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

五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案匯編(1)75+16x=155(2)4.6x-3.2x+0.2=26.8(3)21x+28=70(4)(0.7x+6.1)÷12=0.8(5)7÷x=1(6)1.2x-1x+3.2=19.8(7)18x+27=207(8)92x=184(9)19x-4x-41=34(10)56+x=76(11)7x÷4=4.9(12)(9x+22)÷2=29(13)6.2x+1.4x-1.1=21.7(14)0.2x-5.1=8.5(15)(2.9x+8.5)÷6=4.8(16)10(x-35)=120(17)x÷5=0.2(18)67x-38x-1=25.1(19)x-5.9=3.6(20)31x+28x+3=62(21)8x-4×1.7=2(22)18.1-0.3x=13.6(23)10x-16×9=16(24)0.3x÷90=0.2(25)(3x+27)÷36=2(26)10x-54=26(27)2x÷49=0.4(28)9.9x+4.1x+1.5=127.5(29)20x÷14=1(30)10.4+2.6x=15.6(31)8.2+2.2x=23.6(32)15x-6x-8=64(33)4+8x=14.4(34)15.3-3.4x=1.7(35)0.4x+1x-1=104(36)32+13x=188(37)4x÷12=12(38)2.2x+1.8×6=26.2(39)7.6x+2.1=17.3(40)7.4+35x=21.4(41)2.7x=5.4(42)4x+10×1.8=30(43)x÷4=40(44)9+2.7x=22.5(45)0.3x-0.5×14=4.1(46)18.1-33x=8.2(47)8.7x-0.7x-1=23(48)x+1.1=6.7(49)2(x+11)=26(50)2x+5x+21=154(51)2x=2.6(52)4.6+x=8.3(53)2(4.2x+5.5)=36.2(54)0.3x=12(55)3x÷9=16(56)3.3+x=4.9(57)8x-62×2=20(58)23x-22×0.2=2.5(59)x+2.5=11.2(60)45+x=69(61)0.3x+0.9×11=24(62)17.2+0.2x=19(63)95-x=51(64)(10x-34)÷49=4(65)x-21=56(66)2.8x+1.6x=118.8(67)x-32=27(68)(8x-24)÷8=24(69)82÷x=2(70)6x+5.4=18(71)17.5÷x=2.5(72)48-x=29(73)2x÷6=10(74)6.5x-5=14.5(75)4x-20×2=32(76)17x-12x+10=50(77)4.8+x=8.2(78)11x+18=205(79)0.9x+2.2x+4=22.6(80)9(6x-14)=198(81)(9.8x-9.4)÷6=6.6(82)x+85=136(83)95-12x=71(84)(5x-33)÷3=29(85)24x÷28=6(86)x-64=33(87)33x=19.8(88)9x+4x+25=116(89)(6.8x-7.1)÷3=13.5(90)14x+51=177(91)5.2x-1.1x=8.2(92)43x-2.1=10.8(93)x-1.3=3(94)8(0.4x+0.8)=44.8(95)12(0.2x-7.7)=22.8(96)8x-6x=42(97)150÷x=5(98)13.5-6x=2.1(99)17.9-1.8x=12.5(100)0.3x+5.9=12.2(101)2(3.3x-5.3)=35.6(102)5.7-1.2x=3.3(103)8x-2×0.6=14(104)10x-4×10=120(105)2x+5.6=13.2(106)2(2x+46)=152(107)2x-0.2×9=10.2(108)0.2x+5.2=16.4(109)6(3x-20)=78(110)(17x-39)÷6=2(111)(13x-23)÷16=1(112)0.5x÷6=3(113)8.5-x=6.5(114)0.7x-3=15.2(115)19x-7x+43=79(116)(19x-7)÷44=2(117)24+x=56(118)4x-20×3=104(119)18x÷9=0.8(120)19x-16x-9=15(121)2(0.6x+0.4)=50(122)2x+7×6=206(123)4x+13x+3.3=66.2(124)6x-1.4=11.8(125)x÷44=3(126)5.4+2x=21.6(127)6.1x=12.2(128)7x+44=149(129)15x+5x-18=222(130)8÷x=0.2(131)79x-70x+3.9=8.4(132)5x÷8=10(133)x+67=146(134)0.2x÷39=0.4(135)14.2-0.2x=10(136)3x+25×5=251(137)3x+79x+2.3=59.7(138)2.5x-0.5×3=3.5(139)5+x=36(140)10x+31×0.6=20.6(141)x-6.5=1.5(142)26+x=122(143)16(3x-2)=160(144)6.7x-2x=9.4(145)4.8+x=12.9(146)46x=13.8(147)8(5.4x-5.6)=41.6(148)183-13x=157(149)0.6x-3.1=4.1(150)5.5x+5.3x+1.2=184.8(151)8x-30×4=64(152)0.9+x=5.5(153)14x-12x=10(154)8.8x-4.6x+4.4=46.4(155)4x+2×40=256(156)5.6+x=8.9(157)4x+11x=210(158)2x÷4=46(159)9.7-x=3(160)18x-2x=160(161)7(6.1x-8.5)=25.9(162)7.6-x=1.7(163)3x+2x-28=187(164)4.6x=18.4(165)6.5-2x=3.9(166)180-47x=39(167)3x+6x+38=227(168)13x+17x+26=236(169)5x-3×2.9=7.8(170)50x-23=177(171)187+27x=376(172)3x-4.3=11.9(173)4(17x-10)=96(174)0.3x=17.1(175)12.6÷x=0.3(176)0.7x+1.5×13=29.3(177)7x+9x=64(178)9(5x+2)=198(179)(9.3x-8.1)÷3=3.5(180)x÷59=2(181)1.4x=2.8(182)8.4x-4.3x=28.7(183)14x-7x+34=76(184)10.2÷x=0.3(185)3x-2.5=11(186)6.5x+0.5x-4.7=9.3(187)4x=92(188)(1.5x+5.7)÷18=1.4(189)13x=182(190)4x÷7=1.6(191)7x+2×4.1=13.8(192)13x-9x+1.7=6.5(193)6.5+4x=12.1(194)0.4x÷44=0.3(195)15x-2x+4=95(196)14.3-3x=8.9(197)5.7x+3.1x=105.6(198)48-x=46(199)185÷x=37(200)6.1x+5.1=23.4(201)4x=17.6(202)2(1.9x+4.8)=32.4(203)2.5x-1.7x-1=25.4(204)80-14x=38(205)28x+36x-3.2=9.6(206)0.8x÷28=0.4(207)3x+3×10=216(208)19x-6x-14=103(209)3.6x-2.2x=11.2(210)6.6-x=2.2(211)(4.8x-8.2)÷2=31.9(212)x+66=156(213)6x+29=71(214)13+6.5x=32.5(215)16x-3x+2.7=13.1(216)x÷57=0.2(217)6.6-x=1.6(218)0.5x+1.3=7.3(219)2x=116(220)0.4x=4.4(221)15x-4x=121(222)2x+2.1=2.5(223)1.4x+3.5=16.1(224)78x+89x-0.7=82.8(225)(3.8x+4.2)÷2=11.6(226)26x-44×0.2=4.2(227)5.8+0.5x=22.3(228)x+6.9=11.5(229)5.7+x=12.7(230)6x+10×1.3=19(231)13x-11x=30(232)6x-2x-3=129(233)2x=7.6(234)x-1.8=6.3(235)71x+2x+4=62.4(236)18x+7x=125(237)40x-2.7=9.3(238)84x-75x+2.2=5.8(239)0.3x+1.1=18.2(240)2(0.2x+6.2)=16.8(241)7x+4x=77(242)4(0.8x+5.4)=44(243)x-1.2=5.6(244)48x=96(245)1.8x-1.3x+3=26.5(246)3x+5x=232(247)12x-7x=20(248)0.8x+3.9×2=18.2(249)26x=104(250)2.3x-0.4x-0.9=4.8(251)117+13x=273(252)x÷2=0.2(253)0.5x-1.2×8=2.4(254)39x-12=105(255)3.9x-0.4x-4.5=83(256)4x+1x-1.8=103.2(257)77+95x=267(258)0.3x÷18=0.7(259)3x-1.3=11.9(260)x-41=52(261)x÷38=0.4(262)(11x-9)÷20=10(263)(5.5x-9.9)÷38=2.2(264)1.2x+2x+1.6=72(265)134÷x=2(266)8x+13x-0.5=154.9(267)2.2x+3.1x-3.1=18.1(268)129-3x=48(269)2.4x+3.8x+2.7=132.9(270)2(4x-6)=164(271)50x+39x-3.1=121.5(272)(5.3x+1.9)÷37=2.2(273)36+x=88(274)3.3x-1.6x-3.1=41.1(275)33x+8×2.4=35.7(276)9x-8×1.3=8.5(277)3x÷36=5(278)97x-26x+3.2=17.4(279)(9x+47)÷7=35(280)0.6x-0.2x-1.1=32.5(281)2x+4.2=12.6(282)51x+20x+1.9=23.2(283)3.1x-1.8x+4.2=21.1(284)x+8.8=15.8(285)17.3+3x=18.5(286)6x+8x=182(287)2x+2.8=7.4(288)66x-30x-2.9=40.3(289)15+3x=207(290)12x=7.2(291)62-x=27(292)1.1x-0.3x-3=65(293)x÷4=33(294)14x-10x+17=41(295)141-45x=51(296)3x+3.4=9.4(297)84÷x=28(298)2x÷44=0.4(299)x+73=81(300)4x+2x-26=124(301)8x-3x-11=109(302)x-79=19(303)1.3x+3.3x+4.4=124(304)8x-1.3=17.9(305)3.9x-3.1x+2.6=9(306)53x+65x+4.5=169.7(307)142-2x=36(308)78-x=52(309)56x+49=217(310)140-57x=26(311)6x=150(312)2x-10=84(313)17.5-15x=13(314)3.8+x=13.7(315)x+20=54(316)(2x+14)÷5=12(317)2.7+0.6x=16.5(318)7.2x+2.3x=47.5(319)10+35x=17(320)85+x=122(321)(6.9x+3.5)÷19=2(322)140÷x=20(323)x-6.8=1.8(324)4x+6×4=36(325)69x÷23=0.6(326)3x+12x-19=56(327)10x+27×0.4=27.8(328)4.6x+0.4×33=31.6(329)x-0.9=1(330)x÷4=2.5(331)x-16=45(332)19x-10x=81(333)17x-9x+21=101(334)17x+3×3.4=22.1(335)8x-8×1.5=3.2(336)x÷9=9(337)56x+4.9=16.1(338)x+2.7=11.4(339)2(3x+37)=182(340)14+x=53(341)6x+2x+19=99(342)4.5x+1.3x=34.8(343)3.6x+6.6x-4.4=148.6(344)2(15x+43)=146(345)x+20=106(346)2(6.3x+8.5)=42.2(347)0.6x÷99=0.2(348)6.7+2x=7.1(349)(4.9x+1.5)÷18=0.9(350)x÷18=1(351)(13x+41)÷3=31(352)3.2x-0.2x=9(353)8x+17x-39=236(354)10x-10×6=100(355)32x=12.8(356)5.2x-1.9x+0.5=17(357)30x+32×0.4=21.8(358)59x-41x+3.7=28.9(359)3.8x=7.6(360)10.9+6x=16.3(361)2(0.8x-4.2)=42.8(362)13x-6x=105(363)3.6x-0.7x-4.2=36.4(364)7x=13.3(365)32x÷16=4(366)13x=5.2(367)19÷x=0.5(368)16-16x=12.8(369)11x-9x=10(370)164-2x=24(371)3.9+0.3x=15.9(372)x÷2=31(373)7.2x÷3=4.8(374)40x=120(375)4x+8x=120(376)(3x+36)÷5=24(377)0.2x+1.3×11=17.1(378)6.7x+9.7x=147.6(379)5(x+7)=105(380)57x-23x+3.8=34.4(381)4.1x-1.5=6.7(382)74x-49x-3.3=14.2(383)21x-6×0.7=2.1(384)0.6x+5.2x-0.5=63.3(385)17.6-2.9x=8.9(386)x-1.5=6.1(387)4x+10x+29=99(388)9.3-x=6(389)37x+47=121(390)67-x=59(391)3x÷21=2(392)x+65=95(393)11(0.7x-8.2)=40.7(394)6(0.4x-6.8)=9.6(395)0.5x+1.4x-1.9=55.1(396)2x+9x+43=153(397)77+4x=229(398)x+76=168(399)x÷3=1.5(400)2x=52(401)6(x-27)=102(402)0.2x-1.5=4.1(403)3.4x+2.8x=49.6(404)0.8x+1.4×9=14.2(405)3(5x+20)=165(406)9.4-4x=1.4(407)x+1.7=4.1(408)6.2x+9.1x=137.7(409)88x+81x-1.8=184.1(410)8x-2.4=4.8(411)10x+18x-28=28(412)(5.7x+3.6)÷3=27.8(413)6x+23x+2.6=95.4(414)1.7x-2.1×7=2.3(415)0.9x-1.5×3=9.9(416)2.7x=18.9(417)67x-58x+3.7=16.3(418)2.1x-0.2×13=10(419)89x+88x+4.1=92.6(420)0.2x+1.3=16.5(421)2(4.1x-1.1)=22.4(422)2x-2.3=15.1(423)2.3x-3.4=8.1(424)9.2x+6.8x-0.2=127.8(425)6÷x=0.4(426)0.2x+6.9x=99.4(427)x-24=60(428)x÷7=19(429)36x+80x+4.3=108.7(430)28x÷35=0.4(431)56+17x=141(432)x-43=28(433)16x+2x-3=177(434)16x-3x-1.4=41.5(435)9(0.5x-0.9)=14.4(436)4.5x-1x+2.7=48.2(437)(6.3x+4.5)÷9=9.6(438)x+6.7=14.8(439)32+63x=221(440)(1.6x-4.6)÷25=0.2(441)2(0.3x+0.8)=20.8(442)7x+4×17=110(443)14x-10x+12=32(444)(3.7x-9.1)÷16=2.9(445)0.9x+1.8×5=18(446)x+4=79(447)4.9x-2.9x=36(448)90x-50x+1=33(449)5x-7×10=110(450)6.1-x=3.5(451)3x-27=141(452)4x÷6=2.4(453)35x+11x-2.2=11.6(454)5x+7x-4.8=43.2(455)(4x-5)÷15=1(456)81÷x=3(457)8x-21×0.2=6.2(458)66x-4x-1.5=17.1(459)4.4+x=7.1(460)x÷2=49(461)1.6x+0.6x+2=103.2(462)28x-57=83(463)12x+10x=176(464)0.6x-4.1=3.1(465)1.2x+0.3x+4.5=21(466)(6x-39)÷9=3(467)19x+14x=132(468)x÷77=0.2(469)16.8-6x=10.2(470)6x+4×22=190(471)71x-36x-2.5=8(472)12.9-2x=7.7(473)3.3x-0.3x-4.3=58.7(474)18x-14x+36=64(475)3(2x+16)=174(476)3x+1.7=10.1(477)19x-44=32(478)36-x=22(479)13x-5x-15=105(480)7.3+2x=9.7(481)x-4=1.8(482)(5x+40)÷15=11(483)5x+1=16.5(484)92x-61x-4.6=20.2(485)19x+13x+48=176(486)(3.2x-5)÷2=19.9(487)8x+10x=216(488)15x+7x-36=162(489)37x-21=127(490)8.3x-6.8x=13.5(491)9.2x-4.6x+2=38.8(492)20-x=14(493)9x+7x-17=255(494)78-x=13(495)9.8-0.9x=1.7(496)4.6x+2.1x+4=91.1(497)28x-8x-0.2=45.8(498)9(x-16)=90(499)5.6-x=1.2(500)3.1-x=1.3(501)14x-3×24=96(502)0.5x-5.8=13.2(503)(12x+29)÷23=7(504)11(x+5)=99(505)94x-76x-4.6=13.4(506)2.9x+5.5=22.9(507)18x-2x-42=102(508)x+5.3=5.9(509)7.8x-0.4x=66.6(510)2x+4×2.4=16.8(511)25x+50x-2.2=147.8(512)24x+10×13=202(513)2x+22=150(514)(3x+48)÷6=18(515)1.5x-1.3×4=2.3(516)34x-13=123(517)162÷x=3(518)(2.7x-0.9)÷29=0.9(519)9x-1.8x=50.4(520)6x+10x+18=322(521)3x+22×9=378(522)1.1x+1.2×13=32.1(523)16.9-0.2x=10.9(524)18x-8x-11=89(525)141÷x=3(526)0.9x-0.4×20=6.4(527)1.5x÷5=2.7(528)12x+10x-1.8=145.6(529)15.4÷x=0.7(530)x+1.7=6.4(531)4x-2x+22=50(532)4.5÷x=0.9(533)x÷62=0.2(534)20(0.4x+0.3)=30(535)11.7-53x=1.1(536)x-43=48(537)18(2x-35)=198(538)x÷5=13(539)14.4+1.2x=20.4(540)93+x=148參考答案(1)x=5(2)x=19(3)x=2(4)x=5(5)x=7(6)x=83(7)x=10(8)x=2(9)x=5(10)x=20(11)x=2.8(12)x=4(13)x=3(14)x=68(15)x=7(16)x=47(17)x=1(18)x=0.9(19)x=9.5(20)x=1(21)x=1.1(22)x=15(23)x=16(24)x=60(25)x=15(26)x=8(27)x=9.8(28)x=9(29)x=0.7(30)x=2(31)x=7(32)x=8(33)x=1.3(34)x=4(35)x=75(36)x=12(37)x=36(38)x=7(39)x=2(40)x=0.4(41)x=2(42)x=3(43)x=160(44)x=5(45)x=37(46)x=0.3(47)x=3(48)x=5.6(49)x=2(50)x=19(51)x=1.3(52)x=3.7(53)x=3(54)x=40(55)x=48(56)x=1.6(57)x=18(58)x=0.3(59)x=8.7(60)x=24(61)x=47(62)x=9(63)x=44(64)x=23(65)x=77(66)x=27(67)x=59(68)x=27(69)x=41(70)x=2.1(71)x=7(72)x=19(73)x=30(74)x=3(75)x=18(76)x=8(77)x=3.4(78)x=17(79)x=6(80)x=6(81)x=5(82)x=51(83)x=2(84)x=24(85)x=7(86)x=97(87)x=0.6(88)x=7(89)x=7(90)x=9(91)x=2(92)x=0.3(93)x=4.3(94)x=12(95)x=48(96)x=21(97)x=30(98)x=1.9(99)x=3(100)x=21(101)x=7(102)x=2(103)x=1.9(104)x=16(105)x=3.8(106)x=15(107)x=6(108)x=56(109)x=11(110)x=3(111)x=3(112)x=36(113)x=2(114)x=26(115)x=3(116)x=5(117)x=32(118)x=41(119)x=0.4(120)x=8(121)x=41(122)x=82(123)x=3.7(124)x=2.2(125)x=132(126)x=8.1(127)x=2(128)x=15(129)x=12(130)x=40(131)x=0.5(132)x=16(133)x=79(134)x=78(135)x=21(136)x=42(137)x=0.7(138)x=2(139)x=31(140)x=0.2(141)x=8(142)x=96(143)x=4(144)x=2(145)x=8.1(146)x=0.3(147)x=2(148)x=2(149)x=12(150)x=17(151)x=23(152)x=4.6(153)x=5(154)x=10(155)x=44(156)x=3.3(157)x=14(158)x=92(159)x=6.7(160)x=10(161)x=2(162)x=5.9(163)x=43(164)x=4(165)x=1.3(166)x=3(167)x=21(168)x=7(169)x=3.3(170)x=4(171)x=7(172)x=5.4(173)x=2(174)x=57(175)x=42(176)x=14(177)x=4(178)x=4(179)x=2(180)x=118(181)x=2(182)x=7(183)x=6(184)x=34(185)x=4.5(186)x=2(187)x=23(188)x=13(189)x=14(190)x=2.8(191)x=0.8(192)x=1.2(193)x=1.4(194)x=33(195)x=7(196)x=1.8(197)x=12(198)x=2(199)x=5(200)x=3(201)x=4.4(202)x=6(203)x=33(204)x=3(205)x=0.2(206)x=14(207)x=62(208)x=9(209)x=8(210)x=4.4(211)x=15(212)x=90(213)x=7(214)x=3(215)x=0.8(216)x=11.4(217)x=5(218)x=12(219)x=58(220)x=11(221)x=11(222)x=0.2(223)x=9(224)x=0.5(225)x=5(226)x=0.5(227)x=33(228)x=4.6(229)x=7(230)x=1(231)x=15(232)x=33(233)x=3.8(234)x=8.1(235)x=0.8(236)x=5(237)x=0.3(238)x=0.4(239)x=57(240)x=11(241)x=7(242)x=7(243)x=6.8(244)x=2(245)x=47(246)x=29(247)x=4(248)x=13(249)x=4(250)x=3(251)x=12(252)x=0.4(253)x=24(254)x=3(255)x=25(256)x=21(257)x=2(258)x=42(259)x=4.4(260)x=93(261)x=15.2(262)x=19(263)x=17(264)x=22(265)x=67(266)x=7.4(267)x=4(268)x=27(269)x=21(270)x=22(271)x=1.4(272)x=15(273)x=52(274)x=26(275)x=0.5(276)x=2.1(277)x=60(278)x=0.2(279)x=22(280)x=84(281)x=4.2(282)x=0.3(283)x=13(284)x=7(285)x=0.4(286)x=13(287)x=2.3(288)x=1.2(289)x=64(290)x=0.6(291)x=35(292)x=85(293)x=132(294)x=6(295)x=2(296)x=2(297)x=3(298)x=8.8(299)x=8(300)x=25(301)x=24(302)x=98(303)x=26(304)x=2.4(305)x=8(306)x=1.4(307)x=53(308)x=26(309)x=3(310)x=2(311)x=25(312)x=47(313)x=0.3(314)x=9.9(315)x=34(316)x=23(317)x=23(318)x=5(319)x=0.2(320)x=37(321)x=5(322)x=7(323)x=8.6(324)x=3(325)x=0.2(326)x=5(327)x=1.7(328)x=4(329)x=1.9(330)x=10(331)x=61(332)x=9(333)x=10(334)x=0.7(335)x=1.9(336)x=81(337)x=0.2(338)x=8.7(339)x=18(340)x=39(341)x=10(342)x=6(343)x=15(344)x=2(345)x=86(346)x=2(347)x=33(348)x=0.2(349)x=3(350)x=18(351)x=4(352)x=3(353)x=11(354)x=16(355)x=0.4(356)x=5(357)x=0.3(358)x=1.4(359)x=2(360)x=0.9(361)x=32(362)x=15(363)x=14(364)x=1.9(365)x=2(366)x=0.4(367)x=38(368)x=0.2(369)x=5(370)x=70(371)x=40(372)x=62(373)x=2(374)x=3(375)x=10(376)x=28(377)x=14(378)x=9(379)x=14(380)x=0.9(381)x=2(382)x=0.7(383)x=0.3(384)x=11(385)x=3(386)x=7.6(387)x=5(388)x=3.3(389)x=2(390)x=8(391)x=14(392)x=30(393)x=17(394)