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)10.9-0.3x=6.1(2)3(0.2x+1.4)=6.6(3)0.8x+5=15.4(4)(9x+33)÷5=57(5)5.1+x=10.5(6)41x+29x-0.7=27.3(7)7.1x-2.7x-2=37.6(8)5.4x+1.2x-1.3=38.3(9)x-28=69(10)(4x-4)÷22=2(11)2x+23=97(12)72÷x=36(13)87-x=74(14)2x+57=215(15)0.6x+2.5x=52.7(16)142-15x=67(17)34x+41=143(18)x÷21=0.6(19)x+16=41(20)2.5x÷50=0.2(21)(7x-35)÷9=14(22)0.4x+5.4=25(23)x+3.2=10.8(24)195-30x=45(25)(2.3x+8.4)÷30=1.2(26)12x÷8=2.1(27)5x-68×2=59(28)27+2x=35(29)40x+1.3=17.3(30)6.1x-1.2x=24.5(31)x÷25=0.6(32)3x+28x+4.9=23.5(33)2(10x-17)=106(34)4x-4.4=1.2(35)3x+3.5=11.9(36)90x-15x+1.8=69.3(37)5x+6x=308(38)4.3+5.1x=19.6(39)4.8x+7.6x=161.2(40)24x+3×3.7=27.9(41)x+2.7=12.2(42)3.5+4x=9.9(43)4(0.3x+4.9)=47.2(44)48-x=41(45)9.4x-6.8x-1.1=24.9(46)9.7-3x=4.3(47)17x-7x-35=25(48)(5.1x-7.7)÷2=44.6(49)9x÷8=18(50)7.8+15x=12.3(51)4x+11x+26=221(52)16x=19.2(53)2x÷4=1.6(54)14x-3x-23=43(55)12x-48×0.2=6(56)9.7+43x=26.9(57)96x-4.1=15.1(58)7.2÷x=0.9(59)6x=7.2(60)(4x-18)÷7=14(61)60x-58x-0.6=1.2(62)(4.4x-9)÷21=0.2(63)77x-60x+0.7=14.3(64)3x+6×3.1=28.2(65)5.3+x=11.3(66)2(1.2x+6.2)=17.2(67)5x+17=217(68)27+2x=37(69)x+89=169(70)1x-4.1=5.9(71)90x+64x-2.8=105(72)6.7+x=15.7(73)7.4-x=3.6(74)18.9-0.4x=16.5(75)84÷x=14(76)5x=190(77)99+x=166(78)79x+61x+0.6=42.6(79)2x-15=103(80)17x-12x=25(81)19.6-67x=6.2(82)5(1.6x-1.2)=34(83)(6x-15)÷3=31(84)43x+69x-1.8=31.8(85)x-7.5=1.6(86)2x-5.4=6.6(87)3x-19=176(88)x+58=104(89)(10x+37)÷9=23(90)x+4.5=12.9(91)x÷27=4(92)0.3x+5.2=13.3(93)x+35=46(94)33-x=28(95)x÷9=1.6(96)18.9+8x=35.7(97)8+x=10(98)(1.3x+8.5)÷3=10.2(99)15x-4x+40=139(100)2x+27=189(101)0.9x÷6=3.3(102)4.5x+0.7x=67.6(103)0.7x-3.5×3=9.1(104)4x+6.9x=65.4(105)4x+17×7=143(106)12+x=74(107)0.7x÷3=3.5(108)14.2-0.2x=3.4(109)19.9-8.7x=2.5(110)22x=6.6(111)0.5x+6x+3.4=61.9(112)3x÷2=24(113)15x-29=16(114)(8x+26)÷5=26(115)3x=123(116)8(x-24)=80(117)3.3x+0.7×17=21.8(118)5x+20×5=120(119)0.7x-0.5×23=5.3(120)0.5x=12.5(121)0.8x+4.3×3=29.7(122)13x+3x=96(123)0.9x+5.8=7.6(124)9x-4x+41=56(125)7.2x+9.2x=114.8(126)128÷x=8(127)7x+4x-2=262(128)3.8x+1.4x=15.6(129)25x-29=146(130)3x-52=11(131)(2.4x-2.2)÷2=6.1(132)x-2=96(133)42x-1.2=11.4(134)9x-4.2=8.4(135)11x-26×0.6=2(136)x-3=5.3(137)81x-58x-4.1=16.6(138)10x+8x+39=399(139)17x+2x=95(140)7x+17x+13=157(141)2x=12.2(142)19x-17x+4.1=13.1(143)4.7x+2.8x+1.1=158.6(144)2.1x-0.5x=65.6(145)6x=13.8(146)3.1x-0.5×14=5.4(147)28x-4x+1=51.4(148)175-8x=79(149)0.6x÷12=1.3(150)2.4x-0.3x+4.1=75.5(151)26x-33=71(152)(3.8x+8.8)÷2=19.6(153)17x-10x-0.6=23.9(154)0.5x+3.7x+4.2=71.4(155)19x-5x=126(156)2x-23×0.3=1.1(157)2(5.5x+9)=40(158)0.2x-1.5=9.9(159)14÷x=2(160)2.7+3x=20.1(161)2x+2.1=2.7(162)2x+5×27=245(163)4x=188(164)4.5x+4.4x+0.2=115.9(165)2.6x+0.4×29=16.8(166)7.3-x=4.9(167)6x+2x=80(168)18.8+0.7x=30(169)85x+29=199(170)8x-1.9=14.1(171)51x+40=142(172)119-7x=63(173)(4.2x-8.5)÷25=0.5(174)3x+3×22=255(175)5÷x=0.2(176)144÷x=4(177)6(x+14)=174(178)5x+48×0.4=22.7(179)(6x-30)÷10=6(180)12x+13x-1.7=108.3(181)2(x+4.9)=35.8(182)4(2x-34)=88(183)16(2x+4)=160(184)3.6÷x=0.2(185)6(1.2x+1.7)=46.2(186)19x+4×3.6=27.7(187)1.2x=16.8(188)9.4x+2.6x+3.9=51.9(189)3.1x-0.9×3=12.8(190)0.2+x=3.1(191)(0.2x+1.4)÷16=0.3(192)14.3+0.3x=25.1(193)4.8x-2.3x=10(194)x-34=43(195)3(1.8x-2)=15.6(196)8x+7x+17=167(197)12x+4x+4.9=132.9(198)3x÷24=0.6(199)1.8x-0.4×3=11.4(200)0.3x÷15=1.3(201)3.6x-3.3x+1.5=6.6(202)2.1x+6.9x-3.8=104.2(203)3(x+36)=180(204)11.9-8x=7.9(205)11(x-10)=176(206)x÷3=1.2(207)35x=70(208)2.8+x=7.1(209)(10x+31)÷3=97(210)16x=64(211)8x+18x-47=187(212)11x+8x=190(213)5.3x-0.4x=34.3(214)8x-4x+31=83(215)1.3x-0.2×9=17.7(216)(13x-17)÷11=15(217)x-2.1=4.4(218)2x=13(219)3(15x+18)=189(220)8.1x-3.4x-2.5=21(221)5.1-x=3.2(222)x-3.3=4.8(223)4x+2x+22=214(224)5x-2x+23=92(225)2(4x-12)=144(226)5.5-x=4.4(227)16.5+9.1x=34.7(228)15x-10x=45(229)5x+13x-10=116(230)117÷x=39(231)6x-5.8x=1.4(232)6x-11×0.6=2.4(233)7x-3x+21=133(234)(10x+38)÷2=109(235)x+17=90(236)0.4x+3.7=14.5(237)88x-45x-3.4=22.4(238)4(0.2x+4.3)=46(239)1.4x-1.9×3=5.5(240)16x-2x-3=95(241)2.1x-1.8x=6(242)16.4-0.7x=11.5(243)64x-30x+0.3=27.5(244)150+17x=218(245)24x+5.7=17.7(246)97x-38x-2.3=44.9(247)4x+5x+17=278(248)9x+54x-2.3=48.1(249)2.5x-0.9×16=5.6(250)8÷x=1.6(251)13.5+95x=32.5(252)4x-2x-3.8=13.6(253)37x+2.5=13.6(254)83x+60x-2.7=168.9(255)7x-3x+30=62(256)0.6x=16.2(257)5.2x-1.9x-4.7=51.4(258)(19x+26)÷8=8(259)13x-4x-9=90(260)40x+60x-2.5=127.5(261)3(11x-40)=144(262)0.2x÷62=0.3(263)2x+4.4×4=37.6(264)16(2.7x-8.4)=38.4(265)7.9+0.7x=23.3(266)3x+16×1=22.9(267)2.4x-0.3x+0.3=78(268)0.2x+0.7×3=6.5(269)13x-8x+40=95(270)3.4x-3.2x-1=1.6(271)12+55x=28.5(272)18x÷14=9(273)x+7.3=17.1(274)10x÷7=2(275)4x+4=8.4(276)3x=0.9(277)50x+34x+0.9=34.5(278)10x+19×0.7=27.3(279)7x+5x-38=166(280)7x=168(281)1.3x-0.4x=4.5(282)2x+19×6=270(283)3.7x-2.8x-2.6=15.4(284)x+23=118(285)3(3.1x-5.2)=40.2(286)0.2x+1=11.2(287)16x-8×0.9=10.4(288)67+x=116(289)93÷x=3(290)18x-2x-1.1=8.5(291)12x-10x+13=27(292)3x-10=20(293)9x+12x+45=150(294)15.4+4.8x=29.8(295)6x-6×0.4=6(296)19÷x=3.8(297)1.7x+7.6x=18.6(298)130+2x=142(299)5.3x-3.4x-0.6=31.7(300)73-x=36(301)50x÷20=1(302)16x+26×7=246(303)19x+6x=200(304)15x-56=94(305)6(x+14)=156(306)9x-3.1x-2.5=9.3(307)16x+4.9=20.9(308)6.2x+7x=158.4(309)12.6÷x=1.4(310)15x+20x+4.5=71(311)2x+31×3=223(312)7.9x+1.2=17(313)10x-4x=36(314)1.1x-3=3.6(315)24x÷4=4.8(316)18x÷8=0.9(317)3(x+24)=117(318)6.1-x=5.5(319)28x-24×0.5=2(320)2x+1.2=9.6(321)1.7x=3.4(322)15.6÷x=0.2(323)12x-8x=52(324)2x+48=170(325)22(0.8x-4.3)=28.6(326)x+78=144(327)8x+2x-37=63(328)(2x+2.8)÷8=4.6(329)10x÷9=20(330)2(x+10)=104(331)x-66=16(332)17.2-5x=3.7(333)62x-15x+2.5=77.7(334)x÷25=3(335)2.3x-1.5x+0.3=17.1(336)3(10x+36)=198(337)1.4x=5.6(338)x÷12=6(339)136-13x=84(340)2x-2×89=14(341)155+3x=326(342)(15x+39)÷9=11(343)2x+30×2=176(344)x÷29=0.6(345)83x+40x+4.4=102.8(346)x-23=60(347)x÷9=13(348)6.2-0.2x=3.2(349)192+6x=282(350)0.8x+0.7×21=26.7(351)29x-17×0.5=8.9(352)x+34=126(353)78+x=167(354)x-0.5=8.1(355)3.1x-0.6x=52.5(356)77+x=89(357)x÷16=4(358)18x-12x+31=61(359)4+x=12.7(360)8.3x-2.3x+3.9=15.9(361)9x+8.2x+4=124.4(362)141-4x=61(363)5.2x+4.7x-1.3=68(364)2.2x+1.3×4=22.8(365)28x-2.1=14.7(366)7x-3x=48(367)22-x=10(368)4.4-x=1.2(369)5x-3x=44(370)14x-3x=99(371)12x+26=110(372)x-23=33(373)2(0.4x+3.8)=43.6(374)8x÷4=22(375)47x=141(376)3(3x+43)=156(377)(16x-36)÷11=20(378)9.6x+3.3x-0.6=115.5(379)70x+49x+1.4=37.1(380)11.2+9.6x=30.4(381)x÷16=1.1(382)7.9x-4.3x+4.3=43.9(383)0.6x÷15=1(384)10.5÷x=2.1(385)22x-44×2=88(386)162+4x=330(387)2x+2×4.3=9.2(388)98-x=57(389)3(1.6x-1.4)=5.4(390)x÷58=0.2(391)41x-4.5=3.7(392)193-85x=23(393)x-73=21(394)91-x=65(395)0.3x-1.6=8.6(396)x+43=50(397)8.3-1.1x=1.7(398)0.2x+1×12=16.4(399)10x-4x-13=107(400)20x-12×0.2=1.6(401)0.7x-0.3x+2.3=21.5(402)7x-5×17=62(403)x÷90=2(404)20+x=68(405)0.7x+0.4×23=12.7(406)25x-6x+3.3=79.3(407)0.4x+1.7x-3.2=59.8(408)8x+7x-21=309(409)x÷2=48(410)16x-14x=20(411)7.7x-0.6x+2.1=30.5(412)3(4x-9)=129(413)(3.9x+8.4)÷24=2.3(414)198÷x=33(415)2(0.5x-3.8)=21.4(416)0.3x+5.6=10.7(417)x-3.6=4.8(418)3.5-x=1.4(419)16.9-10x=5.9(420)5x+7x=144(421)5x=1.5(422)3x+3.9x-2=80.8(423)(3x-3)÷36=1(424)18x-5x-20=110(425)36x-28x+4=21.6(426)(8.1x+7.2)÷4=18(427)12(5x-5)=180(428)63-x=28(429)x+8.4=17.4(430)6.1x+2.6x+1.6=79.9(431)5x+31x+0.4=108.4(432)11x=55(433)7.9x-5.3=10.5(434)x-54=28(435)2x+3x=60(436)8.6+x=15.6(437)(2.3x+5.3)÷4=6.5(438)(8.1x-2.1)÷12=3.2(439)1.8x+0.3x-1.1=43(440)x÷25=5(441)4.4-x=2.4(442)22x÷66=2(443)1.7+5x=11.7(444)3x=18(445)194-72x=50(446)2.6x-1.1x+2=11(447)0.8x-1.8=4.6(448)2x+4x+26=110(449)20x-2.5=17.5(450)(6x+13)÷37=1(451)12x+19x-0.9=147.9(452)3x+8×1.8=25.2(453)x+6.3=10.2(454)7.5-2x=4.3(455)0.3x÷48=0.4(456)2x÷14=1.3(457)(14x+4)÷2=149(458)x-4.3=3.5(459)3.3x+1.3x=73.6(460)0.2x=4.6(461)15-26x=2(462)21x-6×10=108(463)21x-7x-3.8=20(464)1.3+x=3.6(465)x-5.5=1.1(466)173+15x=263(467)7x+14x-5=79(468)x+2.9=3.8(469)(4.8x-0.7)÷17=2.5(470)2(0.4x-6.6)=19.6(471)4x+6.2x+4.7=127.1(472)9x=1.8(473)3(3.4x+8.6)=46.2(474)4x+2x-20=226(475)21(2.9x-3.9)=39.9(476)18.5+1.5x=24.5(477)40x-17=63(478)2(12x-13)=190(479)9.6-x=6.9(480)49÷x=7(481)15x+5x=200(482)11x+5×13=252(483)16.1-11x=1.8(484)7.3+23x=16.5(485)19.8-36x=1.8(486)93x+9x-2.1=28.5(487)18x-8x-27=13(488)53-x=38(489)x÷2=3.2(490)0.2x+7.3x+2.9=100.4(491)6.3x-1x-2.7=60.9(492)x+3.9=5.8(493)55+66x=187(494)43+x=119(495)16+x=75(496)8.2x-0.5x=61.6(497)18x-13x-40=15(498)2x=180(499)2x÷26=7(500)18.9÷x=2.7(501)18x-4x-6=22(502)137-5x=117(503)7x-48×2=100(504)3x+10×1.5=22.8(505)x-17=68(506)0.2x-0.4×17=2(507)1.8x=7.2(508)(16x-45)÷5=39(509)2x+7x-4=194(510)9.4x+8.2x-4.4=171.6(511)12x÷33=0.4(512)x÷19=1(513)7x+0.7x-2.6=74.4(514)10x÷6=20(515)(3.4x-2.1)÷35=1.3(516)x-0.4=2(517)8x-3.8=8.2(518)44x-41x-0.8=5.2(519)12x-5×10=10(520)8x+5x+22=334(521)x+9.6=17.7(522)8.1x+4.1=20.3(523)7.8x=15.6(524)26x-1.2=11.8(525)(5.1x-1)÷2=35.2(526)9.6-2.4x=2.4(527)15x-2×52=46(528)x÷3=26(529)2x-6×19=64(530)60x-49x+2.7=6(531)(1.7x-8.3)÷3=4.6(532)0.4x-1.7=12.3(533)32x+12x+3.4=91.4(534)(9.4x+3.1)÷29=2.7(535)15+20x=19(536)15.3-0.4x=8.1(537)0.2x÷16=0.3(538)10x÷5=4(539)4.7+x=5.7(540)95x+2.4=21.4參考答案(1)x=16(2)x=4(3)x=13(4)x=28(5)x=5.4(6)x=0.4(7)x=9(8)x=6(9)x=97(10)x=12(11)x=37(12)x=2(13)x=13(14)x=79(15)x=17(16)x=5(17)x=3(18)x=12.6(19)x=25(20)x=4(21)x=23(22)x=49(23)x=7.6(24)x=5(25)x=12(26)x=1.4(27)x=39(28)x=4(29)x=0.4(30)x=5(31)x=15(32)x=0.6(33)x=7(34)x=1.4(35)x=2.8(36)x=0.9(37)x=28(38)x=3(39)x=13(40)x=0.7(41)x=9.5(42)x=1.6(43)x=23(44)x=7(45)x=10(46)x=1.8(47)x=6(48)x=19(49)x=16(50)x=0.3(51)x=13(52)x=1.2(53)x=3.2(54)x=6(55)x=1.3(56)x=0.4(57)x=0.2(58)x=8(59)x=1.2(60)x=29(61)x=0.9(62)x=3(63)x=0.8(64)x=3.2(65)x=6(66)x=2(67)x=40(68)x=5(69)x=80(70)x=10(71)x=0.7(72)x=9(73)x=3.8(74)x=6(75)x=6(76)x=38(77)x=67(78)x=0.3(79)x=59(80)x=5(81)x=0.2(82)x=5(83)x=18(84)x=0.3(85)x=9.1(86)x=6(87)x=65(88)x=46(89)x=17(90)x=8.4(91)x=108(92)x=27(93)x=11(94)x=5(95)x=14.4(96)x=2.1(97)x=2(98)x=17(99)x=9(100)x=81(101)x=22(102)x=13(103)x=28(104)x=6(105)x=6(106)x=62(107)x=15(108)x=54(109)x=2(110)x=0.3(111)x=9(112)x=16(113)x=3(114)x=13(115)x=41(116)x=34(117)x=3(118)x=4(119)x=24(120)x=25(121)x=21(122)x=6(123)x=2(124)x=3(125)x=7(126)x=16(127)x=24(128)x=3(129)x=7(130)x=21(131)x=6(132)x=98(133)x=0.3(134)x=1.4(135)x=1.6(136)x=8.3(137)x=0.9(138)x=20(139)x=5(140)x=6(141)x=6.1(142)x=4.5(143)x=21(144)x=41(145)x=2.3(146)x=4(147)x=2.1(148)x=12(149)x=26(150)x=34(151)x=4(152)x=8(153)x=3.5(154)x=16(155)x=9(156)x=4(157)x=2(158)x=57(159)x=7(160)x=5.8(161)x=0.3(162)x=55(163)x=47(164)x=13(165)x=2(166)x=2.4(167)x=10(168)x=16(169)x=2(170)x=2(171)x=2(172)x=8(173)x=5(174)x=63(175)x=25(176)x=36(177)x=15(178)x=0.7(179)x=15(180)x=4.4(181)x=13(182)x=28(183)x=3(184)x=18(185)x=5(186)x=0.7(187)x=14(188)x=4(189)x=5(190)x=2.9(191)x=17(192)x=36(193)x=4(194)x=77(195)x=4(196)x=10(197)x=8(198)x=4.8(199)x=7(200)x=65(201)x=17(202)x=12(203)x=24(204)x=0.5(205)x=26(206)x=3.6(207)x=2(208)x=4.3(209)x=26(210)x=4(211)x=9(212)x=10(213)x=7(214)x=13(215)x=15(216)x=14(217)x=6.5(218)x=6.5(219)x=3(220)x=5(221)x=1.9(222)x=8.1(223)x=32(224)x=23(225)x=21(226)x=1.1(227)x=2(228)x=9(229)x=7(230)x=3(231)x=7(232)x=1.5(233)x=28(234)x=18(235)x=73(236)x=27(237)x=0.6(238)x=36(239)x=8(240)x=7(241)x=20(242)x=7(243)x=0.8(244)x=4(245)x=0.5(246)x=0.8(247)x=29(248)x=0.8(249)x=8(250)x=5(251)x=0.2(252)x=8.7(253)x=0.3(254)x=1.2(255)x=8(256)x=27(257)x=17(258)x=2(259)x=11(260)x=1.3(261)x=8(262)x=93(263)x=10(264)x=4(265)x=22(266)x=2.3(267)x=37(268)x=22(269)x=11(270)x=13(271)x=0.3(272)x=7(273)x=9.8(274)x=1.4(275)x=1.1(276)x=0.3(277)x=0.4(278)x=1.4(279)x=17(280)x=24(281)x=5(282)x=78(283)x=20(284)x=95(285)x=6(286)x=51(287)x=1.1(288)x=49(289)x=31(290)x=0.6(291)x=7(292)x=10(293)x=5(294)x=3(295)x=1.4(296)x=5(297)x=2(298)x=6(299)x=17(300)x=37(301)x=0.4(302)x=4(303)x=8(304)x=10(305)x=12(306)x=2(307)x=1(308)x=12(309)x=9(310)x=1.9(311)x=65(312)x=2(313)x=6(314)x=6(315)x=0.8(316)x=0.4(317)x=15(318)x=0.6(319)x=0.5(320)x=4.2(321)x=2(322)x=78(323)x=13(324)x=61(325)x=7(326)x=66(327)x=10(328)x=17(329)x=18(330)x=42(331)x=82(332)x=2.7(333)x=1.6(334)x=75(335)x=21(336)x=3(337)x=4(338)x=72(339)x=4(340)x=96(341)x=57(342)x=4(343)x=58(344)x=17.4(345)x=0.8(346)x=83(347)x=117(348)x=15(349)x=15(350)x=15(351)x=0.6(352)x=92(353)x=89(354)x=8.6(355)x=21(356)x=12(357)x=64(358)x=5(359)x=8.7(360)x=2(361)x=7(362)x=20(363)x=7(364)x=8(365)x=0.6(366)x=12(367)x=12(368)x=3.2(369)x=22(370)x=9(371)x=7(372)x=56(373)x=45(374)x=11(375)x=3(376)x=3(377)x=16(378)x=9(379)x=0.3(380)x=2(381)x=17.6(382)x=11(383)x=25(384)x=5(385)x=8(386)x=42(387)x=0.3(388)x=41(389)x=2(390)x=11.6(391)x=0.2(392)x=2(393)