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)0.6x÷12=0.4(2)2.9+x=6(3)x+93=130(4)28x+29x-3.3=42.3(5)x-4=31(6)5x+3×3=14.5(7)18.9-44x=5.7(8)0.4x-0.2×25=7.8(9)12x+26x+3.7=75.9(10)15-x=11(11)3.7-9x=1(12)2(9x+13)=152(13)8x+36×0.2=24.8(14)x÷10=1.1(15)93x+91x+3.1=168.7(16)4x+23×4=212(17)1.8x=16.2(18)19.6-0.2x=18.2(19)7x-3x=36(20)16.5÷x=0.5(21)7.8x-6.1x=8.5(22)6x+14x-7=93(23)12.6-19x=8.8(24)7.2x-4.9x+0.9=10.1(25)9x+3.3=6(26)1.5x-1x+0.9=25.9(27)x-4=28(28)14.1+1.4x=25.3(29)12.6÷x=0.3(30)29x+3.4=15(31)13x-10x+13=58(32)175-16x=79(33)6x-3x+47=122(34)6x+1=9.4(35)25x-59=16(36)3.6x=7.2(37)0.3x+1.2x-3.6=5.4(38)11x-4x+48=62(39)3(7x+20)=123(40)47x+41x+3.1=170.3(41)11.2÷x=1.6(42)19.6-11x=10.8(43)9x+2.4=16.8(44)0.4x+3.4=20.2(45)x÷9=1.5(46)7.2x-3.3x=11.7(47)3.4x-2.1x+3.7=20.6(48)7x+9x=320(49)7.8-x=3(50)x-39=22(51)97x-85x-2.5=5.9(52)48x÷96=2(53)10x+5x+6=96(54)32x-45=147(55)0.5x÷35=0.2(56)5(19x-42)=170(57)31x+36×0.2=25.8(58)8.9-0.2x=2.7(59)3(1.2x-6.9)=47.7(60)x+74=87(61)16x-9x+29=71(62)4(2x+17)=116(63)x-53=20(64)9.5x+0.5x=70(65)61x-25=158(66)12x÷64=0.3(67)5.1x-0.7x-0.5=34.7(68)9.5-0.2x=2.7(69)94x-43=145(70)28x÷24=7(71)x-5.9=3.3(72)x÷8=9(73)(1.3x+7.5)÷5=5.4(74)x+0.2=5.1(75)x+45=128(76)x-58=14(77)3.5-x=2.2(78)27x-33×0.2=1.5(79)46+x=71(80)3.2+16x=17.6(81)12+2x=112(82)10x÷20=4(83)1.3x+7.5x+1=27.4(84)15x+4x-14=100(85)3x-1=2.6(86)6.8x=13.6(87)72x÷8=1.8(88)13x-11x-9=15(89)x÷76=0.2(90)10x+12x+17=193(91)144÷x=9(92)8.4x-7.3x-0.2=8.6(93)7.6x+9x=99.6(94)5x+2x=231(95)2.6x-1.7x+4.8=7.5(96)6.5+x=10.1(97)13(0.3x+1.5)=39(98)16.2÷x=0.9(99)4.8-x=1.2(100)2.4x-0.2x+3.1=82.3(101)62x-44x-2.6=15.4(102)25x+28x-4.9=5.7(103)74-x=44(104)3.7+0.2x=15.9(105)16.6-14x=11(106)10.8-2.8x=5.2(107)2.4+x=11.1(108)11x=198(109)41x=16.4(110)3.7x-1.2x=20(111)10.9+2x=14.5(112)(9.2x-1.4)÷5=12.6(113)141-2x=35(114)9.3-x=1.3(115)4.5x+4.4x=142.4(116)9(2.6x-7.5)=26.1(117)2.4x-1.4x=12(118)32x÷2=48(119)(6.6x-9)÷4=15.9(120)(8x-48)÷8=16(121)6x+59=83(122)0.6x+5.4=9(123)41-4x=33(124)2(2.8x+5.5)=22.2(125)15.5-48x=5.9(126)8x+2x+31=151(127)2x-38=40(128)3.4x-1.2x-3.6=11.8(129)41x+35x-4.7=33.3(130)0.5x-3.4=15.1(131)11x+11=55(132)2(7x-26)=130(133)62x-49x-2.7=3.8(134)7+x=16(135)4(3x+6.1)=48.4(136)16x+56=152(137)2+x=8.1(138)138+3x=180(139)x÷13=15(140)5(0.3x-2)=41(141)x-1.4=1.9(142)1.9x+1×16=25.5(143)x÷4=19(144)5.8x-3.1x=35.1(145)2x+2.4x-2=116.8(146)6.1-x=5.7(147)(15x+45)÷5=18(148)18-0.3x=3.6(149)1.3+0.9x=6.7(150)1.7x÷5=3.4(151)61+5x=221(152)5.5x+8.6x-3.9=38.4(153)10x-5x=85(154)17.9+1x=29.9(155)31x+49x-1.2=54.8(156)(0.9x-0.4)÷8=0.4(157)0.5x+4.6=19.1(158)x-60=30(159)75-x=30(160)4x-0.3×24=12.8(161)53x-11x-4.6=24.8(162)11x-2x+27=180(163)3(6x-23)=57(164)14.4÷x=3.6(165)95+x=151(166)4x-11×2=38(167)16x-8×5=72(168)5.2x-3.8x+4.2=19.6(169)3.8x+4.2x=32(170)18.6-17x=11.8(171)16x÷12=8(172)(3.6x-9)÷6=6.3(173)17x+11×5=140(174)165-3x=69(175)8.1x+8.8x+1.5=136.7(176)7.4+x=14(177)3x÷5=1.2(178)179+2x=223(179)1.4x-1.9×4=2.2(180)9.5x+5.6=24.6(181)1.7+x=5(182)61-x=58(183)56÷x=14(184)53x-7x+4.8=83(185)74x+64x-4=175.4(186)x÷20=0.4(187)3.9+1.5x=11.4(188)4x+4×30=272(189)9.7x-1.7=17.7(190)128+34x=264(191)7x+11x+36=90(192)3x+32×4=281(193)x-60=21(194)9.8x-6.9x-3.6=8(195)4.1x-1.8x-1.7=21.3(196)54x-2=8.8(197)(14x-18)÷2=68(198)2x+11x+24=128(199)4x=196(200)0.8x=20(201)13.9-0.6x=6.1(202)2.4+17x=10.9(203)80x+36x-3.2=112.8(204)44x-58=118(205)6x+6.2x-4.2=142.2(206)4x+5x-23=121(207)42x-4×1.1=12.4(208)52x÷8=13(209)25x-5.1=14.9(210)5x-4×0.5=12(211)2.8x+0.2×21=18.2(212)2.4x-0.7×15=3.9(213)x+82=105(214)(8x+27)÷5=23(215)33x-18x+3.7=39.7(216)19x-7x-37=35(217)11x=11(218)64-x=38(219)2.5x-4.1=5.9(220)4x+4×1.2=7.6(221)58+x=75(222)18x-7x+44=110(223)x÷37=5(224)4.1+1.3x=21(225)28x-10x+0.2=34.4(226)x-3.5=4.7(227)(3x+4)÷2=44(228)8x+49=129(229)x÷25=5(230)46x+57x+2.4=95.1(231)6x+4×26=134(232)x-2.4=2(233)8x-57=103(234)x+37=104(235)7.2÷x=0.2(236)x÷2=18(237)x+9.4=10.8(238)9.8x-5.7x+1.1=29.8(239)2x+34×4=146(240)14x-5x=81(241)0.5x+0.9×13=20.7(242)12x+2x+46=144(243)4x-23=145(244)2(6x+25)=194(245)2(5.6x-9.5)=25.8(246)4x-9×0.8=1.6(247)2.3x+1.7=6.3(248)19x+9x-41=239(249)12x÷33=0.4(250)17x=119(251)169-3x=31(252)69-x=26(253)7.7-x=1.6(254)29x-25x+3.4=9.8(255)(7x-7)÷3=21(256)42+x=80(257)0.6x=16.2(258)12x-7x=80(259)18(x-16)=180(260)11x+9x=60(261)4x-5.3=2.3(262)9.2+x=16.7(263)5x+2.7x=53.9(264)6x÷26=0.3(265)30÷x=6(266)2(22x+7)=190(267)x+3.9=6.1(268)52x-9x-4.3=73.1(269)5x-2.4x-3.1=33.3(270)(2.8x+4.8)÷32=0.5(271)2(x+10)=88(272)14x+5.3=13.7(273)4x+7x-31=112(274)143+55x=253(275)15x-8x-19=16(276)x-0.3=9.6(277)1x÷65=0.2(278)x÷22=0.3(279)0.2x+3.8=10.8(280)75x=150(281)3(0.6x-4)=6(282)15(0.7x+0.6)=40.5(283)16x-3×39=43(284)17.2+5x=19.7(285)5(0.6x-0.5)=33.5(286)x+9.2=10.7(287)(5x+23)÷3=21(288)0.4x+4.3x-3.7=95(289)2(2x+35)=106(290)0.7x÷49=0.2(291)6(0.9x-9)=16.2(292)7x+4x-41=146(293)18x-2x+0.3=33.9(294)8.5÷x=1.7(295)(3x-46)÷2=10(296)2.6x-0.5×20=8.2(297)x-1.9=4.6(298)3x+7x+39=169(299)(16x+22)÷2=59(300)33x-20×0.4=8.5(301)25x+26=176(302)(8x-47)÷27=3(303)11x+19x=270(304)18.1-1.6x=8.5(305)13.2-27x=2.4(306)(13x-18)÷2=95(307)62÷x=31(308)6x+32x+1.2=69.6(309)7.1-x=3.1(310)19.6+5.8x=37(311)11x-22×2=11(312)43x+65x-1.7=160.3(313)7x-2x-23=102(314)0.4x-1.1=14.5(315)8.5x+8.1x+3.8=169.8(316)22x-7×4=126(317)4x+5x+10=289(318)x+23=85(319)8(5x-25)=120(320)4x+9×1.7=28.1(321)(8.4x+1)÷11=6.2(322)x+70=147(323)3(0.3x+8.3)=37.5(324)(9.7x-1.5)÷2=13.8(325)0.3x+2.6×5=20.8(326)7.1x-5.4x-0.7=12.9(327)17(13x-29)=170(328)1.9x-0.3x-3.3=51.1(329)2(6x+33)=90(330)(x+33)÷11=5(331)2x÷9=1.2(332)9.3x-1.2x=24.3(333)2x+3.2=20.8(334)2(7x-20)=86(335)14x+11x-24=101(336)4.5x+3.9x-4.1=147.1(337)11x-9x+18=44(338)4x+14x-1.9=100.7(339)19x-6x-3=23(340)x+3.4=4(341)29x+27=201(342)17.9-0.2x=9.3(343)2x-38×2=88(344)3.8x+2.9x=160.8(345)89+x=97(346)x÷6=0.8(347)33+2x=57(348)31x-19x+2.3=10.7(349)6x=18.6(350)9x+59=176(351)x+7.4=9.7(352)2x=4.8(353)(9x+49)÷8=14(354)0.9x+6.8x-1.1=37.4(355)16x-24×0.5=5.6(356)5x+8x=325(357)14x-9x-3=27(358)26x+23x-0.4=97.6(359)25x+15=190(360)75x-35x-2=10(361)x÷12=0.5(362)123-8x=43(363)x-0.8=3.1(364)10÷x=5(365)46-x=16(366)83x-74x+3.8=13.7(367)2.2x+5.4x+0.7=76.7(368)8x-30×0.2=2.8(369)x+3.3=11.4(370)(9.4x+7)÷6=9(371)4x-2x=68(372)0.9x-0.2×10=5.2(373)58-8x=18(374)116+49x=312(375)88x-13x+3=63(376)25x=75(377)3.5x+4.8x=83(378)2.1÷x=0.7(379)0.2x-4.1=8.9(380)66x-3.3=16.5(381)8x+7x=240(382)4.8-x=1(383)7x-3x=72(384)23x+3×2.5=21.3(385)5x+7.5x+4.6=29.6(386)4x+6x+1.8=79.8(387)8x+8×0.6=18.4(388)21x-2.9=5.5(389)30x=120(390)0.2x÷6=3(391)149-4x=109(392)1.5x=19.5(393)3x-14×8=23(394)(4.7x-7.8)÷15=2.3(395)45x-33x+0.3=9.9(396)6.6÷x=2.2(397)5.5x=16.5(398)18.7+2x=36.3(399)7(1.4x-3.3)=45.5(400)156÷x=2(401)x+1.8=5.2(402)x-6.2=2.7(403)11x-7×1.5=4.9(404)45x÷30=0.3(405)(17x-19)÷3=56(406)2.4x-0.4x=42(407)4x-2×55=22(408)8.9+1.3x=20.6(409)2.1x+1.7x+4.3=34.7(410)3x+2x-29=176(411)10x-1=5(412)112÷x=28(413)(8x+4)÷5=36(414)18x=72(415)2(11x-42)=70(416)3.9x+3.6x+3.5=123.5(417)32x-26x-3.7=8.9(418)4x=10.8(419)3(3.6x+2.5)=29.1(420)16x+2.9=6.1(421)1.4x-5.3=10.1(422)36x+4.7=19.1(423)1.9x-1.2x=14(424)28x+6×1.8=27.6(425)(8.4x+4.2)÷2=23.1(426)108÷x=6(427)130+3x=274(428)x-46=28(429)14x-2x+6=126(430)7x-4x=24(431)8.4x+6.3x=117.6(432)0.6x÷9=2(433)26x÷52=2(434)12(13x-36)=192(435)0.6x÷2=3.9(436)40x+6x+3=35.2(437)7x-5×10=76(438)3.4+x=13.1(439)1.1x+5.2=17.3(440)6.8x-0.8x+4=88(441)2.6x-1.8x-2.6=9.4(442)2x=14.4(443)0.4x=15.6(444)7+10x=24(445)12x-37×0.2=5.8(446)17.7-5x=2.7(447)2.4x-0.8x+1.3=9.3(448)14.1-0.5x=9.1(449)x+8.3=10.7(450)0.2x+0.2×33=12(451)43x+54x+4.4=52.9(452)9.4-x=8.4(453)3x+1.3×2=8.6(454)2.2x÷66=0.2(455)x-15=47(456)2x+5.1=24.5(457)176-2x=126(458)62+x=121(459)2.2x+3=11.8(460)x÷22=4(461)7x=12.6(462)(4.9x-2.3)÷18=4.5(463)(7x-0.9)÷3=20.7(464)2.3x+0.3x+0.7=55.3(465)(0.9x+7.5)÷7=3(466)(5x-3)÷12=6(467)10x+9x=361(468)0.5x-5.3=10.2(469)(3x+34)÷25=4(470)34x-26x-1.8=10.2(471)11.9+9x=25.4(472)(3.5x+4.2)÷18=1.4(473)29+x=97(474)x÷6=24(475)(4.8x+9.6)÷13=4.8(476)24x+14x+1.3=134.3(477)0.4x+3.8=21.4(478)1.1x-0.2×7=1.9(479)x÷62=0.2(480)1.7x-2.7×4=2.8(481)3x=13.8(482)4.9x+0.5x+1.6=34(483)2x+5×33=223(484)5x-1.7=13.3(485)1.4x+0.4×46=29.6(486)16x-3.4=11(487)0.5+x=10.3(488)20x÷14=10(489)54-x=40(490)2(1.3x-8.9)=31.6(491)(7.7x+6)÷12=8.2(492)15.1+6x=16.9(493)0.3x+0.8x-2.9=14.7(494)5x-2x-33=60(495)6x+11x+21=157(496)(6x-20)÷16=1(497)12x-9x=15(498)38-x=13(499)x÷3=1.5(500)6x+17x-14=170(501)(7.1x-5.9)÷11=1.4(502)9.9+20x=29.9(503)3x+6×28=336(504)16x+14x=60(505)2(1.9x+0.8)=39.6(506)x÷9=5(507)22x=132(508)0.9x=6.3(509)0.5x-3.2=3.8(510)x+68=142(511)21x-30=75(512)9x+17x=104(513)8(2.5x+0.9)=47.2(514)8x=4(515)4x+2×2.3=10.6(516)6.3x+0.8x=35.5(517)18(0.4x+0.4)=28.8(518)25x+55×2=285(519)6x÷15=0.2(520)2(2x+40)=96(521)x-5.7=3.5(522)16x-9x=14(523)5x÷10=0.4(524)33x-9x-1.9=2.9(525)0.2x+1×6=10.4(526)6x+3.2x-3.8=23.8(527)3.8x-1x=33.6(528)6.3+9.5x=25.3(529)196÷x=28(530)83x+55=221(531)x+93=177(532)14x-7x+34=55(533)0.5x+0.2×5=9.5(534)5x-3x-36=26(535)15x-5x-42=88(536)2x-5.1=5.9(537)9x=36(538)2.5x-0.6×13=12.2(539)48x÷32=6(540)2+x=101參考答案(1)x=8(2)x=3.1(3)x=37(4)x=0.8(5)x=35(6)x=1.1(7)x=0.3(8)x=32(9)x=1.9(10)x=4(11)x=0.3(12)x=7(13)x=2.2(14)x=11(15)x=0.9(16)x=30(17)x=9(18)x=7(19)x=9(20)x=33(21)x=5(22)x=5(23)x=0.2(24)x=4(25)x=0.3(26)x=50(27)x=32(28)x=8(29)x=42(30)x=0.4(31)x=15(32)x=6(33)x=25(34)x=1.4(35)x=3(36)x=2(37)x=6(38)x=2(39)x=3(40)x=1.9(41)x=7(42)x=0.8(43)x=1.6(44)x=42(45)x=13.5(46)x=3(47)x=13(48)x=20(49)x=4.8(50)x=61(51)x=0.7(52)x=4(53)x=6(54)x=6(55)x=14(56)x=4(57)x=0.6(58)x=31(59)x=19(60)x=13(61)x=6(62)x=6(63)x=73(64)x=7(65)x=3(66)x=1.6(67)x=8(68)x=34(69)x=2(70)x=6(71)x=9.2(72)x=72(73)x=15(74)x=4.9(75)x=83(76)x=72(77)x=1.3(78)x=0.3(79)x=25(80)x=0.9(81)x=50(82)x=8(83)x=3(84)x=6(85)x=1.2(86)x=2(87)x=0.2(88)x=12(89)x=15.2(90)x=8(91)x=16(92)x=8(93)x=6(94)x=33(95)x=3(96)x=3.6(97)x=5(98)x=18(99)x=3.6(100)x=36(101)x=1(102)x=0.2(103)x=30(104)x=61(105)x=0.4(106)x=2(107)x=8.7(108)x=18(109)x=0.4(110)x=8(111)x=1.8(112)x=7(113)x=53(114)x=8(115)x=16(116)x=4(117)x=12(118)x=3(119)x=11(120)x=22(121)x=4(122)x=6(123)x=2(124)x=2(125)x=0.2(126)x=12(127)x=39(128)x=7(129)x=0.5(130)x=37(131)x=4(132)x=13(133)x=0.5(134)x=9(135)x=2(136)x=6(137)x=6.1(138)x=14(139)x=195(140)x=34(141)x=3.3(142)x=5(143)x=76(144)x=13(145)x=27(146)x=0.4(147)x=3(148)x=48(149)x=6(150)x=10(151)x=32(152)x=3(153)x=17(154)x=12(155)x=0.7(156)x=4(157)x=29(158)x=90(159)x=45(160)x=5(161)x=0.7(162)x=17(163)x=7(164)x=4(165)x=56(166)x=15(167)x=7(168)x=11(169)x=4(170)x=0.4(171)x=6(172)x=13(173)x=5(174)x=32(175)x=8(176)x=6.6(177)x=2(178)x=22(179)x=7(180)x=2(181)x=3.3(182)x=3(183)x=4(184)x=1.7(185)x=1.3(186)x=8(187)x=5(188)x=38(189)x=2(190)x=4(191)x=3(192)x=51(193)x=81(194)x=4(195)x=10(196)x=0.2(197)x=11(198)x=8(199)x=49(200)x=25(201)x=13(202)x=0.5(203)x=1(204)x=4(205)x=12(206)x=16(207)x=0.4(208)x=2(209)x=0.8(210)x=2.8(211)x=5(212)x=6(213)x=23(214)x=11(215)x=2.4(216)x=6(217)x=1(218)x=26(219)x=4(220)x=0.7(221)x=17(222)x=6(223)x=185(224)x=13(225)x=1.9(226)x=8.2(227)x=28(228)x=10(229)x=125(230)x=0.9(231)x=5(232)x=4.4(233)x=20(234)x=67(235)x=36(236)x=36(237)x=1.4(238)x=7(239)x=5(240)x=9(241)x=18(242)x=7(243)x=42(244)x=12(245)x=4(246)x=2.2(247)x=2(248)x=10(249)x=1.1(250)x=7(251)x=46(252)x=43(253)x=6.1(254)x=1.6(255)x=10(256)x=38(257)x=27(258)x=16(259)x=26(260)x=3(261)x=1.9(262)x=7.5(263)x=7(264)x=1.3(265)x=5(266)x=4(267)x=2.2(268)x=1.8(269)x=14(270)x=4(271)x=34(272)x=0.6(273)x=13(274)x=2(275)x=5(276)x=9.9(277)x=13(278)x=6.6(279)x=35(280)x=2(281)x=10(282)x=3(283)x=10(284)x=0.5(285)x=12(286)x=1.5(287)x=8(288)x=21(289)x=9(290)x=14(291)x=13(292)x=17(293)x=2.1(294)x=5(295)x=22(296)x=7(297)x=6.5(298)x=13(299)x=6(300)x=0.5(301)x=6(302)x=16(303)x=9(304)x=6(305)x=0.4(306)x=16(307)x=2(308)x=1.8(309)x=4(310)x=3(311)x=5(312)x=1.5(313)x=25(314)x=39(315)x=10(316)x=7(317)x=31(318)x=62(319)x=8(320)x=3.2(321)x=8(322)x=77(323)x=14(324)x=3(325)x=26(326)x=8(327)x=3(328)x=34(329)x=2(330)x=22(331)x=5.4(332)x=3(333)x=8.8(334)x=9(335)x=5(336)x=18(337)x=13(338)x=5.7(339)x=2(340)x=0.6(341)x=6(342)x=43(343)x=82(344)x=24(345)x=8(346)x=4.8(347)x=12(348)x=0.7(349)x=3.1(350)x=13(351)x=2.3(352)x=2.4(353)x=7(354)x=5(355)x=1.1(356)x=25(357)x=6(358)x=2(359)x=7(360)x=0.3(361)x=6(362)x=10(363)x=3.9(364)x=2(365)x=30(366)x=1.1(367)x=10(368)x=1.1(369)x=8.1(370)x=5(371)x=34(372)x=8(373)x=5(374)x=4(375)x=0.8(376)x=3(377)x=10(378)x=3(379)x=65(380)x=0.3(381)x=16(382)x=3.8(383)x=18(384)x=0.6(385)x=2(386)x=7.8(387)x=1.7(388)x=0.4(389)x=4(390)x=90(391)x=10(392)x=13(393)x=45