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)4x+8.7x=127(2)0.5x+5.3=6.3(3)9.9x-2.2x-3.1=58.5(4)x+22=52(5)9.6÷x=1.6(6)17.8-0.7x=4.5(7)69-12x=33(8)68+3x=152(9)2.3x-1.1×13=1.8(10)14x+17x-29=281(11)150-8x=94(12)196-12x=40(13)12-0.2x=3(14)181+2x=287(15)5x-2x=102(16)5x+3.2=12.7(17)26x+4×3.5=29.6(18)3.7x-0.5x-3.9=79.3(19)70÷x=10(20)(7.8x+1)÷22=4.3(21)49x+93x-0.8=70.2(22)16x+1.5=11.1(23)12x-10×2=76(24)4x=120(25)2x+4x-30=108(26)19x+2×87=364(27)8.4x+4x+4.1=66.1(28)2x-44=12(29)65x-15x+0.8=55.8(30)0.2x+3.2=7.4(31)x÷20=0.4(32)10.9-1.2x=8.5(33)36x÷60=3(34)0.2x÷11=1.4(35)3(0.3x+9.3)=48.6(36)(2.7x-7.5)÷2=19.2(37)22x=6.6(38)0.4x-1.2=14.8(39)99-16x=67(40)2+x=95(41)4.8x-3.7x-0.6=21.4(42)13x-8x=45(43)164-28x=108(44)x-62=23(45)6.3+1x=12.3(46)59x=118(47)2(x+42)=158(48)x÷23=8(49)0.2x-5.6=11.4(50)1.5x+1=17.5(51)16.8÷x=2.8(52)x-1.2=3.1(53)2x+9×11=251(54)(16x+32)÷18=16(55)3x-5.6=10.3(56)44x-5x-4.3=65.9(57)53x-7x+4.8=69.2(58)11.9-12x=7.1(59)0.9x-3=15.9(60)4.8+1.6x=16(61)9x+4x=273(62)10x-2x-1.9=7.7(63)93+48x=189(64)x÷48=0.2(65)40x÷25=0.8(66)10(1.8x-3.6)=18(67)24x=96(68)9x-2.6=11.8(69)59x-21=156(70)18x+4x+6=160(71)(6x-3.4)÷2=13.3(72)4(0.6x+8.8)=49.6(73)100÷x=2(74)x÷6=1.6(75)6.2x+0.4x-1.1=31.9(76)9.7x-2x+1.4=24.5(77)7.7x-3.3x=52.8(78)5x+3×2.5=16(79)16(1.5x-1.9)=17.6(80)2x=5(81)(2.6x+0.4)÷3=11.4(82)3x+5.7=7.2(83)2(2x+12)=36(84)3(1.3x+0.5)=17.1(85)9.5x-7.6x+4.5=14(86)19x-1.3=17.7(87)(7x-15)÷2=94(88)18x-8x+15=125(89)6-x=4.2(90)74-x=14(91)5x+7x=180(92)(7.6x+0.3)÷7=3.3(93)1.8÷x=0.9(94)4.1+x=9.8(95)2x=74(96)6.7x+6.3x+4.6=82.6(97)3x=17.7(98)3x-2.4x-0.4=11(99)12.4+5x=26.9(100)14x+11x+3.2=108.2(101)2x÷48=0.3(102)x-6.7=1.1(103)10.4-5x=4.9(104)0.2x-3.2=16.6(105)2(4x+31)=150(106)7x+18x+17=217(107)10x-7x-23=16(108)10x+11x=105(109)7.4+5x=19.9(110)10.9+6.5x=30.4(111)x+3.3=10(112)0.7x+1.1=17.9(113)x÷5=0.9(114)5x+30=205(115)9x+18x+0.6=14.1(116)9x+4x+26=169(117)74÷x=37(118)5x+10x=60(119)8x+43=243(120)10x-4x+31=61(121)(7x+34)÷6=29(122)3.3x+2.4×8=25.8(123)2x-8×2=98(124)19x+10x+34=208(125)x÷17=4(126)17.4+11x=30.6(127)8.6x-2.6x=36(128)6.6x-2.8x+4.3=23.3(129)3(2x+46)=198(130)18-1x=5(131)2.3x-1.2x+3.3=50.6(132)7x-4x=33(133)8x+5×3=143(134)(7x-29)÷8=20(135)2(2x+0.6)=21.2(136)2.6x-1.1x+1.4=20.9(137)x+58=126(138)(5.9x-9.5)÷5=9.9(139)184+3x=292(140)5.5+x=12.8(141)2x=144(142)11x+8x=266(143)46x-22x-1.4=49(144)2.3+x=9.7(145)31x-36×0.3=1.6(146)3x-1x=16(147)3x=5.7(148)3x+11x+0.6=52.4(149)7x+3x-45=205(150)2x-2×36=96(151)3.2x-0.4×24=3.2(152)x-2.1=2.8(153)134÷x=2(154)34x-32x-1.8=4(155)(5.4x+2.2)÷13=6.4(156)(4.8x+1.2)÷27=2(157)11x-3x=144(158)2x+10x+36=228(159)13.9+2x=33.5(160)187-9x=151(161)(5.3x+5.8)÷4=14.7(162)85x+12x+4.1=62.3(163)20x=6(164)18x-10x-29=43(165)6(5x-42)=198(166)x÷29=2(167)10x+14x-24=72(168)27x+8×0.2=15.1(169)71-x=11(170)21(x+2)=84(171)81-x=50(172)20x=4(173)x+35=123(174)x+6.4=8.8(175)37x-12x-4.2=58.3(176)19.2÷x=1.2(177)x+4.2=8.2(178)(6.7x+9.7)÷3=27.8(179)(10x+48)÷22=4(180)47x-18x+1=32.9(181)(7x-14)÷7=2(182)1.5x+1.9x=125.8(183)6.4x-4.3x=27.3(184)11x+5x=224(185)9.7-x=3.4(186)15.4÷x=0.7(187)2(1.6x-3.7)=15(188)16x-11x-2=18(189)6x+7x=65(190)5.4-x=2.5(191)19x+30x-2.2=130.1(192)15.3-0.2x=13.9(193)4.1x+5.6x+1.9=108.6(194)7x-5x+36=72(195)28x-8x-1.2=48.8(196)2(6x-8)=8(197)18+2.3x=31.8(198)13x+2×27=171(199)6x-4x+45=75(200)20x-15x+3.6=23.1(201)2x+3×64=290(202)9x-2.6x=25.6(203)1.5x+4.1x=72.8(204)1x-0.3×25=4.5(205)11x+5=22.6(206)3.5x=14(207)13-16x=3.4(208)0.9x-3.9×2=10.2(209)33x+2×2.5=18.2(210)x+76=102(211)108+5x=298(212)64÷x=32(213)(2.5x-1.5)÷3=14.5(214)(8x-34)÷5=14(215)28x+69x+0.7=107.4(216)5.8-x=1(217)8x-5x=66(218)17x+24=160(219)1.1x+2.2x+2.7=81.9(220)12x÷30=2(221)44-x=32(222)3(3x-33)=36(223)0.3x+2.2×4=16.6(224)7.7x÷14=1.1(225)1.6x+3.7=16.5(226)8x-2x-15=135(227)14x÷5=28(228)(8x+4)÷2=110(229)6.4x-5.4x=8(230)2(0.4x+5.4)=29.2(231)18x-12×0.4=4.2(232)x÷15=5(233)79-x=59(234)3x+2x-3=172(235)x÷24=6(236)6x-3x+32=110(237)0.6x÷24=0.7(238)2x+24=56(239)33x-3.4=13.1(240)3(x+0.2)=39.6(241)1.3x-4.2×2=3.3(242)19-7x=6.4(243)x-46=48(244)x-40=21(245)15x-8x-9=19(246)10.8÷x=0.3(247)(16x-16)÷8=16(248)1.3x+1.3=3.9(249)28x-12=156(250)8x-4.5x-0.5=6.5(251)3.3x+0.2×9=8.4(252)7x-28=70(253)26x÷65=0.2(254)61x-16x+4.6=13.6(255)10(2x+7)=110(256)9.7-x=5.7(257)1.1x+3.4x-0.3=85.2(258)x-4.6=1(259)6-x=5.3(260)x-1.9=4.1(261)17.1+1x=29.1(262)1.6x+5.8x+1.8=24(263)120÷x=12(264)5+2x=17.6(265)1.8x+4.2=15(266)2x-27=49(267)16.7-72x=2.3(268)0.2x-0.5×7=5.3(269)2x÷10=9(270)2x+1.7=4.1(271)4(2.1x+3)=37.2(272)x-2=82(273)25x÷30=0.5(274)43x=86(275)x+4.1=7.7(276)31x-5×1.3=2.8(277)1x+5.6=16.6(278)9.6+x=10.2(279)8x+54=158(280)15x-11x-17=23(281)2.3+x=10.4(282)(6.9x-9.2)÷38=2.3(283)6(x-38)=66(284)2x+9×1.7=18.1(285)6.5-x=2.7(286)x-1.3=1.3(287)22x+5=22.6(288)0.9x-3=8.7(289)x+40=99(290)(16x-23)÷9=17(291)9x+2x+29=73(292)x+2.3=10.8(293)(9x-14)÷5=35(294)9.6-x=6.7(295)x-34=44(296)9x-5.3x-2.3=27.3(297)2x+3.3=14.1(298)3x-3×1.3=2.1(299)x+3.8=13.5(300)76-x=29(301)18.1+0.4x=34.9(302)4(3x+28)=148(303)14x÷28=4(304)160÷x=40(305)1.8+2x=8.6(306)18.1-0.3x=12.1(307)15x+7×2=21.5(308)16x-11x-10=30(309)8.9x+6.4x=45.9(310)30x+57x-0.7=86.3(311)114+15x=204(312)48x+31x+3.6=74.7(313)12x=48(314)4x+23×0.3=16.9(315)x-0.5=2.4(316)1.3x+3.9x-4.1=89.5(317)48x-17x-3.7=2.5(318)2.8x+0.8×11=25.6(319)134+25x=209(320)x÷92=2(321)66x-54x+1.8=16.2(322)10x-3x+13=69(323)(10x+5)÷33=5(324)23x-10×4=29(325)5.6x-0.7x+1.2=20.8(326)126÷x=14(327)6x+8x-49=119(328)x÷16=0.2(329)3.3+3.6x=17.7(330)17x-10x-1.1=4.5(331)x+94=192(332)4.6+x=14.4(333)1.1x+0.3×28=26(334)x+77=141(335)1.3x÷5=3.9(336)2.6x-1.4x+4.8=39.6(337)18.4+14x=35.2(338)0.5x=13.5(339)(7.8x+4.4)÷10=2(340)0.5x=20(341)(9x+8)÷32=7(342)48x-15×0.3=9.9(343)x-3.6=3.9(344)85x÷34=0.5(345)21(0.3x-6.4)=48.3(346)76-x=46(347)0.4x=16.8(348)13.5-22x=2.5(349)3(0.7x+6.5)=34.2(350)3.5x+0.4×30=29.5(351)48x+44x-4.3=124.5(352)3(x+32)=117(353)19x÷3=3.8(354)14.9-4.3x=2(355)4.7x-4x-0.7=2.1(356)8x+10×3=214(357)6.1x-5.4x-3.6=7.6(358)x÷9=17(359)19.4+13x=35(360)17x-22=148(361)1x=18(362)2.8÷x=0.7(363)2x÷14=1.1(364)19x+4x+3.4=113.8(365)46-x=27(366)23x=161(367)60+x=115(368)x÷5=35(369)57x-28x+0.3=49.6(370)47+x=108(371)5x+29=224(372)2x-5×22=74(373)160+65x=290(374)14x-12x=14(375)1.2x=7.2(376)1.9x-1.2=12.1(377)5(6x-45)=195(378)18x-1.4=11.2(379)70x+18x-1.2=16.4(380)3x+3×3.7=18.3(381)108÷x=2(382)(2x+43)÷3=33(383)2(5x-21)=128(384)14x=196(385)45x+35x-1.5=94.5(386)4(1.7x-8)=42.8(387)8x-3x+45=95(388)20x=8(389)x-16=19(390)x÷2=3.3(391)7.5x+3.1x-1.2=115.4(392)2x÷7=26(393)10.9-5x=9.9(394)2.9x+8.5x=79.8(395)0.2x÷52=0.3(396)0.4x+7.4x+0.3=101.7(397)3x-1.9=9.5(398)0.2x=4.2(399)(0.6x+8.8)÷7=2.2(400)7x-2×75=46(401)25x-28×0.3=6.6(402)x+34=75(403)0.6x-0.3×39=7.5(404)6x+18x+41=137(405)46+x=136(406)154-2x=102(407)0.8x÷3=3.2(408)5x-28×0.5=1(409)13.2÷x=0.6(410)26+x=102(411)4x+3.7=17.3(412)7x+6x+23=244(413)4(0.6x-3.8)=30.4(414)3.3x-0.7×19=3.2(415)3x÷12=12(416)3.3x+0.5×29=21.1(417)2x÷6=3.2(418)x-4.5=2.7(419)5÷x=0.2(420)7.4x-4.3x=31(421)x÷24=0.8(422)7.4x-0.2x=50.4(423)2.3x+7.5x=117.6(424)6.1+2.7x=19.6(425)37+x=62(426)41x+22x-0.3=132(427)26x-16×5=76(428)47x-54=87(429)1.2x+1.3x-4.2=5.8(430)(5x-16)÷8=8(431)3x+0.5x-2.8=60.2(432)2.5x+4.6x-4.1=59.8(433)93x+41x-1.4=132.6(434)6x+5x-8=278(435)15x=10.5(436)1.9x+8.7x+2.3=23.5(437)9.5x-1x+1.7=69.7(438)(11x+20)÷6=18(439)52x+44x+4.6=23.8(440)3x+25×6=210(441)13(1.7x-4)=14.3(442)6x+5x=220(443)9x-6x=36(444)37+x=93(445)6-x=4.3(446)0.4+x=0.9(447)82+x=145(448)2(14x-2)=108(449)x+8.6=16.9(450)x+36=122(451)5.7x+7.1x-4.5=110.7(452)15+x=45(453)167+9x=248(454)0.4x-3.6=1.2(455)0.6x+2.6×3=24.6(456)88-x=15(457)6x+4.3x=144.2(458)19x-3x+38=134(459)6x-2x-15=25(460)3x+5x+5=53(461)15.8+18x=28.4(462)32x-7x-1.6=63.4(463)12x+15x=189(464)x-13=64(465)9x+25×0.2=8.6(466)(2x-22)÷34=1(467)3.1x=12.4(468)1.2x-2.1=14.7(469)6.7x+7.6x=85.8(470)115-2x=31(471)1.3x÷26=0.4(472)11x-2×23=64(473)x÷10=1.4(474)x-13=30(475)37x-3×2=1.4(476)4x-2x=58(477)189-33x=57(478)9x-2x+15=99(479)2.5x+7.1x=76.8(480)5x-3.3=8.7(481)5x=10(482)9.5-2.6x=4.3(483)9.5-8x=3.1(484)4(5x-8.5)=6(485)1.3x=15.6(486)0.6x+0.7x+2.1=80.1(487)14x+30=170(488)4.2x-2.9x-4.4=9.9(489)(5.9x-6.4)÷6=6.8(490)17.2-0.8x=3.6(491)21x÷42=0.3(492)6x÷20=0.6(493)5.3+x=13.7(494)2(0.3x+2.7)=31.8(495)2x+43=193(496)(4.3x-8.8)÷21=0.4(497)3.1x-2.5x+4.9=22.3(498)2.5x+7.4x+3.5=82.7(499)30x+4x+1.1=38.5(500)4x÷36=2(501)2x-13=93(502)9.1x+1.7=19.9(503)18.9+0.9x=36.9(504)30x+17x-0.4=107.7(505)x÷27=0.3(506)12x-3x-6=111(507)14.9-5x=9.9(508)2x+0.4×5=8(509)x÷3=9(510)10x-16=124(511)12x+5×31=191(512)63x-51x+3.3=9.3(513)2(2x+21)=130(514)7.2+x=15.5(515)0.6x-1.6×3=10.2(516)(2.6x-9.8)÷2=17.2(517)(19x+14)÷3=49(518)10x÷5=14(519)2.1x+1.2x-2.1=24.3(520)7(x-4)=70(521)2x+3=9(522)4x+10x-8=230(523)(5.1x-1.4)÷4=22.6(524)13x-2.6=7.8(525)5x-2×4.8=4.4(526)3x+14×6=138(527)5(13x-24)=75(528)17x-10x=28(529)3x+16x-20=113(530)21x+55=139(531)7x-51×3=22(532)x+0.8=1(533)0.3x÷27=0.2(534)5x-3.7=11.8(535)69x-47x+3.2=12(536)x+3.1=5.4(537)x-11=42(538)6.9x-0.5x=57.6(539)2.1x-2.9=16(540)4(27x-35)=76參考答案(1)x=10(2)x=2(3)x=8(4)x=30(5)x=6(6)x=19(7)x=3(8)x=28(9)x=7(10)x=10(11)x=7(12)x=13(13)x=45(14)x=53(15)x=34(16)x=1.9(17)x=0.6(18)x=26(19)x=7(20)x=12(21)x=0.5(22)x=0.6(23)x=8(24)x=30(25)x=23(26)x=10(27)x=5(28)x=28(29)x=1.1(30)x=21(31)x=8(32)x=2(33)x=5(34)x=77(35)x=23(36)x=17(37)x=0.3(38)x=40(39)x=2(40)x=93(41)x=20(42)x=9(43)x=2(44)x=85(45)x=6(46)x=2(47)x=37(48)x=184(49)x=85(50)x=11(51)x=6(52)x=4.3(53)x=76(54)x=16(55)x=5.3(56)x=1.8(57)x=1.4(58)x=0.4(59)x=21(60)x=7(61)x=21(62)x=1.2(63)x=2(64)x=9.6(65)x=0.5(66)x=3(67)x=4(68)x=1.6(69)x=3(70)x=7(71)x=5(72)x=6(73)x=50(74)x=9.6(75)x=5(76)x=3(77)x=12(78)x=1.7(79)x=2(80)x=2.5(81)x=13(82)x=0.5(83)x=3(84)x=4(85)x=5(86)x=1(87)x=29(88)x=11(89)x=1.8(90)x=60(91)x=15(92)x=3(93)x=2(94)x=5.7(95)x=37(96)x=6(97)x=5.9(98)x=19(99)x=2.9(100)x=4.2(101)x=7.2(102)x=7.8(103)x=1.1(104)x=99(105)x=11(106)x=8(107)x=13(108)x=5(109)x=2.5(110)x=3(111)x=6.7(112)x=24(113)x=4.5(114)x=35(115)x=0.5(116)x=11(117)x=2(118)x=4(119)x=25(120)x=5(121)x=20(122)x=2(123)x=57(124)x=6(125)x=68(126)x=1.2(127)x=6(128)x=5(129)x=10(130)x=13(131)x=43(132)x=11(133)x=16(134)x=27(135)x=5(136)x=13(137)x=68(138)x=10(139)x=36(140)x=7.3(141)x=72(142)x=14(143)x=2.1(144)x=7.4(145)x=0.4(146)x=8(147)x=1.9(148)x=3.7(149)x=25(150)x=84(151)x=4(152)x=4.9(153)x=67(154)x=2.9(155)x=15(156)x=11(157)x=18(158)x=16(159)x=9.8(160)x=4(161)x=10(162)x=0.6(163)x=0.3(164)x=9(165)x=15(166)x=58(167)x=4(168)x=0.5(169)x=60(170)x=2(171)x=31(172)x=0.2(173)x=88(174)x=2.4(175)x=2.5(176)x=16(177)x=4(178)x=11(179)x=4(180)x=1.1(181)x=4(182)x=37(183)x=13(184)x=14(185)x=6.3(186)x=22(187)x=7(188)x=4(189)x=5(190)x=2.9(191)x=2.7(192)x=7(193)x=11(194)x=18(195)x=2.5(196)x=2(197)x=6(198)x=9(199)x=15(200)x=3.9(201)x=49(202)x=4(203)x=13(204)x=12(205)x=1.6(206)x=4(207)x=0.6(208)x=20(209)x=0.4(210)x=26(211)x=38(212)x=2(213)x=18(214)x=13(215)x=1.1(216)x=4.8(217)x=22(218)x=8(219)x=24(220)x=5(221)x=12(222)x=15(223)x=26(224)x=2(225)x=8(226)x=25(227)x=10(228)x=27(229)x=8(230)x=23(231)x=0.5(232)x=75(233)x=20(234)x=35(235)x=144(236)x=26(237)x=28(238)x=16(239)x=0.5(240)x=13(241)x=9(242)x=1.8(243)x=94(244)x=61(245)x=4(246)x=36(247)x=9(248)x=2(249)x=6(250)x=2(251)x=2(252)x=14(253)x=0.5(254)x=0.2(255)x=2(256)x=4(257)x=19(258)x=5.6(259)x=0.7(260)x=6(261)x=12(262)x=3(263)x=10(264)x=6.3(265)x=6(266)x=38(267)x=0.2(268)x=44(269)x=45(270)x=1.2(271)x=3(272)x=84(273)x=0.6(274)x=2(275)x=3.6(276)x=0.3(277)x=11(278)x=0.6(279)x=13(280)x=10(281)x=8.1(282)x=14(283)x=49(284)x=1.4(285)x=3.8(286)x=2.6(287)x=0.8(288)x=13(289)x=59(290)x=11(291)x=4(292)x=8.5(293)x=21(294)x=2.9(295)x=78(296)x=8(297)x=5.4(298)x=2(299)x=9.7(300)x=47(301)x=42(302)x=3(303)x=8(304)x=4(305)x=3.4(306)x=20(307)x=0.5(308)x=8(309)x=3(310)x=1(311)x=6(312)x=0.9(313)x=4(314)x=2.5(315)x=2.9(316)x=18(317)x=0.2(318)x=6(319)x=3(320)x=184(321)x=1.2(322)x=8(323)x=16(324)x=3(325)x=4(326)x=9(327)x=12(328)x=3.2(329)x=4(330)x=0.8(331)x=98(332)x=9.8(333)x=16(334)x=64(335)x=15(336)x=29(337)x=1.2(338)x=27(339)x=2(340)x=40(341)x=24(342)x=0.3(343)x=7.5(344)x=0.2(345)x=29(346)x=30(347)x=42(348)x=0.5(349)x=7(350)x=5(351)x=1.4(352)x=7(353)x=0.6(354)x=3(355)x=4(356)x=23(357)x=16(358)x=153(359)x=1.2(360)x=10(361)x=18(362)x=4(363)x=7.7(364)x=4.8(365)x=19(366)x=7(367)x=55(368)x=175(369)x=1.7(370)x=61(371)x=39(372)x=92(373)x=2(374)x=7(375)x=6(376)x=7(377)x=14(378)x=0.7(379)x=0.2(380)x=2.4(381)x=54(382)x=28(383)x=17(384)x=14(385)x=1.2(386)x=11(387)x=10(388)x=0.4(389)x=35(390)x=6.6(391)x=11(392)x=91(393)x