418)36x+10x+2=103.2(419)30÷x=2(420)4x+3.9=14.3(421)8.4÷x=0.2(422)7x-4x+8=23(423)3x-41=88(424)(7x+36)÷6=13(425)186+4x=378(426)3x+18x=210(427)0.3x÷12=1.1(428)5x+16×0.3=12.8(429)3(4.8x-1.5)=38.7(430)10.1-0.9x=8.3(431)136+3x=247(432)0.8x-3.4=3(433)135-3x=54(434)5.1x-2.6x+3.8=36.3(435)8.4x=16.8(436)7x+3x-16=64(437)6.8-x=2.4(438)(9.5x+9.3)÷21=1.8(439)4.5x=18(440)2x+4×28=210(441)44x+5×3.1=33.1(442)3x+7x+22=242(443)6.5x+4.2x=42.8(444)4x+8x=228(445)20x÷4=25(446)6x+4x-45=25(447)2.1x+0.5×24=22.5(448)6.2+x=14.4(449)5x+18x=46(450)6(1.7x+2.5)=35.4(451)x-4.4=4.4(452)4+x=13.1(453)x+1.9=5.3(454)(2.7x-2.4)÷3=8.2(455)8x÷24=0.5(456)6.5x-4.9=8.1(457)0.3x-0.3×4=3.9(458)13x+4×1.9=18(459)6(6x-13)=102(460)91+x=135(461)2.3x=11.5(462)4.5x-2.7x+1.7=17.9(463)9.6-x=6(464)1.8x=5.4(465)7.7+4x=26.5(466)(11x-11)÷6=22(467)2x+57×3=279(468)2x+11x-13=52(469)0.2x-1.9=3.3(470)18.7+0.6x=23.5(471)12x+2×47=262(472)(8x+30)÷10=15(473)9x-4x+2=37(474)0.8x+1.3x+2.7=132.9(475)(2x+5.5)÷5=5.9(476)14x-5x-12=51(477)x-24=58(478)8x-2×18=116(479)9x÷3=33(480)x+60=75(481)12(x-15)=156(482)10.3-1.5x=5.8(483)6x-8×20=20(484)13-3x=8.2(485)1.9x+5.4x-4.1=83.5(486)20x÷18=10(487)9x-6x-3=63(488)20(0.2x-8.5)=26(489)132-2x=44(490)(19x+6)÷14=14(491)17x-3x=56(492)1.2+x=10(493)2.5x-2.3x+3.8=11(494)50÷x=5(495)0.7x-0.7×23=1.4(496)61+2x=237(497)78x-70x-3.2=4.8(498)9x-31=104(499)27x=8.1(500)85x-15x+4.7=53.7(501)x+65=80(502)x+18=40(503)43x-2x+4.6=74.3(504)2x+43×3=155(505)3.7x+2.9x+2.2=74.8(506)0.2x+3.8=16.8(507)1.1x+5.9x=42(508)12x÷6=4(509)11.6÷x=0.4(510)(3.3x-9.3)÷3=16.7(511)9.3x+2.3x=34.8(512)3.8x-1.9x-4=20.7(513)(8x+10)÷30=7(514)5x+10x-9=246(515)x-2.1=4.2(516)14x-5x=108(517)15x-31×0.2=4.3(518)x+1.7=4.3(519)2(10x-8)=24(520)5x+3x+41=273(521)2x-14=182(522)13x+17x+26=146(523)10x÷30=0.2(524)0.4x+0.4×30=24.4(525)x-30=13(526)2(0.9x+4.7)=40(527)(10x-38)÷2=46(528)11.9+0.3x=29.6(529)4x=96(530)64x+31x+1.4=143.9(531)22x+63x-0.3=59.2(532)7.6x-5x-3.8=11.8(533)1x÷5=2.8(534)5(1.7x-9)=14.5(535)18x+7x-25=75(536)4x=14.4(537)100+17x=287(538)6(8x-47)=150(539)47x+4.9=23.7(540)12.8-6x=11參考答案(1)x=3(2)x=10(3)x=10(4)x=8.2(5)x=24(6)x=2(7)x=9(8)x=19(9)x=3(10)x=97(11)x=52(12)x=23(13)x=1(14)x=0.5(15)x=10(16)x=13(17)x=0.2(18)x=1(19)x=2.1(20)x=10(21)x=29(22)x=6.9(23)x=30(24)x=42(25)x=4(26)x=49(27)x=2(28)x=0.7(29)x=21(30)x=0.2(31)x=1.5(32)x=18(33)x=13(34)x=56(35)x=0.7(36)x=6.9(37)x=3.3(38)x=0.3(39)x=2(40)x=2(41)x=5(42)x=8(43)x=4(44)x=7(45)x=1.1(46)x=5(47)x=2(48)x=7(49)x=7(50)x=12(51)x=3(52)x=55(53)x=7(54)x=2.7(55)x=6(56)x=3(57)x=21(58)x=57(59)x=54(60)x=18(61)x=87(62)x=4(63)x=14(64)x=8(65)x=2.4(66)x=0.4(67)x=43(68)x=29(69)x=2(70)x=2(71)x=7.4(72)x=0.8(73)x=2(74)x=0.5(75)x=1.4(76)x=49(77)x=16(78)x=59(79)x=65(80)x=11(81)x=0.8(82)x=19(83)x=0.3(84)x=8(85)x=9(86)x=15(87)x=0.6(88)x=4(89)x=0.4(90)x=5.7(91)x=3(92)x=21(93)x=0.4(94)x=4(95)x=4(96)x=18(97)x=1.5(98)x=2(99)x=0.2(100)x=15(101)x=0.4(102)x=5(103)x=26(104)x=8(105)x=36(106)x=39(107)x=2(108)x=8(109)x=10(110)x=7(111)x=7(112)x=31(113)x=6(114)x=5(115)x=1.2(116)x=11(117)x=2(118)x=89(119)x=4(120)x=42(121)x=4(122)x=8.6(123)x=9.9(124)x=6.4(125)x=4(126)x=27(127)x=32(128)x=8(129)x=7(130)x=3(131)x=5(132)x=29(133)x=6(134)x=27(135)x=5.7(136)x=4.2(137)x=0.3(138)x=64(139)x=7(140)x=2(141)x=76(142)x=9(143)x=5(144)x=5(145)x=1.2(146)x=27(147)x=17(148)x=28(149)x=14(150)x=3(151)x=9(152)x=6(153)x=87(154)x=75(155)x=0.4(156)x=26(157)x=1(158)x=5.7(159)x=0.6(160)x=16(161)x=3(162)x=176(163)x=0.7(164)x=24(165)x=0.3(166)x=0.9(167)x=7(168)x=1(169)x=4(170)x=19(171)x=0.4(172)x=0.2(173)x=43(174)x=94(175)x=12(176)x=19(177)x=1.2(178)x=48(179)x=12(180)x=19(181)x=9(182)x=14(183)x=72(184)x=0.3(185)x=22(186)x=1.7(187)x=17(188)x=18(189)x=12(190)x=1.5(191)x=0.2(192)x=1.4(193)x=2.3(194)x=3.2(195)x=1.7(196)x=5.6(197)x=18(198)x=7(199)x=11(200)x=2.4(201)x=4(202)x=4(203)x=3(204)x=13(205)x=5(206)x=12(207)x=26(208)x=22(209)x=1.1(210)x=2(211)x=49(212)x=56(213)x=32(214)x=2.8(215)x=11(216)x=0.2(217)x=32(218)x=0.3(219)x=12(220)x=29(221)x=18(222)x=8.6(223)x=9(224)x=9(225)x=13(226)x=6.6(227)x=5(228)x=0.2(229)x=9(230)x=21(231)x=0.8(232)x=2(233)x=13(234)x=12(235)x=0.7(236)x=38(237)x=4(238)x=9(239)x=2.5(240)x=2(241)x=2(242)x=5(243)x=1.2(244)x=6(245)x=17(246)x=8(247)x=0.2(248)x=3.6(249)x=0.9(250)x=3.4(251)x=35(252)x=2(253)x=4(254)x=15(255)x=29(256)x=0.3(257)x=5(258)x=19(259)x=6(260)x=34(261)x=4(262)x=3(263)x=1.3(264)x=1.3(265)x=6(266)x=0.4(267)x=0.6(268)x=58(269)x=86(270)x=11(271)x=29(272)x=9(273)x=3(274)x=4(275)x=11(276)x=8.9(277)x=11(278)x=8.8(279)x=12(280)x=8(281)x=24(282)x=1.6(283)x=6.6(284)x=2(285)x=16(286)x=5(287)x=2(288)x=0.4(289)x=0.2(290)x=1(291)x=0.4(292)x=98(293)x=20(294)x=13(295)x=25(296)x=2(297)x=2(298)x=126(299)x=26(300)x=5(301)x=5(302)x=11(303)x=3(304)x=2(305)x=7(306)x=3(307)x=86(308)x=62(309)x=5.5(310)x=0.8(311)x=5.2(312)x=11.2(313)x=8.8(314)x=0.7(315)x=0.5(316)x=6.5(317)x=2(318)x=18(319)x=35(320)x=102(321)x=23(322)x=40(323)x=0.4(324)x=0.5(325)x=3.9(326)x=2(327)x=15(328)x=0.7(329)x=15(330)x=0.9(331)x=20(332)x=0.7(333)x=0.8(334)x=11(335)x=72(336)x=41(337)x=6(338)x=63(339)x=2.4(340)x=189(341)x=10.8(342)x=3(343)x=8(344)x=2.6(345)x=26(346)x=1.3(347)x=68(348)x=26(349)x=2(350)x=23(351)x=6(352)x=4(353)x=8(354)x=2(355)x=3(356)x=7.6(357)x=12(358)x=165(359)x=36(360)x=19(361)x=2(362)x=81(363)x=90(364)x=8(365)x=2(366)x=10.4(367)x=8(368)x=15(369)x=2(370)x=12(371)x=49(372)x=18(373)x=2.4(374)x=9(375)x=33(376)x=21(377)x=17(378)x=51(379)x=7(380)x=2(381)x=8(382)x=8(383)x=54(384)x=11(385)x=9(386)x=6(387)x=2.6(388)x=97(389)x=20(390)x=6(391)x=2(392)x=13(393)x=5.2(3