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)4x+10×18=328(2)2x+3.8=11.8(3)18x-4x-39=87(4)2(5x-5)=40(5)4.5+0.7x=10.1(6)38-x=26(7)11x-9x=36(8)2.2+10x=17.2(9)5(14x-30)=130(10)14x+18x=224(11)x+6.5=10.7(12)65x-14x-3.3=42.6(13)(8.4x+6.8)÷26=2.2(14)5x+13x=72(15)5x+17x-42=200(16)91-x=11(17)17x-6x=121(18)x+2.5=11.9(19)11x-6x-13=72(20)3x-2.9=5.8(21)11x-11=110(22)x+9.2=14.9(23)2(15x+14)=178(24)192÷x=3(25)12x-3x=126(26)4x+3x+41=146(27)17+x=27(28)26(x+2)=182(29)4x=14.8(30)(1.7x-8.3)÷3=8(31)5x-4.2x+2.9=16.5(32)2x+50=128(33)28x-47×0.2=7.4(34)18x-16×0.7=3.2(35)11.2-12x=1.6(36)x+99=126(37)6.9-x=6.6(38)18x-9x+3=66(39)9.6÷x=1.6(40)10x-3x-44=75(41)8x÷6=12(42)0.8x-1.7×4=10.8(43)3(0.2x+4.6)=39(44)(18x+36)÷36=3(45)0.4x+1.5=12.3(46)40-x=15(47)40+x=47(48)1.2x+0.4x+2.8=102(49)8-x=6.5(50)4x+34×0.5=36.2(51)49x=98(52)x-11=52(53)(8.4x+4.6)÷2=40.1(54)81+x=104(55)x+45=91(56)63+4x=123(57)50x+11x+1.6=111.4(58)8x+4×0.9=20.4(59)8x+3×13=135(60)17x+3x-33=167(61)47x-32x+0.9=8.4(62)6.5-x=2.5(63)114÷x=19(64)3.4x-2.7x-2.2=4.1(65)0.5x=12(66)(4.3x-5.4)÷33=1.4(67)x+2.5=9.2(68)(11x-43)÷2=94(69)2.6x-0.3×45=4.7(70)0.2x-3.6=7.4(71)(11x-21)÷13=6(72)(7x+7)÷5=42(73)37+6x=55(74)0.3x÷57=0.2(75)18.8-0.4x=1.2(76)1+1.1x=15.3(77)x-63=33(78)7x-4x+24=66(79)9.4+x=14(80)(5.9x+1.3)÷8=6.8(81)18.7-27x=5.2(82)8.4x-3.5=13.3(83)14x+13x+6=249(84)x-4.3=2.8(85)6x+30×0.4=21.6(86)17-3x=5.3(87)3x=192(88)12.5-20x=4.5(89)157-62x=33(90)2.1÷x=0.7(91)17+6x=107(92)x÷31=2(93)6.4+0.2x=10.8(94)37x-34x+2=8(95)96+x=165(96)6.1x-5.4x-2.4=6.7(97)7x+3.7=22.6(98)2(2x+15)=194(99)22x-3.8=2.8(100)16.5+99x=36.3(101)50x÷4=25(102)2(x+2.2)=12.4(103)6.7x-5.5x-2.3=3.7(104)12x÷48=0.2(105)4x+4.7=24.7(106)89+x=164(107)187-4x=163(108)x+2.8=10.7(109)0.2x+5=7.8(110)3x-22×0.2=4.3(111)(17x-20)÷16=3(112)11x+5x=64(113)x-5.3=2.8(114)4x÷22=0.8(115)5x-3x+9=53(116)84+7x=266(117)4.8x-1.6x=57.6(118)7.9x+8.4x=65.2(119)13-1.2x=10.6(120)x+14=60(121)14x-5.8=6.8(122)38x+2×1.4=18(123)17x-9x=40(124)(12x-36)÷12=1(125)(5.1x-5.7)÷18=1.1(126)10x+1.6=21.6(127)x-7=28(128)(5.2x+1.6)÷6=7.2(129)15.3÷x=1.7(130)0.2x=15(131)2x+3×55=289(132)18.8+2x=23.4(133)x+33=55(134)1x÷30=0.2(135)6.8x+2.2x+2.9=74.9(136)4x÷12=0.6(137)6.6x+3.9x-3.6=111.9(138)3x+29×0.4=24.8(139)10x-2x=112(140)9x+76x-3.7=89.8(141)155-4x=19(142)50x-20=130(143)92x-32=152(144)86-x=38(145)4.9x+8.7x-3.1=64.9(146)7x-4x+42=90(147)3x÷2=2.4(148)58x+10x+1.7=103.7(149)2(5.5x-0.8)=31.4(150)1.9x+2.1x-1.3=54.7(151)(8x-5.5)÷13=4.5(152)x÷44=3(153)11(1.3x-5.9)=20.9(154)40x=16(155)4.1x+2.1=14.4(156)5x+6×21=176(157)7.6÷x=3.8(158)6(1.2x-8)=45.6(159)2.7x-0.8×3=13.8(160)8x-4x+5=49(161)3x=198(162)18x-9x-25=47(163)(4.2x-2.2)÷2=17.8(164)11(0.3x-8.1)=36.3(165)4x-4×0.8=14.4(166)16.8+1.2x=36(167)95-3x=56(168)3x+12×7=222(169)0.5x=18(170)6.9-x=5.5(171)0.5x+0.2×9=12.8(172)6x-35=91(173)9.7-x=6.4(174)11x+10x=252(175)83x-66x+0.7=9.2(176)6.5x+9.9x-2.2=112.6(177)2(x-2)=90(178)0.2x=18.6(179)0.9x+0.9×12=24.3(180)15x-2.8=1.7(181)4.5x+0.9x=54(182)3.6÷x=0.3(183)2(0.2x+2)=9.6(184)(2x+32)÷2=29(185)9x+19x-9=187(186)9.7x-4x=34.2(187)13.4-0.3x=3.2(188)2x+7×1.6=20.6(189)9.2x-6x-3.7=18.7(190)5.2x-2.4x+4.4=57.6(191)x÷12=16(192)13.9+51x=24.1(193)19x+73x+1.2=38(194)2.8+x=7.1(195)1.1x÷22=0.2(196)21x=126(197)7x=21(198)2x=12.4(199)6.6-x=5.8(200)127+35x=197(201)18.6-1.7x=13.5(202)13x-75×2=32(203)135÷x=15(204)22x-8×20=38(205)17x-6x-9=35(206)5(x+14)=115(207)7x-3.7=5.4(208)95x-28x+1.3=28.1(209)56x-23x-1.6=41.3(210)15x÷5=27(211)x÷2=4.9(212)12x÷30=2(213)5.4x-3.5x=24.7(214)1x-4.6=3.4(215)7x+2.9=20.4(216)1.5x+0.6×10=15(217)97+x=187(218)161-8x=105(219)52x+22=178(220)4.9x-1.7x+0.4=29.2(221)3+x=85(222)0.6x+8.8x=65.8(223)10.8-4x=1.6(224)185+17x=287(225)7.7x-0.4x-3.6=40.2(226)14x+5x+35=206(227)29x=58(228)0.3x+0.9×5=9.9(229)0.7x+3.5=8.4(230)56x=168(231)12x+19×6=138(232)(14x+42)÷6=49(233)x÷49=2(234)2(20x+14)=108(235)12.4+13x=17.6(236)20(0.3x-8.3)=44(237)9.9x+5.7x-4.2=27(238)6x-38×0.3=3.6(239)46x-1.7=16.7(240)83x+35x-0.9=34.5(241)x÷93=0.2(242)17.8-0.5x=16.3(243)17x-6x-42=57(244)x-2.3=6.3(245)24x-28=164(246)1.6x-3.2=14.4(247)5.9x+5.6x=115(248)(7.8x-6.4)÷4=17.9(249)x÷8=15(250)24x÷12=0.6(251)(5.8x-6.6)÷22=2.6(252)13x-3x+24=124(253)(0.7x+6.4)÷2=3.9(254)33x+11x-1.6=73.2(255)9.2+x=13.2(256)5.6x+1.1x-3.6=76.8(257)23x-16x+1.8=26.3(258)2(2x-22)=108(259)2.7x-1.1x+2.4=50.4(260)5x-3x-34=22(261)52x+41x-1.6=44.9(262)16.3-0.3x=12.1(263)7.9-x=2.7(264)3(1.6x+0.3)=34.5(265)x÷4=3.8(266)22x-3×10=58(267)66x+80x-2.3=143.7(268)100÷x=2(269)8x-4.6x=20.4(270)8.6x+3.4x-1.4=22.6(271)6.5x+2.8x+2.8=142.3(272)(8x-30)÷18=9(273)139-10x=79(274)x+16=103(275)x+5.1=10.9(276)26x+50x-0.4=37.6(277)4(4x+12)=192(278)89x-37x-2.3=28.9(279)11x+16x+36=198(280)2.9x=14.5(281)x-2.3=6.1(282)2x÷10=1.3(283)24x+55=199(284)12x-5.6=10(285)x÷5=18(286)x÷9=0.8(287)3.3x+0.3x=32.4(288)x-31=35(289)14.3+8x=32.7(290)43x+34=120(291)18.6-7x=15.1(292)6x-3x+3.2=29.3(293)2x÷8=9(294)6.4x+9.5x+1.2=96.6(295)x÷16=3(296)(3.6x-0.8)÷31=1.6(297)8x-7.3x=5.6(298)150÷x=25(299)7.6-0.2x=7.2(300)12x-2×3.7=1(301)9x+37×2=119(302)2x÷22=6(303)82x-55x+1.8=34.2(304)2.3x-4.8=6.7(305)13x+7x+44=264(306)x-14=27(307)53x+13x-4=68.6(308)2x+18x-38=42(309)32x÷12=0.8(310)18.4+10x=36.4(311)6x+18x+46=238(312)2x+5x=84(313)8.6+2.6x=24.2(314)3.2x÷4=2.4(315)21+x=23(316)x÷85=2(317)5x+6×0.7=19.7(318)56x÷28=4(319)6x+4x=330(320)19x-13x=42(321)6x+9×2=29.4(322)87x-13x-2.3=42.1(323)144+2x=190(324)x-21=77(325)4.1x+2.9x=42(326)6.3x-2.8x+1.5=54(327)5.8x-3.2x-4=3.8(328)11(x-8)=110(329)2.1x+0.4x+1.5=104(330)49x+5x-1.8=9(331)(8.6x+0.6)÷8=11.9(332)0.2x+1.5×11=23.3(333)14.8-3x=10.3(334)(15x-7)÷47=4(335)7x-2×54=25(336)6.4-x=2.8(337)4x=12.8(338)x÷5=3.6(339)0.4x=8.4(340)6x-4x+23=65(341)27x+3×22=228(342)7x+5x=48(343)3x+0.4×32=24.8(344)0.2x÷28=0.4(345)79x-73x-3.1=2.9(346)145+4x=269(347)18.6-19x=5.3(348)5.9-x=5.7(349)5x-2×11=83(350)8.9x+5.8x-2.2=56.6(351)1.6+x=9.3(352)2.8+1.7x=9.6(353)x+5.9=9.9(354)3(6x+19)=147(355)0.6x÷10=1.2(356)5.4+3x=22.2(357)6(2x-36)=144(358)9.2x+2.2x+3=25.8(359)12+x=66(360)9x+2=20.9(361)2.1x+2.6x+2.9=82.8(362)5x+3.2=13.2(363)6x-4.6x+3.9=16.5(364)8.4+0.3x=19.8(365)2x=114(366)2x-1.5=6.9(367)11x+6x=272(368)5x+7x+11=131(369)x-33=20(370)8x-3x=110(371)11x-8×0.9=10.4(372)40x-36x-2.1=2.3(373)7(0.2x-4.4)=22.4(374)(4.9x-6.4)÷9=3.1(375)15x-5x=20(376)x-26=19(377)24x-18=54(378)(3x+28)÷7=13(379)3x+42×0.3=13.8(380)15x-8x-19=16(381)4x-35=33(382)19.2÷x=1.6(383)3.5x-0.4×5=12(384)3.8x+5.5x=139.5(385)x-1.9=6.8(386)x÷31=6(387)62x=12.4(388)6.6x+1.8x=16.8(389)2.3x-0.2×11=2.4(390)x÷20=0.4(391)x÷37=0.3(392)5x+7x-11=97(393)196÷x=4(394)11(0.3x-8.2)=41.8(395)43x-9x-0.2=57.6(396)x-1.1=3.7(397)2(0.4x+2.4)=39.2(398)3(0.7x+2.2)=27.6(399)16.1÷x=0.7(400)15x+39=189(401)24x÷32=0.3(402)2x÷11=0.4(403)7x-5.1x-1.1=14.1(404)9(0.3x-1.6)=9.9(405)9x+16x+18=168(406)x-7=2.4(407)14+0.5x=32.5(408)5.5x+4.3x=98(409)x+4.6=11.1(410)61-x=34(411)0.7x-0.6×20=2.7(412)14.6-11x=6.9(413)0.6x+4.9=16.9(414)2x+53=67(415)1.2x-1.3×7=1.7(416)1.7+0.2x=20.1(417)(3x-4)÷4=8(418)x-26=22(419)8.4x÷8=2.1(420)x+4.5=7.6(421)x+70=154(422)x÷21=0.2(423)7.5+x=16(424)4.7x+2.7x+4.1=48.5(425)5x+2.2=14.7(426)6.9+x=15.3(427)37x-14x-4=37.4(428)(2x+3)÷10=3.5(429)9(1.8x-2.8)=23.4(430)65x+43x-2.8=62(431)8x-0.9x=56.8(432)23x+46×4=276(433)0.9x+0.6×29=34.5(434)4.3x-3x=26(435)0.3x+5.6=13.1(436)6.9x-0.2x=33.5(437)3.3x-1.6×4=6.8(438)11x+17x+18=102(439)5x=10.5(440)17x+12x+4.1=76.6(441)16-0.2x=4(442)(5.9x+1.2)÷7=8.6(443)79x+35=193(444)2x+45=211(445)0.6x+5.1=8.1(446)4x-2×2=15.2(447)14x-2×2.6=10.2(448)1.1x+0.4×44=30.8(449)4(1.8x+3.3)=49.2(450)52x+60x+3.2=59.2(451)45x+41x+0.3=77.7(452)6(4x-2)=180(453)3(3.3x+1)=32.7(454)4.1+x=8.6(455)(6x-24)÷10=15(456)5x-2.4x+1.2=14.2(457)18x+3x=168(458)7.4+x=10.4(459)19.9-2.2x=2.3(460)1.4x=12.6(461)10x+11x-24=228(462)3x-2.5x=8.5(463)76x-19=133(464)13x+7x-9=231(465)11x÷5=33(466)3.4x-1.7x+1.6=6.7(467)x÷3=1.9(468)59x-29x+2.1=23.1(469)0.8x-5.7=14.3(470)157-34x=21(471)x+16=55(472)14x÷56=3(473)14x=84(474)146-10x=86(475)61-x=58(476)2x=1.4(477)2x÷10=0.4(478)x+68=158(479)2.9x÷58=0.3(480)0.6x=3(481)(5x+35)÷7=10(482)18x+4x-35=141(483)19x-12x-37=26(484)134÷x=2(485)18x+34x+4.7=139.9(486)2.7x-3.4=10.1(487)25-x=11(488)0.9x-0.2×21=5.7(489)49x-43x-1.6=5.6(490)8.5x-4.2x-3.9=26.2(491)7.4x+2x+4.7=61.1(492)7.5+x=12(493)2(10x-21)=158(494)x+56=83(495)6.4÷x=3.2(496)24x-1.7=10.3(497)4.8x=14.4(498)3.5x-1.2=16.3(499)22x-9×8=60(500)3.7x-3.1=11.7(501)x-7.2=1.3(502)6x=1.2(503)16x-2x=56(504)16-x=10(505)2.7÷x=0.9(506)16x-9x+23=58(507)(15x+37)÷11=17(508)96x+29x+3.5=103.5(509)38x-6x+4.5=36.5(510)115-8x=27(511)4.5+47x=13.9(512)4(0.6x+1.1)=21.2(513)96x-10=182(514)85x+13x+0.7=39.9(515)(10x+14)÷2=22(516)97-x=41(517)4x+12x-6=218(518)14x-3x+31=130(519)0.5x+3.9×3=16.7(520)132÷x=33(521)x-2.6=3(522)2x-1.8x+0.3=5.5(523)(3x+5)÷4=9.5(524)3x+1.9=3.1(525)5x-5×19=85(526)10x-13×11=27(527)3x+4.6=13.9(528)3(11x+11)=99(529)(7x+16)÷12=6(530)(9x-45)÷12=6(531)46x+2.4=20.8(532)12(x+9)=156(533)33x+33=132(534)3(10x-33)=171(535)2x=12(536)31+3x=157(537)3.6x+4.2x-3.8=152.2(538)6.1x-2.9x-2.5=10.3(539)84÷x=2(540)4x-3×4=64参考答案(1)x=37(2)x=4(3)x=9(4)x=5(5)x=8(6)x=12(7)x=18(8)x=1.5(9)x=4(10)x=7(11)x=4.2(12)x=0.9(13)x=6(14)x=4(15)x=11(16)x=80(17)x=11(18)x=9.4(19)x=17(20)x=2.9(21)x=11(22)x=5.7(23)x=5(24)x=64(25)x=14(26)x=15(27)x=10(28)x=5(29)x=3.7(30)x=19(31)x=17(32)x=39(33)x=0.6(34)x=0.8(35)x=0.8(36)x=27(37)x=0.3(38)x=7(39)x=6(40)x=17(41)x=9(42)x=22(43)x=42(44)x=4(45)x=27(46)x=25(47)x=7(48)x=62(49)x=1.5(50)x=4.8(51)x=2(52)x=63(53)x=9(54)x=23(55)x=46(56)x=15(57)x=1.8(58)x=2.1(59)x=12(60)x=10(61)x=0.5(62)x=4(63)x=6(64)x=9(65)x=24(66)x=12(67)x=6.7(68)x=21(69)x=7(70)x=55(71)x=9(72)x=29(73)x=3(74)x=38(75)x=44(76)x=13(77)x=96(78)x=14(79)x=4.6(80)x=9(81)x=0.5(82)x=2(83)x=9(84)x=7.1(85)x=1.6(86)x=3.9(87)x=64(88)x=0.4(89)x=2(90)x=3(91)x=15(92)x=62(93)x=22(94)x=2(95)x=69(96)x=13(97)x=2.7(98)x=41(99)x=0.3(100)x=0.2(101)x=2(102)x=4(103)x=5(104)x=0.8(105)x=5(106)x=75(107)x=6(108)x=7.9(109)x=14(110)x=2.9(111)x=4(112)x=4(113)x=8.1(114)x=4.4(115)x=22(116)x=26(117)x=18(118)x=4(119)x=2(120)x=46(121)x=0.9(122)x=0.4(123)x=5(124)x=4(125)x=5(126)x=2(127)x=35(128)x=8(129)x=9(130)x=75(131)x=62(132)x=2.3(133)x=22(134)x=6(135)x=8(136)x=1.8(137)x=11(138)x=4.4(139)x=14(140)x=1.1(141)x=34(142)x=3(143)x=2(144)x=48(145)x=5(146)x=16(147)x=1.6(148)x=1.5(149)x=3(150)x=14(151)x=8(152)x=132(153)x=6(154)x=0.4(155)x=3(156)x=10(157)x=2(158)x=13(159)x=6(160)x=11(161)x=66(162)x=8(163)x=9(164)x=38(165)x=4.4(166)x=16(167)x=13(168)x=46(169)x=36(170)x=1.4(171)x=22(172)x=21(173)x=3.3(174)x=12(175)x=0.5(176)x=7(177)x=47(178)x=93(179)x=15(180)x=0.3(181)x=10(182)x=12(183)x=14(184)x=13(185)x=7(186)x=6(187)x=34(188)x=4.7(189)x=7(190)x=19(191)x=192(192)x=0.2(193)x=0.4(194)x=4.3(195)x=4(196)x=6(197)x=3(198)x=6.2(199)x=0.8(200)x=2(201)x=3(202)x=14(203)x=9(204)x=9(205)x=4(206)x=9(207)x=1.3(208)x=0.4(209)x=1.3(210)x=9(211)x=9.8(212)x=5(213)x=13(214)x=8(215)x=2.5(216)x=6(217)x=90(218)x=7(219)x=3(220)x=9(221)x=82(222)x=7(223)x=2.3(224)x=6(225)x=6(226)x=9(227)x=2(228)x=18(229)x=7(230)x=3(231)x=2(232)x=18(233)x=98(234)x=2(235)x=0.4(236)x=35(237)x=2(238)x=2.5(239)x=0.4(240)x=0.3(241)x=18.6(242)x=3(243)x=9(244)x=8.6(245)x=8(246)x=11(247)x=10(248)x=10(249)x=120(250)x=0.3(251)x=11(252)x=10(253)x=2(254)x=1.7(255)x=4(256)x=12(257)x=3.5(258)x=38(259)x=30(260)x=28(261)x=0.5(262)x=14(263)x=5.2(264)x=7(265)x=15.2(266)x=4(267)x=1(268)x=50(269)x=6(270)x=2(271)x=15(272)x=24(273)x=6(274)x=87(275)x=5.8(276)x=0.5(277)x=9(278)x=0.6(279)x=6(280)x=5(281)x=8.4(282)x=6.5(283)x=6(284)x=1.3(285)x=90(286)x=7.2(287)x=9(288)x=66(289)x=2.3(290)x=2(291)x=0.5(292)x=8.7(293)x=36(294)x=6(295)x=48(296)x=14(297)x=8(298)x=6(299)x=2(300)x=0.7(301)x=5(302)x=66(303)x=1.2(304)x=5(305)x=11(306)x=41(307)x=1.1(308)x=4(309)x=0.3(310)x=1.8(311)x=8(312)x=12(313)x=6(314)x=3(315)x=2(316)x=170(317)x=3.1(318)x=2(319)x=33(320)x=7(321)x=1.9(322)x=0.6(323)x=23(324)x=98(325)x=6(326)x=15(327)x=3(328)x=18(329)x=41(330)x=0.2(331)x=11(332)x=34(333)x=1.5(334)x=13(335)x=19(336)x=3.6(337)x=3.2(338)x=18(339)x=21(340)x=21(341)x=6(342)x=4(343)x=4(344)x=56(345)x=1(346)x=31(347)x=0.7(348)x=0.2(349)x=21(350)x=4(351)x=7.7(352)x=4(353)x=4(354)x=5(355)x=20(356)x=5.6(357)x=30(358)x=2(359)x=54(360)x=2.1(361)x=17(362)x=2(363)x=9(364)x=38(365)x=57(366)x=4.2(367)x=16(368)x=10(369)x=53(370)x=22(371)x=1.6(372)x=1.1(373)x=38(374)x=7(375)x=2(376)x=45(377)x=3(378)x=21(379)x=0.4(380)x=5(381)x=17(382)x=12(383)x=4(384)x=15(385)x=8.7(386)x=186(387)x=0.2(388)x=2(389)x=2(390)x=8(391)x=11.1(392)x