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+82=110(2)x+45=77(3)x+4=13(4)x+15=83(5)x+28=118(6)x+11=62(7)x+7=53(8)x+16=81(9)x+23=42(10)x-13=77(11)x-23=61(12)x-13=49(13)x-61=17(14)x-76=23(15)x-17=64(16)x-77=17(17)x-10=31(18)x-13=31(19)x+0.7=5.3(20)x+2.1=10.9(21)x+3.8=8.4(22)x+2.4=10.9(23)x+5.2=5.9(24)x+1.6=2.6(25)x+3.5=9(26)x+3.4=4.2(27)x+0.8=2.4(28)x-0.2=5.3(29)x-0.9=3.2(30)x-1.1=4.3(31)x-0.2=8.6(32)x-2.3=5.3(33)x-6.9=3(34)x-5.5=2.7(35)x-0.2=3.4(36)x-5.8=3.6(37)95+x=132(38)41+x=92(39)22+x=110(40)68+x=133(41)99+x=147(42)4+x=92(43)11+x=47(44)74+x=101(45)17+x=30(46)75-x=57(47)34-x=32(48)83-x=74(49)60-x=38(50)71-x=30(51)63-x=44(52)99-x=38(53)27-x=15(54)77-x=43(55)5.4+x=14.2(56)8.9+x=16.5(57)2.9+x=4.9(58)1.7+x=4.2(59)3.5+x=7.7(60)9+x=17.1(61)4.3+x=9.4(62)4+x=8.8(63)4.6+x=6.5(64)9.7-x=6.9(65)7.7-x=6.4(66)9.4-x=7.8(67)6.6-x=4.9(68)8.3-x=5.7(69)4.4-x=2.7(70)5.4-x=1.4(71)9.3-x=5.8(72)4.4-x=1.5(73)4x=48(74)18x=54(75)3x=30(76)2x=164(77)4x=148(78)5x=140(79)2x=38(80)14x=140(81)6x=36(82)0.3x=2.4(83)1.8x=5.4(84)0.2x=14.2(85)0.4x=14(86)1.3x=11.7(87)7.9x=15.8(88)1.2x=7.2(89)1.4x=4.2(90)0.9x=17.1(91)4x=19.6(92)4x=15.2(93)42x=8.4(94)22x=15.4(95)78x=15.6(96)11x=19.8(97)11x=3.3(98)24x=16.8(99)5x=18.5(100)92÷x=23(101)91÷x=7(102)33÷x=11(103)132÷x=22(104)42÷x=2(105)154÷x=2(106)184÷x=8(107)174÷x=29(108)108÷x=2(109)11÷x=2.2(110)5.6÷x=2.8(111)3.5÷x=0.5(112)18.4÷x=0.8(113)1.4÷x=0.2(114)16.5÷x=0.3(115)2.4÷x=0.6(116)18.3÷x=0.3(117)11.2÷x=0.4(118)x÷3=25(119)x÷10=10(120)x÷58=2(121)x÷3=13(122)x÷5=20(123)x÷3=19(124)x÷63=3(125)x÷37=4(126)x÷28=2(127)x÷4=2.8(128)x÷2=2.4(129)x÷20=0.9(130)x÷2=1.9(131)x÷9=2.2(132)x÷4=0.5(133)x÷5=2.6(134)x÷7=1(135)x÷10=1.3(136)41x+31=195(137)3x+28=181(138)4x+58=234(139)36x+27=135(140)2x+34=82(141)24x+30=102(142)21x+38=101(143)51x+13=166(144)15x+54=84(145)73x-56=90(146)63x-26=100(147)39x-43=35(148)60x-23=157(149)25x-16=159(150)5x-25=40(151)50x-27=123(152)2x-33=13(153)61x-45=77(154)2x+3=12.8(155)24x+2=6.8(156)3x+1.7=20.3(157)36x+2.4=20.4(158)20x+3.1=11.1(159)4x+3.8=14.6(160)27x+2.4=10.5(161)22x+3.3=7.7(162)4x+1.6=8.8(163)9.2x+5.9=24.3(164)0.3x+3.3=7.2(165)3.3x+2.6=22.4(166)1.8x+5.3=19.7(167)0.6x+3.2=21.8(168)0.6x+2.9=18.5(169)4.1x+3.1=19.5(170)0.4x+1.4=13(171)0.2x+2.2=15.4(172)9x-4.7=5.2(173)10x-1.7=3.3(174)15x-2.8=13.7(175)7x-1.4=14.7(176)86x-3.1=14.1(177)7x-5.3=8.7(178)20x-5=7(179)14x-3=16.6(180)8x-2.1=8.3(181)0.8x-4.1=14.3(182)0.2x-3.6=6.4(183)6.4x-1=18.2(184)0.3x-1.6=12.2(185)0.3x-1.7=4(186)0.3x-3.4=13.4(187)0.3x-4.8=5.7(188)2.9x-4.3=10.2(189)1x-4.3=1.7(190)31+2x=115(191)126+4x=194(192)159+84x=327(193)27+11x=71(194)53+7x=228(195)186+10x=336(196)71+21x=155(197)55+8x=103(198)182+64x=374(199)151-4x=31(200)153-17x=102(201)195-3x=87(202)115-4x=83(203)137-2x=47(204)148-2x=106(205)193-3x=151(206)59-5x=34(207)155-68x=19(208)8.5+0.2x=11.1(209)16.2+0.2x=29.8(210)18.8+0.2x=26.4(211)5.7+0.9x=19.2(212)18.5+0.8x=36.9(213)12.4+5.8x=24(214)9.8+0.2x=28(215)15.9+0.4x=32.7(216)14.6+0.7x=23.7(217)10+12x=20.8(218)3.1+31x=9.3(219)18.2+2x=25.6(220)11.7+2x=27.5(221)1.4+6x=17(222)2.9+4x=4.9(223)18.1+17x=36.8(224)18.3+6x=29.1(225)8.4+4x=24.8(226)13.2-0.3x=10.2(227)10.7-0.3x=7.1(228)10.5-0.3x=5.4(229)6.8-0.4x=3.2(230)17.7-0.6x=16.5(231)15.5-1x=7.5(232)15.2-1.5x=7.7(233)18.7-4.6x=4.9(234)7-0.4x=1.8(235)5.4-3x=2.4(236)17.1-54x=6.3(237)17.9-28x=1.1(238)11.4-2x=9.4(239)16.7-12x=3.5(240)19.8-42x=11.4(241)8.8-21x=4.6(242)13.7-3x=5.6(243)13.4-9x=4.4(244)8x÷30=4(245)7x÷4=21(246)2x÷8=14(247)15x÷3=20(248)4x÷64=2(249)3x÷32=6(250)9x÷18=6(251)52x÷26=6(252)70x÷4=35(253)3.3x÷11=0.6(254)0.3x÷2=3.6(255)4x÷6=2(256)3.2x÷10=1.6(257)4.8x÷24=0.4(258)2x÷2=3(259)0.5x÷20=0.6(260)1.9x÷2=3.8(261)0.4x÷18=1(262)48x÷24=0.4(263)22x÷11=1.6(264)3x÷18=0.4(265)4x÷2=4(266)42x÷12=0.7(267)6x÷3=4(268)18x÷36=0.2(269)2x÷7=2.2(270)75x÷30=0.5(271)17x+14x=124(272)6x+9x=210(273)11x+4x=180(274)5x+13x=270(275)16x+8x=48(276)4x+16x=100(277)19x+5x=96(278)2x+3x=165(279)18x+10x=252(280)18x-16x=20(281)7x-2x=85(282)5x-2x=24(283)10x-3x=84(284)18x-9x=63(285)11x-9x=36(286)7x-4x=78(287)14x-11x=18(288)8x-3x=105(289)0.6x+4x=64.4(290)5.6x+9.2x=148(291)0.7x+5.4x=54.9(292)6.7x+2.3x=72(293)3.1x+5.6x=26.1(294)9x+7.1x=64.4(295)1.5x+2x=87.5(296)3.1x+7.8x=130.8(297)4.8x+4.5x=46.5(298)2.6x-0.3x=80.5(299)3.4x-1.9x=3(300)6.4x-2.6x=38(301)4.1x-2.7x=30.8(302)4.6x-2.7x=30.4(303)6.7x-1.5x=31.2(304)2.1x-1x=9.9(305)9.1x-7.9x=9.6(306)8.6x-0.2x=84(307)7x+10x+16=322(308)9x+8x+14=218(309)6x+8x+26=320(310)3x+4x+37=233(311)13x+3x+31=255(312)3x+4x+20=76(313)14x+5x+18=246(314)15x+2x+33=220(315)5x+14x+6=177(316)16x+6x-10=254(317)8x+4x-45=147(318)17x+14x-5=88(319)17x+2x-40=150(320)10x+14x-31=89(321)12x+7x-13=44(322)5x+7x-47=277(323)11x+14x-2=323(324)2x+3x-29=191(325)16x-4x+5=41(326)18x-9x+48=75(327)18x-12x+7=25(328)13x-7x+16=28(329)15x-3x+35=131(330)17x-6x+35=156(331)15x-12x+26=38(332)10x-3x+49=133(333)12x-3x+31=85(334)9x-2x-21=77(335)12x-2x-44=66(336)8x-5x-48=15(337)12x-6x-6=48(338)9x-2x-9=138(339)7x-4x-21=42(340)14x-8x-5=25(341)15x-2x-8=83(342)17x-2x-44=106(343)2x+1.8x+3.5=90.9(344)2.6x+1.2x+4.3=133.5(345)0.8x+7.2x+3.5=107.5(346)4.7x+8x+4.2=80.4(347)7.1x+4.5x+1.3=59.3(348)1.4x+9.1x+0.3=21.3(349)4.2x+3.4x+2.5=154.5(350)4.3x+5.5x+2.2=119.8(351)9x+4.6x+2=42.8(352)82x+11x+3.2=40.4(353)7x+9x+0.4=130(354)52x+50x+1.1=194.9(355)63x+6x+2.1=64.2(356)66x+99x+3.9=135.9(357)2x+28x+1.4=94.4(358)25x+75x+2.8=132.8(359)39x+97x+4.9=86.5(360)9x+5x+4.7=102.7(361)9.7x+4.2x-3.7=79.7(362)2.7x+6x-3.2=83.8(363)4.5x+1.8x-3=53.7(364)8.7x+5.7x-1.7=127.9(365)7.7x+2.2x-0.4=98.6(366)3x+2.9x-1.9=63(367)3.5x+2.9x-3.4=22.2(368)2.5x+5.8x-3=55.1(369)1.2x+1.3x-2.1=57.9(370)77x+8x-3.2=56.3(371)7x+21x-3.6=46.8(372)41x+76x-3.8=101.5(373)20x+11x-2.8=102.6(374)25x+10x-1.3=65.2(375)32x+79x-2=20.2(376)18x+20x-3.2=42.4(377)54x+29x-1.3=15.3(378)9x+29x-2.7=65.7(379)6.6x-4.5x+0.7=23.8(380)7.3x-3.5x+3.3=41.3(381)5.5x-3.7x+2.9=33.5(382)6.3x-5.2x+3.7=15.8(383)4.5x-4.3x+3.1=4.7(384)8x-7x+4.8=14.8(385)2.1x-0.5x+2.9=70.1(386)9.2x-8.3x+3.4=11.5(387)4.1x-3.2x+1.2=12(388)77x-44x+3.5=39.8(389)92x-41x+3.1=38.8(390)10x-2x+3.5=17.9(391)85x-2x+0.8=42.3(392)41x-7x+3.3=84.9(393)68x-44x+4.8=26.4(394)68x-9x+0.3=23.9(395)24x-6x+2.3=50.9(396)8x-2x+4.2=44.4(397)2.6x-0.7x-1=19.9(398)1x-0.7x-1.1=4.3(399)7.3x-2.4x-2.3=22.2(400)6.1x-1.4x-1.3=17.5(401)7.8x-2.8x-4.9=25.1(402)9.7x-4.4x-3.6=49.4(403)0.5x-0.2x-4.5=9.3(404)2.3x-0.4x-2.4=26.1(405)1.4x-0.3x-4.9=56.7(406)99x-19x-0.3=23.7(407)82x-77x-2.6=1.9(408)34x-7x-0.5=4.9(409)89x-62x-4.3=11.9(410)63x-55x-4.7=4.1(411)25x-3x-0.8=71.8(412)79x-11x-0.6=67.4(413)64x-57x-2.4=6(414)14x-11x-2.7=15.6(415)3x+82×2=350(416)2x+2×61=276(417)26x+24×6=222(418)4x+28×5=192(419)9x+6×25=312(420)3x+26×7=212(421)17x+3×55=250(422)3x+99×2=231(423)2x+13×4=164(424)2x-6×12=62(425)3x-44×2=20(426)18x-32×2=62(427)2x-2×26=112(428)2x-2×9=148(429)5x-2×32=96(430)3x-38×2=65(431)4x-2×4=172(432)3x-33×2=114(433)0.6x+3.3×5=26.7(434)0.7x+0.5×22=22.2(435)0.4x+2.1×6=29(436)4.5x+1.7×7=20.9(437)0.3x+1.3×4=17.5(438)0.3x+1.6×12=29.4(439)0.3x+2.9×6=26.1(440)0.5x+2.6×3=9.3(441)1.7x+1×2=13.9(442)4x+16×0.2=6.4(443)6x+41×0.2=25.6(444)43x+11×1.5=29.4(445)7x+8×2.5=32.6(446)8x+15×1=31(447)22x+8×0.6=24.6(448)6x+3×1.3=6.3(449)6x+20×0.7=16.4(450)28x+6×1.3=16.2(451)4.1x-0.3×38=5(452)2.1x-0.6×4=8.1(453)2.2x-3.1×3=10.5(454)1.6x-0.2×10=17.2(455)3.4x-0.7×11=5.9(456)1.8x-0.6×12=1.8(457)0.4x-0.4×16=4.4(458)0.5x-0.2×14=3.2(459)1.5x-0.3×42=2.4(460)7x-8×1.7=5.3(461)15x-2×1.2=14.1(462)4x-10×0.2=16.8(463)9x-5×0.3=1.2(464)3x-12×0.6=2.1(465)3x-16×0.2=10.6(466)38x-9×1.7=3.7(467)4x-2×1.8=11.6(468)17x-4×1.3=5(469)3(9x+17)=132(470)4(2x+13)=180(471)3(x+20)=93(472)2(10x+22)=84(473)2(x+25)=148(474)2(x+19)=66(475)4(4x+12)=144(476)4(3x+18)=168(477)2(x+33)=134(478)5(21x-4)=190(479)9(29x-39)=171(480)9(2x-16)=180(481)3(2x-43)=87(482)4(2x-36)=136(483)3(5x-7)=159(484)4(3x-42)=108(485)4(17x-40)=112(486)3(19x-32)=75(487)2(1.5x+0.6)=28.2(488)5(0.3x+2.3)=44.5(489)2(0.4x+7.1)=45.4(490)2(0.2x+5)=16(491)7(1.2x+0.8)=39.2(492)13(0.9x+1.2)=39(493)4(1.2x+2.7)=39.6(494)2(0.4x+7.3)=32.2(495)3(1.6x+9.1)=36.9(496)10(0.2x-6.4)=20(497)3(1.9x-1.8)=23.1(498)7(1.3x-7.4)=30.1(499)4(1.5x-2)=16(500)13(0.7x-9.9)=44.2(501)13(0.4x-9.3)=35.1(502)4(1.5x-8.7)=37.2(503)2(4x-0.9)=46.2(504)3(5x-8.2)=35.4(505)(2x+46)÷13=8(506)(18x+40)÷47=2(507)(6x+24)÷18=6(508)(7x+44)÷12=13(509)(6x+14)÷2=85(510)(9x+23)÷20=7(511)(10x+16)÷2=28(512)(12x+24)÷4=75(513)(2x+18)÷7=8(514)(10x-16)÷48=3(515)(6x-9)÷3=17(516)(11x-19)÷18=2(517)(9x-28)÷26=1(518)(3x-33)÷6=7(519)(18x-33)÷25=3(520)(3x-41)÷17=2(521)(12x-40)÷4=47(522)(5x-10)÷11=5(523)(2.7x+0.5)÷16=2.9(524)(0.7x+5.8)÷31=0.3(525)(2.6x+1.5)÷3=10.9(526)(2x+6.6)÷26=1.1(527)(4.3x+3.3)÷3=9.7(528)(6.5x+6)÷11=3.5(529)(3.4x+6.8)÷6=6.8(530)(6.9x+5.1)÷2=33.6(531)(6x+6.4)÷19=1.6(532)(4.9x-1.9)÷6=10.3(533)(2.6x-8.8)÷2=12.5(534)(4.6x-2.6)÷26=2.2(535)(7.8x-8.2)÷10=6.2(536)(1.8x-9)÷12=1.5(537)(8.9x-8)÷18=4.5(538)(1.2x-4.8)÷9=2(539)(3.6x-7.2)÷8=4.5(540)(2.2x-0.3)÷13=1.5参考答案(1)x=28(2)x=32(3)x=9(4)x=68(5)x=90(6)x=51(7)x=46(8)x=65(9)x=19(10)x=90(11)x=84(12)x=62(13)x=78(14)x=99(15)x=81(16)x=94(17)x=41(18)x=44(19)x=4.6(20)x=8.8(21)x=4.6(22)x=8.5(23)x=0.7(24)x=1(25)x=5.5(26)x=0.8(27)x=1.6(28)x=5.5(29)x=4.1(30)x=5.4(31)x=8.8(32)x=7.6(33)x=9.9(34)x=8.2(35)x=3.6(36)x=9.4(37)x=37(38)x=51(39)x=88(40)x=65(41)x=48(42)x=88(43)x=36(44)x=27(45)x=13(46)x=18(47)x=2(48)x=9(49)x=22(50)x=41(51)x=19(52)x=61(53)x=12(54)x=34(55)x=8.8(56)x=7.6(57)x=2(58)x=2.5(59)x=4.2(60)x=8.1(61)x=5.1(62)x=4.8(63)x=1.9(64)x=2.8(65)x=1.3(66)x=1.6(67)x=1.7(68)x=2.6(69)x=1.7(70)x=4(71)x=3.5(72)x=2.9(73)x=12(74)x=3(75)x=10(76)x=82(77)x=37(78)x=28(79)x=19(80)x=10(81)x=6(82)x=8(83)x=3(84)x=71(85)x=35(86)x=9(87)x=2(88)x=6(89)x=3(90)x=19(91)x=4.9(92)x=3.8(93)x=0.2(94)x=0.7(95)x=0.2(96)x=1.8(97)x=0.3(98)x=0.7(99)x=3.7(100)x=4(101)x=13(102)x=3(103)x=6(104)x=21(105)x=77(106)x=23(107)x=6(108)x=54(109)x=5(110)x=2(111)x=7(112)x=23(113)x=7(114)x=55(115)x=4(116)x=61(117)x=28(118)x=75(119)x=100(120)x=116(121)x=39(122)x=100(123)x=57(124)x=189(125)x=148(126)x=56(127)x=11.2(128)x=4.8(129)x=18(130)x=3.8(131)x=19.8(132)x=2(133)x=13(134)x=7(135)x=13(136)x=4(137)x=51(138)x=44(139)x=3(140)x=24(141)x=3(142)x=3(143)x=3(144)x=2(145)x=2(146)x=2(147)x=2(148)x=3(149)x=7(150)x=13(151)x=3(152)x=23(153)x=2(154)x=4.9(155)x=0.2(156)x=6.2(157)x=0.5(158)x=0.4(159)x=2.7(160)x=0.3(161)x=0.2(162)x=1.8(163)x=2(164)x=13(165)x=6(166)x=8(167)x=31(168)x=26(169)x=4(170)x=29(171)x=66(172)x=1.1(173)x=0.5(174)x=1.1(175)x=2.3(176)x=0.2(177)x=2(178)x=0.6(179)x=1.4(180)x=1.3(181)x=23(182)x=50(183)x=3(184)x=46(185)x=19(186)x=56(187)x=35(188)x=5(189)x=6(190)x=42(191)x=17(192)x=2(193)x=4(194)x=25(195)x=15(196)x=4(197)x=6(198)x=3(199)x=30(200)x=3(201)x=36(202)x=8(203)x=45(204)x=21(205)x=14(206)x=5(207)x=2(208)x=13(209)x=68(210)x=38(211)x=15(212)x=23(213)x=2(214)x=91(215)x=42(216)x=13(217)x=0.9(218)x=0.2(219)x=3.7(220)x=7.9(221)x=2.6(222)x=0.5(223)x=1.1(224)x=1.8(225)x=4.1(226)x=10(227)x=12(228)x=17(229)x=9(230)x=2(231)x=8(232)x=5(233)x=3(234)x=13(235)x=1(236)x=0.2(237)x=0.6(238)x=1(239)x=1.1(240)x=0.2(241)x=0.2(242)x=2.7(243)x=1(244)x=15(245)x=12(246)x=56(247)x=4(248)x=32(249)x=64(250)x=12(251)x=3(252)x=2(253)x=2(254)x=24(255)x=3(256)x=5(257)x=2(258)x=3(259)x=24(260)x=4(261)x=45(262)x=0.2(263)x=0.8(264)x=2.4(265)x=2(266)x=0.2(267)x=2(268)x=0.4(269)x=7.7(270)x=0.2(271)x=4(272)x=14(273)x=12(274)x=15(275)x=2(276)x=5(277)x=4(278)x=33(279)x=9(280)x=10(281)x=17(282)x=8(283)x=12(284)x=7(285)x=18(286)x=26(287)x=6(288)x=21(289)x=14(290)x=10(291)x=9(292)x=8(293)x=3(294)x=4(295)x=25(296)x=12(297)x=5(298)x=35(299)x=2(300)x=10(301)x=22(302)x=16(303)x=6(304)x=9(305)x=8(306)x=10(307)x=18(308)x=12(309)x=21(310)x=28(311)x=14(312)x=8(313)x=12(314)x=11(315)x=9(316)x=12(317)x=16(318)x=3(319)x=10(320)x=5(321)x=3(322)x=27(323)x=13(324)x=44(325)x=3(326)x=3(327)x=3(328)x=2(329)x=8(330)x=11(331)x=4(332)x=12(333)x=6(334)x=14(335)x=11(336)x=21(337)x=9(338)x=21(339)x=21(340)x=5(341)x=7(342)x=10(343)x=23(344)x=34(345)x=13(346)x=6(347)x=5(348)x=2(349)x=20(350)x=12(351)x=3(352)x=0.4(353)x=8.1(354)x=1.9(355)x=0.9(356)x=0.8(357)x=3.1(358)x=1.3(359)x=0.6(360)x=7(361)x=6(362)x=10(363)x=9(364)x=9(365)x=10(366)x=11(367)x=4(368)x=7(369)x=24(370)x=0.7(371)x=1.8(372)x=0.9(373)x=3.4(374)x=1.9(375)x=0.2(376)x=1.2(377)x=0.2(378)x=1.8(379)x=11(380)x=10(381)x=17(382)x=11(383)x=8(384)x=10(385)x=42(386)x=9(387)x=12(388)x=1.1(389)x=0.7(390)x=1.8(391)x=0.5(392)x=2.4(393)