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)19.5-20x=5.5(2)90x-5=13(3)46x-2x+1.2=54(4)2x-1.1=2.3(5)16.2+6.6x=36(6)47x+90x+3.7=113.3(7)14x-2×1.8=10.4(8)2(3x+48)=156(9)3x+51=78(10)132+27x=186(11)x÷4=35(12)17x+27x+1.6=160(13)5.5-x=4.5(14)0.9x+4.1=11.3(15)45x-31×0.5=2.5(16)18.6-85x=1.6(17)17x-11x-35=25(18)x-0.5=9.1(19)7x=14(20)15x+2.5=5.5(21)39+14x=193(22)16x÷8=18(23)5.7-x=1.9(24)10.8-2.6x=3(25)13-2x=3(26)x+48=103(27)57x-38x-1.4=4.3(28)5.7x+2.4=19.5(29)6x+11x-25=230(30)109+2x=225(31)(7x-28)÷49=2(32)2x+4.1=20.1(33)1.6x÷4=0.8(34)99x+80x+2.8=38.6(35)5(0.7x+0.6)=27.5(36)x-27=11(37)12(0.3x-7.4)=30(38)2.6x-1.5x=11(39)1.2x÷10=1.8(40)42x-22x+1.1=37.1(41)x÷15=0.8(42)77x+68x+4.5=178.5(43)6x-33=81(44)73x-70x+3=5.1(45)6x+2.4=9(46)(7x+35)÷6=14(47)4.5x-3.1x-4.5=24.9(48)14x+8x-46=196(49)0.3x+3.2×2=17.2(50)2.4x-0.2×7=10.6(51)76x+39=191(52)x-6.2=2.5(53)14+x=76(54)63x-20x-3.2=61.3(55)(0.9x-1.3)÷2=2.5(56)32÷x=8(57)9x=6.3(58)3(11x-45)=162(59)38+x=82(60)6x+53=113(61)132-6x=18(62)x-83=12(63)5x=5.5(64)1.1x+1.2x=158.7(65)4.5x+3.9x-4.2=54.6(66)9.9x+0.5x=41.6(67)x-1.3=1.1(68)7.3-0.5x=1.3(69)2.6x+4.3x=55.2(70)14x÷28=0.2(71)2x=72(72)95÷x=5(73)9x+17x=130(74)40x÷8=10(75)4x+12x+35=115(76)60+7x=193(77)(4.8x+9.6)÷2=48(78)1.6x÷24=0.2(79)2.7x-0.5x+3=60.2(80)x÷21=8(81)44÷x=2(82)2x÷26=4(83)57+x=62(84)(5x-43)÷34=3(85)5.6-0.2x=3.2(86)(1.3x+0.8)÷2=8.2(87)4x+19x+8=54(88)7.8x+2.3x+2.9=114(89)x-0.5=7.8(90)3.6x+0.3×16=12(91)2x÷6=12(92)(5x+3.8)÷24=1.2(93)x÷3=3.9(94)1.4x-0.9x=1.5(95)7(x+12)=133(96)(0.9x+7.2)÷3=3.6(97)6.4x-5.6x-2.8=2.8(98)0.4+x=6.3(99)x÷2=3(100)27x-3.4=12.8(101)8.1x-7.3x=4(102)4.1x-3.7x=7.2(103)89x=17.8(104)6x+12x=288(105)2x+58×3=214(106)2.2+0.6x=20.8(107)16x-59=133(108)27x+10x+1.9=24.1(109)6x+4×4.1=35.6(110)2x+8×2=120(111)8x-3=9.8(112)5.5+x=6.7(113)21x-31×0.2=6.4(114)(1.1x+8.2)÷2=8.5(115)2(15x+38)=196(116)8x-2x-13=125(117)2.6x-2.1x-3.7=11.3(118)96-3x=36(119)3x+2×60=165(120)7(14x-31)=175(121)0.4x-4.3=10.5(122)2x=132(123)0.2x=5.6(124)2(3x+18)=174(125)14.5-0.2x=12.1(126)(5x-42)÷6=3(127)19.9-6x=3.7(128)16x-10x+27=57(129)3.6x+3.5x=156.2(130)9.7x+0.8x-3=28.5(131)12x-31×0.4=3.2(132)(4x-48)÷2=14(133)x-6.3=3.1(134)x+5.9=14(135)17.6-0.2x=16(136)13x+20×8=212(137)16.2÷x=0.6(138)8x+4x+20=104(139)x-3.3=4.9(140)2.3+5.5x=13.3(141)6.2+4.3x=23.4(142)61-x=59(143)(2.6x+4)÷6=3.7(144)1.4x=4.2(145)10(4x-18)=180(146)6(3x+12)=180(147)x-2.6=1.9(148)8(x+19)=200(149)(1.1x-3.1)÷4=3.9(150)4x+19x=115(151)53x+47x-3.7=116.3(152)2x+5×31=329(153)5(4x-39)=145(154)2x÷4=22(155)x-44=51(156)72-x=57(157)(5x+4)÷4=31(158)0.9x÷45=0.2(159)9.4-x=7.7(160)16x-2×13=38(161)15x-7x-25=15(162)4.2x-4.1=4.3(163)18.9÷x=0.9(164)2(1.3x+0.7)=9.2(165)0.5x+3.2x-4.3=99.3(166)10x-6x-15=21(167)9.6x-5.6x+2.8=38.8(168)4.9-7x=2.8(169)(9x-27)÷4=45(170)6.5x+8.9x+2.3=33.1(171)2.7x-1.7x-1.3=10.7(172)60x+56=236(173)9x+3x+23=119(174)2.7x-1.2x+4.8=46.8(175)6.5x-5.4x-2.1=4.5(176)8x+2x=250(177)1.9+98x=21.5(178)81+5x=211(179)9x-3.1=10.4(180)x+88=129(181)70-x=52(182)x+3.9=4.8(183)4x+0.5×6=23(184)4x=16(185)5x-2×34=77(186)79x+5x-4.9=28.7(187)17x-13x-10=30(188)13x-10x-15=27(189)x+46=101(190)0.6x=13.8(191)0.4x+4.7×2=23.8(192)11x+12x-18=189(193)8.9x-6.5x+0.4=22(194)48÷x=8(195)63x=126(196)x÷3=35(197)25x-15×0.2=9.5(198)6.9x-0.8x=73.2(199)5.5x+8.8x-2.8=97.3(200)13.6+7x=27.6(201)10x=11(202)2.3x+0.5x+2.6=33.4(203)6x-33=63(204)2.5-x=2.3(205)110+13x=227(206)0.9x+3.7×4=26.5(207)5.7-x=4(208)0.6x+5.7=16.5(209)4x-3×38=34(210)78x-14x-2=49.2(211)4.3x-1.4x=66.7(212)7x-5.5x-1.8=8.7(213)2.5x+2.4x+0.4=186.6(214)3x÷18=11(215)4x+7x+17=270(216)121-12x=73(217)18x=198(218)0.7x-0.2×8=5.4(219)2.5+x=4.7(220)(7.3x-2.6)÷4=17.6(221)7.5x-5.7x+3.3=6.9(222)2x÷15=12(223)18x-11x=42(224)10÷x=0.4(225)3x-2×27=105(226)43x+21x+0.5=122.1(227)5.5x-5x+4.9=11.4(228)x+41=140(229)7.2x+6.4x-0.6=40.2(230)41x+39x-1.8=78.2(231)70+39x=187(232)20x=60(233)44x-32x+4.9=24.1(234)x+65=86(235)x+6.1=13.2(236)x+90=142(237)6x-5×4=82(238)x÷3=42(239)x+3.4=12.7(240)3x+4×4.8=33.6(241)(13x+24)÷3=60(242)6x+2×0.4=14.6(243)5x-2×32=21(244)x÷5=30(245)0.5x-3.2=2.3(246)40x÷8=1.5(247)10(2.9x-4.1)=46(248)(1.5x-1.8)÷24=0.8(249)x+5.9=9.4(250)x÷33=0.4(251)17x+18x=70(252)18x+25=169(253)0.4x+5.3=14.5(254)27x-2×46=70(255)7.1+x=8(256)3x-2.6=4(257)(2x+12)÷6=4(258)(2.1x-9.1)÷7=0.2(259)0.3x+1.2=2.7(260)19.5+4.1x=35.9(261)1.8x-0.5×18=10.8(262)14x÷28=0.6(263)13x+4×15=203(264)90+x=159(265)8x-2x=120(266)x÷23=0.3(267)x÷12=1.5(268)4.9x+8.6x-1.7=38.8(269)8.7x-6.7x=10(270)2.7x+3.9x+3=148.2(271)2x=16(272)7.4x+0.5x-1.4=53.9(273)9.1x+5.2x+0.9=86.7(274)3.5x-0.5x=42(275)6(x+2)=120(276)14x-39=17(277)(6.4x-6)÷20=1.3(278)3x+9×11=123(279)14x-12x+21=35(280)69-x=60(281)2x+18=44(282)3x÷4=45(283)5x-2×17=71(284)15x-8x-4=9.3(285)99x÷11=1.8(286)188-5x=53(287)19÷x=0.5(288)5x=10.5(289)x÷14=0.6(290)14.9-5x=3.9(291)(5x-6)÷16=4(292)173-9x=101(293)6.6x+2.7x=74.4(294)30x÷90=0.2(295)x+5.4=11(296)7.9-x=5.6(297)4(0.2x+3)=27.2(298)15x-10×0.5=5.5(299)5.8x÷6=2.9(300)9x-2x-25=45(301)9.9x-1.4=18.4(302)3x+9x-22=26(303)1.4x=5.6(304)9.4+x=12.6(305)0.2x-2.9=4.5(306)171-22x=83(307)19.8÷x=1.8(308)9x-4x+46=136(309)0.5x=14(310)71x+16x-1=86(311)61-x=44(312)3.2x+1.2x=8.8(313)2.2x-5.4=10(314)2(3.4x-8.5)=23.8(315)6.7+2x=19.5(316)1.4x-1.2x+1.4=15.4(317)6x+6.8x=140.8(318)(2.1x-3.5)÷35=0.5(319)6.5x-5x+2.7=16.2(320)x-18=19(321)0.6x-1.5×4=7.2(322)x+8.9=10(323)6x-5×0.8=10.4(324)16x-10x+4.9=15.1(325)19.2÷x=0.2(326)96x+2.5=21.7(327)56x÷16=0.7(328)18.9-0.6x=4.5(329)11x+6x-43=212(330)163+7x=296(331)4x+15x-18=134(332)36÷x=2(333)14(5x-31)=196(334)21x+15x-2.2=116.6(335)5x+19x+28=76(336)6.6+x=11.8(337)0.5x÷4=3(338)18.4÷x=0.8(339)3x+2.1x-2.2=161(340)8+x=15.7(341)0.7x-0.5x-4.5=10.1(342)3(x+24)=183(343)3x-20=148(344)x-6=31(345)x-22=58(346)(3x+30)÷10=6(347)3.1x+1.2=13.6(348)9x-24=84(349)115-11x=82(350)6(0.2x-3.9)=19.8(351)3.1x-3.8=5.5(352)2.7x-0.3x-1.3=37.1(353)11x+17=105(354)13x-5x=96(355)19.5-4x=15.9(356)72x-27x-2.7=24.3(357)4.9x-0.8×15=2.7(358)4.3+0.4x=15.1(359)0.7x+0.2×4=8.5(360)(2.6x-5.2)÷7=2.6(361)5(0.9x+3.6)=31.5(362)5x+17x+4.7=33.3(363)6x=2.4(364)x÷15=8(365)10x+11x-8=55(366)x+12=47(367)85x-18x-2.4=64.6(368)13x+9×0.7=19.3(369)x+1.3=10.1(370)1.2x+9.7x+3.7=112.7(371)(1.2x-2.8)÷28=0.5(372)x+81=177(373)29x=14.5(374)25x+4.6=12.1(375)2(4.9x-9.5)=30(376)x-13=85(377)(4.8x+1.2)÷36=0.3(378)15x÷45=3(379)92+x=187(380)9x-3x=114(381)6x+14=170(382)9(0.4x-3.8)=41.4(383)97-x=88(384)9x-2x+15=134(385)12x-5x=14(386)33x+13×0.8=17(387)40-x=27(388)1.8x+0.8x+0.8=86.6(389)0.8x+3.8=11(390)24x+16×7=184(391)12x+13x=75(392)2x÷6=1.7(393)4x-58=86(394)(9x+3)÷6=5(395)(4x+40)÷6=22(396)0.2x+0.2×44=17(397)x÷4=16(398)70+15x=205(399)5x-2×1.1=15.3(400)5.8-1.5x=2.8(401)18.3+2x=27.3(402)0.2x=11.2(403)14(0.2x-5.2)=39.2(404)39+x=115(405)95x-5x+2.9=56.9(406)1.2x+2.2=16.6(407)10x+5.6=25.6(408)136÷x=17(409)9x-3x+9=111(410)9x-7x+49=83(411)9(9x-49)=126(412)3x-4×25=11(413)28x÷7=1.6(414)2.7x-1.3x-3=4(415)5.1+2x=13.5(416)7(19x-48)=196(417)148-7x=120(418)(8x-21)÷7=13(419)11x+9x+45=405(420)11.7÷x=3.9(421)6.3x+5.6x=71.4(422)x-4.8=2.3(423)16.6-13x=6.2(424)2(0.9x+9.3)=24(425)(4.6x+6)÷2=37.5(426)13.1-9x=3.2(427)7.8-x=6.6(428)7x-2x+11=141(429)8x=168(430)5x+6×2.6=16.6(431)2x=144(432)7x+3x+45=295(433)28(0.2x-3.7)=42(434)5(1.4x+2.2)=25(435)10.3-0.9x=8.5(436)72+x=118(437)0.3x+0.6×30=26.7(438)18x-13x=20(439)12x=168(440)10.7-0.3x=7.1(441)2(2.3x+7.3)=23.8(442)52x+1.5=11.9(443)86x+66x-0.9=90.3(444)0.7x-0.3x+2.6=25(445)7x-13=141(446)2.3x+2.4×3=11.8(447)16x+19x+27=377(448)14x+20×0.9=20.8(449)(12x+32)÷2=46(450)1.5x+5.8x=65.7(451)1.2x-2.6=16.6(452)6x-3x=48(453)19.1+15x=26.6(454)15÷x=1(455)35x-11x+1.9=11.5(456)24x-5x-4.4=31.7(457)2.9+64x=15.7(458)9.2x-3.9x=26.5(459)30÷x=10(460)5+x=10.3(461)8.7+x=11.6(462)4x+2x-43=83(463)2(2x+4.3)=36.6(464)6.3+6.5x=19.3(465)2.2x-0.4×33=2.2(466)2x+3x-0.4=7.1(467)28x=112(468)x+48=72(469)14x+24x+3.6=159.4(470)3x+1.3=19.6(471)2(0.5x+4.3)=13.6(472)2(3x+17)=172(473)48x-3.5=10.9(474)(12x-38)÷2=89(475)18x-16x+34=48(476)0.3x+5.9=22.7(477)10.9+17x=16(478)7x+4x=275(479)17x-7x=30(480)4x-2x-3=85(481)0.9x-0.6×18=4.5(482)(10x-13)÷13=19(483)(12x+36)÷9=8(484)0.8x÷24=0.2(485)5.1x=15.3(486)x-43=13(487)4x+14x=216(488)6.2+0.8x=12.6(489)8x+3×63=213(490)0.5x-2.2×3=3.9(491)16-x=13(492)8.4x÷12=1.4(493)19.8+2x=22.6(494)2(0.5x-2.4)=11.2(495)58x+59=233(496)73x-48x-3.1=1.9(497)156÷x=6(498)13x-1.5=2.4(499)x+2.2=7.3(500)5x-2x+18=36(501)15x+14x-42=306(502)x÷7=7(503)33x=16.5(504)6.9x-3.7=10.1(505)10x-8x=40(506)x÷10=18(507)8.5-x=3.1(508)56x-4x-4.2=37.4(509)32x+6×0.4=18.4(510)82-13x=30(511)90÷x=30(512)7x÷14=0.3(513)x÷21=0.7(514)x÷89=0.2(515)82+x=103(516)14x-4x-20=100(517)0.3x÷21=0.7(518)2x-29=31(519)18x+12x=240(520)x-64=28(521)9.6-x=8.9(522)x-2.7=5(523)9(3x-28)=126(524)94x+50x-4=24.8(525)20x+1.2=13.2(526)(4.5x+7.4)÷4=17.6(527)3.6x+0.3x+3.2=57.8(528)84+x=131(529)2.6x-2×3=4.4(530)45-x=30(531)3x-2.9=10.3(532)9x-4×1.1=9.1(533)43x-37x+1.5=12.3(534)3(14x-45)=75(535)48x+33x+1.7=50.3(536)8x+41×0.2=17(537)9.4+5x=24.4(538)13x+11x-3.7=13.1(539)94x-24x+1.4=50.4(540)8.6x+5.3x-3.9=135.1參考答案(1)x=0.7(2)x=0.2(3)x=1.2(4)x=1.7(5)x=3(6)x=0.8(7)x=1(8)x=10(9)x=9(10)x=2(11)x=140(12)x=3.6(13)x=1(14)x=8(15)x=0.4(16)x=0.2(17)x=10(18)x=9.6(19)x=2(20)x=0.2(21)x=11(22)x=9(23)x=3.8(24)x=3(25)x=5(26)x=55(27)x=0.3(28)x=3(29)x=15(30)x=58(31)x=18(32)x=8(33)x=2(34)x=0.2(35)x=7(36)x=38(37)x=33(38)x=10(39)x=15(40)x=1.8(41)x=12(42)x=1.2(43)x=19(44)x=0.7(45)x=1.1(46)x=7(47)x=21(48)x=11(49)x=36(50)x=5(51)x=2(52)x=8.7(53)x=62(54)x=1.5(55)x=7(56)x=4(57)x=0.7(58)x=9(59)x=44(60)x=10(61)x=19(62)x=95(63)x=1.1(64)x=69(65)x=7(66)x=4(67)x=2.4(68)x=12(69)x=8(70)x=0.4(71)x=36(72)x=19(73)x=5(74)x=2(75)x=5(76)x=19(77)x=18(78)x=3(79)x=26(80)x=168(81)x=22(82)x=52(83)x=5(84)x=29(85)x=12(86)x=12(87)x=2(88)x=11(89)x=8.3(90)x=2(91)x=36(92)x=5(93)x=11.7(94)x=3(95)x=7(96)x=4(97)x=7(98)x=5.9(99)x=6(100)x=0.6(101)x=5(102)x=18(103)x=0.2(104)x=16(105)x=20(106)x=31(107)x=12(108)x=0.6(109)x=3.2(110)x=52(111)x=1.6(112)x=1.2(113)x=0.6(114)x=8(115)x=4(116)x=23(117)x=30(118)x=20(119)x=15(120)x=4(121)x=37(122)x=66(123)x=28(124)x=23(125)x=12(126)x=12(127)x=2.7(128)x=5(129)x=22(130)x=3(131)x=1.3(132)x=19(133)x=9.4(134)x=8.1(135)x=8(136)x=4(137)x=27(138)x=7(139)x=8.2(140)x=2(141)x=4(142)x=2(143)x=7(144)x=3(145)x=9(146)x=6(147)x=4.5(148)x=6(149)x=17(150)x=5(151)x=1.2(152)x=87(153)x=17(154)x=44(155)x=95(156)x=15(157)x=24(158)x=10(159)x=1.7(160)x=4(161)x=5(162)x=2(163)x=21(164)x=3(165)x=28(166)x=9(167)x=9(168)x=0.3(169)x=23(170)x=2(171)x=12(172)x=3(173)x=8(174)x=28(175)x=6(176)x=25(177)x=0.2(178)x=26(179)x=1.5(180)x=41(181)x=18(182)x=0.9(183)x=5(184)x=4(185)x=29(186)x=0.4(187)x=10(188)x=14(189)x=55(190)x=23(191)x=36(192)x=9(193)x=9(194)x=6(195)x=2(196)x=105(197)x=0.5(198)x=12(199)x=7(200)x=2(201)x=1.1(202)x=11(203)x=16(204)x=0.2(205)x=9(206)x=13(207)x=1.7(208)x=18(209)x=37(210)x=0.8(211)x=23(212)x=7(213)x=38(214)x=66(215)x=23(216)x=4(217)x=11(218)x=10(219)x=2.2(220)x=10(221)x=2(222)x=90(223)x=6(224)x=25(225)x=53(226)x=1.9(227)x=13(228)x=99(229)x=3(230)x=1(231)x=3(232)x=3(233)x=1.6(234)x=21(235)x=7.1(236)x=52(237)x=17(238)x=126(239)x=9.3(240)x=4.8(241)x=12(242)x=2.3(243)x=17(244)x=150(245)x=11(246)x=0.3(247)x=3(248)x=14(249)x=3.5(250)x=13.2(251)x=2(252)x=8(253)x=23(254)x=6(255)x=0.9(256)x=2.2(257)x=6(258)x=5(259)x=5(260)x=4(261)x=11(262)x=1.2(263)x=11(264)x=69(265)x=20(266)x=6.9(267)x=18(268)x=3(269)x=5(270)x=22(271)x=8(272)x=7(273)x=6(274)x=14(275)x=18(276)x=4(277)x=5(278)x=8(279)x=7(280)x=9(281)x=13(282)x=60(283)x=21(284)x=1.9(285)x=0.2(286)x=27(287)x=38(288)x=2.1(289)x=8.4(290)x=2.2(291)x=14(292)x=8(293)x=8(294)x=0.6(295)x=5.6(296)x=2.3(297)x=19(298)x=0.7(299)x=3(300)x=10(301)x=2(302)x=4(303)x=4(304)x=3.2(305)x=37(306)x=4(307)x=11(308)x=18(309)x=28(310)x=1(311)x=17(312)x=2(313)x=7(314)x=6(315)x=6.4(316)x=70(317)x=11(318)x=10(319)x=9(320)x=37(321)x=22(322)x=1.1(323)x=2.4(324)x=1.7(325)x=96(326)x=0.2(327)x=0.2(328)x=24(329)x=15(330)x=19(331)x=8(332)x=18(333)x=9(334)x=3.3(335)x=2(336)x=5.2(337)x=24(338)x=23(339)x=32(340)x=7.7(341)x=73(342)x=37(343)x=56(344)x=37(345)x=80(346)x=10(347)x=4(348)x=12(349)x=3(350)x=36(351)x=3(352)x=16(353)x=8(354)x=12(355)x=0.9(356)x=0.6(357)x=3(358)x=27(359)x=11(360)x=9(361)x=3(362)x=1.3(363)x=0.4(364)x=120(365)x=3(366)x=35(367)x=1(368)x=1(369)x=8.8(370)x=10(371)x=14(372)x=96(373)x=0.5(374)x=0.3(375)x=5(376)x=98(377)x=2(378)x=9(379)x=95(380)x=19(381)x=26(382)x=21(383)x=9(384)x=17(385)x=2(386)x=0.2(387)x=13(388)x=33(389)x=9(390)x=3(391)x=3(392)x=5.1(393)x=36(394)x=3(395)