五年級數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案匯編(1)3.9x-1.3x=54.6(2)17x-6x=99(3)15x-5x-15=65(4)4.1x-0.5x+0.2=39.8(5)0.2x=12.6(6)19.7+23x=31.2(7)1.2x-0.2x=76(8)(1.3x+4.7)÷3=8.5(9)111-2x=11(10)0.3x-1.1=14.2(11)65-x=37(12)3x=138(13)0.3x-0.5×16=4.9(14)(2.2x-8.8)÷22=0.5(15)0.3x-3.6=2.1(16)(18x+45)÷11=27(17)1.2x+0.5x=130.9(18)7x+18x-20=80(19)18.6÷x=0.2(20)4x+1.9=18.3(21)(17x+23)÷3=53(22)16x+7x+23=138(23)3.9x÷78=0.2(24)39x÷26=0.3(25)23x-1.1=17.3(26)(1.1x+5.1)÷5=3(27)127+48x=319(28)23x+30×4=235(29)x-3.2=3.6(30)19.2-3x=10.8(31)4(1.4x+4.1)=33.2(32)1.2x+4.6×2=27.2(33)18x-50×2=98(34)26x÷52=0.2(35)10x=7(36)39x=11.7(37)9x+7×1.2=27.3(38)x÷7=1.7(39)4(2.4x+0.6)=21.6(40)1.1x+2=10.8(41)3x+2x-38=97(42)0.6x+5.4=16.8(43)1.4x+3.1=14.3(44)0.3x+3.6=9(45)6x-2x-45=35(46)1.5x+0.2×19=18.8(47)5x-3×9=18(48)88x-11x+0.7=54.6(49)2.6x-2.7×2=12.8(50)61-x=26(51)(3.4x-2.4)÷2=10.7(52)7x÷2=35(53)19x+10x+44=189(54)x÷17=0.7(55)2(0.7x+1)=32.8(56)16x-11x=15(57)17.5-4x=16.3(58)93+x=129(59)(4x+10)÷26=3(60)x-19=33(61)7x=5.6(62)3x+66×2=330(63)39x-19x+4.2=14.2(64)4x-5×7=57(65)7.2x-2.9x=17.2(66)9(0.2x-6.5)=18.9(67)x+50=146(68)x+6.1=12.5(69)63÷x=21(70)x-76=20(71)18(x+6)=180(72)x-0.2=1.8(73)0.3x÷5=1.2(74)x-7=11(75)31x+19x+3.3=63.3(76)173-7x=96(77)43x-2x+4.7=45.7(78)2.3x+0.9x+4.7=27.1(79)25x-6×0.8=7.7(80)4x÷2=12(81)x÷21=0.9(82)0.6x-0.4×37=2.6(83)15x-2=10(84)6.4x=12.8(85)199+2x=207(86)76x-74x+2.7=4.1(87)x÷21=0.8(88)2x÷3=3.8(89)0.9x+2.5=12.4(90)2x+15x+16=169(91)2.2x-0.3×16=4(92)9.6x-8.2x+3.9=17.9(93)68+x=167(94)9x-15×0.2=2.4(95)92÷x=46(96)11x+15x+5=187(97)2.2+x=8.2(98)33x-28x-3.3=10.2(99)19x-17x+30=42(100)x+80=164(101)6-x=1.7(102)2.1x+1.7×10=33.8(103)16x=8(104)5(2x+8)=160(105)x+77=143(106)2x-26=16(107)13x+4x=187(108)2.1x+2.5x=128.8(109)57-x=43(110)4.2x+4.9x=163.8(111)3.5x+0.9x=52.8(112)2x-7×23=37(113)19x-15x+31=47(114)8.5+1.5x=17.5(115)14.3+64x=33.5(116)70-x=50(117)1.9x+0.3×8=21.4(118)27x-5x-0.2=21.8(119)41x-39x-2.8=1(120)96x-8x+4.2=30.6(121)2.3x-0.3×6=7.4(122)33x÷3=22(123)19x=19(124)4.4x+6.1x+1.7=117.2(125)9.9x+3x+0.9=129.9(126)16x=112(127)54x-46x-1.7=7.1(128)9x-5.5x+2.2=37.2(129)41+x=59(130)3x+5x-12=60(131)9.6x-5.8x=7.6(132)4.6x÷23=0.4(133)x+47=109(134)20(x+3)=160(135)6.9x÷46=0.3(136)4.1x+7.7x-1.6=128.2(137)2x+18×2=210(138)12+14x=16.2(139)(7x+14)÷10=7(140)36+x=62(141)0.3x÷17=0.6(142)9.7x+3.1x+4=93.6(143)1x+0.3×18=24.4(144)79-x=28(145)3x+50x+2.7=39.8(146)8-x=7.8(147)x-22=67(148)7.3x-2x=10.6(149)(18x-3)÷23=3(150)4x-2.7=4.1(151)3.7+x=12.9(152)89x+4=21.8(153)33x-3×2.9=1.2(154)38x+12x+3.3=13.3(155)8x-4x=48(156)3.5+85x=20.5(157)4x÷3=16(158)0.2x÷14=0.9(159)89x-40x-1.1=52.8(160)16.6-9x=13(161)1.1x+0.3×13=7.2(162)3.1x+4.4x=22.5(163)12÷x=0.3(164)2.5x=5(165)8.6x-3.5x+2.2=48.1(166)21x-5×4=43(167)6.7-x=2.2(168)3x÷21=0.5(169)63x+34=223(170)x+1.4=9.1(171)8x+7.6x-3.9=136.5(172)6(2x-45)=198(173)4.8x+1.8=11.4(174)0.8x÷2=2(175)x÷8=23(176)5.8x-4.9x-2=5.2(177)5.7x-1.8x+3.9=62.4(178)16x+4x=160(179)74x+48x-1=84.4(180)2.3x=16.1(181)2x+10x-31=161(182)5.5x-1.9x+3.7=64.9(183)9.5+x=11.5(184)53x-18=141(185)65-x=61(186)(5.9x-2.6)÷27=3.4(187)16(0.3x-5.1)=28.8(188)27x-13x-2.3=7.5(189)1.8x-1.3=11.3(190)x-26=19(191)9.2x+3.5=21.9(192)9x+2x=66(193)2(3x+3)=30(194)149-2x=21(195)175÷x=35(196)3(0.9x-2.2)=39.3(197)(2.6x-4.4)÷30=0.2(198)19.2-2x=7.8(199)16x+20=180(200)154-4x=70(201)4(2x-4.2)=23.2(202)3x+41=89(203)35x-23x+1.5=26.7(204)17x+13x+35=365(205)2x+3x-15=150(206)8.4x-1.3x-4.1=59.8(207)14x+16x-2=358(208)2.7x=5.4(209)1x-2=15(210)x÷7=16(211)5+x=5.2(212)x÷19=0.5(213)6x+2×39=156(214)x-14=70(215)(18x+12)÷3=76(216)x-27=70(217)63+x=65(218)17x-7x-23=17(219)140÷x=14(220)6.4+6.2x=25(221)(0.9x+4.2)÷23=0.3(222)(16x-14)÷5=26(223)7.7x-0.6x-3.9=17.4(224)2(1.2x-4.2)=44.4(225)x+69=103(226)24x+7x+4.3=84.9(227)3.6x÷12=0.9(228)15.4-0.8x=9.8(229)2x-1.6=2.6(230)x+7.3=8.4(231)3x+7×1.8=21.3(232)2(2x+38)=192(233)(1.5x-6.5)÷2=6.5(234)44x+87x-2.8=115.1(235)2÷x=0.2(236)11x-1.3=10.8(237)3x+49×2=218(238)(7.7x-1.4)÷5=2.8(239)7.5x+4.8x+4.7=41.6(240)x-0.4=5.4(241)147÷x=21(242)2x=80(243)1.7+0.6x=10.7(244)78x÷4=3.9(245)x-47=17(246)2.6x+0.2×42=16.2(247)16.3+4.7x=25.7(248)7.2-x=3.6(249)9.7x-2.4x-1.3=27.9(250)9x+5x=280(251)x-5.3=2.1(252)81x+37x-0.8=34.6(253)42x÷6=21(254)6x÷24=2(255)11x+3×29=197(256)26x+81x+3.2=88.8(257)4x-32×0.2=3.2(258)4x+2×1.6=14.8(259)15x÷6=2.5(260)9.7x-6.8x=20.3(261)x÷41=3(262)13x-3x+32=122(263)65x-11x-3=24(264)4x-5×0.8=12(265)17x-13x=24(266)0.6x+3.2x-3.9=3.7(267)10.7+4x=28.3(268)11x-2x=45(269)14-21x=5.6(270)76+x=114(271)148-35x=43(272)2x=8(273)2.6x+5.9x+3.5=29(274)8x-36=76(275)2(x+2)=70(276)42+2x=64(277)14x-4×30=34(278)3(2x-23)=183(279)2.6x+2x=165.6(280)7.1+x=9.2(281)0.2x-4.6=4.2(282)16x-14x+49=67(283)5x-1.8=17.2(284)4(3.3x-7.4)=23.2(285)11.5-0.5x=10.5(286)x+4.9=13.7(287)6.8x-3.9x+2.1=42.7(288)12x-8x+44=96(289)12.8-2.4x=3.2(290)x-14=45(291)2.9x+5.2x-4.8=51.9(292)13x-26×2=91(293)(3x-21)÷3=16(294)x÷13=5(295)7x+16=107(296)23x+2×1.6=17(297)60÷x=15(298)19x-4x-15=135(299)8.4÷x=0.2(300)2.6x-1.6x+0.2=28.2(301)4.8+x=10.5(302)16x-2x+24=178(303)108÷x=6(304)0.7x+1.1×12=15.3(305)(2.8x+8.8)÷2=12.8(306)61x=183(307)21x-27=141(308)3x+17x=220(309)46-x=29(310)1.1x+3.6=15.7(311)x÷3=28(312)24x-29=67(313)(0.5x+4.4)÷31=0.4(314)128+7x=289(315)8x-20×7=44(316)38x+39x+3.1=126.3(317)17.8-5x=11.3(318)(11x+32)÷42=6(319)7(13x-33)=133(320)x+64=101(321)39x-26x-3.7=4.1(322)7x-0.4x=52.8(323)1x-0.2×3=2.4(324)(3.2x+9.6)÷2=30.4(325)0.7x-1.8=9.4(326)15x+27×0.5=21(327)25x+43×0.3=25.4(328)45x=135(329)x-0.9=4.2(330)4x-2x-24=58(331)5(4x+5)=165(332)13x+11x+49=265(333)3.5x-3.1x+1.5=8.7(334)8(0.3x-9.8)=34.4(335)x-3.7=5.3(336)190÷x=2(337)2.9x+3.9x-2.5=45.1(338)5.9+4x=7.5(339)x+52=94(340)55-x=41(341)1.1x+2.6×5=29.5(342)93x-22x+0.3=64.2(343)(3x-48)÷30=1(344)41+x=107(345)3x+6x=207(346)x÷16=8(347)(8.1x-9.2)÷8=11(348)5x+5×3.8=28(349)59x+5.7=17.5(350)18x-12x+23=83(351)14x+12x-28=258(352)x-3.3=4.7(353)9(1.5x-2.5)=31.5(354)3x-2×28=136(355)(7.6x-2.8)÷20=2.9(356)19x-27=49(357)7-x=3.9(358)4.6-3x=1(359)147+7x=301(360)18x+41=149(361)(11x-31)÷2=111(362)x÷29=3(363)0.3x+4=17.2(364)3.8+0.7x=15.7(365)3(0.4x+4.4)=38.4(366)190+10x=330(367)157+3x=181(368)2.5x+0.3x-0.5=86.3(369)11.8+4.5x=20.8(370)(7x-28)÷22=7(371)4-x=1.1(372)4(25x-3)=188(373)x+6.5=9.5(374)4.9+70x=18.9(375)14.9-2.2x=3.9(376)18.8-37x=4(377)x+3=9.5(378)7.8x-5.3=10.3(379)2x+9x-31=156(380)9x-3x-11=31(381)(4x+8)÷27=4(382)39x+25x-0.3=12.5(383)5.2x-2.1x-1.9=47.7(384)54x÷6=18(385)0.5x+1.5x=122(386)6x+7x+49=400(387)5(0.4x+1.3)=18.5(388)6.4+x=16.3(389)19x-16x-1.6=5(390)10÷x=2(391)6.2-x=5(392)3.3x-3.2×4=3.7(393)0.3x=17.4(394)x÷14=1.1(395)7x=182(396)5(x-8)=50(397)3x+49×2=128(398)83+16x=259(399)15x+2x=68(400)7x+0.3x-3.7=76.6(401)x÷16=1.1(402)2(3x-29)=188(403)x+27=58(404)x-0.3=6.4(405)8(2.7x-4)=32.8(406)5.5x-2.4x=24.8(407)6x-2x-46=70(408)2.2x-0.5x=27.2(409)(3x+26)÷11=10(410)5.7x=11.4(411)3x+31=181(412)19.2-6.3x=6.6(413)3.2x=12.8(414)6x-0.7x-2.2=19(415)2x-10=128(416)10.2-0.2x=4.6(417)69+5x=184(418)2(0.7x+4.4)=11.6(419)68x-45x+1=7.9(420)4(x+17)=172(421)4x+8×5=68(422)14x+16x=210(423)19.3-0.2x=13.9(424)6x-2.2=8(425)(5x-44)÷2=38(426)0.9x+0.3x+4.2=69(427)112-3x=76(428)86+x=176(429)4x=36(430)4x+6x-9=21(431)54-x=42(432)43x-12=74(433)8x=16(434)2(2x-26)=124(435)4.9+x=12.7(436)58x+24x-1.8=88.4(437)62x-55x+2.1=11.9(438)113-18x=77(439)(2.5x+3.1)÷13=3.7(440)12x-5×1.3=10.3(441)1.1x-4.4=7.7(442)7(0.3x+3.5)=28.7(443)9.7x-4.6x-4=31.7(444)7x÷5=21(445)1.7x+5.1x+0.7=21.1(446)6.7+7x=17.9(447)15.4÷x=2.2(448)4.9x+3.6x=34(449)8x-5x-29=22(450)4x-3.3=14.3(451)4+x=41(452)x+3.8=7.5(453)x-2.7=2.3(454)84÷x=12(455)(6.4x+2.5)÷31=0.7(456)3(x+10)=75(457)11.8-0.2x=7.4(458)13x+16x+35=209(459)2(0.2x+4.7)=22.6(460)x+3.4=4.1(461)2x+36×0.3=13.2(462)22x+48x+2.8=72.8(463)10x-7x+31=82(464)x÷6=1.2(465)11(5x-38)=187(466)16x-9x+6=34(467)0.6x-0.5×2=18.2(468)12÷x=0.8(469)173-3x=83(470)17.4+89x=35.2(471)6.1x+9.3x=107.8(472)10x÷15=2(473)8x-15×0.9=5.7(474)11.9+1.7x=23.8(475)3.8÷x=0.2(476)2x-3×0.7=1.5(477)44x+21x+0.6=39.6(478)3.3x+5.9x-3=98.2(479)4.7x-4.2x-3.3=5.2(480)5.4x-1.8x-3.7=57.5(481)45x-5.2=3.8(482)x÷12=1.3(483)28x+83x-4.5=106.5(484)12x+6×2=84(485)(3x-39)÷6=3(486)17x÷5=3.4(487)2x÷8=1.9(488)9.8+x=10.8(489)98x+4=23.6(490)3x-3×3=2.4(491)(2.2x-6.5)÷37=0.3(492)14x=168(493)7.6x=15.2(494)2.2x+1.4x+1=159.4(495)17x-10x=14(496)0.3x÷7=1.2(497)5x+5.5=10(498)70x-29=111(499)91x=18.2(500)5x+15x=120(501)(14x+6)÷8=20(502)(7x-32)÷3=22(503)2x+1.8=13(504)169-26x=91(505)8.4-12x=2.4(506)3x=6.6(507)8x-4x-39=33(508)29x+58x-4.1=13.3(509)x+90=126(510)10x=18(511)2x+4.9=7.1(512)13x-6x=105(513)7.9-x=3.1(514)27x+61x+3.6=126.8(515)19x-6x=65(516)18x-2x=144(517)19.2÷x=1.6(518)2.5x+0.4x-3.6=2.2(519)4(11x-25)=164(520)28x+3.1=11.5(521)11x+6x+23=295(522)1.6x-0.6×17=5.8(523)34x+50x-1.5=107.7(524)x÷2=47(525)14x÷21=0.2(526)7.9-x=7.1(527)64x+18=210(528)x+6.2=10.3(529)(7.3x+4)÷19=2.9(530)8.1+6.6x=21.3(531)3x+19=154(532)15+0.6x=24.6(533)15.4-0.4x=4.6(534)32x+3.2=9.6(535)16x+29=189(536)4x+15×1.1=28.1(537)3x+8x-3.5=31.7(538)x÷10=17(539)8.5x-4.1=12.9(540)2(0.4x+5)=26.8參考答案(1)x=21(2)x=9(3)x=8(4)x=11(5)x=63(6)x=0.5(7)x=76(8)x=16(9)x=50(10)x=51(11)x=28(12)x=46(13)x=43(14)x=9(15)x=19(16)x=14(17)x=77(18)x=4(19)x=93(20)x=4.1(21)x=8(22)x=5(23)x=4(24)x=0.2(25)x=0.8(26)x=9(27)x=4(28)x=5(29)x=6.8(30)x=2.8(31)x=3(32)x=15(33)x=11(34)x=0.4(35)x=0.7(36)x=0.3(37)x=2.1(38)x=11.9(39)x=2(40)x=8(41)x=27(42)x=19(43)x=8(44)x=18(45)x=20(46)x=10(47)x=9(48)x=0.7(49)x=7(50)x=35(51)x=7(52)x=10(53)x=5(54)x=11.9(55)x=22(56)x=3(57)x=0.3(58)x=36(59)x=17(60)x=52(61)x=0.8(62)x=66(63)x=0.5(64)x=23(65)x=4(66)x=43(67)x=96(68)x=6.4(69)x=3(70)x=96(71)x=4(72)x=2(73)x=20(74)x=18(75)x=1.2(76)x=11(77)x=1(78)x=7(79)x=0.5(80)x=6(81)x=18.9(82)x=29(83)x=0.8(84)x=2(85)x=4(86)x=0.7(87)x=16.8(88)x=5.7(89)x=11(90)x=9(91)x=4(92)x=10(93)x=99(94)x=0.6(95)x=2(96)x=7(97)x=6(98)x=2.7(99)x=6(100)x=84(101)x=4.3(102)x=8(103)x=0.5(104)x=12(105)x=66(106)x=21(107)x=11(108)x=28(109)x=14(110)x=18(111)x=12(112)x=99(113)x=4(114)x=6(115)x=0.3(116)x=20(117)x=10(118)x=1(119)x=1.9(120)x=0.3(121)x=4(122)x=2(123)x=1(124)x=11(125)x=10(126)x=7(127)x=1.1(128)x=10(129)x=18(130)x=9(131)x=2(132)x=2(133)x=62(134)x=5(135)x=2(136)x=11(137)x=87(138)x=0.3(139)x=8(140)x=26(141)x=34(142)x=7(143)x=19(144)x=51(145)x=0.7(146)x=0.2(147)x=89(148)x=2(149)x=4(150)x=1.7(151)x=9.2(152)x=0.2(153)x=0.3(154)x=0.2(155)x=12(156)x=0.2(157)x=12(158)x=63(159)x=1.1(160)x=0.4(161)x=3(162)x=3(163)x=40(164)x=2(165)x=9(166)x=3(167)x=4.5(168)x=3.5(169)x=3(170)x=7.7(171)x=9(172)x=39(173)x=2(174)x=5(175)x=184(176)x=8(177)x=15(178)x=8(179)x=0.7(180)x=7(181)x=16(182)x=17(183)x=2(184)x=3(185)x=4(186)x=16(187)x=23(188)x=0.7(189)x=7(190)x=45(191)x=2(192)x=6(193)x=4(194)x=64(195)x=5(196)x=17(197)x=4(198)x=5.7(199)x=10(200)x=21(201)x=5(202)x=16(203)x=2.1(204)x=11(205)x=33(206)x=9(207)x=12(208)x=2(209)x=17(210)x=112(211)x=0.2(212)x=9.5(213)x=13(214)x=84(215)x=12(216)x=97(217)x=2(218)x=4(219)x=10(220)x=3(221)x=3(222)x=9(223)x=3(224)x=22(225)x=34(226)x=2.6(227)x=3(228)x=7(229)x=2.1(230)x=1.1(231)x=2.9(232)x=29(233)x=13(234)x=0.9(235)x=10(236)x=1.1(237)x=40(238)x=2(239)x=3(240)x=5.8(241)x=7(242)x=40(243)x=15(244)x=0.2(245)x=64(246)x=3(247)x=2(248)x=3.6(249)x=4(250)x=20(251)x=7.4(252)x=0.3(253)x=3(254)x=8(255)x=10(256)x=0.8(257)x=2.4(258)x=2.9(259)x=1(260)x=7(261)x=123(262)x=9(263)x=0.5(264)x=4(265)x=6(266)x=2(267)x=4.4(268)x=5(269)x=0.4(270)x=38(271)x=3(272)x=4(273)x=3(274)x=14(275)x=33(276)x=11(277)x=11(278)x=42(279)x=36(280)x=2.1(281)x=44(282)x=9(283)x=3.8(284)x=4(285)x=2(286)x=8.8(287)x=14(288)x=13(289)x=4(290)x=59(291)x=7(292)x=11(293)x=23(294)x=65(295)x=13(296)x=0.6(297)x=4(298)x=10(299)x=42(300)x=28(301)x=5.7(302)x=11(303)x=18(304)x=3(305)x=6(306)x=3(307)x=8(308)x=11(309)x=17(310)x=11(311)x=84(312)x=4(313)x=16(314)x=23(315)x=23(316)x=1.6(317)x=1.3(318)x=20(319)x=4(320)x=37(321)x=0.6(322)x=8(323)x=3(324)x=16(325)x=16(326)x=0.5(327)x=0.5(328)x=3(329)x=5.1(330)x=41(331)x=7(332)x=9(333)x=18(334)x=47(335)x=9(336)x=95(337)x=7(338)x=0.4(339)x=42(340)x=14(341)x=15(342)x=0.9(343)x=26(344)x=66(345)x=23(346)x=128(347)x=12(348)x=1.8(349)x=0.2(350)x=10(351)x=11(352)x=8(353)x=4(354)x=64(355)x=8(356)x=4(357)x=3.1(358)x=1.2(359)x=22(360)x=6(361)x=23(362)x=87(363)x=44(364)x=17(365)x=21(366)x=14(367)x=8(368)x=31(369)x=2(370)x=26(371)x=2.9(372)x=2(373)x=3(374)x=0.2(375)x=5(376)x=0.4(377)x=6.5(378)x=2(379)x=17(380)x=7(381)x=25(382)x=0.2(383)x=16(384)x=2(385)x=61(386)x=27(387)x=6(388)x=9.9(389)x=2.2(390)x=5(391)x=1.2(392)x=5(393)x=58(394)x=1