五年级数学(方程)专项练习题及答案

五年级数学(方程)专项练习题及答案(1)x+86=132(2)x+71=123(3)x+3=23(4)x+74=114(5)x+60=135(6)x+19=70(7)x+63=117(8)x+52=60(9)x+25=76(10)x-57=21(11)x-41=10(12)x-18=54(13)x-10=43(14)x-11=11(15)x-3=84(16)x-20=29(17)x-49=46(18)x-43=22(19)x+4.6=5.6(20)x+9.7=11(21)x+4.3=7.6(22)x+2.8=5.1(23)x+5.5=7.6(24)x+7.4=17.1(25)x+2.9=4.9(26)x+8.3=15.8(27)x+6.5=14(28)x-6.5=1.2(29)x-4.5=1.2(30)x-1.7=6.2(31)x-0.9=1.8(32)x-3.6=2.6(33)x-3.6=3.6(34)x-6.4=1.6(35)x-0.4=6.4(36)x-2.3=7(37)99+x=179(38)47+x=82(39)34+x=61(40)31+x=84(41)20+x=52(42)63+x=118(43)57+x=140(44)11+x=76(45)55+x=118(46)81-x=47(47)42-x=29(48)61-x=50(49)84-x=46(50)94-x=28(51)32-x=29(52)51-x=42(53)58-x=26(54)54-x=30(55)8.5+x=10.6(56)9.5+x=13.7(57)5.9+x=11.6(58)0.9+x=2.8(59)4.7+x=8(60)8.8+x=14.2(61)9.9+x=13.3(62)0.8+x=7.5(63)6.9+x=14.3(64)4.4-x=4(65)9.9-x=3.8(66)9.5-x=8.5(67)5.1-x=1(68)6.5-x=1.5(69)6.8-x=3.3(70)7.7-x=5.1(71)8.1-x=6.4(72)8.9-x=1.1(73)22x=198(74)4x=124(75)33x=99(76)37x=74(77)53x=106(78)73x=146(79)19x=57(80)5x=35(81)2x=88(82)3.7x=18.5(83)2.6x=5.2(84)0.3x=6(85)0.5x=18(86)1.3x=9.1(87)1.7x=17(88)0.6x=1.2(89)2x=4(90)5.1x=10.2(91)39x=15.6(92)19x=7.6(93)39x=7.8(94)4x=5.6(95)11x=13.2(96)2x=16(97)15x=3(98)3x=7.8(99)40x=20(100)192÷x=3(101)36÷x=6(102)25÷x=5(103)128÷x=32(104)187÷x=17(105)88÷x=2(106)188÷x=47(107)160÷x=32(108)24÷x=6(109)11.2÷x=1.4(110)18.9÷x=0.7(111)8.2÷x=0.2(112)15.6÷x=0.4(113)10.2÷x=0.6(114)15÷x=0.6(115)18.2÷x=0.2(116)2.7÷x=0.3(117)6.3÷x=0.9(118)x÷23=6(119)x÷5=16(120)x÷3=17(121)x÷7=19(122)x÷10=2(123)x÷2=21(124)x÷4=47(125)x÷30=3(126)x÷11=13(127)x÷3=1.8(128)x÷19=0.8(129)x÷37=0.3(130)x÷12=0.9(131)x÷41=0.2(132)x÷10=1.4(133)x÷7=1.1(134)x÷4=1.1(135)x÷98=0.2(136)28x+12=180(137)26x+37=89(138)15x+18=63(139)12x+11=155(140)12x+50=74(141)3x+33=186(142)3x+35=221(143)34x+17=119(144)5x+47=97(145)19x-22=35(146)2x-48=152(147)33x-29=70(148)2x-39=161(149)3x-13=125(150)18x-29=133(151)4x-57=107(152)8x-30=162(153)37x-48=100(154)32x+5.6=21.6(155)11x+4.5=16.6(156)11x+1=6.5(157)14x+1.6=4.4(158)100x+3.2=23.2(159)12x+2.6=7.4(160)3x+5.5=10.3(161)97x+4.5=23.9(162)9x+3.2=23(163)0.8x+1.3=2.9(164)1.8x+5.2=17.8(165)0.3x+2.5=17.8(166)0.3x+5.8=24.4(167)0.3x+4.4=8.6(168)0.2x+3.6=19.8(169)2.9x+5=19.5(170)0.2x+3.1=22.1(171)1.3x+4.2=19.8(172)89x-3.9=13.9(173)36x-5.2=12.8(174)4x-2.7=10.1(175)39x-1.6=10.1(176)13x-3.5=12.1(177)5x-4.5=10(178)3x-1.3=5.3(179)14x-4=1.6(180)2x-5.4=12.6(181)1.7x-1.5=12.1(182)0.2x-3=5.4(183)0.5x-1.2=10.3(184)0.5x-1.1=2.9(185)4.4x-3.9=13.7(186)2.4x-5.2=9.2(187)5.5x-5.5=11(188)2.4x-2.8=6.8(189)3.3x-3.9=6(190)193+5x=333(191)66+4x=98(192)73+4x=265(193)11+6x=23(194)198+3x=270(195)60+50x=160(196)25+60x=145(197)31+8x=55(198)133+3x=295(199)134-47x=40(200)155-2x=149(201)158-3x=26(202)170-65x=40(203)170-18x=134(204)115-4x=95(205)129-6x=117(206)105-47x=11(207)125-45x=35(208)14+2.1x=26.6(209)10.9+0.2x=23.5(210)1.8+0.2x=20.4(211)5.8+0.4x=7.4(212)15.2+4.5x=33.2(213)8.4+1.3x=12.3(214)10.8+0.2x=22.6(215)4.3+2.7x=9.7(216)15.4+4.3x=32.6(217)3.2+3x=9.5(218)9.7+9x=23.2(219)8.8+25x=13.8(220)8.6+21x=14.9(221)10.3+3x=29.2(222)10.8+30x=16.8(223)6.9+3x=7.8(224)1.9+24x=6.7(225)4.6+21x=21.4(226)8.2-3.4x=1.4(227)5.9-0.9x=1.4(228)19.7-1.7x=1(229)9.3-0.4x=7.7(230)14.4-0.5x=11.9(231)11.3-1.1x=5.8(232)17.5-1.8x=1.3(233)18.7-0.6x=9.7(234)12.4-0.7x=3.3(235)9-10x=1(236)11-8x=6.2(237)6.5-3x=1.1(238)15-11x=12.8(239)17.6-22x=6.6(240)16.8-20x=4.8(241)17-31x=4.6(242)16-7x=12.5(243)9-2x=1(244)5x÷80=2(245)50x÷40=5(246)4x÷10=14(247)21x÷7=6(248)9x÷18=11(249)2x÷4=44(250)2x÷3=36(251)2x÷54=3(252)81x÷18=9(253)0.2x÷44=0.4(254)0.7x÷35=0.5(255)1.1x÷44=0.3(256)0.7x÷4=1.4(257)1.5x÷10=1.2(258)0.6x÷10=0.9(259)0.4x÷12=1.3(260)3.6x÷18=0.6(261)0.2x÷4=4.5(262)3x÷5=3.6(263)66x÷11=1.8(264)10x÷65=0.2(265)9x÷51=0.3(266)4x÷14=0.6(267)4x÷8=0.6(268)16x÷8=0.4(269)2x÷6=0.8(270)20x÷90=0.2(271)16x+4x=160(272)5x+6x=198(273)2x+8x=210(274)16x+13x=232(275)9x+6x=45(276)16x+12x=252(277)4x+5x=306(278)7x+5x=324(279)12x+4x=240(280)9x-7x=28(281)8x-5x=33(282)7x-5x=36(283)16x-13x=21(284)8x-2x=24(285)9x-7x=20(286)17x-11x=12(287)16x-12x=44(288)15x-9x=18(289)2.5x+2.2x=47(290)0.8x+5.6x=76.8(291)4.6x+4.9x=142.5(292)3.7x+7x=149.8(293)2.1x+1.3x=98.6(294)6.5x+8.8x=153(295)2.6x+7.7x=123.6(296)2.2x+7.4x=115.2(297)4.5x+2.1x=39.6(298)8.5x-1.8x=67(299)3.2x-0.5x=67.5(300)5.7x-2.5x=35.2(301)4.3x-1.3x=21(302)3.7x-2.4x=5.2(303)0.4x-0.2x=1.8(304)1.3x-1x=11.4(305)4.1x-1.9x=24.2(306)5.5x-2.6x=46.4(307)2x+3x+10=175(308)12x+2x+27=111(309)5x+14x+22=98(310)7x+2x+22=274(311)19x+9x+28=140(312)8x+11x+16=73(313)17x+16x+10=274(314)12x+7x+39=210(315)19x+3x+10=208(316)6x+5x-4=205(317)12x+2x-23=159(318)7x+10x-37=167(319)11x+17x-23=257(320)9x+11x-10=230(321)8x+13x-11=199(322)15x+8x-25=21(323)10x+8x-9=315(324)17x+11x-7=77(325)12x-9x+19=40(326)11x-8x+17=53(327)18x-10x+23=71(328)17x-15x+11=33(329)5x-2x+46=58(330)11x-3x+34=90(331)5x-2x+21=57(332)11x-3x+20=156(333)18x-5x+29=172(334)13x-4x-28=71(335)19x-14x-13=12(336)7x-2x-12=93(337)9x-2x-20=64(338)5x-2x-9=39(339)17x-7x-16=44(340)11x-8x-17=19(341)17x-10x-7=28(342)9x-4x-46=59(343)1.5x+1.7x+2.8=44.4(344)4.7x+3.1x+1.1=32.3(345)5x+2x+3.3=31.3(346)4.7x+2.7x+0.3=59.5(347)2x+1.9x+3=88.8(348)2.9x+2.5x+3.8=84.8(349)7.2x+4.6x+1.8=155.2(350)7.4x+6.6x+0.3=112.3(351)2.7x+3.8x+4.5=134.5(352)83x+77x+2.9=34.9(353)10x+13x+1.7=61.5(354)16x+81x+4.1=52.6(355)58x+26x+1.4=93.8(356)67x+63x+3.8=133.8(357)64x+95x+3.8=35.6(358)61x+5x+2.5=42.1(359)7x+12x+0.3=116.2(360)31x+27x+4.8=138.2(361)6.5x+7.2x-2.7=134.3(362)6.9x+3.1x-1.1=18.9(363)3.8x+9.1x-1.7=127.3(364)1.9x+0.4x-4.4=73.8(365)6.5x+3x-0.4=56.6(366)1.4x+3.5x-3.9=74.5(367)4.5x+3.1x-0.2=22.6(368)3.5x+4.7x-0.4=57(369)4.2x+8.1x-4.9=32(370)35x+38x-3.1=26.1(371)23x+94x-1.8=33.3(372)4x+9x-2.5=7.9(373)71x+15x-2.5=74.9(374)78x+50x-0.2=140.6(375)3x+17x-3.9=50.1(376)2x+38x-3.3=80.7(377)90x+93x-3.6=106.2(378)79x+15x-3.1=72.1(379)6.2x-1.1x+4.6=55.6(380)4x-1.9x+4.5=8.7(381)8.1x-5.5x+4.6=35.8(382)8.8x-1.6x+2.8=74.8(383)8.3x-3x+1.9=60.2(384)9.8x-2.4x+3.6=55.4(385)2x-1.1x+2=27.2(386)5.2x-1.1x+4.7=45.7(387)1.8x-1x+1.9=37.1(388)40x-23x+0.8=24.6(389)89x-51x+4.6=16(390)96x-39x+1.7=35.9(391)23x-10x+0.6=44.8(392)49x-32x+3.6=7(393)93x-69x+0.6=5.4(394)29x-24x+0.7=7.2(395)41x-5x+3.6=61.2(396)69x-60x+3.8=16.4(397)5.6x-5.2x-4.4=2(398)6.8x-0.6x-4.8=63.4(399)4.8x-3.4x-2.4=7.4(400)2.1x-1.3x-1.9=2.9(401)9.8x-0.8x-3.2=50.8(402)1.2x-0.3x-3.9=1.5(403)6x-3.7x-2.1=30.1(404)2.1x-1.6x-3.1=2.9(405)1.2x-0.5x-3.6=41.9(406)74x-20x-2.7=56.7(407)52x-24x-3.6=7.6(408)44x-9x-1.7=64.8(409)37x-2x-4.5=6(410)80x-51x-2.9=23.2(411)51x-42x-2.9=5.2(412)43x-16x-3.8=42.1(413)45x-25x-3.7=28.3(414)96x-21x-0.7=51.8(415)3x+56×2=229(416)14x+42×4=224(417)2x+2×79=190(418)29x+2×27=112(419)3x+6×15=195(420)14x+49×4=280(421)3x+10×17=263(422)29x+2×8=190(423)26x+93×2=316(424)3x-8×22=22(425)2x-2×41=66(426)10x-2×70=60(427)7x-2×22=33(428)4x-2×16=164(429)20x-3×22=74(430)13x-16×10=35(431)3x-2×51=36(432)13x-3×36=48(433)3.1x+1.7×5=17.8(434)1.1x+0.3×19=18.9(435)3.6x+0.3×44=27.6(436)0.3x+2.4×6=21.6(437)2x+1.6×10=24(438)2.1x+0.3×29=15(439)2.2x+0.4×15=23.6(440)1.5x+4.3×2=19.1(441)1x+1.4×8=17.2(442)5x+42×0.3=19.1(443)8x+21×0.7=22.7(444)12x+16×1.2=32.4(445)25x+2×1.9=8.8(446)4x+18×0.5=13.4(447)26x+11×1=24(448)7x+4×3.6=24.9(449)7x+7×2.1=24.5(450)32x+9×2.2=35.8(451)3.2x-0.7×10=9(452)4.8x-1.4×6=10.8(453)0.5x-0.3×41=3.7(454)2.3x-4.7×2=6.7(455)0.5x-1.1×6=12.9(456)0.4x-0.2×47=4.6(457)0.6x-1.2×6=11.4(458)3x-0.8×13=4.6(459)2.1x-1.1×10=3.7(460)28x-4×1.4=2.8(461)5x-3×1.2=6.4(462)11x-17×0.8=1.8(463)14x-8×1.2=7.2(464)6x-3×0.4=10.2(465)9x-6×0.3=13.5(466)3x-25×0.4=2(467)27x-8×1=10.9(468)4x-3×4.6=3.4(469)15(x+5)=165(470)2(2x+13)=134(471)4(7x+10)=152(472)2(9x+17)=106(473)2(5x+21)=162(474)3(7x+31)=156(475)2(6x+20)=148(476)2(x+17)=110(477)7(2x+18)=182(478)3(8x-13)=57(479)2(9x-46)=178(480)7(11x-33)=154(481)2(10x-42)=176(482)5(9x-8)=95(483)3(14x-22)=144(484)9(x-4)=153(485)2(7x-33)=74(486)6(3x-43)=102(487)5(0.5x+2.3)=49(488)3(3.2x+2)=34.8(489)5(0.3x+4.5)=36(490)4(0.8x+7.5)=42.8(491)2(1.4x+1.8)=45.6(492)5(0.2x+1.6)=47(493)3(0.4x+7.5)=47.7(494)4(2x+2.7)=34.8(495)3(0.7x+2.9)=21.3(496)9(0.8x-1.2)=39.6(497)9(1.7x-3.6)=13.5(498)5(0.6x-2.3)=33.5(499)3(0.9x-5.1)=38.7(500)23(0.2x-3.2)=41.4(501)2(0.7x-4.3)=40.4(502)5(7.1x-8.5)=28.5(503)6(4x-3.4)=27.6(504)3(0.6x-7.5)=24.3(505)(12x+24)÷15=20(506)(7x+43)÷8=22(507)(4x+44)÷3=32(508)(9x+7)÷37=7(509)(17x+37)÷3=69(510)(6x+6)÷26=3(511)(4x+36)÷2=42(512)(18x+16)÷13=22(513)(16x+28)÷4=43(514)(4x-47)÷33=1(515)(14x-6)÷25=2(516)(11x-33)÷11=22(517)(15x-9)÷2=93(518)(10x-34)÷2=63(519)(8x-6)÷6=35(520)(7x-30)÷2=27(521)(8x-35)÷21=1(522)(6x-21)÷7=15(523)(9.6x+5.5)÷13=1.9(524)(1.6x+2.5)÷15=0.7(525)(4.4x+3.4)÷3=24.6(526)(9.7x+5.6)÷26=3.2(527)(5.8x+2.4)÷2=12.8(528)(2.1x+5.9)÷37=0.5(529)(5.3x+1.2)÷9=7.2(530)(1.2x+5)÷2=4.9(531)(6x+9.8)÷2=22.9(532)(0.6x-5.1)÷39=0.1(533)(3.6x-2.7)÷3=20.7(534)(2.2x-1.1)÷11=2.3(535)(5.5x-3.4)÷9=3.9(536)(2.7x-0.5)÷4=1.9(537)(2.4x-6)÷12=2.9(538)(4.8x-6.6)÷15=3.4(539)(x-3)÷12=1(540)(x-1.2)÷12=0.4参考答案(1)x=46(2)x=52(3)x=20(4)x=40(5)x=75(6)x=51(7)x=54(8)x=8(9)x=51(10)x=78(11)x=51(12)x=72(13)x=53(14)x=22(15)x=87(16)x=49(17)x=95(18)x=65(19)x=1(20)x=1.3(21)x=3.3(22)x=2.3(23)x=2.1(24)x=9.7(25)x=2(26)x=7.5(27)x=7.5(28)x=7.7(29)x=5.7(30)x=7.9(31)x=2.7(32)x=6.2(33)x=7.2(34)x=8(35)x=6.8(36)x=9.3(37)x=80(38)x=35(39)x=27(40)x=53(41)x=32(42)x=55(43)x=83(44)x=65(45)x=63(46)x=34(47)x=13(48)x=11(49)x=38(50)x=66(51)x=3(52)x=9(53)x=32(54)x=24(55)x=2.1(56)x=4.2(57)x=5.7(58)x=1.9(59)x=3.3(60)x=5.4(61)x=3.4(62)x=6.7(63)x=7.4(64)x=0.4(65)x=6.1(66)x=1(67)x=4.1(68)x=5(69)x=3.5(70)x=2.6(71)x=1.7(72)x=7.8(73)x=9(74)x=31(75)x=3(76)x=2(77)x=2(78)x=2(79)x=3(80)x=7(81)x=44(82)x=5(83)x=2(84)x=20(85)x=36(86)x=7(87)x=10(88)x=2(89)x=2(90)x=2(91)x=0.4(92)x=0.4(93)x=0.2(94)x=1.4(95)x=1.2(96)x=8(97)x=0.2(98)x=2.6(99)x=0.5(100)x=64(101)x=6(102)x=5(103)x=4(104)x=11(105)x=44(106)x=4(107)x=5(108)x=4(109)x=8(110)x=27(111)x=41(112)x=39(113)x=17(114)x=25(115)x=91(116)x=9(117)x=7(118)x=138(119)x=80(120)x=51(121)x=133(122)x=20(123)x=42(124)x=188(125)x=90(126)x=143(127)x=5.4(128)x=15.2(129)x=11.1(130)x=10.8(131)x=8.2(132)x=14(133)x=7.7(134)x=4.4(135)x=19.6(136)x=6(137)x=2(138)x=3(139)x=12(140)x=2(141)x=51(142)x=62(143)x=3(144)x=10(145)x=3(146)x=100(147)x=3(148)x=100(149)x=46(150)x=9(151)x=41(152)x=24(153)x=4(154)x=0.5(155)x=1.1(156)x=0.5(157)x=0.2(158)x=0.2(159)x=0.4(160)x=1.6(161)x=0.2(162)x=2.2(163)x=2(164)x=7(165)x=51(166)x=62(167)x=14(168)x=81(169)x=5(170)x=95(171)x=12(172)x=0.2(173)x=0.5(174)x=3.2(175)x=0.3(176)x=1.2(177)x=2.9(178)x=2.2(179)x=0.4(180)x=9(181)x=8(182)x=42(183)x=23(184)x=8(185)x=4(186)x=6(187)x=3(188)x=4(189)x=3(190)x=28(191)x=8(192)x=48(193)x=2(194)x=24(195)x=2(196)x=2(197)x=3(198)x=54(199)x=2(200)x=3(201)x=44(202)x=2(203)x=2(204)x=5(205)x=2(206)x=2(207)x=2(208)x=6(209)x=63(210)x=93(211)x=4(212)x=4(213)x=3(214)x=59(215)x=2(216)x=4(217)x=2.1(218)x=1.5(219)x=0.2(220)x=0.3(221)x=6.3(222)x=0.2(223)x=0.3(224)x=0.2(225)x=0.8(226)x=2(227)x=5(228)x=11(229)x=4(230)x=5(231)x=5(232)x=9(233)x=15(234)x=13(235)x=0.8(236)x=0.6(237)x=1.8(238)x=0.2(239)x=0.5(240)x=0.6(241)x=0.4(242)x=0.5(243)x=4(244)x=32(245)x=4(246)x=35(247)x=2(248)x=22(249)x=88(250)x=54(251)x=81(252)x=2(253)x=88(254)x=25(255)x=12(256)x=8(257)x=8(258)x=15(259)x=39(260)x=3(261)x=90(262)x=6(263)x=0.3(264)x=1.3(265)x=1.7(266)x=2.1(267)x=1.2(268)x=0.2(269)x=2.4(270)x=0.9(271)x=8(272)x=18(273)x=21(274)x=8(275)x=3(276)x=9(277)x=34(278)x=27(279)x=15(280)x=14(281)x=11(282)x=18(283)x=7(284)x=4(285)x=10(286)x=2(287)x=11(288)x=3(289)x=10(290)x=12(291)x=15(292)x=14(293)x=29(294)x=10(295)x=12(296)x=12(297)x=6(298)x=10(299)x=25(300)x=11(301)x=7(302)x=4(303)x=9(304)x=38(305)x=11(306)x=16(307)x=33(308)x=6(309)x=4(310)x=28(311)x=4(312)x=3(313)x=8(314)x=9(315)x=9(316)x=19(317)x=13(318)x=12(319)x=10(320)x=12(321)x=10(322)x=2(323)x=18(324)x=3(325)x=7(326)x=12(327)x=6(328)x=11(329)x=4(330)x=7(331)x=12(332)x=17(333)x=11(334)x=11(335)x=5(336)x=21(337)x=12(338)x=16(339)x=6(340)x=12(341)x=5(342)x=21(343)x=13(344)x=4(345)x=4(346)x=8(347)x=22(348)x=15(349)x=13(350)x=8(351)x=20(352)x=0.2(353)x=2.6(354)x=0.5(355)x=1.1(356)x=1(357)x=0.2(358)x=0.6(359)x=6.1(360)x=2.3(361)x=10(362)x=2(363)x=10(364)x=34(365)x=6(366)x=16(367)x=3(368)x=7(369)x=3(370)x=0.4(371)x=0.3(372)x=0.8(373)x=0.9(374)x=1.1(375)x=2.7(376)x=2.1(377)x=0.6(378)x=0.8(379)x=10(380)x=2(381)x=12(382)x=10(383)x=11(384)x=7(385)x=28(386)x=10(387)x=44(388)x=1.4(389)x=0.3(390)x=0.6(391)x=3.4(392