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+33=129(2)x+86=90(3)x+12=53(4)x+3=99(5)x+24=33(6)x+89=91(7)x+10=104(8)x+5=81(9)x+92=166(10)x-42=30(11)x-8=57(12)x-10=27(13)x-16=15(14)x-46=37(15)x-59=35(16)x-2=70(17)x-9=78(18)x-16=62(19)x+6.9=13.5(20)x+0.9=5.5(21)x+6.9=15.4(22)x+8.6=15.7(23)x+6.7=15.6(24)x+0.8=4.9(25)x+2.6=3.4(26)x+3.5=12.2(27)x+2.4=7.3(28)x-1.5=5.5(29)x-0.4=3.2(30)x-3.3=3.6(31)x-4.7=1.7(32)x-2.2=6.8(33)x-6.4=1.4(34)x-7.9=1.2(35)x-4.3=2.5(36)x-1.5=7.1(37)97+x=111(38)11+x=33(39)77+x=105(40)34+x=42(41)63+x=119(42)42+x=133(43)48+x=110(44)11+x=34(45)27+x=70(46)79-x=27(47)75-x=16(48)26-x=18(49)85-x=26(50)90-x=60(51)93-x=41(52)58-x=33(53)61-x=44(54)86-x=65(55)5.2+x=12.6(56)1.3+x=2.2(57)7.3+x=14.3(58)7.1+x=14.6(59)9.1+x=11.2(60)4+x=11.9(61)9.9+x=11.4(62)0.8+x=1(63)5.8+x=12.8(64)9.1-x=7.7(65)4.1-x=2.2(66)7.1-x=2.7(67)4.1-x=1.8(68)9.5-x=4.8(69)2.8-x=1(70)8.7-x=3.4(71)2.8-x=2.6(72)6.1-x=3.7(73)24x=168(74)3x=144(75)11x=198(76)44x=176(77)19x=152(78)20x=80(79)10x=170(80)5x=15(81)6x=138(82)1.6x=17.6(83)2x=16(84)9.6x=19.2(85)0.4x=15.2(86)2.1x=10.5(87)0.2x=11.4(88)0.4x=8.4(89)8.5x=17(90)2.7x=18.9(91)15x=3(92)33x=9.9(93)2x=14(94)6x=4.8(95)2x=13.6(96)37x=7.4(97)14x=9.8(98)4x=13.6(99)3x=16.8(100)56÷x=14(101)63÷x=7(102)56÷x=8(103)58÷x=2(104)4÷x=2(105)133÷x=7(106)120÷x=10(107)117÷x=9(108)190÷x=2(109)8.2÷x=0.2(110)9.6÷x=0.8(111)9.5÷x=0.5(112)9.6÷x=1.2(113)6.4÷x=3.2(114)17÷x=3.4(115)3.5÷x=0.5(116)14.8÷x=3.7(117)18.3÷x=0.3(118)x÷12=7(119)x÷5=18(120)x÷5=37(121)x÷4=26(122)x÷12=15(123)x÷5=36(124)x÷3=27(125)x÷2=39(126)x÷6=17(127)x÷2=2.7(128)x÷4=1.4(129)x÷22=0.5(130)x÷52=0.2(131)x÷2=4.7(132)x÷3=3.5(133)x÷45=0.4(134)x÷2=1.7(135)x÷30=0.5(136)8x+18=50(137)18x+27=99(138)2x+19=203(139)8x+37=213(140)2x+32=178(141)5x+28=143(142)5x+42=142(143)22x+35=189(144)30x+35=185(145)2x-10=12(146)5x-29=81(147)29x-29=29(148)8x-22=154(149)4x-23=149(150)55x-24=86(151)8x-26=30(152)2x-19=97(153)46x-54=38(154)33x+4.9=18.1(155)12x+2.2=11.8(156)13x+5.9=16.3(157)3x+5.1=13.2(158)30x+1.5=13.5(159)2x+5=19.8(160)3x+2.5=4.6(161)3x+2=16.7(162)3x+5.7=21(163)0.2x+2.5=13.3(164)2.1x+3.9=14.4(165)0.2x+3.6=7.8(166)8.1x+2.1=18.3(167)0.6x+2.4=10.2(168)6.5x+5=24.5(169)0.4x+3.4=18.2(170)1.6x+1=12.2(171)3.5x+5.6=16.1(172)38x-3.4=15.6(173)11x-2.2=17.6(174)32x-1=18.2(175)21x-3.4=5(176)2x-4.6=9(177)4x-4.4=10.4(178)4x-2=6(179)24x-2.8=9.2(180)63x-2.2=16.7(181)0.4x-4.1=7.5(182)9.2x-5.2=13.2(183)1x-2.8=6.2(184)0.4x-5.5=6.1(185)4.2x-4.9=7.7(186)1.3x-1.4=15.5(187)0.4x-5.6=7.6(188)0.4x-5.9=6.1(189)2.4x-3=6.6(190)142+37x=290(191)11+6x=65(192)150+26x=306(193)40+6x=70(194)173+3x=320(195)195+3x=270(196)161+57x=275(197)192+49x=388(198)14+7x=91(199)91-2x=39(200)130-7x=67(201)138-5x=23(202)161-2x=119(203)159-12x=99(204)188-2x=84(205)134-2x=44(206)124-2x=60(207)145-5x=80(208)8.4+1.5x=11.4(209)16+9.1x=34.2(210)11+3.4x=17.8(211)17.6+3x=35.6(212)13.9+6.4x=33.1(213)15.3+3.4x=25.5(214)11.3+0.8x=24.9(215)18.6+5.1x=28.8(216)3.1+3.7x=21.6(217)12.8+33x=19.4(218)7.7+12x=19.7(219)16.4+5x=30.4(220)5.9+17x=16.1(221)1.5+11x=14.7(222)9.8+6x=13.4(223)9.5+5x=11.5(224)18.2+13x=37.7(225)2.4+87x=19.8(226)18.2-0.2x=15.4(227)19-2.7x=13.6(228)17.8-4x=1.8(229)10.1-2.8x=1.7(230)16.4-4.3x=7.8(231)18.9-1.8x=15.3(232)6.3-0.8x=3.1(233)18.5-7.8x=2.9(234)8.1-0.2x=6.9(235)17.9-41x=5.6(236)18.4-10x=6.4(237)17.2-2x=13.2(238)18.3-21x=12(239)11.4-14x=7.2(240)15.9-12x=13.5(241)11.2-4x=2(242)9.6-10x=2.6(243)11.4-7x=3.7(244)36x÷48=3(245)2x÷30=4(246)14x÷56=2(247)46x÷23=4(248)4x÷6=6(249)7x÷10=14(250)2x÷12=12(251)21x÷2=42(252)12x÷4=21(253)0.2x÷8=1.3(254)0.2x÷22=0.4(255)3.6x÷18=0.8(256)0.9x÷2=2.7(257)0.2x÷7=1.8(258)0.3x÷90=0.2(259)2.6x÷12=1.3(260)1.7x÷5=3.4(261)1.5x÷60=0.2(262)6x÷39=0.4(263)63x÷3=4.2(264)6x÷75=0.2(265)12x÷48=0.4(266)8x÷16=0.6(267)20x÷4=4.5(268)88x÷16=1.1(269)48x÷4=3.6(270)8x÷16=1(271)19x+5x=168(272)5x+3x=72(273)13x+19x=192(274)15x+5x=120(275)2x+4x=276(276)18x+16x=272(277)18x+7x=225(278)7x+3x=80(279)19x+3x=176(280)16x-9x=77(281)16x-3x=130(282)15x-9x=24(283)13x-4x=90(284)14x-11x=36(285)11x-3x=64(286)14x-5x=54(287)19x-17x=20(288)7x-4x=78(289)0.5x+5.9x=25.6(290)5.8x+0.8x=92.4(291)6.6x+8.5x=60.4(292)8.1x+2.1x=122.4(293)9x+5x=42(294)7.1x+9.1x=97.2(295)0.5x+1x=21(296)1.8x+0.3x=14.7(297)4.3x+2.8x=113.6(298)9.9x-4.2x=39.9(299)5.8x-4.1x=6.8(300)7.7x-3x=9.4(301)3x-2.1x=9(302)2.5x-1.4x=42.9(303)9.8x-4.5x=10.6(304)4.4x-1.4x=27(305)7.9x-7.3x=5.4(306)3.4x-2.4x=3(307)15x+8x+17=132(308)7x+5x+20=248(309)2x+3x+35=140(310)9x+7x+29=333(311)3x+6x+13=256(312)4x+5x+13=94(313)7x+3x+20=40(314)12x+11x+37=267(315)13x+17x+43=283(316)3x+14x-19=134(317)14x+15x-35=226(318)5x+10x-28=167(319)2x+10x-49=11(320)10x+6x-3=77(321)8x+7x-12=63(322)8x+6x-39=213(323)4x+9x-4=191(324)4x+18x-11=209(325)16x-11x+43=88(326)18x-10x+39=127(327)13x-4x+48=129(328)18x-4x+5=103(329)19x-8x+18=51(330)5x-3x+3=83(331)6x-2x+45=169(332)13x-4x+11=29(333)17x-14x+35=65(334)14x-3x-27=17(335)11x-5x-22=62(336)12x-10x-5=11(337)9x-7x-4=38(338)13x-3x-12=88(339)10x-6x-4=40(340)5x-3x-33=45(341)14x-9x-8=42(342)10x-8x-11=23(343)7.1x+8.2x+0.2=137.9(344)6.5x+0.4x+2.4=36.9(345)3.3x+4.1x+4.8=93.6(346)0.5x+3.1x+3.3=28.5(347)4x+9.6x+4.1=31.3(348)6.7x+3.7x+0.5=31.7(349)1.7x+8.4x+2.5=103.5(350)5.8x+4.5x+4.7=107.7(351)6.9x+5.5x+0.9=162.1(352)64x+40x+0.9=52.9(353)77x+47x+4.6=91.4(354)4x+58x+1=69.2(355)49x+61x+1.8=56.8(356)89x+88x+3.1=91.6(357)8x+71x+2.2=104.9(358)29x+17x+3.4=35.6(359)24x+38x+2.7=15.1(360)26x+50x+2.9=78.9(361)0.2x+0.8x-1.7=59.3(362)0.6x+1.3x-2.9=107.3(363)8.4x+0.9x-3.9=98.4(364)7.9x+6.9x-3.1=100.5(365)9.2x+1.6x-2.8=62(366)3.9x+0.2x-4.8=19.8(367)9x+6x-3.9=56.1(368)5.1x+6.7x-4.5=125.3(369)8.1x+9.1x-4.7=29.7(370)40x+24x-1.2=30.8(371)75x+44x-1.4=105.7(372)16x+11x-2.6=67.6(373)90x+91x-1.8=34.4(374)40x+38x-0.8=108.4(375)6x+22x-3.3=94.7(376)2x+43x-2.6=60.4(377)39x+33x-3.3=169.5(378)66x+4x-3.2=87.8(379)0.7x-0.3x+4.4=37.2(380)5.4x-1.9x+1.7=43.7(381)2x-1.7x+1.8=6.6(382)7.8x-5.8x+4.4=26.4(383)9.7x-8.1x+2.8=7.6(384)3.7x-2.6x+0.5=20.3(385)7.4x-7.2x+2.9=4.7(386)4.9x-3.5x+1.4=9.8(387)2.8x-2x+3=4.6(388)31x-13x+0.4=36.4(389)30x-22x+2.8=23.6(390)10x-5x+0.7=40.2(391)13x-3x+1.1=6.1(392)91x-7x+0.2=67.4(393)69x-11x+0.4=70(394)61x-18x+4.1=25.6(395)52x-10x+3.2=32.6(396)56x-45x+4=8.4(397)3.5x-2.3x-2.8=21.2(398)3.2x-0.9x-3.2=56.6(399)2.9x-1.7x-4.8=22.8(400)9.9x-2.1x-3.5=12.1(401)4.6x-2.6x-1.2=18.8(402)4.4x-2.5x-2.1=22.6(403)0.9x-0.6x-3.3=15.3(404)1.7x-0.3x-4.7=70.9(405)3.5x-1.9x-2.6=40.6(406)41x-36x-2.2=4.8(407)82x-18x-1.9=23.7(408)28x-10x-4.2=58.8(409)74x-44x-3.8=17.2(410)71x-48x-1.1=24.2(411)90x-22x-2.9=31.1(412)45x-32x-2.8=21.9(413)84x-57x-0.5=26.5(414)21x-12x-0.5=13(415)9x+9×16=306(416)3x+5×2=22(417)16x+40×5=328(418)3x+2×30=234(419)12x+4×32=176(420)2x+18×7=198(421)18x+5×13=191(422)11x+52×2=192(423)5x+14×3=192(424)2x-3×16=138(425)2x-9×14=12(426)7x-2×6=72(427)9x-21×4=51(428)3x-12×4=60(429)2x-19×2=16(430)6x-27×4=60(431)8x-3×24=48(432)2x-17×4=40(433)0.2x+2.7×2=8.2(434)1.1x+0.6×32=33.5(435)0.6x+0.6×4=18(436)0.9x+2.1×3=8.1(437)3.6x+0.7×21=21.9(438)1.3x+1.4×7=12.4(439)2.1x+0.6×29=32.1(440)0.6x+2.3×8=19.6(441)2x+4.6×3=19.8(442)18x+7×0.8=11(443)2x+2×1.1=3.8(444)5x+12×1.5=31.5(445)2x+40×0.3=17.8(446)5x+3×3.1=21.8(447)9x+7×1.5=29.4(448)20x+7×1.5=22.5(449)6x+27×0.7=38.7(450)14x+8×1=19.2(451)0.6x-1.3×3=5.7(452)0.2x-0.6×3=6.8(453)2.1x-0.5×14=5.6(454)4.6x-0.4×7=11(455)4x-0.2×4=15.2(456)0.4x-0.3×12=2.8(457)1.3x-0.3×32=8.6(458)3.5x-0.2×20=3(459)0.5x-1.5×9=1.5(460)2x-11×0.4=3.8(461)7x-35×0.3=3.5(462)9x-2×2.1=9.3(463)10x-3×0.7=8.9(464)15x-6×1.5=9(465)47x-9×0.3=16.1(466)16x-3×3.6=6.8(467)13x-31×0.4=5.8(468)2x-20×0.2=4.8(469)5(x+8)=150(470)3(2x+24)=156(471)6(7x+11)=150(472)3(7x+31)=156(473)3(5x+16)=198(474)7(4x+14)=182(475)2(2x+38)=188(476)2(x+36)=126(477)3(x+17)=93(478)2(2x-47)=82(479)8(4x-25)=152(480)5(3x-45)=165(481)8(4x-21)=88(482)6(x-8)=144(483)5(2x-17)=75(484)10(13x-15)=110(485)3(9x-34)=33(486)5(3x-40)=55(487)7(0.5x+0.6)=25.2(488)2(0.5x+3.8)=15.6(489)4(0.9x+3.1)=37.6(490)21(0.5x+0.2)=35.7(491)6(0.3x+0.5)=44.4(492)3(3x+7)=39(493)2(7x+8.2)=44.4(494)2(2x+6.3)=28.6(495)4(0.3x+3.7)=26.8(496)2(0.3x-2.9)=3.8(497)8(0.2x-7)=8(498)7(0.2x-0.9)=31.5(499)18(3.4x-5)=32.4(500)3(0.7x-2.7)=10.8(501)3(0.6x-3.3)=17.1(502)6(0.2x-0.6)=21.6(503)20(2.6x-2.7)=50(504)3(0.4x-2.7)=43.5(505)(7x+27)÷3=37(506)(7x+40)÷4=38(507)(12x+15)÷9=31(508)(7x+30)÷31=3(509)(10x+22)÷9=18(510)(18x+3)÷3=61(511)(11x+10)÷2=60(512)(12x+6)÷11=6(513)(x+44)÷28=2(514)(6x-18)÷4=33(515)(5x-5)÷15=2(516)(9x-5)÷14=17(517)(6x-27)÷3=19(518)(9x-4)÷14=1(519)(9x-45)÷18=7(520)(7x-19)÷32=4(521)(19x-26)÷42=3(522)(14x-10)÷6=38(523)(9.5x+6.1)÷8=6.7(524)(5.8x+7.8)÷18=1.4(525)(7.3x+6.4)÷3=14.3(526)(7.7x+1.5)÷2=35.4(527)(5x+0.5)÷5=7.1(528)(0.5x+8.1)÷3=5.7(529)(2.6x+3.1)÷7=2.3(530)(3.7x+3.2)÷34=1.4(531)(2.6x+7.4)÷4=12.9(532)(3.4x-7.6)÷2=11.5(533)(3x-7.7)÷19=0.7(534)(5.4x-6.4)÷7=6.8(535)(5.7x-9.4)÷4=11.9(536)(1.1x-1.7)÷2=8.5(537)(8.2x-4.8)÷33=0.6(538)(4.4x-7.7)÷7=7.7(539)(4.5x-3)÷30=1.1(540)(2.3x-5.2)÷6=2.2参考答案(1)x=96(2)x=4(3)x=41(4)x=96(5)x=9(6)x=2(7)x=94(8)x=76(9)x=74(10)x=72(11)x=65(12)x=37(13)x=31(14)x=83(15)x=94(16)x=72(17)x=87(18)x=78(19)x=6.6(20)x=4.6(21)x=8.5(22)x=7.1(23)x=8.9(24)x=4.1(25)x=0.8(26)x=8.7(27)x=4.9(28)x=7(29)x=3.6(30)x=6.9(31)x=6.4(32)x=9(33)x=7.8(34)x=9.1(35)x=6.8(36)x=8.6(37)x=14(38)x=22(39)x=28(40)x=8(41)x=56(42)x=91(43)x=62(44)x=23(45)x=43(46)x=52(47)x=59(48)x=8(49)x=59(50)x=30(51)x=52(52)x=25(53)x=17(54)x=21(55)x=7.4(56)x=0.9(57)x=7(58)x=7.5(59)x=2.1(60)x=7.9(61)x=1.5(62)x=0.2(63)x=7(64)x=1.4(65)x=1.9(66)x=4.4(67)x=2.3(68)x=4.7(69)x=1.8(70)x=5.3(71)x=0.2(72)x=2.4(73)x=7(74)x=48(75)x=18(76)x=4(77)x=8(78)x=4(79)x=17(80)x=3(81)x=23(82)x=11(83)x=8(84)x=2(85)x=38(86)x=5(87)x=57(88)x=21(89)x=2(90)x=7(91)x=0.2(92)x=0.3(93)x=7(94)x=0.8(95)x=6.8(96)x=0.2(97)x=0.7(98)x=3.4(99)x=5.6(100)x=4(101)x=9(102)x=7(103)x=29(104)x=2(105)x=19(106)x=12(107)x=13(108)x=95(109)x=41(110)x=12(111)x=19(112)x=8(113)x=2(114)x=5(115)x=7(116)x=4(117)x=61(118)x=84(119)x=90(120)x=185(121)x=104(122)x=180(123)x=180(124)x=81(125)x=78(126)x=102(127)x=5.4(128)x=5.6(129)x=11(130)x=10.4(131)x=9.4(132)x=10.5(133)x=18(134)x=3.4(135)x=15(136)x=4(137)x=4(138)x=92(139)x=22(140)x=73(141)x=23(142)x=20(143)x=7(144)x=5(145)x=11(146)x=22(147)x=2(148)x=22(149)x=43(150)x=2(151)x=7(152)x=58(153)x=2(154)x=0.4(155)x=0.8(156)x=0.8(157)x=2.7(158)x=0.4(159)x=7.4(160)x=0.7(161)x=4.9(162)x=5.1(163)x=54(164)x=5(165)x=21(166)x=2(167)x=13(168)x=3(169)x=37(170)x=7(171)x=3(172)x=0.5(173)x=1.8(174)x=0.6(175)x=0.4(176)x=6.8(177)x=3.7(178)x=2(179)x=0.5(180)x=0.3(181)x=29(182)x=2(183)x=9(184)x=29(185)x=3(186)x=13(187)x=33(188)x=30(189)x=4(190)x=4(191)x=9(192)x=6(193)x=5(194)x=49(195)x=25(196)x=2(197)x=4(198)x=11(199)x=26(200)x=9(201)x=23(202)x=21(203)x=5(204)x=52(205)x=45(206)x=32(207)x=13(208)x=2(209)x=2(210)x=2(211)x=6(212)x=3(213)x=3(214)x=17(215)x=2(216)x=5(217)x=0.2(218)x=1(219)x=2.8(220)x=0.6(221)x=1.2(222)x=0.6(223)x=0.4(224)x=1.5(225)x=0.2(226)x=14(227)x=2(228)x=4(229)x=3(230)x=2(231)x=2(232)x=4(233)x=2(234)x=6(235)x=0.3(236)x=1.2(237)x=2(238)x=0.3(239)x=0.3(240)x=0.2(241)x=2.3(242)x=0.7(243)x=1.1(244)x=4(245)x=60(246)x=8(247)x=2(248)x=9(249)x=20(250)x=72(251)x=4(252)x=7(253)x=52(254)x=44(255)x=4(256)x=6(257)x=63(258)x=60(259)x=6(260)x=10(261)x=8(262)x=2.6(263)x=0.2(264)x=2.5(265)x=1.6(266)x=1.2(267)x=0.9(268)x=0.2(269)x=0.3(270)x=2(271)x=7(272)x=9(273)x=6(274)x=6(275)x=46(276)x=8(277)x=9(278)x=8(279)x=8(280)x=11(281)x=10(282)x=4(283)x=10(284)x=12(285)x=8(286)x=6(287)x=10(288)x=26(289)x=4(290)x=14(291)x=4(292)x=12(293)x=3(294)x=6(295)x=14(296)x=7(297)x=16(298)x=7(299)x=4(300)x=2(301)x=10(302)x=39(303)x=2(304)x=9(305)x=9(306)x=3(307)x=5(308)x=19(309)x=21(310)x=19(311)x=27(312)x=9(313)x=2(314)x=10(315)x=8(316)x=9(317)x=9(318)x=13(319)x=5(320)x=5(321)x=5(322)x=18(323)x=15(324)x=10(325)x=9(326)x=11(327)x=9(328)x=7(329)x=3(330)x=40(331)x=31(332)x=2(333)x=10(334)x=4(335)x=14(336)x=8(337)x=21(338)x=10(339)x=11(340)x=39(341)x=10(342)x=17(343)x=9(344)x=5(345)x=12(346)x=7(347)x=2(348)x=3(349)x=10(350)x=10(351)x=13(352)x=0.5(353)x=0.7(354)x=1.1(355)x=0.5(356)x=0.5(357)x=1.3(358)x=0.7(359)x=0.2(360)x=1(361)x=61(362)x=58(363)x=11(364)x=7(365)x=6(366)x=6(367)x=4(368)x=11(369)x=2(370)x=0.5(371)x=0.9(372)x=2.6(373)x=0.2(374)x=1.4(375)x=3.5(376)x=1.4(377)x=2.4(378)x=1.3(379)x=82(380)x=12(381)x=16(382)x=11(383)x=3(384)x=18(385)x=9(386)x=6(387)x=2(388)x=2(389)x=2.6(390)x=7.9(391)x=0.5(392)x=0.8(39