五年级数学(方程)专项练习题及答案汇编

五年级数学(方程)专项练习题及答案汇编(1)(11x-49)÷2=58(2)9x÷48=3(3)x-10=55(4)2(7x+19)=192(5)x-11=57(6)2.9x-0.7x=61.6(7)9x÷21=0.3(8)15.7+3.2x=28.5(9)2(1.3x-9.6)=12(10)x+60=65(11)x-2.6=2.4(12)4.7x-1.5=17.3(13)x-3.2=2.9(14)5x+10x-40=80(15)2x+1.5=5.5(16)4x+19x-19=188(17)27x+11×1.7=37.6(18)8(3x-13)=112(19)6.7x+1.8x+0.8=119.8(20)40÷x=5(21)0.4x+1.2=14.4(22)9.8x-7.1x=24.3(23)89x-24x-0.4=51.6(24)3x+2×8=43(25)x÷5=5(26)(17x+21)÷4=52(27)4.6x+0.3x+2.8=100.8(28)71+x=170(29)3.9x-1.6x=4.6(30)4x-1.2x+3.5=51.1(31)24x+2x-2.3=10.7(32)x-6=27(33)(0.2x+0.8)÷2=2.2(34)0.2x+0.6×10=7.8(35)2.2x÷2=4.4(36)82+x=85(37)1.3x-1.4=5.1(38)6(1.1x-7.4)=28.2(39)13.9-0.9x=5.8(40)15x+6x+30=303(41)9x-5x-18=50(42)0.2x=7.4(43)69x-43x+0.9=19.1(44)x÷7=1.9(45)46+19x=198(46)4.6x+1.5x-3.4=118.6(47)x-4.2=4.4(48)3x+9x+44=236(49)17÷x=0.5(50)31x-4x-3.3=69.6(51)x+6.8=14.4(52)91-x=47(53)9x÷5=36(54)(7.9x-7)÷30=2.4(55)4x-2×4.8=7.6(56)3x÷6=1(57)17x-6x-32=89(58)70x+5.3=19.3(59)1.2x=15.6(60)4.5x-0.3×15=9(61)10.8+4x=28.4(62)3.9x+4.2=12(63)8(0.2x+2.5)=23.2(64)16.8÷x=2.1(65)13.5÷x=0.3(66)9.2x+1.7=20.1(67)7x+17x-11=61(68)3x+5×29=238(69)11x=33(70)4(0.3x-0.4)=35.6(71)x÷62=0.2(72)0.9x+0.2×34=15.8(73)1+x=5.2(74)(1.4x-0.5)÷3=5.9(75)3x-0.8x+3.6=60.8(76)4.4-x=1.8(77)12.1-3x=1(78)2.2x+5.9=25.7(79)121÷x=11(80)(3.5x-9.8)÷28=0.9(81)124+24x=268(82)47x-5x+4.5=12.9(83)0.5x-1.4×11=1.1(84)44x+17x+4.3=95.8(85)5.3x-3x=6.9(86)1x=6(87)27x+28x-2.1=96.9(88)39x+30=108(89)3x+41=167(90)18x+40×4=196(91)(7.2x+2.9)÷35=0.7(92)35x-17x-1.3=22.1(93)(3.9x-0.9)÷38=0.9(94)18(0.3x+1.3)=45(95)(5x-5)÷7=5(96)8(1.1x-8.7)=18.4(97)9.2-0.3x=5.6(98)2.5x+3.2x-4.9=149(99)(12x+36)÷7=36(100)x+2.3=8.8(101)36x+70x-4.5=143.9(102)(6x+32)÷32=4(103)21x+18x+2.2=68.5(104)x-4=63(105)x÷62=3(106)3.2x+8.8x-2.5=81.5(107)160-3x=34(108)4.5x+0.2×33=20.1(109)(18x-16)÷4=59(110)14x-8x+49=115(111)x-1.7=6.5(112)28x-20x+3.8=22.2(113)12.5÷x=2.5(114)10x+2x-1.1=109.3(115)7x+19×10=288(116)2(0.8x+4.8)=49.6(117)9x÷3=30(118)(0.5x+7.8)÷7=1.4(119)42x-25x+4.8=11.6(120)3x+7×2.4=24.3(121)13x-10x+38=62(122)2(5.8x-9.9)=26.6(123)8.4x-7.7x-3.6=2.7(124)(6.1x+1.9)÷28=2.9(125)x÷3=18(126)5.1x-3.3x+0.4=4(127)10x-1.1=5.9(128)18x+3x+1.5=72.9(129)7.6x-4.6x-3.4=23.6(130)44x÷33=0.4(131)x-62=22(132)14x+7x-21=168(133)7x=35(134)74x-16x-2.3=26.7(135)7.6x+5.5x=78.6(136)x÷8=21(137)4.5+1x=10.5(138)2(1.4x+2.9)=25.4(139)15x+82x+4.1=42.9(140)4x-59=105(141)2(22x-14)=192(142)2x÷8=1.5(143)16.7+2.6x=27.1(144)3.3-0.3x=2.1(145)11x+38x+3.2=42.4(146)9x+2×3.2=16.3(147)6x-4x-5=23(148)85x-57x+2.8=14(149)14x-2×3.7=8(150)5.4x-1.6x=19(151)58x+93x-4.2=26(152)x+3.2=4.6(153)9x-5x+35=63(154)5x=11.5(155)x-10=20(156)3.6x+0.8×12=24(157)0.3x=17.4(158)7.9x-2.4x-2.5=30.5(159)17+x=50(160)5.5x+3.4x=17.8(161)5x=140(162)8x+6x=70(163)2x+4.3=16.7(164)0.4x+5x=32.4(165)28x÷42=4(166)2x+29=105(167)142-4x=98(168)8x-6x=30(169)66x+41x+3.1=24.5(170)7x-4x-36=27(171)8.1x+0.2x+2.6=52.4(172)24x÷60=0.2(173)x÷22=0.2(174)106÷x=2(175)0.5x-2=1(176)33x-26x-0.4=12.9(177)3x=17.7(178)16x÷2=48(179)9x-3x-5=73(180)x+48=90(181)14x+7×17=203(182)165+2x=241(183)7x+12x-12=159(184)0.4x-1.8=15.4(185)1.7x+1.6x=16.5(186)7x-5.9=1.1(187)114-49x=16(188)10x+46×0.4=31.4(189)x÷36=0.2(190)36x÷8=0.9(191)7x+1.2=11.7(192)117÷x=39(193)7.4-x=3.5(194)4(0.8x+7.9)=44.4(195)x+8.1=14.6(196)(3.6x-0.6)÷2=17.7(197)x-1.5=4.8(198)x÷8=1.6(199)4(0.2x+5.9)=42.8(200)20x+3.3=23.3(201)21x÷27=7(202)12.9+2x=24.1(203)6x+32=116(204)30x÷12=10(205)70÷x=35(206)(0.9x+7.1)÷2=8.5(207)0.9x+1.9×7=17.8(208)3(10x-28)=66(209)x+48=125(210)x÷8=2.3(211)6x+47×0.4=32.6(212)4.7x-1.4x-4.5=35.1(213)166-26x=114(214)18x-10x+0.6=7(215)39x-30=165(216)6.6+7x=24.8(217)15x÷4=4.5(218)1x+9.4x=52(219)6.8x+7.3x+3.1=115.9(220)17-29x=2.5(221)49x-26=72(222)20x+43=243(223)19x+18x-16=354(224)x÷11=0.4(225)5(12x-7)=85(226)4(4.5x+2.8)=47.2(227)15x-12x=39(228)9-x=7(229)8.3x+5.5x=82.8(230)1.6x-0.2x=19.6(231)14x+6x-9=51(232)8.6x-5.8x+1.9=32.7(233)15(x-12)=165(234)2(x+46)=180(235)31x+22x-0.3=137.5(236)8.7x÷29=0.6(237)1x-0.2x-0.2=74.2(238)17.2-48x=2.8(239)1.3x-0.5×8=10.3(240)x÷3=8(241)7x-4x=27(242)80-x=26(243)4x=19.6(244)6x+2×29=160(245)3.5x+3.6x+0.8=192.5(246)16+x=105(247)1.7+x=6.9(248)9.7+x=11.4(249)30x÷6=1.5(250)72÷x=24(251)(6.9x+7.5)÷12=3.5(252)3.7x-2.4x=20.8(253)7.1x=14.2(254)85x=17(255)4+20x=20(256)2.4+1x=17.4(257)2x+4×4.9=24.8(258)2.6x-0.9×6=7.6(259)16x+19x=175(260)8x-5x+38=98(261)2x-4×17=128(262)48x=144(263)0.6÷x=0.2(264)28+8x=52(265)4x-38×0.3=4.2(266)14x-40×2=18(267)2.4x+0.2x-4.3=86.7(268)55x+2.7=19.2(269)16+x=46(270)11x-2x+37=163(271)(13x+20)÷44=4(272)1.2x=13.2(273)0.8x+0.3×4=9.2(274)2x+59=95(275)8x-25=87(276)4.6+x=10.3(277)9x-5.4=9(278)6x-3=7.2(279)30x-41=19(280)18.9-7.7x=3.5(281)8x-3x-27=38(282)5x+15x+8=248(283)1.9x+3.2x=81.6(284)17x-2×2.8=11.4(285)9.5-x=1.6(286)168+54x=330(287)18x÷4=45(288)14.2-34x=7.4(289)10x=8(290)15.8+3x=27.2(291)4x+4.4=15.2(292)173-5x=53(293)5(4.1x+1.7)=49.5(294)17.9-0.3x=9.8(295)x+85=110(296)10x-5x=65(297)x-2.8=3.5(298)6x-4x-4.6=4.6(299)0.3x=1.8(300)0.2x-5.7=6.5(301)2x=140(302)8(2x-35)=104(303)3(5x+46)=198(304)(6.4x+7.8)÷23=3.4(305)4.4x+0.6x=15(306)3x=3(307)3.6x+5.3x+2=144.4(308)x-0.4=8.4(309)x÷3=1.5(310)14x-6x=72(311)(3.3x+3)÷15=1.3(312)1.5x+1.2x-3.5=10(313)x+3.2=12.1(314)1.9x=7.6(315)5x+7x=276(316)11x+9x=60(317)62x+3x+0.9=13.9(318)1.2x-0.3x+4.5=40.5(319)x-4=34(320)0.5x+0.5×34=26(321)3x-4×0.2=9.7(322)4x-22=174(323)16x-4×16=16(324)1.3x+1.2x-1.1=163.9(325)7.5x-6.1x+1.8=14.4(326)8x+5x+49=205(327)7.1x+0.5x+4.3=87.9(328)0.6x-0.5×24=5.4(329)154-31x=92(330)(11x+33)÷8=22(331)91x+2.4=20.6(332)6x÷9=1(333)187-21x=145(334)113-2x=67(335)4.6-x=4(336)47-x=37(337)7x+10x=187(338)23x=4.6(339)94÷x=2(340)19x=57(341)1.8+x=7.6(342)x÷19=0.7(343)8x-4.6=1(344)38x-9×1=2.4(345)1.6x-0.3x=68.9(346)(4.4x-4.2)÷18=2.7(347)26x÷2=3.9(348)6.1x-3.3x-2.8=33.6(349)68-x=66(350)0.6x-2.8×3=4.2(351)3x+14x+36=172(352)26x+16×10=212(353)8x-4x=72(354)98x-24x+4.3=70.9(355)9.5+2x=15.5(356)x+68=105(357)1.7x÷4=3.4(358)2.5-x=1(359)132+2x=210(360)166-4x=122(361)3.5+2.6x=11.3(362)5x-3.2=14.3(363)x+1.8=3.7(364)9x+8x=374(365)9x-11×2=32(366)0.9+x=8.2(367)69+x=160(368)1x÷5=2.2(369)35x-3.7=3.3(370)13.3-0.2x=4.3(371)67-x=37(372)5.9x+3.5=15.3(373)2(x+21)=124(374)97x-63x-1.6=5.2(375)1.1x+0.2×20=21.6(376)5x-2x-24=48(377)23x+3.4=17.2(378)3.8x=7.6(379)1x-0.6×24=4.6(380)11x-8x+23=65(381)6x+13x+4=213(382)127+94x=315(383)10(3x+13)=190(384)(17x-29)÷24=8(385)2.7x+0.7x-1.7=76.5(386)13x-53=51(387)x-6=2.6(388)6x-3.2x-4.6=20.6(389)(8x-15)÷17=9(390)5x+3×38=254(391)2(x+5)=72(392)92+x=134(393)5(2x-31)=195(394)25÷x=5(395)19x-17x=12(396)0.8x÷12=0.6(397)19x-3x+7=39(398)11x+3x-8=76(399)181+5x=351(400)11x+2x-4.2=36.1(401)(7x+17)÷3=29(402)(8x-26)÷2=11(403)13x-14×0.2=3.7(404)8x-3x-22=103(405)27x-5×8=149(406)2.1x-5.3=11.5(407)7.7x-1.6x-1=72.2(408)3x+2x=55(409)18÷x=2(410)16.8÷x=2.4(411)20(0.6x-2.3)=26(412)(4x-4.8)÷8=1.9(413)9x+5x-3.5=6.3(414)3.3x+3.9x-3.8=82.6(415)45-x=28(416)29x=8.7(417)12x-3x=90(418)x+69=99(419)x+12=96(420)48-x=29(421)x÷9=4(422)6.3x+3.3x+3.3=108.9(423)18x-7x+28=138(424)x-57=36(425)2.1x÷7=0.6(426)2(7x+24)=90(427)7+x=71(428)2.7x-2.4x+3.3=8.1(429)0.9x-3.9=3.3(430)2x+4×4.4=20.8(431)x+7.2=16.1(432)62x+50x-2.5=165.5(433)4x+7x+24=178(434)8.7-x=2.8(435)54x-24x-3.5=17.5(436)5(4x-32)=180(437)55-x=10(438)x+8.8=11.3(439)x+7.8=17.6(440)19x-14x+7=57(441)x÷42=3(442)27x+78x+2.5=128.5(443)(5.1x-8.4)÷19=0.9(444)(9.1x+2)÷3=31(445)6x+27×0.6=26.4(446)1x-0.8×11=5.2(447)5x+8x+3.3=111.2(448)4.3-11x=2.1(449)5.5x-4.8x+4.8=11.8(450)6.4+0.3x=14.5(451)9.5x+6x+2.2=126.2(452)10.5-2.5x=5.5(453)23x-4×3.1=1.4(454)3+x=44(455)6x+9x-49=236(456)96-x=90(457)18.7+0.3x=34.3(458)7.6+x=9.4(459)12x-5x-7=42(460)(8.8x-2)÷3=5.2(461)12.7-16x=9.5(462)3.8+6x=11.6(463)6.9+x=9.2(464)16.5-15x=12(465)4x+8.3x=61.5(466)11.7+7x=18.7(467)24x-17×0.6=6.6(468)x-0.4=7.5(469)18.5+18x=22.1(470)18x-29×3=57(471)2x-41=17(472)(7x-6)÷23=4(473)3(2.4x-4.7)=43.5(474)47x-22x+2.8=17.8(475)4.2-x=3.4(476)22(0.2x-6)=44(477)19x-47=48(478)2x-38×3=64(479)3x+25×0.3=13.8(480)0.9x+2.7×3=26.1(481)15.4÷x=1.1(482)5(0.5x-3.6)=37(483)14.3+8x=33.5(484)15x+3x=126(485)6(x-6)=156(486)3.2x-2.5=3.9(487)8(x+2)=48(488)2(x+33)=130(489)14x-10x=36(490)56x÷7=24(491)39x-5.8=13.7(492)160÷x=5(493)97x-63x-0.5=13.1(494)9x+41=185(495)1.4x÷84=0.2(496)x÷3=32(497)0.7x-0.3x+2.6=14.6(498)(11x+11)÷11=17(499)5.2+x=13.7(500)x+53=117(501)75x=15(502)x+44=111(503)23x+1.9=6.5(504)3(1.1x+6.1)=41.4(505)0.6x+3=4.8(506)(9x-48)÷13=15(507)0.6x+5.8=7(508)(10x+24)÷2=132(509)11x-75×2=26(510)2x=138(511)x-14=45(512)(10x+16)÷12=8(513)x÷4=49(514)45x-2.7=6.3(515)15.5-0.2x=5.3(516)0.7x÷84=0.2(517)3x-7×9=45(518)45x=135(519)5.4x-1.8x=14.4(520)16.7+2.2x=21.1(521)0.3x+3.9=5.7(522)38x+33=223(523)2.1x+0.5x-1.3=68.9(524)2.7÷x=0.9(525)18.9-1.2x=8.1(526)13x+10×14=231(527)6.2-x=4(528)3x+6x=270(529)7x=21(530)173+9x=254(531)2x+10x+34=82(532)5.8-6x=3.4(533)(17x-12)÷22=1(534)10.7-24x=5.9(535)10x+55=235(536)5.4x-4x-4.2=1.4(537)7.6x-3.8=11.4(538)0.4x-2.1×4=10(539)13x+8x+13=307(540)83x-18x+2.5=54.5参考答案(1)x=15(2)x=16(3)x=65(4)x=11(5)x=68(6)x=28(7)x=0.7(8)x=4(9)x=12(10)x=5(11)x=5(12)x=4(13)x=6.1(14)x=8(15)x=2(16)x=9(17)x=0.7(18)x=9(19)x=14(20)x=8(21)x=33(22)x=9(23)x=0.8(24)x=9(25)x=25(26)x=11(27)x=20(28)x=99(29)x=2(30)x=17(31)x=0.5(32)x=33(33)x=18(34)x=9(35)x=4(36)x=3(37)x=5(38)x=11(39)x=9(40)x=13(41)x=17(42)x=37(43)x=0.7(44)x=13.3(45)x=8(46)x=20(47)x=8.6(48)x=16(49)x=34(50)x=2.7(51)x=7.6(52)x=44(53)x=20(54)x=10(55)x=4.3(56)x=2(57)x=11(58)x=0.2(59)x=13(60)x=3(61)x=4.4(62)x=2(63)x=2(64)x=8(65)x=45(66)x=2(67)x=3(68)x=31(69)x=3(70)x=31(71)x=12.4(72)x=10(73)x=4.2(74)x=13(75)x=26(76)x=2.6(77)x=3.7(78)x=9(79)x=11(80)x=10(81)x=6(82)x=0.2(83)x=33(84)x=1.5(85)x=3(86)x=6(87)x=1.8(88)x=2(89)x=42(90)x=2(91)x=3(92)x=1.3(93)x=9(94)x=4(95)x=8(96)x=10(97)x=12(98)x=27(99)x=18(100)x=6.5(101)x=1.4(102)x=16(103)x=1.7(104)x=67(105)x=186(106)x=7(107)x=42(108)x=3(109)x=14(110)x=11(111)x=8.2(112)x=2.3(113)x=5(114)x=9.2(115)x=14(116)x=25(117)x=10(118)x=4(119)x=0.4(120)x=2.5(121)x=8(122)x=4(123)x=9(124)x=13(125)x=54(126)x=2(127)x=0.7(128)x=3.4(129)x=9(130)x=0.3(131)x=84(132)x=9(133)x=5(134)x=0.5(135)x=6(136)x=168(137)x=6(138)x=7(139)x=0.4(140)x=41(141)x=5(142)x=6(143)x=4(144)x=4(145)x=0.8(146)x=1.1(147)x=14(148)x=0.4(149)x=1.1(150)x=5(151)x=0.2(152)x=1.4(153)x=7(154)x=2.3(155)x=30(156)x=4(157)x=58(158)x=6(159)x=33(160)x=2(161)x=28(162)x=5(163)x=6.2(164)x=6(165)x=6(166)x=38(167)x=11(168)x=15(169)x=0.2(170)x=21(171)x=6(172)x=0.5(173)x=4.4(174)x=53(175)x=6(176)x=1.9(177)x=5.9(178)x=6(179)x=13(180)x=42(181)x=6(182)x=38(183)x=9(184)x=43(185)x=5(186)x=1(187)x=2(188)x=1.3(189)x=7.2(190)x=0.2(191)x=1.5(192)x=3(193)x=3.9(194)x=4(195)x=6.5(196)x=10(197)x=6.3(198)x=12.8(199)x=24(200)x=1(201)x=9(202)x=5.6(203)x=14(204)x=4(205)x=2(206)x=11(207)x=5(208)x=5(209)x=77(210)x=18.4(211)x=2.3(212)x=12(213)x=2(214)x=0.8(215)x=5(216)x=2.6(217)x=1.2(218)x=5(219)x=8(220)x=0.5(221)x=2(222)x=10(223)x=10(224)x=4.4(225)x=2(226)x=2(227)x=13(228)x=2(229)x=6(230)x=14(231)x=3(232)x=11(233)x=23(234)x=44(235)x=2.6(236)x=2(237)x=93(238)x=0.3(239)x=11(240)x=24(241)x=9(242)x=54(243)x=4.9(244)x=17(245)x=27(246)x=89(247)x=5.2(248)x=1.7(249)x=0.3(250)x=3(251)x=5(252)x=16(253)x=2(254)x=0.2(255)x=0.8(256)x=15(257)x=2.6(258)x=5(259)x=5(260)x=20(261)x=98(262)x=3(263)x=3(264)x=3(265)x=3.9(266)x=7(267)x=35(268)x=0.3(269)x=30(270)x=14(271)x=12(272)x=11(273)x=10(274)x=18(275)x=14(276)x=5.7(277)x=1.6(278)x=1.7(279)x=2(280)x=2(281)x=13(282)x=12(283)x=16(284)x=1(285)x=7.9(286)x=3(287)x=10(288)x=0.2(289)x=0.8(290)x=3.8(291)x=2.7(292)x=24(293)x=2(294)x=27(295)x=25(296)x=13(297)x=6.3(298)x=4.6(299)x=6(300)x=61(301)x=70(302)x=24(303)x=4(304)x=11(305)x=3(306)x=1(307)x=16(308)x=8.8(309)x=4.5(310)x=9(311)x=5(312)x=5(313)x=8.9(314)x=4(315)x=23(316)x=3(317)x=0.2(318)x=40(319)x=38(320)x=18(321)x=3.5(322)x=49(323)x=5(324)x=66(325)x=9(326)x=12(327)x=11(328)x=29(329)x=2(330)x=13(331)x=0.2(332)x=1.5(333)x=2(334)x=23(335)x=0.6(336)x=10(337)x=11(338)x=0.2(339)x=47(340)x=3(341)x=5.8(342)x=13.3(343)x=0.7(344)x=0.3(345)x=53(346)x=12(347)x=0.3(348)x=13(349)x=2(350)x=21(351)x=8(352)x=2(353)x=18(354)x=0.9(355)x=3(356)x=37(357)x=8(358)x=1.5(359)x=39(360)x=11(361)x=3(362)x=3.5(363)x=1.9(364)x=22(365)x=6(366)x=7.3(367)x=91(368)x=11(369)x=0.2(370)x=45(371)x=30(372)x=2(373)x=41(374)x=0.2(375)x=16(376)x=24(377)x=0.6(378)x=2(379)x=19(380)x=14(381)x=11(382)x=2(383)x=2(384)x=13(385)x=23(386)x=8(387)x=8.6(388)x=9(389)x=21(390)x=28(391)x=31(392)x=42(393)x=35(394