五年級數(shù)學(xué)(方程)專項練習(xí)題及答案

五年級數(shù)學(xué)(方程)專項練習(xí)題及答案(1)x+11=90(2)x+69=166(3)x+94=133(4)x+2=40(5)x+56=147(6)x+8=45(7)x+3=66(8)x+33=59(9)x+11=42(10)x-3=95(11)x-13=43(12)x-37=35(13)x-4=79(14)x-35=12(15)x-35=35(16)x-4=69(17)x-54=33(18)x-31=22(19)x+2.5=9.6(20)x+8.1=17.9(21)x+3.6=3.9(22)x+1.4=10.3(23)x+3.1=6.7(24)x+8.8=10.8(25)x+2.9=6(26)x+9.7=16.1(27)x+5.8=7.3(28)x-6.6=2.4(29)x-4.8=3.3(30)x-5.8=2.6(31)x-3.7=3.8(32)x-1.9=5.2(33)x-8.2=1(34)x-6=2.8(35)x-4.8=3.6(36)x-2.9=4.2(37)90+x=137(38)67+x=104(39)31+x=127(40)93+x=128(41)27+x=35(42)5+x=51(43)11+x=51(44)73+x=111(45)24+x=57(46)18-x=14(47)80-x=27(48)67-x=29(49)91-x=21(50)53-x=36(51)90-x=55(52)76-x=35(53)75-x=12(54)85-x=44(55)2.4+x=7.5(56)3.4+x=10.4(57)6.8+x=14.3(58)4.5+x=11.1(59)7.8+x=8(60)7.4+x=15.1(61)7.3+x=15.8(62)9.9+x=12.3(63)9.8+x=18.9(64)7.8-x=3.4(65)7.9-x=5.4(66)5.1-x=4.7(67)5.9-x=4.1(68)8.7-x=3.6(69)6.9-x=5.7(70)6.9-x=1(71)2.7-x=2.5(72)8-x=4.3(73)10x=120(74)11x=165(75)53x=159(76)3x=105(77)32x=160(78)8x=96(79)3x=66(80)2x=180(81)9x=189(82)1.5x=19.5(83)0.5x=14.5(84)1.4x=19.6(85)0.3x=8.7(86)0.3x=19.2(87)1x=14(88)4.8x=19.2(89)8x=16(90)8.3x=16.6(91)4x=10(92)44x=17.6(93)4x=4.4(94)6x=13.8(95)32x=12.8(96)10x=3(97)6x=9.6(98)48x=9.6(99)12x=7.2(100)21÷x=7(101)104÷x=8(102)156÷x=12(103)135÷x=5(104)171÷x=19(105)55÷x=11(106)132÷x=33(107)82÷x=41(108)188÷x=4(109)9÷x=0.9(110)15.3÷x=1.7(111)9.8÷x=0.2(112)16.8÷x=2.8(113)3÷x=0.5(114)19.5÷x=3.9(115)13.2÷x=1.2(116)2.4÷x=0.2(117)3.6÷x=0.4(118)x÷16=7(119)x÷6=29(120)x÷8=9(121)x÷64=3(122)x÷4=45(123)x÷3=39(124)x÷37=2(125)x÷41=2(126)x÷49=3(127)x÷10=1.3(128)x÷96=0.2(129)x÷56=0.2(130)x÷2=3.9(131)x÷10=1.5(132)x÷3=1(133)x÷58=0.3(134)x÷40=0.2(135)x÷6=2.2(136)25x+23=123(137)13x+30=147(138)2x+37=193(139)53x+47=206(140)12x+58=226(141)43x+36=122(142)11x+42=218(143)5x+10=195(144)8x+50=250(145)2x-43=87(146)3x-33=84(147)3x-25=131(148)2x-31=107(149)3x-16=158(150)22x-26=40(151)14x-29=27(152)9x-33=66(153)2x-34=52(154)97x+3.8=23.2(155)2x+2.4=20.8(156)2x+4.5=5.1(157)10x+4.4=9.4(158)3x+2.3=12.2(159)21x+4.7=15.2(160)2x+3.5=11.7(161)12x+3.4=21.4(162)42x+5.2=22(163)3.5x+2.6=16.6(164)6.4x+1.7=14.5(165)1.5x+2.8=10.3(166)0.6x+5=15.2(167)2.1x+1.6=7.9(168)4.6x+4=17.8(169)3.8x+2.3=9.9(170)0.5x+5.5=8(171)0.8x+4.3=14.7(172)7x-4.1=11.3(173)12x-5.5=4.1(174)20x-5.8=8.2(175)66x-4.6=8.6(176)7x-4.6=4.5(177)6x-1.2=12(178)29x-2=6.7(179)3x-2.7=3.6(180)81x-5.1=11.1(181)0.6x-1.6=15.8(182)0.2x-2.9=15.3(183)1x-1.5=7.5(184)0.3x-5.3=5.8(185)0.2x-2.3=13.7(186)0.4x-4.8=4(187)0.2x-4.4=4.6(188)1.8x-2=17.8(189)4.7x-3.9=14.9(190)77+3x=83(191)61+22x=215(192)11+21x=74(193)131+19x=188(194)102+8x=230(195)188+74x=336(196)174+13x=291(197)162+51x=264(198)47+2x=215(199)45-4x=29(200)153-24x=105(201)64-7x=22(202)191-31x=36(203)113-3x=17(204)123-31x=30(205)187-7x=19(206)194-3x=68(207)183-11x=150(208)2.8+0.5x=19.3(209)9+0.2x=15.8(210)6.5+0.6x=22.1(211)2.5+0.2x=6.9(212)2.3+0.3x=15.5(213)5.4+0.2x=14.4(214)13.8+0.6x=33(215)1.3+0.2x=15.3(216)4.1+0.3x=6.5(217)1.9+12x=4.3(218)8.9+95x=27.9(219)3.8+6x=21.8(220)10.5+12x=17.7(221)15.1+3x=27.7(222)11.7+6x=24.3(223)6.2+7x=13.9(224)6.8+4x=24.4(225)18.6+2x=30.8(226)16.3-0.2x=2.9(227)19-1.2x=4.6(228)12.1-1.3x=6.9(229)12.5-0.2x=2.3(230)13.8-0.8x=10.6(231)9.5-2.7x=1.4(232)9.4-0.3x=3.4(233)18-6.7x=4.6(234)19-0.3x=2.8(235)10-8x=8.4(236)19.7-2x=12.9(237)15.9-3x=4.8(238)18-2x=16.8(239)11.9-13x=2.8(240)16.1-5x=5.6(241)17.7-3x=6(242)7.4-4x=1.4(243)14.1-26x=8.9(244)14x÷7=18(245)63x÷9=21(246)77x÷22=7(247)8x÷6=4(248)24x÷4=36(249)20x÷4=15(250)2x÷7=10(251)10x÷35=2(252)30x÷12=15(253)0.2x÷13=1.2(254)6.6x÷11=1.8(255)0.2x÷19=0.6(256)0.6x÷7=2.4(257)0.2x÷24=0.6(258)1.2x÷21=0.8(259)0.4x÷12=0.9(260)5.6x÷24=0.7(261)2x÷8=0.5(262)20x÷8=0.5(263)2x÷8=2.4(264)40x÷5=3.2(265)2x÷10=0.6(266)45x÷9=2(267)18x÷36=0.5(268)6x÷40=0.3(269)3x÷33=0.4(270)3x÷21=0.9(271)12x+11x=138(272)10x+6x=176(273)12x+3x=225(274)12x+9x=126(275)5x+19x=240(276)19x+12x=217(277)8x+9x=170(278)8x+7x=90(279)5x+7x=144(280)8x-3x=100(281)14x-2x=84(282)18x-5x=78(283)19x-4x=75(284)12x-2x=140(285)7x-4x=48(286)14x-12x=18(287)6x-4x=20(288)5x-3x=44(289)0.4x+4x=52.8(290)4.5x+7x=161(291)4x+4.9x=44.5(292)2.5x+0.9x=81.6(293)1.6x+7.5x=63.7(294)5.4x+6.2x=174(295)0.6x+2.9x=70(296)2.4x+1.4x=22.8(297)0.6x+0.2x=25.6(298)4.9x-2.9x=18(299)2.9x-2.6x=10.2(300)1.1x-0.3x=12.8(301)8.5x-4.9x=21.6(302)8.6x-3.1x=49.5(303)9x-7.8x=13.2(304)9.6x-3.4x=24.8(305)3.3x-1.7x=3.2(306)7.7x-0.7x=63(307)17x+19x+6=330(308)4x+5x+14=131(309)5x+15x+33=233(310)3x+9x+9=273(311)2x+16x+16=106(312)19x+4x+37=175(313)15x+10x+7=57(314)3x+15x+44=80(315)2x+12x+48=90(316)14x+15x-35=342(317)19x+9x-22=258(318)5x+14x-10=47(319)18x+6x-7=113(320)12x+13x-18=207(321)10x+17x-36=99(322)11x+5x-39=169(323)4x+18x-31=35(324)8x+18x-19=137(325)14x-11x+22=61(326)11x-3x+25=105(327)13x-2x+45=122(328)13x-10x+16=58(329)11x-4x+15=141(330)10x-3x+27=132(331)14x-6x+5=69(332)19x-9x+28=128(333)13x-8x+11=66(334)19x-13x-10=32(335)6x-4x-12=34(336)8x-2x-44=28(337)15x-7x-6=26(338)12x-4x-27=77(339)8x-3x-46=34(340)14x-4x-19=71(341)10x-5x-2=88(342)9x-3x-13=17(343)2.4x+3.4x+1.9=129.5(344)6.1x+0.7x+0.8=21.2(345)7.9x+4.9x+4.2=42.6(346)2.3x+9.4x+0.3=35.4(347)0.9x+1.2x+2.6=111.8(348)0.4x+9.1x+4.3=80.3(349)2.2x+7.9x+3.2=63.8(350)3.5x+7.9x+0.8=114.8(351)6.3x+6.4x+3.8=143.5(352)71x+29x+4.9=74.9(353)41x+13x+2.8=89.2(354)27x+34x+2.6=142.9(355)29x+2x+0.3=84(356)93x+66x+4.2=131.4(357)23x+36x+1.8=66.7(358)34x+57x+1.7=120(359)18x+10x+2.6=148.2(360)22x+89x+4.6=37.9(361)3.8x+2.5x-2.2=73.4(362)8.3x+4.1x-3.5=95.7(363)5.9x+9.5x-1.7=90.7(364)4.6x+2.9x-3.1=41.9(365)3.2x+6.4x-1.5=27.3(366)6.1x+3.4x-2.4=102.1(367)4x+1.2x-0.7=98.1(368)2.9x+4.1x-1.7=54.3(369)2.4x+6.4x-0.7=113.7(370)86x+52x-1=81.8(371)20x+24x-1.1=38.5(372)6x+8x-0.4=122.8(373)67x+76x-0.3=42.6(374)2x+78x-2.5=61.5(375)17x+33x-2.2=12.8(376)10x+82x-4.7=68.9(377)62x+30x-2.6=43.4(378)95x+48x-1.7=127(379)4.5x-2.9x+1.2=12.4(380)8x-4.2x+3.8=26.6(381)8.2x-7.5x+2.7=8.3(382)2.8x-1x+2.4=58.2(383)9.8x-8.2x+1.9=8.3(384)9.4x-1.6x+2.8=34(385)1.7x-1.3x+4.2=6.6(386)1x-0.8x+4.6=10.2(387)3.5x-1x+1.8=14.3(388)95x-6x+3.8=48.3(389)94x-12x+4.6=29.2(390)49x-31x+4.6=19(391)54x-4x+1=16(392)91x-16x+4=64(393)79x-34x+1.2=19.2(394)36x-31x+1.7=2.7(395)12x-3x+2.2=38.2(396)54x-19x+3.2=55.7(397)9.8x-7.7x-1.5=4.8(398)0.9x-0.6x-3.8=24.1(399)5x-4.5x-0.9=8.6(400)8.6x-4.2x-4.5=4.3(401)7.1x-6.3x-2.4=8.8(402)5.4x-1.9x-2.7=4.3(403)8.8x-2.7x-4.9=50(404)9.2x-1.7x-2.8=27.2(405)4.5x-2.7x-1=31.4(406)16x-2x-1.7=9.5(407)15x-2x-4.9=28.9(408)13x-2x-0.2=6.4(409)57x-34x-4.4=18.6(410)45x-12x-0.5=29.2(411)65x-44x-4.6=12.2(412)80x-35x-4.7=40.3(413)58x-51x-4.6=5.9(414)33x-15x-4.5=6.3(415)12x+8×18=312(416)22x+19×10=300(417)7x+38×5=274(418)15x+2×90=285(419)22x+4×28=288(420)3x+14×4=71(421)3x+4×43=349(422)13x+2×27=80(423)5x+26×5=265(424)8x-39×4=44(425)4x-5×9=51(426)9x-6×24=54(427)3x-14×8=47(428)5x-2×12=101(429)3x-2×67=31(430)10x-2×12=66(431)3x-9×2=75(432)7x-2×46=62(433)3.2x+0.7×18=28.6(434)0.2x+0.2×4=4.6(435)1.3x+0.7×16=13.8(436)0.7x+4.7×2=15.7(437)2x+4×5=26(438)2x+0.3×20=16(439)3.5x+2.1×8=30.8(440)0.2x+2.8×6=18.2(441)4.8x+3.8×2=22(442)19x+3×1.1=16.6(443)2x+4×0.3=7.2(444)25x+4×2.5=15(445)4x+11×0.6=16.6(446)37x+3×4.5=20.9(447)4x+3×2.8=22.8(448)2x+14×1.3=23.6(449)28x+25×0.8=34(450)5x+18×0.3=22.4(451)1.5x-0.8×6=2.7(452)1x-1.1×2=15.8(453)3.5x-0.9×6=1.6(454)0.3x-0.3×29=3(455)3.2x-0.2×23=14.6(456)1.7x-0.3×35=1.4(457)1.3x-0.2×37=3(458)3x-0.5×7=8.5(459)4x-0.6×22=2.8(460)18x-7×0.3=14.1(461)17x-2×0.8=10.3(462)34x-17×0.5=8.5(463)32x-17×0.9=3.9(464)3x-5×0.4=7(465)5x-3×3.9=8.3(466)43x-11×0.2=6.4(467)44x-6×1=11.6(468)9x-9×0.5=15.3(469)2(3x+45)=120(470)5(3x+5)=85(471)7(x+2)=105(472)3(2x+6)=108(473)19(x+6)=190(474)2(2x+16)=148(475)4(x+14)=96(476)2(5x+35)=120(477)2(x+34)=84(478)5(2x-37)=85(479)3(13x-20)=174(480)4(6x-46)=200(481)2(12x-25)=166(482)3(5x-25)=105(483)5(x-20)=90(484)2(26x-41)=22(485)9(17x-33)=162(486)3(3x-3)=54(487)4(0.6x+2.3)=50(488)2(0.2x+8.9)=36.6(489)3(0.2x+4.6)=18.6(490)12(0.2x+0.3)=34.8(491)3(0.9x+8.5)=41.7(492)3(0.6x+3.2)=22.2(493)4(0.2x+0.2)=33.6(494)5(0.2x+4.5)=24.5(495)3(0.4x+0.2)=46.2(496)2(4.2x-3.6)=34.8(497)12(0.4x-9.2)=48(498)2(0.5x-5.6)=3.8(499)26(0.2x-4.7)=39(500)3(1.6x-3.3)=28.5(501)23(0.2x-4.8)=46(502)3(2.1x-0.7)=16.8(503)8(0.3x-2.7)=28.8(504)2(0.2x-1.8)=11.2(505)(4x+20)÷8=10(506)(12x+18)÷6=13(507)(15x+43)÷4=67(508)(17x+45)÷2=116(509)(8x+11)÷39=5(510)(4x+22)÷11=10(511)(7x+17)÷26=2(512)(7x+48)÷3=44(513)(7x+6)÷13=8(514)(2x-3)÷3=15(515)(19x-43)÷5=37(516)(6x-30)÷6=11(517)(12x-3)÷9=5(518)(6x-24)÷6=22(519)(9x-7)÷11=19(520)(15x-17)÷34=7(521)(18x-27)÷3=51(522)(10x-6)÷7=32(523)(5.2x+1)÷38=0.3(524)(8.5x+4.7)÷2=49.1(525)(7.2x+8.8)÷28=1.6(526)(7.9x+5.1)÷8=3.6(527)(3.2x+3.5)÷9=1.1(528)(4.2x+3.2)÷2=31(529)(2.8x+8.4)÷10=2.8(530)(1.7x+7.6)÷2=5.5(531)(3.7x+2.8)÷5=12.4(532)(5.8x-3.2)÷39=2(533)(2.8x-7.6)÷4=7.2(534)(8.8x-9.7)÷5=5.1(535)(5.5x-1.6)÷9=4.1(536)(2.8x-9.2)÷6=3.6(537)(6.3x-8.1)÷9=6.8(538)(8.3x-5.8)÷9=1.2(539)(4.8x-5.4)÷6=6.3(540)(9.3x-3.7)÷7=10.1參考答案(1)x=79(2)x=97(3)x=39(4)x=38(5)x=91(6)x=37(7)x=63(8)x=26(9)x=31(10)x=98(11)x=56(12)x=72(13)x=83(14)x=47(15)x=70(16)x=73(17)x=87(18)x=53(19)x=7.1(20)x=9.8(21)x=0.3(22)x=8.9(23)x=3.6(24)x=2(25)x=3.1(26)x=6.4(27)x=1.5(28)x=9(29)x=8.1(30)x=8.4(31)x=7.5(32)x=7.1(33)x=9.2(34)x=8.8(35)x=8.4(36)x=7.1(37)x=47(38)x=37(39)x=96(40)x=35(41)x=8(42)x=46(43)x=40(44)x=38(45)x=33(46)x=4(47)x=53(48)x=38(49)x=70(50)x=17(51)x=35(52)x=41(53)x=63(54)x=41(55)x=5.1(56)x=7(57)x=7.5(58)x=6.6(59)x=0.2(60)x=7.7(61)x=8.5(62)x=2.4(63)x=9.1(64)x=4.4(65)x=2.5(66)x=0.4(67)x=1.8(68)x=5.1(69)x=1.2(70)x=5.9(71)x=0.2(72)x=3.7(73)x=12(74)x=15(75)x=3(76)x=35(77)x=5(78)x=12(79)x=22(80)x=90(81)x=21(82)x=13(83)x=29(84)x=14(85)x=29(86)x=64(87)x=14(88)x=4(89)x=2(90)x=2(91)x=2.5(92)x=0.4(93)x=1.1(94)x=2.3(95)x=0.4(96)x=0.3(97)x=1.6(98)x=0.2(99)x=0.6(100)x=3(101)x=13(102)x=13(103)x=27(104)x=9(105)x=5(106)x=4(107)x=2(108)x=47(109)x=10(110)x=9(111)x=49(112)x=6(113)x=6(114)x=5(115)x=11(116)x=12(117)x=9(118)x=112(119)x=174(120)x=72(121)x=192(122)x=180(123)x=117(124)x=74(125)x=82(126)x=147(127)x=13(128)x=19.2(129)x=11.2(130)x=7.8(131)x=15(132)x=3(133)x=17.4(134)x=8(135)x=13.2(136)x=4(137)x=9(138)x=78(139)x=3(140)x=14(141)x=2(142)x=16(143)x=37(144)x=25(145)x=65(146)x=39(147)x=52(148)x=69(149)x=58(150)x=3(151)x=4(152)x=11(153)x=43(154)x=0.2(155)x=9.2(156)x=0.3(157)x=0.5(158)x=3.3(159)x=0.5(160)x=4.1(161)x=1.5(162)x=0.4(163)x=4(164)x=2(165)x=5(166)x=17(167)x=3(168)x=3(169)x=2(170)x=5(171)x=13(172)x=2.2(173)x=0.8(174)x=0.7(175)x=0.2(176)x=1.3(177)x=2.2(178)x=0.3(179)x=2.1(180)x=0.2(181)x=29(182)x=91(183)x=9(184)x=37(185)x=80(186)x=22(187)x=45(188)x=11(189)x=4(190)x=2(191)x=7(192)x=3(193)x=3(194)x=16(195)x=2(196)x=9(197)x=2(198)x=84(199)x=4(200)x=2(201)x=6(202)x=5(203)x=32(204)x=3(205)x=24(206)x=42(207)x=3(208)x=33(209)x=34(210)x=26(211)x=22(212)x=44(213)x=45(214)x=32(215)x=70(216)x=8(217)x=0.2(218)x=0.2(219)x=3(220)x=0.6(221)x=4.2(222)x=2.1(223)x=1.1(224)x=4.4(225)x=6.1(226)x=67(227)x=12(228)x=4(229)x=51(230)x=4(231)x=3(232)x=20(233)x=2(234)x=54(235)x=0.2(236)x=3.4(237)x=3.7(238)x=0.6(239)x=0.7(240)x=2.1(241)x=3.9(242)x=1.5(243)x=0.2(244)x=9(245)x=3(246)x=2(247)x=3(248)x=6(249)x=3(250)x=35(251)x=7(252)x=6(253)x=78(254)x=3(255)x=57(256)x=28(257)x=72(258)x=14(259)x=27(260)x=3(261)x=2(262)x=0.2(263)x=9.6(264)x=0.4(265)x=3(266)x=0.4(267)x=1(268)x=2(269)x=4.4(270)x=6.3(271)x=6(272)x=11(273)x=15(274)x=6(275)x=10(276)x=7(277)x=10(278)x=6(279)x=12(280)x=20(281)x=7(282)x=6(283)x=5(284)x=14(285)x=16(286)x=9(287)x=10(288)x=22(289)x=12(290)x=14(291)x=5(292)x=24(293)x=7(294)x=15(295)x=20(296)x=6(297)x=32(298)x=9(299)x=34(300)x=16(301)x=6(302)x=9(303)x=11(304)x=4(305)x=2(306)x=9(307)x=9(308)x=13(309)x=10(310)x=22(311)x=5(312)x=6(313)x=2(314)x=2(315)x=3(316)x=13(317)x=10(318)x=3(319)x=5(320)x=9(321)x=5(322)x=13(323)x=3(324)x=6(325)x=13(326)x=10(327)x=7(328)x=14(329)x=18(330)x=15(331)x=8(332)x=10(333)x=11(334)x=7(335)x=23(336)x=12(337)x=4(338)x=13(339)x=16(340)x=9(341)x=18(342)x=5(343)x=22(344)x=3(345)x=3(346)x=3(347)x=52(348)x=8(349)x=6(350)x=10(351)x=11(352)x=0.7(353)x=1.6(354)x=2.3(355)x=2.7(356)x=0.8(357)x=1.1(358)x=1.3(359)x=5.2(360)x=0.3(361)x=12(362)x=8(363)x=6(364)x=6(365)x=3(366)x=11(367)x=19(368)x=8(369)x=13(370)x=0.6(371)x=0.9(372)x=8.8(373)x=0.3(374)x=0.8(375)x=0.3(376)x=0.8(377)x=0.5(378)x=0.9(379)x=7(380)x=6(381)x=8(382)x=31(383)x=4(384)x=4(385)x=6(386)x=28(387)x=5(388)x=0.5(389)x=0.3(390)x=0.8(391)x=0