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+46=119(2)x+50=75(3)x+55=133(4)x+90=164(5)x+71=74(6)x+16=75(7)x+4=36(8)x+56=136(9)x+25=49(10)x-26=37(11)x-45=10(12)x-35=48(13)x-9=23(14)x-28=65(15)x-30=57(16)x-21=26(17)x-30=27(18)x-38=31(19)x+3.6=6.1(20)x+5=13(21)x+3.1=10.4(22)x+4.2=5.4(23)x+4=7.3(24)x+5=7.6(25)x+4.4=6.1(26)x+8.4=15.9(27)x+2.7=3.6(28)x-2.5=4.1(29)x-3.9=5(30)x-3.8=3.9(31)x-5.7=1.8(32)x-6.3=3.3(33)x-3.1=1.3(34)x-1=3.2(35)x-4.5=4.4(36)x-2.8=5.3(37)11+x=64(38)98+x=193(39)24+x=87(40)49+x=107(41)69+x=75(42)32+x=94(43)99+x=160(44)37+x=46(45)63+x=118(46)50-x=43(47)48-x=26(48)69-x=67(49)83-x=72(50)97-x=19(51)38-x=34(52)85-x=35(53)20-x=12(54)92-x=31(55)7+x=12.3(56)9.7+x=18.4(57)2.8+x=7.6(58)4.9+x=13.2(59)3.4+x=6(60)1.3+x=4.5(61)9.1+x=13.6(62)9.4+x=12.6(63)2.3+x=9.1(64)5.2-x=1.6(65)9.7-x=1.5(66)5.2-x=3.3(67)6.8-x=6.1(68)7.6-x=1.8(69)8.5-x=6.4(70)8.8-x=5.9(71)9.4-x=4.5(72)5.8-x=5.3(73)6x=54(74)12x=60(75)16x=80(76)50x=100(77)6x=30(78)3x=138(79)5x=25(80)2x=80(81)3x=48(82)1.8x=16.2(83)0.5x=9.5(84)8.5x=17(85)0.8x=1.6(86)5.7x=17.1(87)0.7x=16.1(88)0.3x=7.8(89)8.2x=16.4(90)0.4x=11.6(91)24x=12(92)27x=16.2(93)51x=10.2(94)33x=19.8(95)26x=15.6(96)60x=12(97)25x=17.5(98)38x=15.2(99)29x=17.4(100)54÷x=3(101)66÷x=22(102)162÷x=2(103)98÷x=14(104)60÷x=20(105)66÷x=6(106)81÷x=9(107)28÷x=4(108)140÷x=35(109)9.8÷x=0.7(110)11÷x=2.2(111)7.6÷x=0.4(112)18÷x=4.5(113)15.6÷x=0.2(114)5.2÷x=1.3(115)8.4÷x=1.2(116)10.8÷x=1.2(117)11.2÷x=1.4(118)x÷9=20(119)x÷20=5(120)x÷57=3(121)x÷49=4(122)x÷32=4(123)x÷81=2(124)x÷3=48(125)x÷2=31(126)x÷13=9(127)x÷5=0.3(128)x÷18=0.6(129)x÷9=0.7(130)x÷25=0.6(131)x÷32=0.5(132)x÷12=1.4(133)x÷57=0.3(134)x÷9=0.9(135)x÷6=1.5(136)9x+38=173(137)81x+53=215(138)20x+56=136(139)16x+29=77(140)59x+18=195(141)11x+37=202(142)30x+34=214(143)19x+32=203(144)22x+22=88(145)73x-21=125(146)33x-50=115(147)18x-20=142(148)5x-54=121(149)33x-24=75(150)2x-25=37(151)29x-47=69(152)7x-59=53(153)21x-41=64(154)15x+5.9=8.9(155)47x+4.1=22.9(156)5x+1=4(157)4x+2.1=3.7(158)100x+2.1=22.1(159)3x+5=18.5(160)11x+3.4=12.2(161)6x+2.8=10(162)37x+1.6=12.7(163)3.6x+2=12.8(164)1x+5.3=16.3(165)0.3x+2.5=20.5(166)3x+4=10(167)8.4x+2.7=19.5(168)0.7x+2.4=9.4(169)1.5x+2.9=20.9(170)3x+2.1=11.1(171)0.4x+5.6=12.8(172)4x-5=12.6(173)19x-1.8=2(174)4x-3.9=15.7(175)7x-5.9=9.5(176)2x-2.9=8.7(177)2x-4=2.2(178)15x-4.4=13.6(179)15x-1.8=4.2(180)7x-5.6=7.7(181)1.7x-5.5=9.8(182)1.5x-4.6=8.9(183)3.1x-2.4=6.9(184)0.2x-2.5=16.7(185)1.8x-3.6=3.6(186)1.9x-1.3=4.4(187)3x-2.7=3.3(188)0.2x-2.1=8.5(189)9.8x-2.4=17.2(190)160+8x=312(191)136+73x=282(192)134+20x=334(193)193+49x=340(194)182+9x=335(195)44+9x=116(196)47+66x=179(197)63+73x=209(198)20+32x=212(199)159-25x=34(200)103-3x=82(201)154-11x=66(202)133-28x=49(203)177-46x=85(204)94-16x=30(205)150-2x=28(206)119-28x=35(207)92-7x=22(208)18.3+3.7x=33.1(209)1.1+0.3x=19.1(210)9.5+0.5x=19(211)6.3+2.3x=24.7(212)12.8+1.1x=21.6(213)19.3+0.6x=33.1(214)14.6+5.5x=25.6(215)12.2+4.6x=21.4(216)2.9+3.1x=18.4(217)15.1+20x=33.1(218)1.8+3x=8.7(219)18.1+13x=33.7(220)17.4+72x=31.8(221)15.9+6x=23.1(222)4.1+2x=16.9(223)15.6+57x=27(224)2.2+5x=16.2(225)8.2+9x=18.1(226)18.8-8.4x=2(227)13.7-0.5x=9.7(228)13.4-3.6x=2.6(229)11.2-3.2x=1.6(230)13.3-4.6x=4.1(231)12.2-0.7x=10.1(232)15.7-0.8x=2.1(233)12.2-0.5x=2.7(234)16.4-0.3x=13.4(235)11.7-30x=5.7(236)16.9-25x=9.4(237)19-8x=7(238)18.3-5x=7.3(239)19.6-5x=15.1(240)19.5-33x=12.9(241)16.7-2x=14.9(242)14.2-30x=2.2(243)14.5-12x=1.3(244)9x÷42=3(245)10x÷8=25(246)6x÷12=9(247)52x÷4=39(248)7x÷42=2(249)4x÷12=5(250)8x÷4=6(251)18x÷60=3(252)20x÷50=4(253)0.6x÷54=0.2(254)0.3x÷15=1.1(255)1.2x÷26=0.6(256)5.4x÷6=1.8(257)1.5x÷9=2(258)5.1x÷17=0.6(259)2.4x÷6=2(260)0.2x÷8=1.1(261)2.7x÷9=0.9(262)20x÷5=1.2(263)21x÷14=0.6(264)8x÷88=0.2(265)3x÷63=0.2(266)32x÷12=0.8(267)26x÷52=0.3(268)32x÷16=0.6(269)18x÷12=0.6(270)6x÷12=0.4(271)14x+10x=72(272)17x+16x=99(273)8x+9x=51(274)3x+2x=115(275)4x+12x=144(276)12x+16x=252(277)4x+19x=115(278)3x+2x=190(279)6x+12x=144(280)11x-6x=65(281)18x-9x=36(282)9x-4x=100(283)9x-4x=50(284)19x-13x=30(285)17x-9x=24(286)17x-5x=108(287)14x-2x=132(288)13x-2x=121(289)0.6x+0.5x=63.8(290)0.9x+7.8x=104.4(291)4.6x+3.2x=140.4(292)1.1x+2.4x=73.5(293)1.5x+3.1x=115(294)7.7x+6.7x=43.2(295)5.5x+3.2x=17.4(296)5.1x+7x=48.4(297)5.7x+4.8x=136.5(298)1.6x-1.4x=5.6(299)3.9x-1x=69.6(300)6.2x-2.6x=7.2(301)7.4x-2.3x=25.5(302)0.6x-0.3x=13.2(303)3.3x-0.8x=22.5(304)5.2x-3.4x=5.4(305)1.7x-0.7x=26(306)6.3x-2.6x=22.2(307)2x+14x+26=154(308)9x+16x+28=153(309)14x+9x+24=139(310)10x+11x+12=327(311)3x+14x+15=219(312)7x+5x+21=213(313)4x+8x+9=237(314)17x+16x+14=80(315)10x+2x+39=75(316)5x+14x-2=131(317)10x+19x-22=94(318)4x+7x-12=230(319)13x+8x-4=185(320)4x+6x-31=129(321)9x+16x-43=82(322)15x+18x-14=283(323)12x+4x-16=192(324)10x+3x-47=109(325)18x-4x+33=159(326)13x-9x+3=59(327)12x-4x+19=107(328)10x-3x+47=110(329)14x-2x+7=55(330)15x-6x+14=41(331)6x-2x+25=125(332)16x-6x+16=136(333)11x-2x+16=160(334)13x-5x-14=66(335)17x-5x-3=117(336)10x-2x-4=148(337)8x-5x-4=38(338)19x-2x-39=29(339)6x-4x-28=34(340)5x-3x-19=49(341)14x-4x-24=56(342)5x-2x-28=56(343)4x+3.6x+2.7=63.5(344)8.2x+4x+0.3=122.3(345)6.1x+7x+1.6=40.9(346)0.3x+0.7x+3.7=99.7(347)2x+4.4x+0.3=134.7(348)6.4x+7.8x+0.6=100(349)3x+4.9x+4.2=146.4(350)4x+4.5x+0.3=178.8(351)4x+8.5x+4.6=29.6(352)40x+90x+1.4=92.4(353)66x+37x+0.9=155.4(354)85x+76x+2.6=67(355)5x+60x+3.9=29.9(356)21x+5x+2.4=10.2(357)68x+70x+4=142(358)48x+35x+0.8=158.5(359)22x+25x+2.8=181.4(360)63x+33x+0.3=125.1(361)3.9x+6.4x-2.7=141.5(362)3x+4.1x-4.3=24.1(363)2.3x+4.1x-1.3=43.5(364)1.3x+2.6x-2.1=111(365)8.4x+3.9x-4.8=56.7(366)0.8x+0.5x-3=112.7(367)3.6x+1.2x-2.1=60.3(368)3.5x+6.5x-3.2=126.8(369)1x+0.8x-4.6=105.2(370)62x+77x-0.5=41.2(371)68x+47x-4.6=98.9(372)24x+78x-4.2=77.4(373)5x+3x-0.5=37.9(374)2x+10x-3.1=59.3(375)98x+52x-3.3=86.7(376)21x+26x-3.5=137.5(377)41x+25x-3.9=95.1(378)3x+13x-0.6=2.6(379)3.5x-1.6x+4.4=25.3(380)3.6x-1.9x+0.4=44.6(381)2x-0.2x+0.7=56.5(382)3.4x-0.6x+2.3=49.9(383)8.1x-6.6x+0.3=18.3(384)8.3x-2.4x+3.5=33(385)2.3x-0.8x+2.8=31.3(386)8.6x-1x+3.7=64.5(387)7.4x-2.6x+3.1=22.3(388)91x-67x+3.6=25.2(389)86x-69x+4.3=12.8(390)90x-6x+3.6=79.2(391)63x-46x+1.9=25.7(392)99x-91x+0.3=8.3(393)48x-2x+4.2=96.2(394)21x-11x+1.5=20.5(395)62x-16x+4.8=27.8(396)90x-34x+0.8=45.6(397)6.4x-5.4x-3.4=8.6(398)5.1x-1.6x-2.6=25.4(399)5.3x-3.7x-1.5=12.9(400)3.4x-2.9x-3.3=4.2(401)4.7x-1.2x-0.2=24.3(402)6.3x-0.5x-3.9=30.9(403)9.7x-6.5x-4=5.6(404)1.4x-0.2x-2.2=7.4(405)3.9x-2.6x-4.3=17.8(406)81x-43x-2=39.8(407)81x-60x-2.8=14(408)50x-29x-4.6=33.2(409)10x-2x-2.2=3.4(410)99x-45x-3.3=18.3(411)46x-10x-2.5=69.5(412)16x-2x-3.6=25.8(413)19x-8x-2.8=53.3(414)16x-12x-2=7.2(415)4x+5×38=310(416)3x+48×3=285(417)22x+4×49=306(418)8x+5×22=230(419)2x+27×4=282(420)4x+2×49=226(421)5x+11×12=142(422)7x+4×24=271(423)7x+3×2=111(424)3x-43×2=16(425)5x-2×7=91(426)6x-4×25=14(427)3x-2×16=46(428)2x-2×55=86(429)7x-2×57=26(430)3x-19×6=69(431)2x-3×2=152(432)3x-13×8=19(433)0.6x+0.3×2=3.6(434)1.7x+1.3×8=22.3(435)0.6x+0.5×16=26.6(436)1.4x+0.6×26=24(437)2.1x+1.4×12=21(438)1.4x+4.1×4=24.8(439)0.4x+2.1×5=24.5(440)1.3x+3.3×6=35.4(441)1.3x+1×11=21.4(442)16x+7×0.8=12(443)2x+25×0.7=20.3(444)4x+19×0.3=8.1(445)5x+2×4.7=14.9(446)12x+6×3.2=24(447)4x+21×0.3=10.3(448)2x+10×1.6=16.6(449)10x+18×0.8=21.4(450)3x+36×0.2=10.2(451)0.5x-0.7×2=2.6(452)0.9x-0.6×5=15.9(453)0.5x-0.7×8=10.4(454)1x-4.2×2=9.6(455)1.3x-0.4×26=2.6(456)3.5x-1×9=8.5(457)2.1x-0.3×17=7.5(458)2x-3.6×4=3.6(459)0.6x-0.2×3=15.6(460)13x-36×0.2=11(461)7x-4×2=1.8(462)40x-2×4.6=10.8(463)12x-27×0.6=3(464)2x-2×1.8=5.8(465)10x-5×2.1=5.5(466)36x-35×0.2=11(467)23x-11×0.9=8.5(468)13x-20×0.8=3.5(469)3(x+16)=63(470)2(3x+27)=78(471)3(9x+38)=168(472)3(13x+16)=126(473)3(8x+11)=81(474)6(x+7)=144(475)3(4x+25)=159(476)3(25x+14)=192(477)3(6x+23)=177(478)12(7x-2)=144(479)2(16x-14)=164(480)3(16x-19)=87(481)4(3x-30)=192(482)5(2x-48)=160(483)6(2x-34)=84(484)3(x-11)=60(485)10(3x-47)=190(486)5(9x-27)=90(487)4(1.2x+4.4)=46.4(488)3(3.4x+1.5)=24.9(489)9(0.5x+0.2)=19.8(490)2(1.6x+8.8)=40(491)4(0.3x+4.5)=21.6(492)2(1.9x+8)=31.2(493)3(5.8x+1.2)=38.4(494)2(0.5x+0.5)=27(495)3(0.3x+1.7)=9.6(496)22(2.5x-8.2)=39.6(497)4(3.9x-8.5)=44(498)3(0.7x-9.4)=45.3(499)10(0.3x-9.1)=26(500)9(0.4x-6)=43.2(501)13(x-1.5)=45.5(502)6(0.5x-5.4)=6.6(503)18(0.2x-2.3)=23.4(504)4(8.6x-4.9)=49.2(505)(9x+42)÷23=3(506)(11x+17)÷7=26(507)(2x+2)÷2=20(508)(9x+4)÷46=4(509)(9x+47)÷2=136(510)(12x+4)÷7=28(511)(13x+45)÷4=34(512)(18x+18)÷2=36(513)(18x+10)÷23=2(514)(12x-39)÷5=21(515)(5x-27)÷7=9(516)(10x-45)÷25=7(517)(16x-44)÷4=53(518)(7x-28)÷6=14(519)(18x-22)÷5=46(520)(5x-7)÷3=26(521)(17x-4)÷3=61(522)(6x-39)÷25=3(523)(x+9.5)÷15=1.7(524)(5.1x+9.7)÷2=32.9(525)(7.3x+4.7)÷16=4.4(526)(5.8x+8.4)÷4=7.9(527)(2.6x+8.8)÷12=4.2(528)(3.7x+7)÷3=23.3(529)(7.8x+1.8)÷5=6.6(530)(4.7x+3.5)÷11=1.6(531)(3.4x+3.2)÷19=1.6(532)(4.2x-5.4)÷9=3.6(533)(5.3x-7.5)÷2=9.5(534)(6.6x-2)÷7=1.6(535)(2.5x-6.3)÷6=2.7(536)(6x-2.4)÷27=2.8(537)(1.4x-4.4)÷4=1.7(538)(6.7x-1.9)÷13=1.4(539)(6.9x-0.9)÷3=20.4(540)(5.6x-8.2)÷29=3参考答案(1)x=73(2)x=25(3)x=78(4)x=74(5)x=3(6)x=59(7)x=32(8)x=80(9)x=24(10)x=63(11)x=55(12)x=83(13)x=32(14)x=93(15)x=87(16)x=47(17)x=57(18)x=69(19)x=2.5(20)x=8(21)x=7.3(22)x=1.2(23)x=3.3(24)x=2.6(25)x=1.7(26)x=7.5(27)x=0.9(28)x=6.6(29)x=8.9(30)x=7.7(31)x=7.5(32)x=9.6(33)x=4.4(34)x=4.2(35)x=8.9(36)x=8.1(37)x=53(38)x=95(39)x=63(40)x=58(41)x=6(42)x=62(43)x=61(44)x=9(45)x=55(46)x=7(47)x=22(48)x=2(49)x=11(50)x=78(51)x=4(52)x=50(53)x=8(54)x=61(55)x=5.3(56)x=8.7(57)x=4.8(58)x=8.3(59)x=2.6(60)x=3.2(61)x=4.5(62)x=3.2(63)x=6.8(64)x=3.6(65)x=8.2(66)x=1.9(67)x=0.7(68)x=5.8(69)x=2.1(70)x=2.9(71)x=4.9(72)x=0.5(73)x=9(74)x=5(75)x=5(76)x=2(77)x=5(78)x=46(79)x=5(80)x=40(81)x=16(82)x=9(83)x=19(84)x=2(85)x=2(86)x=3(87)x=23(88)x=26(89)x=2(90)x=29(91)x=0.5(92)x=0.6(93)x=0.2(94)x=0.6(95)x=0.6(96)x=0.2(97)x=0.7(98)x=0.4(99)x=0.6(100)x=18(101)x=3(102)x=81(103)x=7(104)x=3(105)x=11(106)x=9(107)x=7(108)x=4(109)x=14(110)x=5(111)x=19(112)x=4(113)x=78(114)x=4(115)x=7(116)x=9(117)x=8(118)x=180(119)x=100(120)x=171(121)x=196(122)x=128(123)x=162(124)x=144(125)x=62(126)x=117(127)x=1.5(128)x=10.8(129)x=6.3(130)x=15(131)x=16(132)x=16.8(133)x=17.1(134)x=8.1(135)x=9(136)x=15(137)x=2(138)x=4(139)x=3(140)x=3(141)x=15(142)x=6(143)x=9(144)x=3(145)x=2(146)x=5(147)x=9(148)x=35(149)x=3(150)x=31(151)x=4(152)x=16(153)x=5(154)x=0.2(155)x=0.4(156)x=0.6(157)x=0.4(158)x=0.2(159)x=4.5(160)x=0.8(161)x=1.2(162)x=0.3(163)x=3(164)x=11(165)x=60(166)x=2(167)x=2(168)x=10(169)x=12(170)x=3(171)x=18(172)x=4.4(173)x=0.2(174)x=4.9(175)x=2.2(176)x=5.8(177)x=3.1(178)x=1.2(179)x=0.4(180)x=1.9(181)x=9(182)x=9(183)x=3(184)x=96(185)x=4(186)x=3(187)x=2(188)x=53(189)x=2(190)x=19(191)x=2(192)x=10(193)x=3(194)x=17(195)x=8(196)x=2(197)x=2(198)x=6(199)x=5(200)x=7(201)x=8(202)x=3(203)x=2(204)x=4(205)x=61(206)x=3(207)x=10(208)x=4(209)x=60(210)x=19(211)x=8(212)x=8(213)x=23(214)x=2(215)x=2(216)x=5(217)x=0.9(218)x=2.3(219)x=1.2(220)x=0.2(221)x=1.2(222)x=6.4(223)x=0.2(224)x=2.8(225)x=1.1(226)x=2(227)x=8(228)x=3(229)x=3(230)x=2(231)x=3(232)x=17(233)x=19(234)x=10(235)x=0.2(236)x=0.3(237)x=1.5(238)x=2.2(239)x=0.9(240)x=0.2(241)x=0.9(242)x=0.4(243)x=1.1(244)x=14(245)x=20(246)x=18(247)x=3(248)x=12(249)x=15(250)x=3(251)x=10(252)x=10(253)x=18(254)x=55(255)x=13(256)x=2(257)x=12(258)x=2(259)x=5(260)x=44(261)x=3(262)x=0.3(263)x=0.4(264)x=2.2(265)x=4.2(266)x=0.3(267)x=0.6(268)x=0.3(269)x=0.4(270)x=0.8(271)x=3(272)x=3(273)x=3(274)x=23(275)x=9(276)x=9(277)x=5(278)x=38(279)x=8(280)x=13(281)x=4(282)x=20(283)x=10(284)x=5(285)x=3(286)x=9(287)x=11(288)x=11(289)x=58(290)x=12(291)x=18(292)x=21(293)x=25(294)x=3(295)x=2(296)x=4(297)x=13(298)x=28(299)x=24(300)x=2(301)x=5(302)x=44(303)x=9(304)x=3(305)x=26(306)x=6(307)x=8(308)x=5(309)x=5(310)x=15(311)x=12(312)x=16(313)x=19(314)x=2(315)x=3(316)x=7(317)x=4(318)x=22(319)x=9(320)x=16(321)x=5(322)x=9(323)x=13(324)x=12(325)x=9(326)x=14(327)x=11(328)x=9(329)x=4(330)x=3(331)x=25(332)x=12(333)x=16(334)x=10(335)x=10(336)x=19(337)x=14(338)x=4(339)x=31(340)x=34(341)x=8(342)x=28(343)x=8(344)x=10(345)x=3(346)x=96(347)x=21(348)x=7(349)x=18(350)x=21(351)x=2(352)x=0.7(353)x=1.5(354)x=0.4(355)x=0.4(356)x=0.3(357)x=1(358)x=1.9(359)x=3.8(360)x=1.3(361)x=14(362)x=4(363)x=7(364)x=29(365)x=5(366)x=89(367)x=13(368)x=13(369)x=61(370)x=0.3(371)x=0.9(372)x=0.8(373)x=4.8(374)x=5.2(375)x=0.6(376)x=3(377)x=1.5(378)x=0.2(379)x=11(380)x=26(381)x=31(382)x=17(383)x=12(384)x=5(385)x=19(386)x=8(387)x=4(388)x=0.9(389)x=0.5(390)x=0.9(391)x=