五年級數(shù)學(xué)(方程)專項練習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)專項練習(xí)題及答案匯編(1)4x÷2=1.4(2)71+x=93(3)17.6÷x=0.4(4)0.3x-1.8×2=2.7(5)3x=18(6)2x-3×7=121(7)34x+45=147(8)2x+39x-1.9=14.5(9)5.1x-3.3x=14.4(10)53x+45x-3.9=123.5(11)x-0.4=3(12)2.1x=18.9(13)0.7x+0.5x=39.6(14)2x÷10=3(15)10x-2×1.4=6.2(16)95x-76x-1.3=13.9(17)4(1.3x-6.4)=10.8(18)37x-4×3.3=5.3(19)6x=9(20)8x-5x-43=26(21)2(1.3x+7.7)=31(22)(x-0.4)÷17=0.8(23)6.9x+6.4x+1.5=68(24)17x-14x=24(25)6.5x+8.3x-2.9=71.1(26)26x-18x-3.5=7.7(27)89-x=24(28)66x÷33=4(29)4(x+7)=192(30)17x-13x+33=77(31)18x-4x-4=136(32)8.2x-1.2x=42(33)20x+2×12=204(34)79x+38x-3.6=136.8(35)8(0.2x-3.8)=38.4(36)17.7-3x=5.4(37)(12x+33)÷43=3(38)0.3x+0.4×3=8.7(39)(8x-38)÷2=57(40)5x-2x=36(41)34x+85x+3=98.2(42)(9.4x+2.2)÷15=1.4(43)x-5.7=3(44)10x-3x-16=26(45)52+x=63(46)10x-4.7=6.3(47)3x=12.9(48)8x+18x-4.4=107.4(49)1.2x-0.7x-1.4=14.6(50)29x=116(51)x-1.2=4.9(52)12.6+0.6x=28.8(53)8x+2×1.2=18.4(54)32x÷6=1.6(55)0.3x+0.4×30=22.5(56)14+x=37(57)97x+36=230(58)6x+4=19(59)3.3x÷11=0.6(60)11x+16x=135(61)(3x-15)÷23=3(62)8x+3x-7=114(63)(18x-28)÷4=20(64)2x+6×28=178(65)4x+17×0.4=10(66)(16x+2)÷6=35(67)49+x=78(68)x+83=107(69)4x+3×62=238(70)136÷x=8(71)x-66=27(72)7x+6x-36=211(73)77x-63x-0.2=15.2(74)138÷x=6(75)2.5x+5.8=20.8(76)9x+15x-14=130(77)13x+10=153(78)2.3+30x=17.3(79)16.4-1.5x=13.4(80)9x+19×0.5=20.3(81)17x-10x+2=44(82)x-7.7=1.3(83)0.2x÷3=4.6(84)4.5x+6.4x+3.4=90.6(85)30÷x=2(86)12x-6x+29=113(87)3.3x+0.4×48=35.7(88)7x+7×2.8=21.7(89)3.5x=17.5(90)(6.1x-9.9)÷18=2.5(91)130+99x=328(92)9.8+4x=25.8(93)x+5.2=11.5(94)17x+11x-41=71(95)x÷9=1.2(96)27x-18x-2.9=14.2(97)0.4+x=1.1(98)91x+93x+3.6=150.8(99)1.9x+6.6x+1.8=103.8(100)22x-7x+3.2=60.2(101)21x+22×4=256(102)6x+4.8=24(103)0.4x+5.9=8.7(104)4.8-x=4.5(105)(11x+42)÷5=26(106)0.3x÷93=0.2(107)13x+11x+2=98(108)7-x=3.2(109)0.5x-0.2×10=7(110)7.8x-3.4x=13.2(111)16x-11x=45(112)66x+47x-1.6=145.3(113)155÷x=31(114)9.3-x=8.8(115)37x+22x+2.8=114.9(116)2(6.4x+2.5)=43.4(117)63x-46x-2.1=9.8(118)21x=6.3(119)5.1x-3.1x=32(120)3x+47=131(121)2.5x-0.4x-3.2=28.3(122)(3.5x-6.3)÷6=7.7(123)14x+16x+4.5=28.5(124)17x-4×10=147(125)94+2x=202(126)5(12x-34)=130(127)15x+44x-2.5=56.5(128)8.4÷x=0.3(129)5x=185(130)3x-21=15(131)13x+3x+33=129(132)x+10=94(133)87-8x=15(134)3(0.2x+5.8)=36.6(135)(7x+3)÷17=8(136)2(14x+18)=120(137)(4x-24)÷6=6(138)40x÷20=10(139)2.7x-0.2×7=14.8(140)2x=174(141)2(x+27)=90(142)x÷16=5(143)6.3x-0.2x=67.1(144)x+32=126(145)(5.9x-8.6)÷17=4.7(146)(9.6x+8.9)÷11=4.3(147)x÷7=21(148)1.3x+1.1x-2.7=162.9(149)2(x+44)=126(150)52x=15.6(151)4x÷96=0.2(152)(9x+15)÷4=24(153)10x-2×67=26(154)21x+12×0.9=21.3(155)28x-16×8=68(156)2x+40x+0.7=46.9(157)5(3x-17)=155(158)x÷13=0.4(159)6÷x=0.4(160)11x+12x-14=55(161)3x+8.4x+2.5=116.5(162)x+5.1=8.9(163)34x-13x-0.7=7.7(164)45+38x=159(165)2(16x+29)=154(166)x÷40=0.3(167)0.6x-5.6=7.6(168)1.9x-1.7x-1=6(169)3x+2.5×7=23.5(170)4x-18=10(171)7.9x-3.9=11.9(172)2x-0.2×42=7.6(173)76+x=162(174)6(2.5x-9.2)=19.8(175)9(0.3x-8)=30.6(176)18x-2x+25=73(177)18x-3.5=14.5(178)74+8x=266(179)6+x=56(180)13x-2x+38=192(181)4x-25×3=109(182)2.2x+2.7=15.9(183)7.1+0.5x=13.1(184)0.9x+7.4x+1.2=26.1(185)x÷26=6(186)15x-9x-30=42(187)29x+20x-4.7=39.4(188)18x+17x-15=230(189)x+86=131(190)2.8x+1.7x=58.5(191)6x+5x+34=67(192)16x-3x-12=131(193)x-0.4=2.4(194)6.7+0.3x=18.1(195)x-2=3(196)x-2.8=3.9(197)9.7x-6.2x+1.6=22.6(198)48÷x=2(199)0.2x+4.1=7.5(200)32x÷80=2(201)19x-44=146(202)16.1+0.9x=20.6(203)3.4x-2x=30.8(204)15x-3x-1.9=44.9(205)11(1.4x-0.5)=40.7(206)17x+10x=135(207)5x+28=58(208)x÷86=0.2(209)15.8+4.6x=25(210)8x-4x-7=69(211)198-13x=68(212)x÷32=3(213)0.2x=7.8(214)(14x+18)÷10=27(215)3.9+14x=6.7(216)5.2x+7x-0.7=35.9(217)17.2-3x=7.9(218)89+x=158(219)8x-4x-12=76(220)x÷6=2.7(221)2x÷7=2.4(222)3(0.6x+8.7)=47.7(223)5.1x+3.2x+2.1=85.1(224)187-65x=57(225)161-4x=29(226)2x-12×5=108(227)2.7x-1.3x+1.9=29.9(228)7x+5x+39=195(229)14(11x-10)=168(230)48x÷4=2.4(231)x+8.5=16.2(232)76x+49x+0.6=125.6(233)9x-6x=54(234)x÷8=2.1(235)9x-1.8=14.4(236)72-x=14(237)1.4x-4=15.6(238)80x-19x-0.3=42.4(239)3x÷12=1(240)74+x=122(241)62x+78x+4.5=32.5(242)36x-5.6=12.4(243)7.8+x=13.9(244)14(x-21)=182(245)1x+0.4x-2.3=78.9(246)1.7x-1x-1.3=36.5(247)2x+5×2.3=20.1(248)7x-56=133(249)79x-49=109(250)1x+0.3×23=15.9(251)2x+4=23.8(252)x÷13=12(253)2.3x+8.3x=74.2(254)32x+15×0.8=28(255)7.9+2.3x=17.1(256)2x+4.7=24.1(257)8x-34=14(258)2x+46=122(259)0.9x-3.3=1.2(260)5(0.4x+0.2)=25(261)0.6x÷16=0.3(262)38x+7x+1.4=95.9(263)5x-3.8x+0.6=23.4(264)(18x-48)÷3=8(265)17x-57=113(266)13x+11x-42=246(267)33x-2x+2.6=36.7(268)0.6x-4.3=6.5(269)(15x+11)÷4=74(270)5.4x+2.6x=96(271)15x-4x=66(272)x-19=70(273)4.9-x=2.9(274)7.4x-7.1x=2.7(275)2.9x+1.2×14=25.5(276)1.1x+2.4×7=22.3(277)x+69=100(278)0.7x÷14=0.2(279)78x-59x-3.5=2.2(280)(9.6x+3.6)÷21=2(281)12x+10x=330(282)91x=18.2(283)29(0.5x-8)=43.5(284)5.6x+5.8x-1=124.4(285)4x÷12=6(286)6x÷22=0.3(287)7x+40=124(288)4.7+x=6.3(289)1.1x=15.4(290)6x-2x-45=55(291)6x-3x=84(292)x÷32=5(293)6.9-x=1.4(294)5(5x-2)=115(295)96x-2x+1=85.6(296)20x-6×2.4=5.6(297)19.4+3x=28.1(298)82-x=19(299)5(1.6x+1.1)=37.5(300)x÷4=7(301)(12x-36)÷28=3(302)46x-11×1.5=1.9(303)3.4x+4.8x=98.4(304)84x-44x+1.5=13.5(305)5x÷70=2(306)5.7÷x=1.9(307)17.4-7.4x=2.6(308)4x+6x=310(309)12x+18x=300(310)0.3x+5.1=22.2(311)12(x+13)=192(312)x+2.3=7.9(313)25x+5.7=25.7(314)x÷4=34(315)11x+15x+45=175(316)x+22=31(317)9x-6.8x+4.7=28.9(318)0.8x+3=9.4(319)0.3x=9.3(320)19x-9x+37=97(321)(5.7x+8.1)÷9=6.6(322)x-43=19(323)96÷x=6(324)9.9x-4.3x-0.8=21.6(325)14.5-1.6x=9.7(326)81-9x=54(327)1.6x-0.8x+4=34.4(328)55x-21x+4.3=14.5(329)6.2x-1.6x+3=53.6(330)4.3+4x=21.5(331)9.6÷x=0.2(332)8x+17×3=75(333)3x+5x+10=138(334)29x+6×29=290(335)(15x-25)÷25=8(336)9.7+x=16.5(337)100-7x=72(338)14.2+0.3x=22(339)0.2x-5.8=12(340)5x=120(341)23x-11×10=74(342)5.1x-2.3x=44.8(343)17.6-21x=5(344)4.2+0.9x=24(345)13.5÷x=4.5(346)1x+0.7×26=34.2(347)14x÷7=4(348)x-47=50(349)x-28=65(350)189÷x=9(351)x+5.2=10.3(352)0.2x=2(353)4.5x÷5=2.7(354)9.3x+5x+4.1=89.9(355)(8.1x+6.7)÷2=23.6(356)(4.4x-1.6)÷2=19(357)5(0.4x+3.6)=38(358)4.8x+6.9x=140.4(359)0.4x-1.6×11=1.2(360)x-4=90(361)1.4x+2x=142.8(362)x-12=39(363)141+23x=233(364)3x+8×0.2=15.4(365)8+x=9(366)x+7.8=11.3(367)11x+46×0.4=33.8(368)(4x+0.6)÷6=12.1(369)33+9x=114(370)13.4-0.2x=9.6(371)0.8x÷64=0.3(372)15x-5x=30(373)92x-1.1=17.3(374)44x+33x-4.4=11(375)9.9x-4.9x-2=28(376)2x+5.7=17.7(377)x+88=154(378)18.5-0.2x=13.9(379)4x÷62=0.2(380)4x=44(381)8x=19.2(382)70-x=26(383)x÷5=0.5(384)2x+3×54=228(385)5(0.8x+3.8)=47(386)8.7÷x=2.9(387)30x+71x+0.8=111.9(388)x+4.6=10.3(389)8.8-x=6.2(390)75x-28x+3.9=65(391)(2x+42)÷2=28(392)7(0.2x-0.7)=11.9(393)x-2.3=4.3(394)6x=168(395)60x=120(396)0.2x=19.6(397)2.9x+2.1x-4.3=125.7(398)14x=56(399)8x+4.1=16.1(400)17+9x=36.8(401)5.5x+4.3x+4=53(402)10x-7x=42(403)6(2x+3)=78(404)x÷17=0.5(405)2.4x+4.3x-3.1=124.2(406)(4x+25)÷25=5(407)0.6x-1.7=1.9(408)14.3-6x=5.9(409)4x+4.9=18.1(410)x+85=87(411)82-x=56(412)(10x-18)÷12=6(413)12(0.3x+2.3)=49.2(414)14.1-0.2x=8.1(415)1.6x-0.2×33=3(416)0.8x+0.3×29=22.3(417)15.3-2x=3.1(418)(5.3x+5.9)÷3=10.8(419)18-0.2x=16.2(420)2.2x-0.4×23=10.6(421)8x+2x-25=175(422)18x-13x+33=73(423)7.4+x=8.1(424)4.5÷x=0.9(425)1x=4(426)11x-3.4=2.1(427)8.7+x=17(428)150+13x=254(429)82-16x=34(430)4x-4.2=2.2(431)9.1-0.3x=4.6(432)5x=16(433)8x-3.4=16.6(434)x÷28=7(435)2x=8(436)1.5x+3.9x=64.8(437)0.8x÷2=1.2(438)x+5.5=7.8(439)168+2x=200(440)34x-7×0.3=4.7(441)8(12x-49)=184(442)8x-6x+4=26(443)98x-46x+4.7=46.3(444)57-2x=43(445)0.6x-1×6=12.6(446)4x=11.2(447)11x-6x=20(448)x-21=49(449)1.1x+3.8x=44.1(450)1.5x+1.3x-3.7=21.5(451)16x+13x+47=366(452)4x+2×85=370(453)13x-2×17=83(454)6.1x-4.3x-4.5=24.3(455)5.2x-3x+2.8=33.6(456)9.1-x=7.3(457)98x+20x-1.3=81.3(458)4x-2.8x-2.4=18(459)(4x+1.3)÷9=3.7(460)x÷49=0.4(461)6.8-x=1.5(462)2x-2×36=34(463)34x-7×1.2=8.6(464)19x-2x+37=173(465)x-1=4.8(466)48x-21=123(467)43x+35=207(468)50x÷8=25(469)7.4-0.6x=4.4(470)x-18=68(471)1.1x+2.8x+2=60.5(472)6.5x-3.4x+0.7=37.9(473)3+2x=9(474)145+36x=325(475)3x+6x=63(476)20÷x=4(477)8.9x+3.3x-0.8=48(478)(7x-3)÷39=1(479)28x-2×1.8=7.6(480)3(2x+18)=78(481)9(12x-29)=171(482)3.4x-1.4x-2.4=35.6(483)5x-1.5=6.5(484)3x+12x=60(485)0.5x-2.2=17.8(486)6.2+x=11.4(487)17.9+1.3x=23.1(488)11x+14x+22=197(489)95-x=64(490)115-6x=79(491)39+x=82(492)(1.9x-2.1)÷36=0.1(493)5.7+x=8.6(494)0.3x-1.4=5.5(495)9.1-x=2.8(496)x+3=77(497)27x÷9=0.9(498)x+3.8=8.5(499)4.2+89x=22(500)16x+3x-44=184(501)6(0.4x-0.9)=30.6(502)18.1-31x=11.9(503)15.9+14x=24.3(504)18.6-51x=8.4(505)2(x+6)=74(506)(4.5x+7.5)÷22=3(507)55x=110(508)(2.5x-1.2)÷11=3.3(509)10÷x=2(510)21x-32×0.2=10.4(511)26x+20×7=296(512)4x+49=125(513)0.7x-4.1×3=5.2(514)59x-34x+2.1=7.1(515)66-x=46(516)10x-6×2.1=1.4(517)65x÷5=39(518)3x+4.8=23.1(519)46÷x=2(520)19x-6x-48=82(521)(1.7x-7.1)÷29=0.4(522)49-x=12(523)16.8-21x=8.4(524)7x+11x=252(525)(9.3x-3.9)÷27=3.3(526)6x+17x+32=78(527)10(5x-30)=100(528)1.4x÷8=2.1(529)5x-17=73(530)6.6x-3.5x+2.1=42.4(531)13(3x-16)=182(532)68-x=50(533)0.7x+1.6=9.3(534)4(0.4x-1.3)=23.6(535)4.5x+2.1=20.1(536)19x+13x=96(537)45x-34x+2.1=20.8(538)8.1x-2.5x=67.2(539)19.4-25x=11.9(540)11x+5.5=9.9參考答案(1)x=0.7(2)x=22(3)x=44(4)x=21(5)x=6(6)x=71(7)x=3(8)x=0.4(9)x=8(10)x=1.3(11)x=3.4(12)x=9(13)x=33(14)x=15(15)x=0.9(16)x=0.8(17)x=7(18)x=0.5(19)x=1.5(20)x=23(21)x=6(22)x=14(23)x=5(24)x=8(25)x=5(26)x=1.4(27)x=65(28)x=2(29)x=41(30)x=11(31)x=10(32)x=6(33)x=9(34)x=1.2(35)x=43(36)x=4.1(37)x=8(38)x=25(39)x=19(40)x=12(41)x=0.8(42)x=2(43)x=8.7(44)x=6(45)x=11(46)x=1.1(47)x=4.3(48)x=4.3(49)x=32(50)x=4(51)x=6.1(52)x=27(53)x=2(54)x=0.3(55)x=35(56)x=23(57)x=2(58)x=2.5(59)x=2(60)x=5(61)x=28(62)x=11(63)x=6(64)x=5(65)x=0.8(66)x=13(67)x=29(68)x=24(69)x=13(70)x=17(71)x=93(72)x=19(73)x=1.1(74)x=23(75)x=6(76)x=6(77)x=11(78)x=0.5(79)x=2(80)x=1.2(81)x=6(82)x=9(83)x=69(84)x=8(85)x=15(86)x=14(87)x=5(88)x=0.3(89)x=5(90)x=9(91)x=2(92)x=4(93)x=6.3(94)x=4(95)x=10.8(96)x=1.9(97)x=0.7(98)x=0.8(99)x=12(100)x=3.8(101)x=8(102)x=3.2(103)x=7(104)x=0.3(105)x=8(106)x=62(107)x=4(108)x=3.8(109)x=18(110)x=3(111)x=9(112)x=1.3(113)x=5(114)x=0.5(115)x=1.9(116)x=3(117)x=0.7(118)x=0.3(119)x=16(120)x=28(121)x=15(122)x=15(123)x=0.8(124)x=11(125)x=54(126)x=5(127)x=1(128)x=28(129)x=37(130)x=12(131)x=6(132)x=84(133)x=9(134)x=32(135)x=19(136)x=3(137)x=15(138)x=5(139)x=6(140)x=87(141)x=18(142)x=80(143)x=11(144)x=94(145)x=15(146)x=4(147)x=147(148)x=69(149)x=19(150)x=0.3(151)x=4.8(152)x=9(153)x=16(154)x=0.5(155)x=7(156)x=1.1(157)x=16(158)x=5.2(159)x=15(160)x=3(161)x=10(162)x=3.8(163)x=0.4(164)x=3(165)x=3(166)x=12(167)x=22(168)x=35(169)x=2(170)x=7(171)x=2(172)x=8(173)x=86(174)x=5(175)x=38(176)x=3(177)x=1(178)x=24(179)x=50(180)x=14(181)x=46(182)x=6(183)x=12(184)x=3(185)x=156(186)x=12(187)x=0.9(188)x=7(189)x=45(190)x=13(191)x=3(192)x=11(193)x=2.8(194)x=38(195)x=5(196)x=6.7(197)x=6(198)x=24(199)x=17(200)x=5(201)x=10(202)x=5(203)x=22(204)x=3.9(205)x=3(206)x=5(207)x=6(208)x=17.2(209)x=2(210)x=19(211)x=10(212)x=96(213)x=39(214)x=18(215)x=0.2(216)x=3(217)x=3.1(218)x=69(219)x=22(220)x=16.2(221)x=8.4(222)x=12(223)x=10(224)x=2(225)x=33(226)x=84(227)x=20(228)x=13(229)x=2(230)x=0.2(231)x=7.7(232)x=1(233)x=18(234)x=16.8(235)x=1.8(236)x=58(237)x=14(238)x=0.7(239)x=4(240)x=48(241)x=0.2(242)x=0.5(243)x=6.1(244)x=34(245)x=58(246)x=54(247)x=4.3(248)x=27(249)x=2(250)x=9(251)x=9.9(252)x=156(253)x=7(254)x=0.5(255)x=4(256)x=9.7(257)x=6(258)x=38(259)x=5(260)x=12(261)x=8(262)x=2.1(263)x=19(264)x=4(265)x=10(266)x=12(267)x=1.1(268)x=18(269)x=19(270)x=12(271)x=6(272)x=89(273)x=2(274)x=9(275)x=3(276)x=5(277)x=31(278)x=4(279)x=0.3(280)x=4(281)x=15(282)x=0.2(283)x=19(284)x=11(285)x=18(286)x=1.1(287)x=12(288)x=1.6(289)x=14(290)x=25(291)x=28(292)x=160(293)x=5.5(294)x=5(295)x=0.9(296)x=1(297)x=2.9(298)x=63(299)x=4(300)x=28(301)x=10(302)x=0.4(303)x=12(304)x=0.3(305)x=28(306)x=3(307)x=2(308)x=31(309)x=10(310)x=57(311)x=3(312)x=5.6(313)x=0.8(314)x=136(315)x=5(316)x=9(317)x=11(318)x=8(319)x=31(320)x=6(321)x=9(322)x=62(323)x=16(324)x=4(325)x=3(326)x=3(327)x=38(328)x=0.3(329)x=11(330)x=4.3(331)x=48(332)x=3(333)x=16(334)x=4(335)x=15(336)x=6.8(337)x=4(338)x=26(339)x=89(340)x=24(341)x=8(342)x=16(343)x=0.6(344)x=22(345)x=3(346)x=16(347)x=2(348)x=97(349)x=93(350)x=21(351)x=5.1(352)x=10(353)x=3(354)x=6(355)x=5(356)x=9(357)x=10(358)x=12(359)x=47(360)x=94(361)x=42(362)x=51(363)x=4(364)x=4.6(365)x=1(366)x=3.5(367)x=1.4(368)x=18(369)x=9(370)x=19(371)x=24(372)x=3(373)x=0.2(374)x=0.2(375)x=6(376)x=6(377)x=66(378)x=23(379)x=3.1(380)x=11(381)x=2.4(382)x=44(383)x=2.5(384)x=33(385)x=7(386)x=3(387)x=1.1(388)x=5.7(389)x=2.6(390)x=1.3(391)x=7(392)x=12(393)x=6.6(39