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)9x-7×2.3=3.7(2)9x-3×31=87(3)14x+3x+39=124(4)(1.3x+8.6)÷18=1.2(5)8.5x+4.7x-0.8=131.2(6)7(2x+4)=182(7)12+49x=31.6(8)48-x=35(9)x+76=81(10)9.2-5x=7.2(11)x-1.9=7.1(12)8x+7x=240(13)5.4-x=1.7(14)x-2.3=2.7(15)(11x-33)÷11=8(16)18x-14x=44(17)14x-5x+9=63(18)6.4÷x=0.4(19)2.8x+5.1=21.9(20)16x+8×0.4=6.4(21)102+80x=262(22)3.6x-3.5=14.5(23)2x+3.9=18.3(24)18x-7×0.2=11.2(25)192-5x=162(26)27x+30x-2.6=8.8(27)6x+30×2=162(28)28x-9×20=16(29)69+x=113(30)(3.7x+2.3)÷16=1.3(31)4.3x+4.4x=139.2(32)1.6x-1.4x=4.4(33)x+46=123(34)11.6+7x=23.5(35)x÷4=35(36)8x-3x-23=92(37)9.2x-1.7=16.7(38)17-9x=7.1(39)145÷x=5(40)x-86=10(41)4x-5×9=107(42)(7x-29)÷2=31(43)2x=126(44)(4x+40)÷24=3(45)13x+4x-1.6=15.4(46)9x-35=82(47)x-1.9=8(48)3.6x-2.3x+1.6=26.3(49)0.4x+1.5×8=24(50)49x+3.4=23(51)4x-2x+16=96(52)0.9x+2.8x-0.5=47.6(53)3x+2.9x-1.2=164(54)1x-2.6×4=2.6(55)3(2.2x+4.7)=40.5(56)75x+91x+2.6=35.8(57)x+14=16(58)6.3x-1.6x=42.3(59)1.8x+0.9x-3.1=131.9(60)7.9x-2.2x=51.3(61)26x+5×3.1=33.7(62)4x=48(63)0.3x+2.2x+2.8=37.8(64)3x+9×1.4=16.8(65)(8x-36)÷12=3(66)3x+18x-48=36(67)x+9.2=14.4(68)7.5÷x=0.3(69)14x-9x=10(70)8x+2x+20=170(71)6x-2x+31=111(72)5x-7×23=19(73)3.3x+1.5x=14.4(74)20x÷10=1.4(75)0.4x-1.6×4=4.8(76)5.2-x=3.7(77)x÷14=12(78)9x+2x=143(79)4x-14×0.5=3(80)3x+2×4.5=15(81)1.7x+4.6=19.9(82)2x=4(83)12.2+4x=25(84)156÷x=4(85)7.3x+4.4x=93.6(86)2(2.6x+0.6)=22(87)x-5=2.7(88)23x-19x+2.3=12.3(89)(4x+34)÷3=30(90)2(7x+15)=114(91)10.5-26x=2.7(92)12.3+4x=25.5(93)41+x=103(94)6x=36(95)x÷7=1.6(96)15.9+5x=32.4(97)22x+15x-1.9=109.1(98)2.5x=7.5(99)21x-19x-0.9=5.3(100)18x÷3=1.2(101)12.1+1.4x=19.1(102)11x-2x-41=112(103)12(0.7x+0.9)=27.6(104)16x÷4=4.4(105)x÷14=4(106)7x+1.8=18.6(107)10x+32×0.2=11.4(108)9x+51x-3.9=38.1(109)5.5x-1.5x-2.2=37.8(110)35x-1.5=9(111)x÷74=0.2(112)0.5x-0.9×4=4.4(113)8(2.1x-3)=26.4(114)10.3+0.6x=20.5(115)12x+13×1.5=37.5(116)52x+73x+0.4=87.9(117)1.9x-1.4x=1.5(118)32+12x=200(119)x+3.5=13(120)8.2x-2.2=14.2(121)4x-2×2.1=10.2(122)15.4÷x=2.2(123)152-12x=128(124)3.5x-0.7x+1.5=23.9(125)8.4-x=1.6(126)21x-7×1=5.6(127)90x=18(128)4x-5.6=4.8(129)21x+4=18.7(130)13.6-0.4x=5.2(131)2x-19×0.2=2.2(132)91x-44x-1.5=40.8(133)12x+34=94(134)13x-5.6=13.9(135)2x÷5=16(136)0.5x+1.9=7.4(137)12x-5.6=2.8(138)x+26=86(139)2(6x-6)=108(140)79x-28x-2.3=23.2(141)3x=13.2(142)11.4+17x=21.6(143)x+7.1=9.4(144)2x÷10=8(145)15.2÷x=3.8(146)6x+9x-31=239(147)3x=1.2(148)50-x=47(149)5x+5.1=20.6(150)x-38=36(151)x-24=55(152)8x+2x=70(153)10(2x+2)=80(154)9x+3x-43=125(155)x+52=56(156)x-1.4=2.7(157)88-x=44(158)136-17x=51(159)x÷2=4.8(160)97-x=35(161)77-x=47(162)0.8x+2.1×6=30.2(163)x+2.4=7.2(164)7x-5.7x+0.5=10.9(165)17x+2x-30=122(166)20+x=106(167)99+15x=219(168)88x-3x+1.6=78.1(169)7.8x-6.4x+1.8=6(170)5(x+20)=185(171)7x-4x-17=16(172)4(4x-2)=168(173)3.1x+8.2x+4.2=72(174)x÷58=2(175)29x+33x+2.2=82.8(176)6+x=99(177)7.9x+8.6x-2.1=113.4(178)8.4÷x=0.3(179)(1.1x+5.3)÷10=2.4(180)50x-36x+2.2=17.6(181)12(x-14)=144(182)2x=16(183)5.8x÷87=0.2(184)45÷x=5(185)5.3x+3.8x-0.3=54.3(186)19.7-0.3x=1.1(187)13-0.9x=6.7(188)23x-5.6=12.8(189)137-55x=27(190)65÷x=13(191)x-25=63(192)8x=120(193)7.9x-2x-0.4=58.6(194)3(x+15)=75(195)x÷7=2.4(196)2(5x-21)=118(197)1.6x-1x-1=33.2(198)2(3.9x+7.7)=46.6(199)0.3x+0.4×8=15.8(200)5(4x-42)=90(201)6.8+x=11.2(202)3x+8×0.6=12(203)1.9+x=4.9(204)x+55=75(205)1.9x=15.2(206)(0.9x-2.2)÷26=0.4(207)2x=56(208)0.6x-0.5×25=5.5(209)72x÷48=3(210)2x=154(211)6.3+x=7.9(212)3x÷4=3.3(213)10(0.6x-1.6)=14(214)54x÷81=2(215)0.5x=8.5(216)4x+5x+43=259(217)5x-2.3=7.7(218)6.6+x=9.7(219)18(0.2x-2)=18(220)0.8x+1.6x+2.8=139.6(221)(9x+2)÷2=82(222)0.5x+1.1x-4.7=76.9(223)2.6x-5.8=4.6(224)17+0.9x=21.5(225)16x+2×0.9=11.4(226)(4.5x-0.2)÷2=8.9(227)13x-2x-38=50(228)x-27=32(229)1.2x÷22=0.6(230)3.8x+0.9x+2=124.2(231)21x+36x+2.4=53.7(232)39x=78(233)29x+39x-1.3=32.7(234)54x-16x+2=17.2(235)184+51x=286(236)8.6+x=17.9(237)16+51x=169(238)6(0.3x-3.9)=41.4(239)x÷9=9(240)8.4-x=4.7(241)4.3x-3.6x+4.8=11.1(242)2(x-14)=46(243)17+x=61(244)7(0.3x-2)=23.8(245)49x÷7=14(246)2.8x-0.6x-0.5=8.3(247)19.4+12x=37.4(248)x-66=21(249)4(0.3x+9.2)=47.6(250)94x-73x+4.6=25.6(251)20x÷32=0.5(252)(5.9x-6.3)÷14=2.5(253)8.9-x=3(254)12.4+2x=25(255)(2x-9.2)÷36=0.3(256)2x-4×36=12(257)5x-2x=12(258)x÷2=7(259)5.8x+0.4x+1.7=57.5(260)(15x+43)÷11=23(261)3.8x÷76=0.2(262)(7.4x+7.8)÷2=15(263)78x-72x+3.7=7.9(264)1.4x+1.2×15=30.6(265)8x-35=157(266)34x-16×0.4=3.8(267)39x-17x-2=4.6(268)13x-38×3=42(269)7x-2x-4=56(270)3(3x-17)=48(271)10x-4.8=14.2(272)9x+13x+10=98(273)20x+2×3.2=24.4(274)65x+12x+3.1=18.5(275)2.5x÷15=0.5(276)4(0.7x-4.6)=12.4(277)x+92=149(278)17.1-2x=15.3(279)4(0.2x+4.2)=26.4(280)7x-3x=64(281)99x-14=184(282)68+5x=213(283)9x+2×46=128(284)16.2-2x=15.8(285)8x-3x=55(286)62x+50x-0.2=67(287)19.2-2.1x=4.5(288)16.6+0.4x=21(289)x+32=48(290)13.1-5x=2.1(291)2.4+x=8.6(292)5x=13(293)13x-31=125(294)3.9+0.7x=14.4(295)9.8x+1x=32.4(296)2x-18×7=16(297)2x+35=87(298)21x÷63=2(299)71-x=62(300)x÷48=0.2(301)2(3x+7.4)=44.8(302)21-x=16(303)3x+12x-19=56(304)8÷x=1(305)2x÷15=12(306)3x=2.1(307)4(8x-44)=48(308)3x+16=106(309)5.1x=10.2(310)8.3x-0.9x=14.8(311)2x+28=162(312)0.2x+2.2=12(313)(0.4x+6.8)÷28=0.3(314)65x-8x-2.7=77.1(315)19x-16x+13=43(316)5(0.9x-1.1)=12.5(317)12x+30×4=168(318)1.5+x=6.8(319)(14x-10)÷4=22(320)(7.2x-5.4)÷2=29.7(321)x-0.4=2.6(322)x+6.7=10.4(323)3(18x+10)=192(324)x÷34=0.5(325)54x-17x-4.1=7(326)2x+11x+24=219(327)17x-4x+31=109(328)7.6x+1.5x+1.3=65(329)12.6-1.8x=5.4(330)4.8÷x=0.3(331)7x+9x+41=89(332)12x-5x-5=44(333)5.6-0.4x=2.4(334)30x=9(335)1.8x+7.5x=18.6(336)22x-5×2=122(337)5x+49=74(338)0.2x÷23=0.8(339)14x-7x+32=102(340)15.8-9x=12.2(341)x÷6=0.7(342)10x=12(343)(9.6x+6.2)÷5=7(344)3x+6x=90(345)8x÷3=4(346)10x-6x-9=35(347)2x+12×8=114(348)91x-17=165(349)162-15x=27(350)2.3-x=1.1(351)(5.8x-9.4)÷7=8.6(352)2.8x÷49=0.4(353)17x+75x-0.7=36.1(354)0.2x+1.7×4=15.6(355)155+22x=353(356)13(2x-11)=195(357)0.2x=5.8(358)7x+5x+1.2=54(359)16x-2x+48=90(360)0.4x+0.4×49=25.2(361)x÷11=0.8(362)(7.5x-0.9)÷19=3.9(363)8.1x+4.3x-3.3=120.7(364)19.1-0.2x=5.1(365)4.9+x=13.6(366)0.6x-0.2x-2.9=21.1(367)3x-2.4×5=6(368)x+7.3=14.7(369)(12x-24)÷12=5(370)7(x+10)=140(371)0.2x+2.1=15.5(372)(5x+5)÷16=5(373)x+1.4=9.5(374)163-2x=73(375)4.3x+9.4x=109.6(376)3+x=61(377)16x-2x-4.1=78.5(378)13x+3.9=14.3(379)3x-2.8=9.2(380)100÷x=2(381)47-x=24(382)3.4x+7.4x=54(383)27x=108(384)7x+2x=90(385)0.5x-1.6=10.4(386)(2x+44)÷2=34(387)0.3x-0.8×2=1.1(388)17x+65x-4.7=19.9(389)24+x=90(390)15.3-0.7x=1.3(391)165-3x=105(392)4x+5.1=8.7(393)17x+51×3=238(394)7x+3x=140(395)6.3÷x=0.9(396)3x-3×2.7=4.5(397)88x+41=217(398)14.1-4x=12.5(399)(8x-16)÷9=24(400)2x+35=51(401)197+33x=329(402)2x+4.1=7.5(403)x÷83=2(404)3.2x-0.3x=81.2(405)9.6-x=1.8(406)5.4x÷18=0.9(407)15.9-0.6x=14.1(408)98-x=70(409)21x+25x+4.6=41.4(410)189-6x=135(411)1.1x-0.7x=33.6(412)6.3x+3.5x+4.6=43.8(413)95x÷38=0.5(414)33x-37=95(415)x-57=12(416)8.5-x=6.4(417)144÷x=48(418)10÷x=5(419)2x+13x+26=176(420)19.1+23x=23.7(421)8x+37=141(422)21x=12.6(423)9x-4x-43=52(424)x÷93=2(425)24x-44=148(426)12x÷6=6(427)4.2+10x=24.2(428)5.4÷x=1.8(429)(7x+3.4)÷2=26.2(430)7(3.9x-6.3)=37.8(431)15x-3.7=3.8(432)4(2x+42)=184(433)18.6+2.6x=34.2(434)1.2x+7.3x-1.4=83.6(435)0.4x-2.9×3=3.3(436)6.6-x=1.5(437)14x-10x=32(438)11x-17×2=131(439)19x-16x+4.6=7.3(440)x+91=160(441)4.5x-0.2×12=6.6(442)7.1x-3.4x+3.4=18.2(443)(2.1x+3)÷18=1.1(444)x-2=52(445)1.7x+6.3x=16(446)24x+5×2=154(447)9x+5.1=20.4(448)9x÷3=48(449)x-5.5=4(450)4x-3.1x=5.4(451)16x+15x-6=366(452)10x-4x+37=67(453)0.2x+2.4=18.6(454)12x-6x=42(455)(10x+42)÷4=63(456)2x+3×46=194(457)94x-43x-2.2=18.2(458)0.3x-1.3=18.5(459)7x-4.4x-0.7=22.7(460)59x-37x+3.8=10.4(461)5x-4×1.7=7.2(462)15x-12x+27=42(463)28x÷20=0.7(464)8.3x+9x+3.3=37.9(465)76+x=142(466)7x-4x-23=49(467)57x-57=114(468)(9.3x-3.9)÷3=4.9(469)x-6.7=1.9(470)(8x-0.9)÷17=2.3(471)96÷x=16(472)3x+6x+8=80(473)1.8x-0.6x+1.8=39(474)7.9x-3.8x-0.6=44.5(475)198÷x=3(476)4(x+1.8)=35.2(477)88x+7x-1.3=55.7(478)18x+7×20=302(479)10x-3.9=3.1(480)4.5+5.1x=14.7(481)18x+10x+24=276(482)x-84=13(483)2(0.9x+7.2)=25.2(484)8.4+x=13(485)8.4-5x=2.4(486)5(x+13)=120(487)7.6x-3.2x-0.6=30.2(488)(18x-18)÷5=18(489)x÷5=2(490)100+20x=260(491)1.9x+3.5=22.5(492)2x+3x=95(493)72x+98x+1.3=35.3(494)(8x-38)÷5=2(495)(14x-34)÷2=60(496)1.4x+0.2×27=13.8(497)x-0.7=3.8(498)18x-2x=144(499)8x+43=211(500)3x+9×6=249(501)15x+11x-21=239(502)1.4x+3.1=11.5(503)8x÷48=0.3(504)2.4x-1.2=18(505)2.2x=11(506)37x-3x+2.4=53.4(507)6(0.8x-9.3)=35.4(508)1.4x-0.6x-3.6=34.8(509)14x+15x-19=329(510)5.6x-1.8x+0.4=38.4(511)9.5x+4.8x=42.9(512)(5.3x+7.4)÷20=0.9(513)(9x+27)÷3=48(514)4.1x-2.4x+1.2=4.6(515)x+3.5=5.5(516)1.2x=19.2(517)4.4x+0.2×26=22.8(518)3x+4x=294(519)158-5x=13(520)1.6x=11.2(521)x+8=13.9(522)7.1x+0.3x+3.7=107.3(523)6x+14x=160(524)0.9x÷45=0.2(525)1.2x+1.2=8.4(526)0.8x-5.6=11.2(527)(12x+6)÷3=70(528)1.6x-0.4×12=8(529)53x-27=79(530)1.3x+0.3×18=18.4(531)13x-3x-2.4=31.6(532)3+0.5x=7.5(533)84+x=103(534)3.6x÷18=1(535)x÷84=0.2(536)8x-4x=48(537)14x+15x+1.8=149.7(538)5.2x-4.5x=2.8(539)5x+6x-4=194(540)5.5x=16.5參考答案(1)x=2.2(2)x=20(3)x=5(4)x=10(5)x=10(6)x=11(7)x=0.4(8)x=13(9)x=5(10)x=0.4(11)x=9(12)x=16(13)x=3.7(14)x=5(15)x=11(16)x=11(17)x=6(18)x=16(19)x=6(20)x=0.2(21)x=2(22)x=5(23)x=7.2(24)x=0.7(25)x=6(26)x=0.2(27)x=17(28)x=7(29)x=44(30)x=5(31)x=16(32)x=22(33)x=77(34)x=1.7(35)x=140(36)x=23(37)x=2(38)x=1.1(39)x=29(40)x=96(41)x=38(42)x=13(43)x=63(44)x=8(45)x=1(46)x=13(47)x=9.9(48)x=19(49)x=30(50)x=0.4(51)x=40(52)x=13(53)x=28(54)x=13(55)x=4(56)x=0.2(57)x=2(58)x=9(59)x=50(60)x=9(61)x=0.7(62)x=12(63)x=14(64)x=1.4(65)x=9(66)x=4(67)x=5.2(68)x=25(69)x=2(70)x=15(71)x=20(72)x=36(73)x=3(74)x=0.7(75)x=28(76)x=1.5(77)x=168(78)x=13(79)x=2.5(80)x=2(81)x=9(82)x=2(83)x=3.2(84)x=39(85)x=8(86)x=4(87)x=7.7(88)x=2.5(89)x=14(90)x=6(91)x=0.3(92)x=3.3(93)x=62(94)x=6(95)x=11.2(96)x=3.3(97)x=3(98)x=3(99)x=3.1(100)x=0.2(101)x=5(102)x=17(103)x=2(104)x=1.1(105)x=56(106)x=2.4(107)x=0.5(108)x=0.7(109)x=10(110)x=0.3(111)x=14.8(112)x=16(113)x=3(114)x=17(115)x=1.5(116)x=0.7(117)x=3(118)x=14(119)x=9.5(120)x=2(121)x=3.6(122)x=7(123)x=2(124)x=8(125)x=6.8(126)x=0.6(127)x=0.2(128)x=2.6(129)x=0.7(130)x=21(131)x=3(132)x=0.9(133)x=5(134)x=1.5(135)x=40(136)x=11(137)x=0.7(138)x=60(139)x=10(140)x=0.5(141)x=4.4(142)x=0.6(143)x=2.3(144)x=40(145)x=4(146)x=18(147)x=0.4(148)x=3(149)x=3.1(150)x=74(151)x=79(152)x=7(153)x=3(154)x=14(155)x=4(156)x=4.1(157)x=44(158)x=5(159)x=9.6(160)x=62(161)x=30(162)x=22(163)x=4.8(164)x=8(165)x=8(166)x=86(167)x=8(168)x=0.9(169)x=3(170)x=17(171)x=11(172)x=11(173)x=6(174)x=116(175)x=1.3(176)x=93(177)x=7(178)x=28(179)x=17(180)x=1.1(181)x=26(182)x=8(183)x=3(184)x=9(185)x=6(186)x=62(187)x=7(188)x=0.8(189)x=2(190)x=5(191)x=88(192)x=15(193)x=10(194)x=10(195)x=16.8(196)x=16(197)x=57(198)x=4(199)x=42(200)x=15(201)x=4.4(202)x=2.4(203)x=3(204)x=20(205)x=8(206)x=14(207)x=28(208)x=30(209)x=2(210)x=77(211)x=1.6(212)x=4.4(213)x=5(214)x=3(215)x=17(216)x=24(217)x=2(218)x=3.1(219)x=15(220)x=57(221)x=18(222)x=51(223)x=4(224)x=5(225)x=0.6(226)x=4(227)x=8(228)x=59(229)x=11(230)x=26(231)x=0.9(232)x=2(233)x=0.5(234)x=0.4(235)x=2(236)x=9.3(237)x=3(238)x=36(239)x=81(240)x=3.7(241)x=9(242)x=37(243)x=44(244)x=18(245)x=2(246)x=4(247)x=1.5(248)x=87(249)x=9(250)x=1(251)x=0.8(252)x=7(253)x=5.9(254)x=6.3(255)x=10(256)x=78(257)x=4(258)x=14(259)x=9(260)x=14(261)x=4(262)x=3(263)x=0.7(264)x=9(265)x=24(266)x=0.3(267)x=0.3(268)x=12(269)x=12(270)x=11(271)x=1.9(272)x=4(273)x=0.9(274)x=0.2(275)x=3(276)x=11(277)x=57(278)x=0.9(279)x=12(280)x=16(281)x=2(282)x=29(283)x=4(284)x=0.2(285)x=11(286)x=0.6(287)x=7(288)x=11(289)x=16(290)x=2.2(291)x=6.2(292)x=2.6(293)x=12(294)x=15(295)x=3(296)x=71(297)x=26(298)x=6(299)x=9(300)x=9.6(301)x=5(302)x=5(303)x=5(304)x=8(305)x=90(306)x=0.7(307)x=7(308)x=30(309)x=2(310)x=2(311)x=67(312)x=49(313)x=4(314)x=1.4(315)x=10(316)x=4(317)x=4(318)x=5.3(319)x=7(320)x=9(321)x=3(322)x=3.7(323)x=3(324)x=17(325)x=0.3(326)x=15(327)x=6(328)x=7(329)x=4(330)x=16(331)x=3(332)x=7(333)x=8(334)x=0.3(335)x=2(336)x=6(337)x=5(338)x=92(339)x=10(340)x=0.4(341)x=4.2(342)x=1.2(343)x=3(344)x=10(345)x=1.5(346)x=11(347)x=9(348)x=2(349)x=9(350)x=1.2(351)x=12(352)x=7(353)x=0.4(354)x=44(355)x=9(356)x=13(357)x=29(358)x=4.4(359)x=3(360)x=14(361)x=8.8(362)x=10(363)x=10(364)x=70(365)x=8.7(366)x=60(367)x=6(368)x=7.4(369)x=7(370)x=10(371)x=67(372)x=15(373)x=8.1(374)x=45(375)x=8(376)x=58(377)x=5.9(378)x=0.8(379)x=4(380)x=50(381)x=23(382)x=5(383)x=4(384)x=10(385)x=24(386)x=12(387)x=9(388)x=0.3(389)x=66(390)x=20(391)x=20(392)