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)18.6-0.2x=16.6(2)28÷x=7(3)40x+3.1=11.1(4)2.8+25x=15.3(5)19.4-85x=2.4(6)x÷2=7(7)0.8x=1.6(8)0.6x÷4=3.3(9)4(1.9x+2)=30.8(10)x÷3=5(11)x÷6=1.8(12)14x-5x=81(13)0.3x-2.8=8.9(14)2x=12.8(15)0.5x+0.6×25=20(16)15x-7x=16(17)12x-3x-42=39(18)14x+11x+23=123(19)5.8x-5.4x=2.4(20)12x÷3=2(21)9.1x÷7=2.6(22)0.2x-1.3=5.3(23)1.4x÷42=0.3(24)12x+8×21=288(25)12(15x-14)=192(26)x-27=42(27)7.1+x=11.2(28)5x-2x+25=43(29)2(19x+26)=128(30)x÷9=12(31)5.2x-4.5x+4.3=16.2(32)2x+3.6=15.6(33)1.2+0.2x=2.8(34)3x+17x=220(35)6x+5x+27=49(36)(13x-6)÷8=22(37)8x-5×1.4=13(38)x+0.7=9.8(39)x÷86=2(40)x-12=38(41)10x+22×0.4=28.8(42)x+8.9=9.8(43)5(0.2x+3.9)=21.5(44)2.9x+0.4x+3.6=96(45)7x-2x+34=119(46)1.7+x=7.4(47)180÷x=18(48)18x+32=194(49)18x-10x=32(50)13(x-25)=156(51)3(3.1x-2.1)=49.5(52)73x-22=124(53)45x+47x-3.3=33.5(54)18.1-0.4x=13.3(55)3(0.4x-9.6)=16.8(56)0.4x+3.2×3=27.2(57)4x=5.2(58)1.8x+0.6×20=17.4(59)16x-5x=33(60)4x-5.8=1(61)20x+9×0.6=9.4(62)16.2-0.3x=7.8(63)x-4.2=2.4(64)29+x=56(65)86-x=78(66)0.5x-0.3×7=9.4(67)4x÷8=0.3(68)91+x=109(69)11+31x=73(70)(14x+43)÷47=3(71)99-x=97(72)17x+11x-22=230(73)16x-4x+30=90(74)0.2x=14.4(75)9.5+x=16.6(76)3x÷2=30(77)9.1-0.2x=7.7(78)(10x-44)÷13=12(79)47x-4x-2=62.5(80)2x÷7=1.2(81)41x+46x+2.3=124.1(82)1.7x=17(83)19.6+1x=29.6(84)3.3x+3.7x+4.2=67.2(85)14x+15x-32=316(86)19.6-5x=18.6(87)28x-64×2=12(88)16x+22x-3.9=117.7(89)11x+5x=112(90)x÷26=0.4(91)14x+15x=203(92)0.8x-4.1=8.7(93)6.6x+3=22.8(94)160+12x=304(95)6.9x+1.3x=65.6(96)9x-6x=24(97)17.5+4.5x=31(98)7.6+18x=25.6(99)4x+11x+11=116(100)1x-0.3×32=8.4(101)1.8x-3=2.4(102)4.7-x=4.1(103)72-x=12(104)3.6x+5.7x+4.8=162.9(105)2x÷50=0.4(106)2x-0.8x+2.5=50.5(107)31x+9x-4.4=111.6(108)95÷x=5(109)35x+4.6=22.1(110)54x-7x-4.6=51.8(111)14x-9x=35(112)x+0.8=7.3(113)14x÷7=1.2(114)x-1.1=6.3(115)2.2x÷88=0.2(116)149-9x=86(117)5x+4x+37=262(118)3.7-x=2.7(119)9.9-x=1(120)6.3÷x=2.1(121)89x-49=129(122)92x-89x+1.5=3.9(123)3x-2.4x-3.3=9.3(124)73+10x=163(125)2(2x+14)=152(126)3x÷7=0.6(127)x-5.2=1.6(128)1.8x=12.6(129)(5.4x+7.4)÷2=17.2(130)6x-27×0.4=7.8(131)28x÷14=1.4(132)x÷22=0.6(133)16x+36x-1.4=87(134)6.4x-4.4x-0.4=7.6(135)3x-1.9=16.1(136)39+x=100(137)0.3x-1.6×7=2.6(138)16.1+5x=36.1(139)13x-11x-2=28(140)13x-7×22=41(141)5x-7×0.5=13(142)3.4x-1.4×3=6(143)8.1x+1.1x=55.2(144)3.3x-1.1x=26.4(145)5.6x-1x-0.3=8.9(146)7.9x-7.4x-2.3=2.7(147)6x+14×7=242(148)2(7x-1.4)=39.2(149)9+x=46(150)3x-42×0.2=1.2(151)14.4÷x=0.6(152)7.6+17x=12.7(153)11x-4×12=106(154)x÷2=4.8(155)40x-4=8(156)(10x-8)÷2=111(157)95+x=194(158)5-13x=1.1(159)5.6÷x=2.8(160)(5x+4)÷24=1(161)2(2.2x+9.8)=46(162)5x+34=79(163)6x-8×14=62(164)(4.6x-3.2)÷10=2.9(165)x+22=58(166)80+10x=160(167)3x+10x-24=171(168)57x-2.4=14.7(169)17x+4x=168(170)4(0.3x+5.6)=39.2(171)4x+24=116(172)16.2-0.7x=9.2(173)6x-5×12=114(174)3(1.5x-9.8)=6.6(175)60x-36x+1=22.6(176)x+9=10.2(177)(8x+8)÷5=40(178)x-2.7=1.4(179)13x-11=15(180)x+3.4=6(181)2x+41=239(182)1.3x+5.5=9.4(183)9-x=1.5(184)(3.8x-9.3)÷15=0.9(185)14.4+0.3x=21(186)3x-4×22=56(187)1.1x-0.9x+0.9=14.3(188)6.7x-1.1x+3.5=59.5(189)1.8x-1.3=14.9(190)0.2x+2×4=11.2(191)(1.5x+3.6)÷29=0.9(192)x+4.9=14.3(193)2x+2.4=12(194)13x+31×2=140(195)18x+13x-43=267(196)13.2+0.5x=26.2(197)8(0.8x-7.7)=21.6(198)7x+8x=75(199)8.6x-5.2x-3.9=23.3(200)72+x=102(201)2.5x-1.3x+4.7=25.1(202)16.3-3x=4.3(203)83x-76x+1.4=4.2(204)18x=90(205)16x+19x+2.5=174(206)0.8÷x=0.4(207)13.7-3x=4.4(208)3(2.7x+0.5)=42(209)17x+32×0.6=26(210)38x+6×2.8=24.4(211)x÷6=21(212)15x+62x-4.2=80.5(213)7.6+x=11(214)188-9x=89(215)102-37x=28(216)3.6x+4.5x+1.2=171.3(217)28x-3×0.7=9.1(218)3.4x+6.6x=80(219)x-3.8=4.9(220)75-27x=21(221)12x+2×2.2=21.2(222)10x+3x=260(223)42x-2.8=9.8(224)2.5x-0.5x-3.7=52.3(225)13(x-4)=195(226)87+2x=167(227)6x+4×49=358(228)4(3.1x-8.7)=27.2(229)4.6x-3.2x=26.6(230)12x-6x-25=17(231)(4.9x-2.1)÷35=1.9(232)2.1x-1.9x+1.5=10.3(233)6.8÷x=1.7(234)2x+4.8x=20.4(235)1.8x-1.2x=31.2(236)20x÷4=40(237)5x=170(238)41x+2.6=19(239)(13x+44)÷10=20(240)13x-3.4=12.2(241)(14x+37)÷41=5(242)14(3x-17)=140(243)(9x+35)÷10=8(244)80x+77x+4.6=193(245)33x=19.8(246)1x+4.3x+3.5=24.7(247)x÷11=0.5(248)43x-6x+1.7=20.2(249)180÷x=12(250)0.6x-2.6×6=3(251)1x-0.2×10=16(252)5x-12=18(253)43x=129(254)3(x+22)=165(255)4.9x-0.3x+4.3=68.7(256)68÷x=34(257)14x-4x-27=53(258)7x÷91=0.2(259)4x-2x-16=68(260)6x+16x-4=216(261)4.9x-0.5x+3=51.4(262)15.3-33x=5.4(263)0.3x+4.8=11.1(264)16x+8x+10=250(265)94+3x=232(266)2x+3×2.1=10.9(267)194-35x=124(268)x÷6=20(269)17x+13=81(270)(5.4x+3.6)÷15=4.2(271)43+24x=139(272)7.1-x=6.4(273)8.2x+7x-4.6=117(274)86-x=13(275)8x+17x-46=129(276)13.7+0.3x=17.9(277)x÷3=7(278)(16x+39)÷3=45(279)5x+9x=294(280)5.8x+4.7x-2.1=123.9(281)63x÷42=0.3(282)8.7x-0.2x=42.5(283)6x÷8=12(284)61-x=30(285)53x+63x+4.6=120.6(286)9.7+3.5x=27.2(287)17x-7x+11=31(288)7.2+18x=14.4(289)0.4x+5.9x=37.8(290)6x=78(291)21x+3.5=22.4(292)144-5x=39(293)1.5x=6(294)67x-25=109(295)18x+3×66=270(296)x-52=34(297)x+67=73(298)77x-24=130(299)2.5x+8.8x-1.9=20.7(300)2.8x+1.8x-1.5=154.9(301)38x+20x+2.6=112.8(302)0.3x+4.5x+4.4=47.6(303)9.6x-8.8x+4.7=11.1(304)8x+15=159(305)2(9.8x-4.9)=49(306)157-2x=77(307)(3.7x-4.9)÷2=21.6(308)5.8+x=11(309)21x-18x-2.5=7.7(310)3.9x+3.6×5=25.8(311)56x-33x+2.4=23.1(312)9.1x+1.6=19.8(313)13.2+18x=33(314)9x+11x-16=344(315)86x-53x+1=10.9(316)(7x+43)÷32=2(317)9x+1.2=21(318)3.4+x=11.2(319)140-13x=88(320)3.3x+3.8=17(321)51+x=101(322)2x÷10=16(323)0.6x-0.4x=4.8(324)9÷x=3(325)19x-10x+44=98(326)x÷31=0.5(327)0.2x=3.2(328)(10x-22)÷48=1(329)9.8-x=8.4(330)15.6÷x=1.3(331)4(2x-2)=96(332)27x-3×17=57(333)(6x-42)÷34=3(334)12x+33x+3.6=93.6(335)x÷78=0.2(336)2.4x+1.9x-1.7=58.5(337)(3.7x-9.9)÷23=1.5(338)2x÷24=5(339)119÷x=7(340)3(11x-17)=81(341)3(x-29)=36(342)18.9-4.6x=9.7(343)11x-1.2=3.2(344)2(7.9x+2.6)=36.8(345)(6.2x-6)÷18=0.7(346)16.5-1x=4.5(347)2x-41=11(348)62x=124(349)32x-23x+2=10.1(350)7.7+12x=10.1(351)0.2x+0.2×44=15.4(352)85x÷10=17(353)3x+5=8.9(354)2(12x+2)=124(355)18x+13×12=264(356)2x+3×0.9=10.3(357)0.7x+0.8×6=9(358)x+3.4=11.5(359)2x+3x+29=79(360)8.7-x=3.5(361)10(10x-40)=100(362)24(0.2x+0.7)=45.6(363)78x-31x-3.3=43.7(364)8x+18x=234(365)(4.6x-0.3)÷7=3.9(366)75-x=16(367)10x+3×52=226(368)13x+15x=280(369)17.6-41x=5.3(370)0.5+x=2.7(371)10x-1.5=8.5(372)14x+7x+31=241(373)x+85=117(374)x÷4=13(375)1.7x-3.5=3.3(376)2x=162(377)6x÷12=4(378)x-1.6=5.4(379)2(10x+38)=196(380)2(2x+6.5)=41(381)40x-23×0.2=7.4(382)x÷10=1.7(383)9.6x-8x-2.1=13.9(384)2x-1.8=5.6(385)52x-41x-3.1=9(386)54-x=12(387)4x+9x+48=126(388)9x+44=215(389)21+x=53(390)(5x-10)÷10=12(391)160+16x=304(392)(x+8.5)÷5=2.9(393)11x÷22=0.5(394)(14x-36)÷17=2(395)5x=6.5(396)5(0.6x+5.7)=37.5(397)x-18=55(398)7x-56=77(399)71x-16x+4.9=54.4(400)7.7x+5.3x-4.8=47.2(401)12x-5x-41=29(402)8.4x+2.8x+0.7=67.9(403)4.6x-1.4x-1.6=8(404)x+9.8=18.4(405)1.6x-2.4×6=1.6(406)20x-6×2.3=6.2(407)(2.1x+1.8)÷3=2(408)8.9-x=3.2(409)13x-7x-26=22(410)1.6x+0.7×24=20(411)5.2x-1.6x=50.4(412)45x+51x-3.6=140.4(413)15.5-3x=14(414)0.5x-4.1×2=6.3(415)96÷x=16(416)0.2x+4.9=18.5(417)(7.5x-7.3)÷8=9.4(418)2x-15=79(419)0.7x-2.1=2.8(420)x+80=123(421)2.6x=18.2(422)x÷6=26(423)185+10x=305(424)91x+11x-4.5=26.1(425)7x-3x=20(426)7.7x+7.2x=59.6(427)(9.4x-7)÷2=43.5(428)5x-3x+9=65(429)8.1-0.2x=1.7(430)5x+4x-2.7=51.3(431)x+51=65(432)(3.4x+8.4)÷2=31.4(433)9x÷27=2(434)85x+19x-0.2=62.2(435)6.4x+2.5=15.3(436)2x-2×53=90(437)6x+3x-11=106(438)7x+2=8.3(439)14x-2x+23=179(440)(4.1x+9.6)÷5=5.2(441)x+31=45(442)0.2x+2.3×2=10.6(443)21x+22x+1.6=126.3(444)x+48=141(445)2(9x+7)=68(446)4x-6×19=54(447)x-11=29(448)67-x=11(449)6.2+12x=11(450)68-x=44(451)4.7+x=9.1(452)92x-72x-4.5=15.5(453)145÷x=5(454)6.6x+3.4x+4.6=44.6(455)10.4÷x=0.8(456)2x=3(457)9x=81(458)2x=90(459)6x+12x-24=228(460)2(x+34)=84(461)x-24=15(462)x-19=36(463)2x+8×15=242(464)4.6x-2.3x=41.4(465)0.5x+5.7=12.2(466)9.2x+3.4x-4.6=121.4(467)11+2.4x=25.4(468)x-6.6=2.7(469)12x+4x+14=238(470)2x+33=83(471)9.5+x=18.6(472)5(4x+9)=185(473)60x-6x-2.3=62.5(474)8.5-x=7.7(475)x+1.5=11(476)3x+34×0.3=18.9(477)17.6-0.4x=13.2(478)0.2x+3.8x-2.8=81.2(479)4.8x÷8=1.2(480)16x-3x=130(481)38x=114(482)6.5x+1.9=21.4(483)x+51=97(484)5.8÷x=2.9(485)x-66=15(486)70x-5x-1.7=43.8(487)2(x+16)=58(488)(8x+40)÷26=4(489)37x=14.8(490)3.1x+6.5x-1.5=56.1(491)(7.6x+7.1)÷3=27.7(492)6.1x+7.9x=56(493)x-0.9=2.3(494)(13x-36)÷2=99(495)x÷7=1.8(496)5(2x-31)=175(497)6.9x÷3=4.6(498)4x+21×0.6=19.8(499)20x-7x-2.9=32.2(500)21x÷7=6(501)34x=13.6(502)12x+4x+4.7=76.7(503)3.9x÷15=1.3(504)14+x=82(505)18.6-7x=6.7(506)0.7x-2.6×6=1.9(507)3x=3.3(508)7.1x+4.1x=67.2(509)3x+25x+3.8=59.8(510)3.1x-1.1x-4.3=13.7(511)3x-10×0.2=7(512)8.5x÷10=1.7(513)2.4x+9.4x+4.3=86.9(514)(1.1x+2.3)÷28=0.2(515)7x+13=97(516)12x-7x-21=59(517)92x-7x+3.2=79.7(518)0.3x=3(519)120÷x=15(520)x+29=89(521)3x=6.9(522)6x-3x=39(523)4.5+7x=22(524)14x-7x+12=68(525)3x+2×15=99(526)1.2x-0.8x=24.8(527)40x-4.6=7.4(528)17.6+3x=23(529)2.1x-2.3=12.4(530)3(0.7x-3.2)=21.9(531)x-49=31(532)12x-10x+48=62(533)(14x-28)÷13=14(534)75-10x=35(535)19(3x-6.4)=49.4(536)3x=15(537)x-5.3=1.7(538)15x-6x-17=46(539)1.9x+9.6x=69(540)11x-32×0.3=10.2參考答案(1)x=10(2)x=4(3)x=0.2(4)x=0.5(5)x=0.2(6)x=14(7)x=2(8)x=22(9)x=3(10)x=15(11)x=10.8(12)x=9(13)x=39(14)x=6.4(15)x=10(16)x=2(17)x=9(18)x=4(19)x=6(20)x=0.5(21)x=2(22)x=33(23)x=9(24)x=10(25)x=2(26)x=69(27)x=4.1(28)x=6(29)x=2(30)x=108(31)x=17(32)x=6(33)x=8(34)x=11(35)x=2(36)x=14(37)x=2.5(38)x=9.1(39)x=172(40)x=50(41)x=2(42)x=0.9(43)x=2(44)x=28(45)x=17(46)x=5.7(47)x=10(48)x=9(49)x=4(50)x=37(51)x=6(52)x=2(53)x=0.4(54)x=12(55)x=38(56)x=44(57)x=1.3(58)x=3(59)x=3(60)x=1.7(61)x=0.2(62)x=28(63)x=6.6(64)x=27(65)x=8(66)x=23(67)x=0.6(68)x=18(69)x=2(70)x=7(71)x=2(72)x=9(73)x=5(74)x=72(75)x=7.1(76)x=20(77)x=7(78)x=20(79)x=1.5(80)x=4.2(81)x=1.4(82)x=10(83)x=10(84)x=9(85)x=12(86)x=0.2(87)x=5(88)x=3.2(89)x=7(90)x=10.4(91)x=7(92)x=16(93)x=3(94)x=12(95)x=8(96)x=8(97)x=3(98)x=1(99)x=7(100)x=18(101)x=3(102)x=0.6(103)x=60(104)x=17(105)x=10(106)x=40(107)x=2.9(108)x=19(109)x=0.5(110)x=1.2(111)x=7(112)x=6.5(113)x=0.6(114)x=7.4(115)x=8(116)x=7(117)x=25(118)x=1(119)x=8.9(120)x=3(121)x=2(122)x=0.8(123)x=21(124)x=9(125)x=31(126)x=1.4(127)x=6.8(128)x=7(129)x=5(130)x=3.1(131)x=0.7(132)x=13.2(133)x=1.7(134)x=4(135)x=6(136)x=61(137)x=46(138)x=4(139)x=15(140)x=15(141)x=3.3(142)x=3(143)x=6(144)x=12(145)x=2(146)x=10(147)x=24(148)x=3(149)x=37(150)x=3.2(151)x=24(152)x=0.3(153)x=14(154)x=9.6(155)x=0.3(156)x=23(157)x=99(158)x=0.3(159)x=2(160)x=4(161)x=6(162)x=9(163)x=29(164)x=7(165)x=36(166)x=8(167)x=15(168)x=0.3(169)x=8(170)x=14(171)x=23(172)x=10(173)x=29(174)x=8(175)x=0.9(176)x=1.2(177)x=24(178)x=4.1(179)x=2(180)x=2.6(181)x=99(182)x=3(183)x=7.5(184)x=6(185)x=22(186)x=48(187)x=67(188)x=10(189)x=9(190)x=16(191)x=15(192)x=9.4(193)x=4.8(194)x=6(195)x=10(196)x=26(197)x=13(198)x=5(199)x=8(200)x=30(201)x=17(202)x=4(203)x=0.4(204)x=5(205)x=4.9(206)x=2(207)x=3.1(208)x=5(209)x=0.4(210)x=0.2(211)x=126(212)x=1.1(213)x=3.4(214)x=11(215)x=2(216)x=21(217)x=0.4(218)x=8(219)x=8.7(220)x=2(221)x=1.4(222)x=20(223)x=0.3(224)x=28(225)x=19(226)x=40(227)x=27(228)x=5(229)x=19(230)x=7(231)x=14(232)x=44(233)x=4(234)x=3(235)x=52(236)x=8(237)x=34(238)x=0.4(239)x=12(240)x=1.2(241)x=12(242)x=9(243)x=5(244)x=1.2(245)x=0.6(246)x=4(247)x=5.5(248)x=0.5(249)x=15(250)x=31(251)x=18(252)x=6(253)x=3(254)x=33(255)x=14(256)x=2(257)x=8(258)x=2.6(259)x=42(260)x=10(261)x=11(262)x=0.3(263)x=21(264)x=10(265)x=46(266)x=2.3(267)x=2(268)x=120(269)x=4(270)x=11(271)x=4(272)x=0.7(273)x=8(274)x=73(275)x=7(276)x=14(277)x=21(278)x=6(279)x=21(280)x=12(281)x=0.2(282)x=5(283)x=16(284)x=31(285)x=1(286)x=5(287)x=2(288)x=0.4(289)x=6(290)x=13(291)x=0.9(292)x=21(293)x=4(294)x=2(295)x=4(296)x=86(297)x=6(298)x=2(299)x=2(300)x=34(301)x=1.9(302)x=9(303)x=8(304)x=18(305)x=3(306)x=40(307)x=13(308)x=5.2(309)x=3.4(310)x=2(311)x=0.9(312)x=2(313)x=1.1(314)x=18(315)x=0.3(316)x=3(317)x=2.2(318)x=7.8(319)x=4(320)x=4(321)x=50(322)x=80(323)x=24(324)x=3(325)x=6(326)x=15.5(327)x=16(328)x=7(329)x=1.4(330)x=12(331)x=13(332)x=4(333)x=24(334)x=2(335)x=15.6(336)x=14(337)x=12(338)x=60(339)x=17(340)x=4(341)x=41(342)x=2(343)x=0.4(344)x=2(345)x=3(346)x=12(347)x=26(348)x=2(349)x=0.9(350)x=0.2(351)x=33(352)x=2(353)x=1.3(354)x=5(355)x=6(356)x=3.8(357)x=6(358)x=8.1(359)x=10(360)x=5.2(361)x=5(362)x=6(363)x=1(364)x=9(365)x=6(366)x=59(367)x=7(368)x=10(369)x=0.3(370)x=2.2(371)x=1(372)x=10(373)x=32(374)x=52(375)x=4(376)x=81(377)x=8(378)x=7(379)x=6(380)x=7(381)x=0.3(382)x=17(383)x=10(384)x=3.7(385)x=1.1(386)x=42(387)x=6(388)x=19(389)x=32(390)x=26(391)x=9(392)x=6(393)x=1(