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+88=173(2)x+11=43(3)x+7=64(4)x+71=115(5)x+67=96(6)x+81=148(7)x+29=113(8)x+48=110(9)x+93=121(10)x-17=80(11)x-38=54(12)x-79=20(13)x-19=32(14)x-39=10(15)x-55=10(16)x-27=68(17)x-37=31(18)x-17=41(19)x+0.4=2.3(20)x+5=12.2(21)x+1.6=2.4(22)x+6.8=9.6(23)x+8.3=9.7(24)x+4.5=7.9(25)x+3.8=8(26)x+9.1=17.6(27)x+2.9=5(28)x-1.4=4(29)x-3.4=2.7(30)x-2.8=3.2(31)x-4=2.5(32)x-0.5=1.3(33)x-7=1.5(34)x-2.9=5.3(35)x-6.2=1.6(36)x-0.7=7.8(37)44+x=140(38)47+x=128(39)6+x=97(40)76+x=87(41)78+x=118(42)5+x=94(43)58+x=135(44)36+x=62(45)35+x=67(46)40-x=23(47)89-x=14(48)84-x=79(49)60-x=43(50)58-x=20(51)85-x=82(52)73-x=59(53)93-x=23(54)93-x=47(55)3.4+x=11.4(56)3.9+x=8.9(57)1.9+x=3.5(58)5.1+x=9.9(59)3.6+x=6.3(60)4.4+x=11.4(61)5.3+x=13(62)3+x=9(63)1.4+x=4.4(64)9.5-x=7.6(65)5.1-x=1.1(66)7.9-x=3.1(67)6.9-x=2.2(68)4.2-x=2.2(69)9-x=5(70)8.6-x=3.3(71)8-x=2.1(72)8.5-x=6.5(73)10x=140(74)11x=132(75)8x=152(76)27x=81(77)26x=182(78)2x=28(79)4x=84(80)5x=75(81)40x=120(82)5.4x=16.2(83)0.8x=9.6(84)2.9x=11.6(85)0.5x=13.5(86)0.2x=7.2(87)1.3x=7.8(88)1.1x=4.4(89)2x=14(90)0.7x=15.4(91)47x=9.4(92)11x=9.9(93)12x=15.6(94)4x=11.2(95)15x=3(96)59x=17.7(97)4x=3.2(98)3x=17.4(99)3x=4.5(100)48÷x=16(101)30÷x=5(102)168÷x=6(103)168÷x=24(104)42÷x=2(105)24÷x=2(106)154÷x=11(107)108÷x=2(108)49÷x=7(109)5.2÷x=2.6(110)9.6÷x=0.4(111)8÷x=4(112)4.2÷x=0.3(113)2.4÷x=1.2(114)13.8÷x=0.6(115)13.6÷x=0.2(116)9.6÷x=4.8(117)2.4÷x=0.3(118)x÷23=6(119)x÷3=2(120)x÷46=3(121)x÷4=31(122)x÷24=7(123)x÷5=27(124)x÷5=37(125)x÷6=8(126)x÷11=16(127)x÷8=1(128)x÷58=0.3(129)x÷4=2.2(130)x÷86=0.2(131)x÷19=0.5(132)x÷6=2.8(133)x÷18=1(134)x÷24=0.7(135)x÷3=4.6(136)3x+19=214(137)9x+57=102(138)4x+14=42(139)16x+42=106(140)64x+45=237(141)5x+43=158(142)16x+52=244(143)5x+10=205(144)4x+33=113(145)23x-29=63(146)5x-50=85(147)2x-58=112(148)11x-27=83(149)12x-27=105(150)4x-30=150(151)10x-11=129(152)2x-33=127(153)26x-43=113(154)23x+5.8=19.6(155)6x+5.3=11.3(156)3x+3.4=8.8(157)9x+5.2=20.5(158)3x+3.3=11.4(159)28x+3.2=22.8(160)3x+5.9=15.2(161)17x+1.3=18.3(162)53x+3.1=13.7(163)2.8x+3.7=14.9(164)1.1x+1.1=15.4(165)3.6x+3.1=21.1(166)0.7x+4.1=9.7(167)0.8x+4.1=15.3(168)2.8x+4.3=18.3(169)0.3x+3=9.9(170)0.3x+2.3=5(171)3.4x+2.8=9.6(172)28x-2.1=6.3(173)4x-4.5=6.3(174)18x-5.5=1.7(175)26x-4.2=8.8(176)6x-1.8=1.2(177)3x-2.5=1.1(178)45x-2.2=11.3(179)2x-1.3=14.5(180)2x-3.3=6.9(181)2.9x-3.2=2.6(182)6.3x-3.3=9.3(183)0.3x-1.1=15.7(184)6.8x-3.2=10.4(185)2x-2.1=1.9(186)0.2x-1.8=12(187)6.3x-2.4=16.5(188)0.2x-2.8=10(189)5.8x-2.7=8.9(190)144+3x=291(191)85+7x=155(192)176+38x=328(193)102+3x=126(194)52+92x=236(195)45+4x=197(196)111+3x=249(197)146+13x=289(198)191+14x=219(199)96-19x=20(200)199-6x=133(201)123-3x=24(202)78-8x=30(203)189-5x=44(204)173-8x=141(205)117-2x=75(206)159-4x=43(207)145-2x=69(208)9.5+4.5x=27.5(209)11.2+5.5x=27.7(210)19.5+0.4x=34.7(211)16.9+0.5x=24.4(212)16.7+0.8x=29.5(213)11.3+0.5x=19.3(214)16.5+0.3x=28.2(215)19+2.9x=30.6(216)18.7+0.9x=20.5(217)8.3+2x=16.5(218)17.9+2x=26.3(219)7.9+3x=8.8(220)2.7+3x=15.3(221)12+4x=24.8(222)13.2+16x=32.4(223)12.3+17x=31(224)10.6+7x=26.7(225)7.4+20x=15.4(226)14.2-1.1x=2.1(227)9.7-0.2x=5.3(228)16.1-0.8x=2.5(229)18.6-0.6x=17.4(230)4.5-0.4x=2.5(231)18.5-0.8x=11.3(232)16.8-0.4x=2(233)12.3-1.2x=3.9(234)16.8-3x=7.8(235)7.4-5x=6.4(236)11.1-5x=7.6(237)13.3-8x=7.7(238)19.5-5x=1.5(239)16.8-6x=4.2(240)13.6-3x=3.1(241)8.1-3x=5.1(242)7.6-3x=1.9(243)18.6-51x=3.3(244)35x÷5=14(245)15x÷50=3(246)57x÷19=6(247)5x÷18=10(248)34x÷17=8(249)10x÷8=20(250)4x÷72=2(251)36x÷9=12(252)3x÷75=2(253)0.5x÷25=0.4(254)0.8x÷2=2.4(255)0.3x÷99=0.2(256)0.5x÷20=0.8(257)0.7x÷3=2.8(258)0.3x÷6=0.8(259)1.2x÷20=0.6(260)0.4x÷8=1.5(261)0.2x÷4=1.6(262)5x÷7=2.5(263)2x÷49=0.4(264)42x÷14=0.9(265)9x÷72=0.2(266)2x÷8=1.8(267)21x÷7=0.6(268)3x÷7=0.9(269)52x÷39=0.4(270)80x÷20=0.8(271)3x+13x=224(272)14x+3x=187(273)12x+17x=319(274)3x+14x=153(275)12x+6x=90(276)9x+8x=119(277)9x+10x=304(278)7x+9x=48(279)4x+16x=120(280)10x-4x=36(281)11x-9x=12(282)18x-16x=10(283)9x-3x=48(284)18x-5x=26(285)13x-2x=77(286)12x-4x=112(287)9x-3x=120(288)7x-4x=51(289)2.6x+3x=84(290)7.4x+5.4x=51.2(291)8.9x+5x=125.1(292)3.5x+4.6x=48.6(293)7.5x+4.1x=139.2(294)0.2x+2.6x=50.4(295)9.8x+8.5x=73.2(296)3.8x+9.4x=118.8(297)4.8x+4.2x=162(298)5.8x-5.6x=3(299)5.1x-3.4x=27.2(300)9.4x-7.4x=12(301)2x-0.8x=18(302)3.5x-1.9x=8(303)1x-0.4x=7.2(304)9.5x-6.8x=24.3(305)6.9x-6.7x=2(306)7.2x-2x=52(307)10x+6x+3=291(308)5x+3x+10=210(309)3x+12x+37=172(310)13x+4x+9=94(311)6x+16x+5=159(312)9x+16x+45=195(313)8x+11x+14=109(314)3x+7x+28=48(315)9x+17x+39=117(316)14x+12x-23=237(317)5x+10x-3=27(318)6x+7x-5=307(319)17x+9x-37=119(320)6x+2x-49=207(321)7x+3x-43=187(322)10x+3x-16=36(323)7x+11x-35=199(324)16x+2x-47=25(325)18x-6x+29=77(326)17x-11x+48=90(327)18x-11x+43=57(328)17x-10x+30=65(329)19x-3x+8=136(330)13x-2x+47=91(331)14x-8x+2=20(332)14x-10x+47=99(333)4x-2x+33=49(334)18x-5x-5=47(335)18x-9x-36=36(336)9x-5x-28=60(337)16x-2x-47=107(338)16x-2x-34=36(339)9x-3x-38=82(340)9x-2x-21=35(341)13x-3x-14=136(342)15x-8x-5=58(343)1.3x+0.5x+0.5=7.7(344)3.2x+8.5x+3.1=131.8(345)5x+2.3x+2.2=140.9(346)2.2x+2.3x+4.5=126(347)6.2x+1.9x+1.3=90.4(348)0.2x+5.5x+1.5=92.7(349)0.3x+6x+1=95.5(350)1.2x+0.4x+1.2=44.4(351)8.4x+4.6x+4.8=69.8(352)43x+20x+2.7=15.3(353)36x+8x+2=76.8(354)37x+6x+0.6=78(355)25x+17x+1=101.8(356)94x+54x+0.8=89.6(357)81x+94x+2.3=54.8(358)55x+25x+4.7=148.7(359)68x+82x+0.8=165.8(360)18x+34x+3.1=107.1(361)3.5x+1.1x-4.2=101.6(362)3.7x+0.7x-3.2=115.6(363)0.4x+0.2x-3=15.6(364)8.9x+3.4x-3.3=21.3(365)8.3x+6.6x-2.7=71.8(366)9.3x+2.9x-3.9=57.1(367)6.7x+3.2x-1.8=47.7(368)1.7x+7.7x-0.3=37.3(369)0.4x+2.3x-2.6=13.6(370)20x+16x-0.3=150.9(371)21x+12x-2.8=53.3(372)35x+59x-2.7=128.9(373)78x+72x-2.2=132.8(374)78x+77x-0.6=154.4(375)63x+83x-0.5=174.7(376)21x+10x-1.4=113.3(377)46x+43x-2=158.2(378)51x+3x-3.4=56(379)5.7x-0.7x+4=14(380)6.3x-2.9x+1.1=31.7(381)2.7x-1.4x+4.4=27.8(382)1.5x-0.7x+4.9=38.5(383)2.5x-1.2x+1=10.1(384)5x-4.1x+0.7=16(385)1.6x-0.5x+4.3=41.7(386)0.5x-0.3x+3.4=21(387)2x-1.2x+1.7=19.3(388)57x-19x+0.2=61(389)10x-8x+0.9=16.5(390)86x-32x+4.5=36.9(391)38x-5x+3.8=69.8(392)17x-2x+2.2=20.2(393)92x-41x+3.8=54.8(394)65x-43x+3.2=14.2(395)97x-55x+0.3=8.7(396)38x-3x+3.8=24.8(397)8.4x-0.4x-3.8=84.2(398)9.3x-3x-3.5=40.6(399)2.5x-1.6x-4.6=27.8(400)0.7x-0.5x-2.5=17.1(401)2.8x-1.8x-4.4=22.6(402)5.3x-5x-1.1=2.5(403)7.6x-6.7x-2.2=8.6(404)8.5x-4.9x-1.2=13.2(405)8.7x-0.3x-1=57.8(406)77x-28x-0.3=58.5(407)47x-3x-3.8=71(408)54x-20x-4.6=22.6(409)97x-86x-1.8=3.7(410)68x-34x-2.2=11.4(411)99x-82x-4.5=2.3(412)91x-78x-4.8=4.3(413)27x-5x-4.7=37.1(414)75x-54x-1.1=15.7(415)24x+2×25=194(416)5x+26×7=297(417)2x+75×2=212(418)24x+11×14=322(419)2x+2×86=200(420)6x+44×4=248(421)9x+3×14=132(422)22x+6×5=206(423)29x+25×8=287(424)6x-2×31=40(425)28x-44×3=64(426)15x-49×2=22(427)3x-23×3=102(428)19x-2×45=100(429)7x-11×16=13(430)9x-2×64=34(431)7x-18×3=128(432)10x-6×30=20(433)2.9x+0.5×23=17.3(434)0.2x+0.7×28=23.4(435)0.5x+3.9×4=22.6(436)2.2x+2.8×2=25.4(437)0.8x+1.1×3=5.7(438)0.3x+2.3×5=18.7(439)0.3x+2.7×4=22.2(440)3.6x+3.9×4=30(441)1.1x+0.9×21=34.3(442)4x+12×0.9=22.4(443)2x+3×1.4=11.4(444)31x+5×1.6=23.5(445)11x+2×3.3=8.8(446)9x+13×1.1=19.7(447)19x+14×1=29.2(448)4x+2×4.8=13.2(449)30x+5×2.5=30.5(450)26x+5×0.6=16(451)0.7x-1.6×8=3.3(452)2.7x-3.3×3=9(453)0.2x-1.1×5=2.5(454)0.7x-1.9×4=5.7(455)0.6x-0.9×10=3(456)1.5x-1.3×10=2(457)0.4x-0.6×4=9.2(458)1.1x-3.3×2=12.1(459)0.7x-4.2×3=4.9(460)49x-2×2.6=9.5(461)35x-19×0.4=2.9(462)18x-2×0.3=4.8(463)4x-33×0.4=2.8(464)2x-3×0.6=2.2(465)5x-2×0.6=17.8(466)8x-3×1.6=15.2(467)25x-3×4.5=6.5(468)5x-5×1.6=6(469)5(x+3)=70(470)3(9x+12)=144(471)2(17x+30)=162(472)2(20x+29)=178(473)3(6x+42)=198(474)4(3x+12)=96(475)2(11x+17)=144(476)2(2x+19)=170(477)2(x+27)=136(478)3(26x-15)=111(479)7(4x-34)=70(480)15(10x-48)=180(481)5(25x-35)=75(482)2(4x-35)=162(483)2(5x-32)=146(484)4(15x-13)=128(485)2(2x-17)=130(486)6(5x-7)=138(487)2(0.3x+5.4)=29.4(488)2(2x+2.3)=32.6(489)9(0.7x+2.1)=37.8(490)4(2.8x+4)=49.6(491)19(0.2x+0.2)=38(492)2(5.2x+1.9)=24.6(493)2(0.2x+0.8)=12.4(494)3(0.5x+0.6)=19.8(495)2(0.4x+4.7)=17.4(496)22(0.4x-8.6)=30.8(497)15(3.3x-3.9)=40.5(498)5(0.3x-4.8)=42(499)5(3.1x-4.8)=22.5(500)6(0.6x-7.1)=25.8(501)3(1.4x-6.5)=5.7(502)2(0.9x-9.1)=30.4(503)9(0.2x-4.9)=22.5(504)12(0.4x-5.7)=46.8(505)(15x+39)÷3=78(506)(13x+30)÷8=7(507)(4x+20)÷4=23(508)(8x+5)÷11=15(509)(15x+15)÷6=30(510)(10x+30)÷30=3(511)(15x+15)÷6=20(512)(4x+28)÷8=18(513)(x+28)÷9=6(514)(14x-10)÷4=50(515)(5x-10)÷5=21(516)(3x-12)÷6=9(517)(3x-34)÷4=5(518)(18x-18)÷6=9(519)(12x-2)÷2=53(520)(11x-18)÷16=3(521)(14x-44)÷12=1(522)(15x-14)÷4=19(523)(1.7x+5.2)÷9=1.9(524)(5.7x+6.8)÷13=1.4(525)(5.3x+6.6)÷26=2.7(526)(5.9x+4.8)÷3=31.1(527)(0.5x+3.7)÷3=2.9(528)(3x+7.5)÷9=1.5(529)(9.8x+1.8)÷8=8.8(530)(3.1x+1.7)÷21=2(531)(3.5x+8.5)÷2=13(532)(5.7x-3.8)÷19=1.9(533)(5.3x-5.9)÷7=9(534)(4.4x-8.8)÷11=5.6(535)(1.7x-5.1)÷17=0.9(536)(9.8x-4.4)÷2=12.5(537)(4.9x-2)÷2=28.4(538)(5.5x-3.7)÷27=1.9(539)(9.5x-0.5)÷14=2(540)(9.4x-0.2)÷39=1.2参考答案(1)x=85(2)x=32(3)x=57(4)x=44(5)x=29(6)x=67(7)x=84(8)x=62(9)x=28(10)x=97(11)x=92(12)x=99(13)x=51(14)x=49(15)x=65(16)x=95(17)x=68(18)x=58(19)x=1.9(20)x=7.2(21)x=0.8(22)x=2.8(23)x=1.4(24)x=3.4(25)x=4.2(26)x=8.5(27)x=2.1(28)x=5.4(29)x=6.1(30)x=6(31)x=6.5(32)x=1.8(33)x=8.5(34)x=8.2(35)x=7.8(36)x=8.5(37)x=96(38)x=81(39)x=91(40)x=11(41)x=40(42)x=89(43)x=77(44)x=26(45)x=32(46)x=17(47)x=75(48)x=5(49)x=17(50)x=38(51)x=3(52)x=14(53)x=70(54)x=46(55)x=8(56)x=5(57)x=1.6(58)x=4.8(59)x=2.7(60)x=7(61)x=7.7(62)x=6(63)x=3(64)x=1.9(65)x=4(66)x=4.8(67)x=4.7(68)x=2(69)x=4(70)x=5.3(71)x=5.9(72)x=2(73)x=14(74)x=12(75)x=19(76)x=3(77)x=7(78)x=14(79)x=21(80)x=15(81)x=3(82)x=3(83)x=12(84)x=4(85)x=27(86)x=36(87)x=6(88)x=4(89)x=7(90)x=22(91)x=0.2(92)x=0.9(93)x=1.3(94)x=2.8(95)x=0.2(96)x=0.3(97)x=0.8(98)x=5.8(99)x=1.5(100)x=3(101)x=6(102)x=28(103)x=7(104)x=21(105)x=12(106)x=14(107)x=54(108)x=7(109)x=2(110)x=24(111)x=2(112)x=14(113)x=2(114)x=23(115)x=68(116)x=2(117)x=8(118)x=138(119)x=6(120)x=138(121)x=124(122)x=168(123)x=135(124)x=185(125)x=48(126)x=176(127)x=8(128)x=17.4(129)x=8.8(130)x=17.2(131)x=9.5(132)x=16.8(133)x=18(134)x=16.8(135)x=13.8(136)x=65(137)x=5(138)x=7(139)x=4(140)x=3(141)x=23(142)x=12(143)x=39(144)x=20(145)x=4(146)x=27(147)x=85(148)x=10(149)x=11(150)x=45(151)x=14(152)x=80(153)x=6(154)x=0.6(155)x=1(156)x=1.8(157)x=1.7(158)x=2.7(159)x=0.7(160)x=3.1(161)x=1(162)x=0.2(163)x=4(164)x=13(165)x=5(166)x=8(167)x=14(168)x=5(169)x=23(170)x=9(171)x=2(172)x=0.3(173)x=2.7(174)x=0.4(175)x=0.5(176)x=0.5(177)x=1.2(178)x=0.3(179)x=7.9(180)x=5.1(181)x=2(182)x=2(183)x=56(184)x=2(185)x=2(186)x=69(187)x=3(188)x=64(189)x=2(190)x=49(191)x=10(192)x=4(193)x=8(194)x=2(195)x=38(196)x=46(197)x=11(198)x=2(199)x=4(200)x=11(201)x=33(202)x=6(203)x=29(204)x=4(205)x=21(206)x=29(207)x=38(208)x=4(209)x=3(210)x=38(211)x=15(212)x=16(213)x=16(214)x=39(215)x=4(216)x=2(217)x=4.1(218)x=4.2(219)x=0.3(220)x=4.2(221)x=3.2(222)x=1.2(223)x=1.1(224)x=2.3(225)x=0.4(226)x=11(227)x=22(228)x=17(229)x=2(230)x=5(231)x=9(232)x=37(233)x=7(234)x=3(235)x=0.2(236)x=0.7(237)x=0.7(238)x=3.6(239)x=2.1(240)x=3.5(241)x=1(242)x=1.9(243)x=0.3(244)x=2(245)x=10(246)x=2(247)x=36(248)x=4(249)x=16(250)x=36(251)x=3(252)x=50(253)x=20(254)x=6(255)x=66(256)x=32(257)x=12(258)x=16(259)x=10(260)x=30(261)x=32(262)x=3.5(263)x=9.8(264)x=0.3(265)x=1.6(266)x=7.2(267)x=0.2(268)x=2.1(269)x=0.3(270)x=0.2(271)x=14(272)x=11(273)x=11(274)x=9(275)x=5(276)x=7(277)x=16(278)x=3(279)x=6(280)x=6(281)x=6(282)x=5(283)x=8(284)x=2(285)x=7(286)x=14(287)x=20(288)x=17(289)x=15(290)x=4(291)x=9(292)x=6(293)x=12(294)x=18(295)x=4(296)x=9(297)x=18(298)x=15(299)x=16(300)x=6(301)x=15(302)x=5(303)x=12(304)x=9(305)x=10(306)x=10(307)x=18(308)x=25(309)x=9(310)x=5(311)x=7(312)x=6(313)x=5(314)x=2(315)x=3(316)x=10(317)x=2(318)x=24(319)x=6(320)x=32(321)x=23(322)x=4(323)x=13(324)x=4(325)x=4(326)x=7(327)x=2(328)x=5(329)x=8(330)x=4(331)x=3(332)x=13(333)x=8(334)x=4(335)x=8(336)x=22(337)x=11(338)x=5(339)x=20(340)x=8(341)x=15(342)x=9(343)x=4(344)x=11(345)x=19(346)x=27(347)x=11(348)x=16(349)x=15(350)x=27(351)x=5(352)x=0.2(353)x=1.7(354)x=1.8(355)x=2.4(356)x=0.6(357)x=0.3(358)x=1.8(359)x=1.1(360)x=2(361)x=23(362)x=27(363)x=31(364)x=2(365)x=5(366)x=5(367)x=5(368)x=4(369)x=6(370)x=4.2(371)x=1.7(372)x=1.4(373)x=0.9(374)x=1(375)x=1.2(376)x=3.7(377)x=1.8(378)x=1.1(379)x=2(380)x=9(381)x=18(382)x=42(383)x=7(384)x=17(385)x=34(386)x=88(387)x=22(388)x=1.6(389)x=7.8(390)x=0.6(391)x=2(392)x=1.2