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)(9x+23)÷25=11(2)13x-9x+31=87(3)10x+6x+16=48(4)8x÷52=2(5)25x÷50=2(6)4.5x-1.3x=19.2(7)5x-31=64(8)58x+4.4=21.8(9)17x-4x+42=107(10)0.2x+0.9×2=4.4(11)2(1.4x+6.5)=27(12)16x=80(13)27x+2×51=264(14)5+x=6.5(15)18.2÷x=2.6(16)36x÷48=0.3(17)8.8÷x=2.2(18)17.1-2.4x=2.7(19)76-x=35(20)7.8-0.2x=6.4(21)149+22x=237(22)7(0.2x+1.1)=24.5(23)7x=98(24)3x-5.1=6.6(25)9.5x-5x=18(26)18x+59×2=154(27)8x-6x=34(28)3.7x-0.4×22=9.7(29)10x-7x+2.4=12.9(30)32x-9×1.9=2.1(31)x-3.2=5.1(32)8x-4x=56(33)11x-5×0.8=9.2(34)x-65=27(35)27x+10x-4.7=87.8(36)68x+2x-4.3=51.7(37)(3.7x-8.6)÷15=1.4(38)53-4x=33(39)2.7÷x=0.3(40)171÷x=9(41)8x+4x+41=65(42)4.3x-1.3×4=12(43)96-x=33(44)8.2-x=3.7(45)2(0.2x+3.1)=13.4(46)0.4x-5.2=5.6(47)4.9-x=1.8(48)4.2x+5.6x=39.2(49)78+88x=254(50)2(2x+44)=164(51)8x-1.6=16(52)0.4x=2.8(53)34x+5x-1.2=100.2(54)20x-8x+3.3=15.3(55)17x+12x=58(56)10x+2×18=176(57)6.7x-1.7x-0.9=49.1(58)4x÷2=2.2(59)x÷11=5(60)x+9.4=10.4(61)3x-5×8=20(62)8.6-x=3.2(63)9x+96x+4.4=35.9(64)4.2x-1.3x-1.9=50.3(65)0.4x+7x=22.2(66)15x+5×39=360(67)4(9.2x-6)=49.6(68)85+x=156(69)9.6-x=4.3(70)8.3x+6x+0.4=114.8(71)2.5+x=10.3(72)8x-3×30=62(73)x+6.1=15.2(74)x+6=86(75)4x+18x=132(76)143+19x=219(77)8(x+15)=160(78)2(x+16)=94(79)2x+27=211(80)1.1+x=9.5(81)0.5+x=7.6(82)0.2x÷3=1.6(83)166-4x=34(84)x+50=137(85)20+x=68(86)9.3+1.3x=28.8(87)133-5x=73(88)8x+9x+32=236(89)12x-3x-42=102(90)0.8x+3.1×5=29.1(91)4.2x-3.3x+1.2=21.9(92)19x-13x-30=12(93)9x-2x-17=74(94)(3x+33)÷28=3(95)0.5x-2.1=2.4(96)9.4x-7.4x-4.6=7.4(97)x÷16=6(98)105-16x=25(99)3x+58=109(100)0.8x÷40=0.5(101)41x+49x-1.5=88.5(102)x÷4=0.6(103)16x-1.1=16.5(104)x-1.7=5.8(105)98x-69x-4.1=1.7(106)0.2x+2.4=19(107)86x÷4=4.3(108)10x-43=47(109)2.5x-2.3x-3.5=3.1(110)x-3.9=5.9(111)3(6x+9)=81(112)7x=19.6(113)2x÷29=0.6(114)29+24x=197(115)94x+78x-0.3=34.1(116)2x+4x+49=271(117)39x=156(118)x÷2=3.1(119)11x-8×5=70(120)2.9x+2.6x-4.5=61.5(121)11x+5x-35=253(122)14.4-0.4x=13.2(123)15x+31x+0.3=32.5(124)2x+4.5=6.7(125)9.6+8x=27.2(126)2x-3.6=9(127)9x-50=112(128)4(6x-10)=176(129)2(0.2x+6.8)=30(130)15x-17=13(131)3.1x+1.9x=85(132)11x+10x+35=119(133)5.1+32x=14.7(134)7.2-x=2.4(135)8÷x=0.4(136)25x=100(137)43x-34=138(138)7.2x-5.3x+4.8=20(139)6x÷96=0.2(140)3x+46×0.2=10.4(141)1.1x-0.6×22=2.2(142)3(x-5)=102(143)1.8÷x=0.2(144)1.1x-4.4=12.1(145)0.2x=16.8(146)(10x+6)÷4=59(147)9.3x-1.5x=70.2(148)x+17=57(149)7x÷35=5(150)3.6x-1.4x=39.6(151)9.5-2x=5.3(152)5x-2x-26=19(153)33x=13.2(154)(5x-34)÷21=1(155)21x+3×66=387(156)3x-4×34=44(157)(14x+20)÷2=136(158)2.3x-0.5x+2.4=29.4(159)5+0.8x=14.6(160)(5.7x-4.3)÷4=3.2(161)7.7x+8.3x+1.9=33.9(162)31x-7x-2.4=9.6(163)18.4+2x=28.6(164)16x-2x=42(165)2x÷4=4.9(166)83x-55=111(167)x÷25=0.6(168)1.3x-1.9×7=6.2(169)9x+11x-16=304(170)46x+4.9=14.1(171)x+44=49(172)15x=12(173)x+6.8=15.6(174)50-x=33(175)7(19x-20)=126(176)(10x-22)÷2=34(177)89+x=160(178)85x+67x+2.3=93.5(179)5÷x=0.2(180)35x+2×2.5=12(181)120÷x=2(182)0.5x+1.2×8=15.1(183)(12x-26)÷11=14(184)x-36=50(185)x÷78=0.2(186)80÷x=10(187)7(0.3x+0.4)=7(188)6x÷18=3(189)11x-6x+14=74(190)18x-7x=44(191)12÷x=3(192)16x-5x+8=85(193)(5.3x-2.1)÷5=12.3(194)(6.6x+9.6)÷2=37.8(195)19x+10x-11=192(196)1x=3(197)58x+5.6=17.2(198)17.2-32x=1.2(199)x+71=117(200)3.9x+5.5x-3.7=146.7(201)(3.1x+6.9)÷27=0.6(202)8.2x+5.2=21.6(203)14.2-0.6x=2.2(204)8.6+x=8.9(205)3x+0.5x=91(206)5.3x+6.5x+2.8=109(207)2(0.8x-1.5)=40.2(208)19x-24×4=18(209)5.7x+2.3x+3.8=91.8(210)65x-54x+3.1=15.2(211)6x+4x+49=219(212)20x+38=178(213)10x+18x-43=41(214)17.3+1.5x=26.3(215)x+35=66(216)14x-10x+45=93(217)5.4x-4.1x=2.6(218)6x+10x-42=22(219)7.4+3x=16.4(220)2.6x+0.3×7=7.3(221)48x=144(222)2.6x÷65=0.2(223)(6.7x-3.7)÷5=14(224)3x=42(225)2.9x+0.7x+0.5=7.7(226)2x+2.2=15(227)79-x=16(228)4x+3x=336(229)7(2x+6)=168(230)19x-3×0.5=2.3(231)40x+2.2=10.2(232)8x+9x=374(233)91x-41x+3.3=18.3(234)4.6x=13.8(235)6x-3.4=2(236)4x+1.7x+0.3=63(237)(6x+30)÷44=3(238)1x-2.2=10.8(239)11.7+2x=26.5(240)(x+37)÷4=15(241)2(3x+34)=164(242)85x-54x+4.1=16.5(243)3.2x-1.3x+2.3=28.9(244)x-1.6=1.7(245)x+5.2=9(246)19x-9x-3=47(247)(3.2x-1.2)÷2=13.8(248)14x=140(249)1.5x+4.7=22.7(250)2(5.2x-4.5)=11.8(251)6(x+17)=114(252)13-4x=4.6(253)11(23x-28)=198(254)3.9x+6.9x-2.8=40.4(255)61x+66x-4.2=135.5(256)0.4x+5.6=20(257)17.2-17x=8.7(258)5x-2x-25=35(259)7x-15×0.8=5.5(260)53x-2x-0.5=30.1(261)x+7.9=11(262)x-48=20(263)0.5x+2.9x=68(264)12x-27×3=51(265)0.8x÷4=4.6(266)41-x=24(267)19.9-2x=13.9(268)0.8x-0.6x=8.4(269)5x÷9=1(270)21x+2×4.7=24.1(271)14x+13=139(272)96+x=144(273)3.4x+5.8x-0.3=156.1(274)10x-5x+45=90(275)8x-8×0.4=15.2(276)30x+49×0.2=27.8(277)5.4÷x=0.9(278)3x=3.3(279)13(x-4.4)=46.8(280)x÷3=3(281)8x=96(282)3+6.2x=15.4(283)7.2+x=15.8(284)(8.1x-8.3)÷10=1.6(285)14+x=23(286)33x-25x-2.6=14.2(287)6.3x÷9=1.4(288)11x-7x-15=41(289)x+3.6=10.6(290)x÷7=1(291)89x-49x-3.3=28.7(292)4x=13.6(293)7.9x+9x+0.5=51.2(294)(3x-19)÷7=5(295)3x+10=157(296)86+x=158(297)15x÷25=6(298)x+32=120(299)(6.6x+5.1)÷37=2.1(300)(9.3x+8.5)÷28=1.3(301)5x+12x=221(302)2x=150(303)5x+17=72(304)7(0.4x-1.6)=28(305)6(1.4x+1.8)=36(306)x-67=26(307)7x-6x+1=9(308)(5x-19)÷23=2(309)164÷x=4(310)26x=7.8(311)14.3-3.2x=4.7(312)6.6-x=4.6(313)188-3x=32(314)x+1.5=9.6(315)11x+5.2=8.5(316)(1.6x+6.1)÷9=2.1(317)94x-70x-1.8=12.6(318)5x+3x-4.6=107.4(319)30x÷25=6(320)9x-2.4=3(321)(10x-44)÷9=4(322)(14x+18)÷40=5(323)37x-28x+3.5=19.7(324)x÷3=21(325)x+77=85(326)6.1-2x=3.7(327)8.2x+9.4x-2.1=85.9(328)x-2.3=4.1(329)8.1+7x=12.3(330)6(2x-29)=162(331)81÷x=3(332)7x+6.7x+2.1=180.2(333)16x+24×0.6=33.6(334)116-2x=34(335)29x+36x-4=61(336)87+6x=135(337)3.7x+2.6x=170.1(338)0.3x+3.7=11.2(339)48x-31x+1.2=19.9(340)0.4x-0.5×20=8(341)0.4x÷7=2.8(342)11(0.9x-7.7)=44(343)3x+51x+4.4=42.2(344)0.2x-0.8×5=5.8(345)26x÷52=2(346)137-3x=38(347)x÷16=11(348)6.9x-5.8x-0.9=12.3(349)x+47=134(350)13.1-2.2x=8.7(351)11x-5x=42(352)(5.9x-6)÷7=10.1(353)x÷30=4(354)33x+41x+1.9=16.7(355)15x-7x=32(356)x÷24=0.7(357)10x+2×1.1=17.2(358)3x-2.5=5.6(359)13.2-35x=2.7(360)(5x+39)÷37=2(361)109+3x=253(362)11x+2×93=351(363)x÷22=5(364)90x+97x+1.4=188.4(365)2x+4x-35=253(366)68x+60x+3.6=29.2(367)15x+18x+3.5=59.6(368)6x-5×13=109(369)17.9-41x=5.6(370)5.7x-0.6x+3=74.4(371)3.1x+1×4=22.6(372)4.2x-2.4x=23.4(373)2(10x+6)=92(374)2x+50×3=330(375)15x-8x=91(376)5x=15(377)1.3x+0.9×14=15.2(378)15.9+0.4x=24.3(379)3.9x-1.7×4=1(380)9(7.2x-9.7)=42.3(381)14+11x=27.2(382)2.5x-0.5x-3=69(383)13x+5.8=20.1(384)45+x=109(385)(4.7x+0.3)÷15=1.9(386)31x-23x-0.7=2.5(387)3.3x-3x-1.1=6.1(388)39÷x=13(389)7.5+0.2x=21.7(390)2.1x+0.3×42=18.9(391)5.9x-2.8x+1.3=32.3(392)4x=10(393)8x+5×30=326(394)x-0.9=6.7(395)9.6x+5.4x-4.9=85.1(396)7.9+x=13.8(397)88÷x=4(398)4x+0.5×24=28(399)11x-8x+27=54(400)15x+2×1.4=17.8(401)26x÷14=1.3(402)2x-15×9=57(403)93+x=126(404)x-6.9=2.4(405)0.6x-2.1×3=13.5(406)0.8x÷68=0.2(407)3.2x÷48=0.2(408)(16x-7)÷3=35(409)14x-3x-40=103(410)9.2x+2.2x=102.6(411)56x-49x-0.5=3.7(412)x+1.3=11.1(413)x-16=68(414)2x÷6=26(415)117+5x=227(416)3(3x-6)=81(417)96x÷32=6(418)1.1x=4.4(419)70x-5.7=8.3(420)0.7x+2.5=13.7(421)2x÷30=0.4(422)33x+15×0.8=18.6(423)3(0.2x+1.1)=12.9(424)7x-11×0.2=8.3(425)2x+8x-7=43(426)2.8x+1.8x=156.4(427)3.2x+2.9x=91.5(428)x÷3=4.8(429)4x-2x-18=74(430)(9x-39)÷11=12(431)5.5+0.4x=14.7(432)10x-7x=51(433)8(16x-10)=176(434)(12x-6)÷19=6(435)11(2.5x-5.7)=19.8(436)0.2x-1.2=4.8(437)4x=8(438)(7.9x+7.3)÷3=15.6(439)x-22=36(440)5.8x-1.9x-4.8=6.9(441)(8.7x-0.2)÷14=6.2(442)10x+5x+21=291(443)7.5x-3.7x-3.4=8(444)6.2+x=9.7(445)14-0.6x=8(446)0.9x+1.1×14=20.8(447)4.2x=12.6(448)3.3-x=1.3(449)85x+29x+4=26.8(450)4x+57=101(451)12.1-0.4x=8.5(452)7x+4x+23=320(453)68-x=49(454)27x-22=113(455)6.8x+4.5x-2.5=144.4(456)(2.2x+3.4)÷26=0.3(457)19.2+2.5x=36.7(458)0.8x+3.9=7.9(459)0.4x-2.5=13.9(460)18x+11x-18=272(461)12x+7x=38(462)7x-2x+17=152(463)4÷x=1(464)4x-2×48=44(465)7.7x-5.9x=5.4(466)18x-10x=64(467)2x+1.9=6.3(468)7x+51=114(469)17x+5x=88(470)(7x-7.2)÷2=27.9(471)11+8x=22.2(472)1.6x=4.8(473)1.5x-0.9x+1.9=41.5(474)2+31x=17.5(475)8.8-x=7.3(476)81+x=145(477)10.7-2x=3.9(478)9.7x-9.3x+3.5=6.7(479)50x-30=170(480)1.9+x=3.2(481)0.2x-1.6=10.8(482)27x-30=51(483)11.6+16x=14.8(484)1.4x+1.9x+2.1=111(485)5x-2×2.1=14.8(486)10x+11x=294(487)158-11x=81(488)19-x=16(489)164+2x=176(490)44x-32x-3.8=8.2(491)14x-10×0.5=9(492)83-x=17(493)5(3x-44)=125(494)2(0.2x+4.1)=27.4(495)x÷5=7(496)x-37=10(497)x-5=92(498)11x-4x+10=80(499)148+4x=212(500)2x-3.3=1.9(501)x-7.9=1(502)16(11x-45)=160(503)(7x+5)÷6=30(504)17(3.3x-8.9)=17(505)9-x=2.9(506)4÷x=0.2(507)1.2x÷36=0.5(508)0.2x+5.3=6.5(509)16x-4×0.6=7.2(510)13x+12×16=309(511)x+0.2=8.8(512)3x=2.1(513)4.9x-0.7x=8.4(514)68x+70x-2.5=149.3(515)16x+22x-3.5=49.7(516)(3.8x+6.4)÷2=31.7(517)34x+9×0.2=8.6(518)2(x+33)=140(519)x-55=41(520)3(0.3x+2.2)=39.9(521)196-15x=136(522)x-0.2=2.2(523)6x+20=212(524)49x-18x+2.5=36.6(525)4.9x+2.5=12.3(526)39x-16x+0.3=18.7(527)0.7x-0.4×26=4.3(528)13-2x=7.4(529)3.1x+8.1x-2.5=64.7(530)x÷5=33(531)4.8x=9.6(532)0.3x-4.8=11.1(533)3x+8x+18=62(534)9x+5x=84(535)130÷x=26(536)1x-5=4(537)73-x=59(538)6x+10x-17=207(539)x÷20=7(540)x÷31=0.3参考答案(1)x=28(2)x=14(3)x=2(4)x=13(5)x=4(6)x=6(7)x=19(8)x=0.3(9)x=5(10)x=13(11)x=5(12)x=5(13)x=6(14)x=1.5(15)x=7(16)x=0.4(17)x=4(18)x=6(19)x=41(20)x=7(21)x=4(22)x=12(23)x=14(24)x=3.9(25)x=4(26)x=2(27)x=17(28)x=5(29)x=3.5(30)x=0.6(31)x=8.3(32)x=14(33)x=1.2(34)x=92(35)x=2.5(36)x=0.8(37)x=8(38)x=5(39)x=9(40)x=19(41)x=2(42)x=4(43)x=63(44)x=4.5(45)x=18(46)x=27(47)x=3.1(48)x=4(49)x=2(50)x=19(51)x=2.2(52)x=7(53)x=2.6(54)x=1(55)x=2(56)x=14(57)x=10(58)x=1.1(59)x=55(60)x=1(61)x=20(62)x=5.4(63)x=0.3(64)x=18(65)x=3(66)x=11(67)x=2(68)x=71(69)x=5.3(70)x=8(71)x=7.8(72)x=19(73)x=9.1(74)x=80(75)x=6(76)x=4(77)x=5(78)x=31(79)x=92(80)x=8.4(81)x=7.1(82)x=24(83)x=33(84)x=87(85)x=48(86)x=15(87)x=12(88)x=12(89)x=16(90)x=17(91)x=23(92)x=7(93)x=13(94)x=17(95)x=9(96)x=6(97)x=96(98)x=5(99)x=17(100)x=25(101)x=1(102)x=2.4(103)x=1.1(104)x=7.5(105)x=0.2(106)x=83(107)x=0.2(108)x=9(109)x=33(110)x=9.8(111)x=3(112)x=2.8(113)x=8.7(114)x=7(115)x=0.2(116)x=37(117)x=4(118)x=6.2(119)x=10(120)x=12(121)x=18(122)x=3(123)x=0.7(124)x=1.1(125)x=2.2(126)x=6.3(127)x=18(128)x=9(129)x=41(130)x=2(131)x=17(132)x=4(133)x=0.3(134)x=4.8(135)x=20(136)x=4(137)x=4(138)x=8(139)x=3.2(140)x=0.4(141)x=14(142)x=39(143)x=9(144)x=15(145)x=84(146)x=23(147)x=9(148)x=40(149)x=25(150)x=18(151)x=2.1(152)x=15(153)x=0.4(154)x=11(155)x=9(156)x=60(157)x=18(158)x=15(159)x=12(160)x=3(161)x=2(162)x=0.5(163)x=5.1(164)x=3(165)x=9.8(166)x=2(167)x=15(168)x=15(169)x=16(170)x=0.2(171)x=5(172)x=0.8(173)x=8.8(174)x=17(175)x=2(176)x=9(177)x=71(178)x=0.6(179)x=25(180)x=0.2(181)x=60(182)x=11(183)x=15(184)x=86(185)x=15.6(186)x=8(187)x=2(188)x=9(189)x=12(190)x=4(191)x=4(192)x=7(193)x=12(194)x=10(195)x=7(196)x=3(197)x=0.2(198)x=0.5(199)x=46(200)x=16(201)x=3(202)x=2(203)x=20(204)x=0.3(205)x=26(206)x=9(207)x=27(208)x=6(209)x=11(210)x=1.1(211)x=17(212)x=7(213)x=3(214)x=6(215)x=31(216)x=12(217)x=2(218)x=4(219)x=3(220)x=2(221)x=3(222)x=5(223)x=11(224)x=14(225)x=2(226)x=6.4(227)x=63(228)x=48(229)x=9(230)x=0.2(231)x=0.2(232)x=22(233)x=0.3(234)x=3(235)x=0.9(236)x=11(237)x=17(238)x=13(239)x=7.4(240)x=23(241)x=16(242)x=0.4(243)x=14(244)x=3.3(245)x=3.8(246)x=5(247)x=9(248)x=10(249)x=12(250)x=2(251)x=2(252)x=2.1(253)x=2(254)x=4(255)x=1.1(256)x=36(257)x=0.5(258)x=20(259)x=2.5(260)x=0.6(261)x=3.1(262)x=68(263)x=20(264)x=11(265)x=23(266)x=17(267)x=3(268)x=42(269)x=1.8(270)x=0.7(271)x=9(272)x=48(273)x=17(274)x=9(275)x=2.3(276)x=0.6(277)x=6(278)x=1.1(279)x=8(280)x=9(281)x=12(282)x=2(283)x=8.6(284)x=3(285)x=9(286)x=2.1(287)x=2(288)x=14(289)x=7(290)x=7(291)x=0.8(292)x=3.4(293)x=3(294)x=18(295)x=49(296)x=72(297)x=10(298)x=88(299)x=11(300)x=3(301)x=13(302)x=75(303)x=11(304)x=14(305)x=3(306)x=93(307)x=8(308)x=13(309)x=41(310)x=0.3(311)x=3(312)x=2(313)x=52(314)x=8.1(315)x=0.3(316)x=8(317)x=0.6(318)x=14(319)x=5(320)x=0.6(321)x=8(322)x=13(323)x=1.8(324)x=63(325)x=8(326)x=1.2(327)x=5(328)x=6.4(329)x=0.6(330)x=28(331)x=27(332)x=13(333)x=1.2(334)x=41(335)x=1(336)x=8(337)x=27(338)x=25(339)x=1.1(340)x=45(341)x=49(342)x=13(343)x=0.7(344)x=49(345)x=4(346)x=33(347)x=176(348)x=12(349)x=87(350)x=2(351)x=7(352)x=13(353)x=120(354)x=0.2(355)x=4(356)x=16.8(357)x=1.5(358)x=2.7(359)x=0.3(360)x=7(361)x=48(362)x=15(363)x=110(364)x=1(365)x=48(366)x=0.2(367)x=1.7(368)x=29(369)x=0.3(370)x=14(371)x=6(372)x=13(373)x=4(374)x=90(375)x=13(376)x=3(377)x=2(378)x=21(379)x=2(380)x=2(381)x=1.2(382)x=36(383)x=1.1(384)x=64(385)x=6(386)x=0.4(387)x=24(388)x=3(389)x=71(390)x=3(391)x=10(392)x=2.5(393)x=2