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+28=116(2)x+53=134(3)x+41=131(4)x+20=34(5)x+79=159(6)x+80=154(7)x+73=155(8)x+8=32(9)x+90=110(10)x-36=50(11)x-11=49(12)x-25=29(13)x-45=32(14)x-12=77(15)x-33=35(16)x-34=51(17)x-60=30(18)x-46=24(19)x+9.8=14.1(20)x+3.3=7.3(21)x+3.5=12.5(22)x+0.5=4.8(23)x+1.5=11.1(24)x+4.5=14(25)x+3=12(26)x+1.9=2.5(27)x+3.6=6.1(28)x-1.4=2(29)x-5.9=3.5(30)x-2.9=6.1(31)x-1.3=5.4(32)x-1.4=2.1(33)x-2.5=6.6(34)x-2.8=5.9(35)x-2.9=5.9(36)x-2=6(37)47+x=78(38)3+x=8(39)6+x=50(40)20+x=33(41)39+x=64(42)15+x=91(43)52+x=79(44)72+x=108(45)3+x=96(46)88-x=78(47)45-x=25(48)62-x=20(49)83-x=16(50)22-x=17(51)86-x=78(52)83-x=39(53)70-x=19(54)80-x=28(55)3.9+x=12.3(56)9.5+x=15.8(57)9.3+x=17.2(58)0.3+x=4.4(59)1.6+x=2.2(60)0.9+x=7.7(61)9.6+x=17.4(62)6.7+x=16.5(63)2.3+x=9.9(64)5.8-x=3.6(65)4.3-x=4.1(66)8.1-x=7.6(67)4.6-x=2.1(68)7.1-x=1.4(69)9.5-x=3.1(70)8.9-x=2(71)4.6-x=1.8(72)6.4-x=4.6(73)8x=120(74)6x=168(75)14x=84(76)84x=168(77)8x=128(78)2x=114(79)6x=108(80)9x=126(81)2x=186(82)0.5x=18(83)0.8x=15.2(84)0.4x=17.6(85)3.3x=16.5(86)0.3x=3.9(87)7.3x=14.6(88)2.6x=15.6(89)0.7x=13.3(90)0.6x=17.4(91)85x=17(92)2x=4.8(93)2x=18.8(94)9x=9.9(95)24x=12(96)2x=15.8(97)3x=15.6(98)9x=13.5(99)72x=14.4(100)156÷x=39(101)66÷x=3(102)156÷x=3(103)156÷x=13(104)66÷x=6(105)51÷x=17(106)156÷x=4(107)187÷x=11(108)39÷x=13(109)19.2÷x=0.4(110)4.4÷x=1.1(111)1.2÷x=0.2(112)16.8÷x=1.2(113)19.6÷x=2.8(114)15.3÷x=1.7(115)14.4÷x=1.8(116)12÷x=0.2(117)2.8÷x=0.4(118)x÷22=6(119)x÷18=9(120)x÷36=2(121)x÷9=20(122)x÷97=2(123)x÷2=5(124)x÷72=2(125)x÷12=5(126)x÷42=4(127)x÷14=1.4(128)x÷6=2(129)x÷2=3.3(130)x÷7=2.4(131)x÷17=0.9(132)x÷5=3.4(133)x÷6=0.4(134)x÷2=4.4(135)x÷10=0.6(136)7x+17=206(137)8x+25=49(138)13x+30=108(139)21x+55=181(140)2x+36=178(141)62x+45=169(142)3x+30=117(143)3x+11=101(144)60x+51=231(145)2x-16=44(146)5x-36=119(147)5x-12=158(148)2x-34=110(149)3x-33=144(150)5x-24=131(151)8x-35=157(152)2x-18=80(153)96x-10=182(154)3x+3.3=6.3(155)2x+5.1=21.1(156)3x+2.8=5.2(157)53x+4.8=15.4(158)28x+4=23.6(159)3x+1.1=6.8(160)18x+1.3=21.1(161)16x+3.7=16.5(162)12x+2.7=12.3(163)5x+5.6=15.6(164)0.3x+5=6.8(165)0.4x+3.9=20.7(166)0.3x+3=9.3(167)9.1x+4.9=23.1(168)0.2x+5=8.4(169)2x+4.9=10.9(170)1.5x+1.1=16.1(171)4.6x+1.9=11.1(172)48x-5.8=8.6(173)40x-3.8=4.2(174)2x-1.9=18.1(175)2x-5=13.4(176)45x-5.9=12.1(177)54x-5.2=11(178)7x-5.4=10(179)4x-2.9=10.3(180)8x-3.6=2(181)1.3x-5.4=8.9(182)1.4x-1.6=11(183)4.2x-1.1=7.3(184)0.5x-1.3=8.7(185)5.4x-5.7=10.5(186)0.3x-5.2=8.6(187)0.7x-3.8=12.3(188)2.9x-2.3=9.3(189)1.8x-2.1=8.7(190)62+9x=152(191)69+43x=241(192)184+21x=331(193)157+22x=333(194)52+13x=78(195)59+10x=129(196)140+4x=164(197)58+4x=214(198)149+16x=245(199)154-2x=114(200)59-3x=38(201)149-2x=133(202)91-2x=85(203)156-3x=117(204)66-2x=42(205)192-2x=48(206)114-6x=48(207)163-7x=114(208)8.8+2.7x=27.7(209)18.4+0.4x=31.6(210)14.5+0.4x=26.9(211)7.5+0.2x=25.1(212)4.4+3.9x=23.9(213)4.7+1.5x=13.7(214)2.5+4x=18.5(215)3.6+6.7x=17(216)10.1+0.2x=16.5(217)1.5+16x=7.9(218)16.7+5x=30.2(219)3.9+57x=15.3(220)3.4+2x=8(221)3.7+31x=19.2(222)12.8+9x=16.4(223)18.8+36x=29.6(224)14+2x=29(225)10.3+8x=28.7(226)17.6-0.4x=10.8(227)18-1.2x=2.4(228)13.2-1.1x=2.2(229)15.4-1.3x=5(230)5.3-0.2x=3.9(231)14.3-4.4x=5.5(232)13.9-1.6x=2.7(233)8.9-0.7x=1.9(234)18.5-3.6x=11.3(235)10.2-4x=5(236)11.5-5x=2(237)19.8-2x=18.2(238)10.6-5x=5.1(239)15.6-3x=3.9(240)15.8-36x=8.6(241)14.7-10x=5.7(242)11-28x=5.4(243)19-2x=7.6(244)6x÷12=13(245)24x÷3=48(246)22x÷44=4(247)55x÷15=11(248)4x÷2=24(249)16x÷18=8(250)95x÷19=10(251)10x÷20=3(252)6x÷36=3(253)0.7x÷21=0.8(254)0.2x÷6=1.1(255)0.4x÷3=3.6(256)2x÷30=0.2(257)3.4x÷17=1(258)1.2x÷3=1.6(259)1.2x÷3=0.8(260)1.6x÷5=3.2(261)2x÷8=2.5(262)64x÷16=0.8(263)8x÷48=0.2(264)21x÷7=2.4(265)26x÷6=1.3(266)4x÷46=0.2(267)20x÷25=0.8(268)70x÷20=0.7(269)46x÷23=0.4(270)20x÷14=1(271)18x+10x=196(272)19x+8x=162(273)3x+12x=240(274)7x+13x=100(275)3x+12x=120(276)6x+14x=80(277)18x+11x=261(278)4x+2x=48(279)4x+6x=170(280)17x-6x=44(281)14x-4x=60(282)7x-5x=48(283)19x-16x=24(284)19x-10x=63(285)9x-3x=12(286)9x-7x=26(287)6x-2x=108(288)15x-8x=14(289)3.1x+4.1x=86.4(290)2.1x+9.4x=115(291)5x+1.3x=63(292)2.9x+6.2x=63.7(293)7.1x+3.7x=86.4(294)0.4x+9.2x=67.2(295)1.8x+1.7x=147(296)6.5x+5.2x=140.4(297)9.7x+6.4x=112.7(298)4.2x-2x=50.6(299)7.7x-2.1x=16.8(300)8.2x-2.9x=37.1(301)1.1x-0.4x=49.7(302)7.6x-5x=23.4(303)6.8x-0.4x=83.2(304)9.5x-5.5x=28(305)4.1x-2.9x=27.6(306)9.9x-4.8x=51(307)12x+6x+14=212(308)19x+12x+44=230(309)17x+19x+20=308(310)18x+13x+24=179(311)8x+16x+18=258(312)4x+16x+14=234(313)12x+8x+46=366(314)6x+17x+18=133(315)6x+12x+26=296(316)11x+9x-35=85(317)6x+2x-10=14(318)6x+10x-12=20(319)3x+7x-34=246(320)13x+11x-34=206(321)13x+8x-21=273(322)6x+14x-10=130(323)18x+10x-21=91(324)7x+6x-41=193(325)16x-13x+27=63(326)6x-4x+11=63(327)18x-3x+30=60(328)13x-4x+18=45(329)13x-7x+48=66(330)19x-8x+15=81(331)19x-7x+34=94(332)12x-4x+7=119(333)11x-3x+24=104(334)13x-6x-36=62(335)15x-10x-10=45(336)11x-3x-7=49(337)7x-5x-17=31(338)11x-2x-24=57(339)16x-11x-10=25(340)7x-4x-4=62(341)14x-4x-15=105(342)19x-6x-23=107(343)3x+3.4x+4.9=158.5(344)0.7x+5.6x+1=57.7(345)6.3x+8x+2.8=31.4(346)7.4x+9.1x+1=116.5(347)3.8x+1x+0.2=62.6(348)1.1x+1.3x+1.9=181.9(349)5.7x+6.1x+2.5=155.9(350)8.2x+6.7x+4.2=123.4(351)6.5x+0.9x+0.8=23(352)96x+44x+1.1=71.1(353)2x+93x+2.5=40.5(354)51x+59x+4.7=169.7(355)29x+31x+4.3=166.3(356)89x+99x+4.1=192.1(357)24x+36x+0.4=102.4(358)58x+40x+3.1=150.1(359)43x+95x+3=72(360)99x+98x+0.9=178.2(361)7.5x+6x-3.6=63.9(362)1.7x+8x-0.9=105.8(363)7.4x+0.8x-0.7=48.5(364)3.8x+4.1x-4=122.4(365)2x+3.1x-1=80.6(366)9.6x+2.9x-0.5=99.5(367)2.9x+1x-0.5=120.4(368)0.5x+1.3x-2.4=129(369)3.1x+4x-4.5=123.3(370)72x+5x-2.2=74.8(371)34x+56x-0.8=53.2(372)33x+20x-3.6=75.9(373)70x+9x-1.2=101.5(374)35x+15x-2.5=57.5(375)12x+84x-1.1=75.7(376)34x+27x-4.1=117.9(377)43x+90x-3.2=103.2(378)14x+42x-0.4=27.6(379)8.3x-6.7x+2.8=17.2(380)7.7x-2.9x+4.6=43(381)6.3x-4.9x+4.4=15.6(382)8x-3.7x+1.8=36.2(383)8.6x-5.7x+0.8=9.5(384)7.7x-1x+3.3=43.5(385)5.2x-3.1x+4.8=17.4(386)9.8x-0.3x+0.3=19.3(387)6.1x-2.1x+2.4=50.4(388)45x-35x+0.8=17.8(389)97x-12x+0.9=85.9(390)28x-19x+1.9=21.7(391)42x-39x+4.7=8(392)19x-6x+3.2=26.6(393)41x-37x+3.3=5.7(394)15x-12x+1.6=8.2(395)86x-7x+1.4=48.8(396)75x-45x+1.9=10.9(397)9.6x-1.6x-1.4=70.6(398)6.5x-6x-2.9=2.1(399)9.1x-2.6x-2.6=16.9(400)2.5x-1.4x-0.2=13(401)8.4x-4.3x-2.5=30.3(402)8.1x-2.7x-0.8=26.2(403)8.6x-2.6x-2=10(404)1.5x-1.1x-2.4=6.8(405)0.7x-0.3x-4.4=4.4(406)53x-20x-2.1=14.4(407)95x-86x-2.6=1(408)95x-39x-1.2=49.2(409)76x-2x-3.2=70.8(410)73x-35x-0.5=14.7(411)58x-33x-3=32(412)22x-18x-1.9=13.7(413)80x-46x-0.5=40.3(414)59x-2x-0.7=22.1(415)2x+3×22=84(416)5x+41×3=288(417)9x+4×20=206(418)18x+21×9=351(419)20x+25×8=320(420)3x+93×2=288(421)13x+80×2=251(422)22x+3×42=214(423)2x+2×82=342(424)11x-43×3=14(425)10x-2×51=88(426)4x-11×7=15(427)10x-2×31=98(428)15x-5×10=145(429)10x-7×5=165(430)5x-2×5=75(431)16x-28×6=24(432)12x-10×8=52(433)0.2x+0.4×42=26.4(434)4.3x+2.1×5=19.1(435)1.3x+4.9×2=16.3(436)2.4x+3.6×5=22.8(437)0.4x+3.5×5=35.1(438)2x+4.8×3=20.4(439)4.2x+0.7×20=30.8(440)0.4x+0.2×16=16.8(441)2.4x+2.4×6=21.6(442)28x+32×0.4=26.8(443)6x+6×0.2=18.6(444)9x+3×0.9=7.2(445)5x+37×0.3=24.1(446)36x+7×1.5=17.7(447)10x+4×3.1=16.4(448)24x+2×0.4=8(449)2x+18×0.5=18.2(450)3x+4×2.5=10.6(451)0.8x-0.9×2=10.2(452)3x-0.3×4=13.8(453)4x-1.8×8=1.6(454)0.5x-1.6×5=11(455)3.4x-0.2×16=13.8(456)0.3x-0.5×4=11.8(457)1.1x-0.2×33=11(458)2.2x-0.2×14=8.2(459)1.6x-2.4×2=4.8(460)45x-21×0.4=9.6(461)9x-11×0.5=3.5(462)23x-2×0.6=8(463)47x-7×2.1=4.1(464)33x-2×3.4=9.7(465)22x-5×1.2=2.8(466)5x-2×4.4=4.2(467)5x-2×4.8=9.9(468)36x-17×0.9=2.7(469)4(6x+18)=192(470)2(4x+32)=104(471)5(2x+9)=85(472)13(2x+2)=130(473)5(3x+3)=165(474)2(13x+16)=188(475)2(x+49)=104(476)3(3x+11)=186(477)6(x+2)=156(478)4(7x-22)=136(479)3(2x-46)=72(480)2(11x-27)=122(481)3(2x-2)=198(482)5(5x-20)=150(483)6(19x-10)=168(484)12(x-4)=120(485)5(3x-23)=50(486)2(4x-2)=180(487)2(0.8x+7.4)=38.8(488)3(0.5x+5.8)=33.9(489)5(0.6x+0.7)=18.5(490)3(1.1x+0.4)=7.8(491)3(1.9x+0.3)=12.3(492)2(0.7x+6)=26(493)2(1.7x+8.2)=33.4(494)5(0.3x+4.4)=44.5(495)19(0.3x+1.7)=49.4(496)3(0.7x-6.8)=6.9(497)3(0.7x-6.3)=44.1(498)2(4.3x-0.6)=24.6(499)9(0.4x-7.6)=28.8(500)4(1.9x-1.1)=10.8(501)23(2.6x-9.4)=23(502)9(1.6x-2.3)=22.5(503)24(0.8x-9)=33.6(504)3(0.5x-4.7)=15.9(505)(11x+12)÷13=17(506)(19x+11)÷37=8(507)(12x+26)÷10=17(508)(14x+26)÷2=27(509)(18x+44)÷20=13(510)(8x+24)÷14=4(511)(19x+47)÷4=26(512)(9x+42)÷5=12(513)(6x+24)÷14=6(514)(10x-4)÷2=13(515)(15x-10)÷10=8(516)(14x-14)÷32=7(517)(8x-40)÷12=6(518)(7x-35)÷3=49(519)(11x-37)÷8=27(520)(6x-38)÷4=28(521)(13x-30)÷20=5(522)(8x-40)÷4=44(523)(0.2x+5)÷2=3(524)(1.1x+5.2)÷4=5.7(525)(1.8x+0.8)÷4=7.4(526)(5.2x+8)÷4=9.8(527)(7.2x+0.2)÷10=6.5(528)(6.1x+5.8)÷2=15.1(529)(4.3x+3.8)÷9=5.2(530)(4.8x+2.8)÷4=10.3(531)(0.4x+6.3)÷3=4.5(532)(2.3x-6.5)÷2=9.4(533)(7.7x-8.6)÷38=1.8(534)(2.1x-9.4)÷2=14.2(535)(2.2x-7.2)÷2=9.6(536)(9.6x-7.7)÷31=1.3(537)(3.1x-7.6)÷6=7(538)(3.2x-3.3)÷9=3.9(539)(3.5x-4.1)÷2=20.7(540)(4.5x-5.2)÷4=7.7參考答案(1)x=88(2)x=81(3)x=90(4)x=14(5)x=80(6)x=74(7)x=82(8)x=24(9)x=20(10)x=86(11)x=60(12)x=54(13)x=77(14)x=89(15)x=68(16)x=85(17)x=90(18)x=70(19)x=4.3(20)x=4(21)x=9(22)x=4.3(23)x=9.6(24)x=9.5(25)x=9(26)x=0.6(27)x=2.5(28)x=3.4(29)x=9.4(30)x=9(31)x=6.7(32)x=3.5(33)x=9.1(34)x=8.7(35)x=8.8(36)x=8(37)x=31(38)x=5(39)x=44(40)x=13(41)x=25(42)x=76(43)x=27(44)x=36(45)x=93(46)x=10(47)x=20(48)x=42(49)x=67(50)x=5(51)x=8(52)x=44(53)x=51(54)x=52(55)x=8.4(56)x=6.3(57)x=7.9(58)x=4.1(59)x=0.6(60)x=6.8(61)x=7.8(62)x=9.8(63)x=7.6(64)x=2.2(65)x=0.2(66)x=0.5(67)x=2.5(68)x=5.7(69)x=6.4(70)x=6.9(71)x=2.8(72)x=1.8(73)x=15(74)x=28(75)x=6(76)x=2(77)x=16(78)x=57(79)x=18(80)x=14(81)x=93(82)x=36(83)x=19(84)x=44(85)x=5(86)x=13(87)x=2(88)x=6(89)x=19(90)x=29(91)x=0.2(92)x=2.4(93)x=9.4(94)x=1.1(95)x=0.5(96)x=7.9(97)x=5.2(98)x=1.5(99)x=0.2(100)x=4(101)x=22(102)x=52(103)x=12(104)x=11(105)x=3(106)x=39(107)x=17(108)x=3(109)x=48(110)x=4(111)x=6(112)x=14(113)x=7(114)x=9(115)x=8(116)x=60(117)x=7(118)x=132(119)x=162(120)x=72(121)x=180(122)x=194(123)x=10(124)x=144(125)x=60(126)x=168(127)x=19.6(128)x=12(129)x=6.6(130)x=16.8(131)x=15.3(132)x=17(133)x=2.4(134)x=8.8(135)x=6(136)x=27(137)x=3(138)x=6(139)x=6(140)x=71(141)x=2(142)x=29(143)x=30(144)x=3(145)x=30(146)x=31(147)x=34(148)x=72(149)x=59(150)x=31(151)x=24(152)x=49(153)x=2(154)x=1(155)x=8(156)x=0.8(157)x=0.2(158)x=0.7(159)x=1.9(160)x=1.1(161)x=0.8(162)x=0.8(163)x=2(164)x=6(165)x=42(166)x=21(167)x=2(168)x=17(169)x=3(170)x=10(171)x=2(172)x=0.3(173)x=0.2(174)x=10(175)x=9.2(176)x=0.4(177)x=0.3(178)x=2.2(179)x=3.3(180)x=0.7(181)x=11(182)x=9(183)x=2(184)x=20(185)x=3(186)x=46(187)x=23(188)x=4(189)x=6(190)x=10(191)x=4(192)x=7(193)x=8(194)x=2(195)x=7(196)x=6(197)x=39(198)x=6(199)x=20(200)x=7(201)x=8(202)x=3(203)x=13(204)x=12(205)x=72(206)x=11(207)x=7(208)x=7(209)x=33(210)x=31(211)x=88(212)x=5(213)x=6(214)x=4(215)x=2(216)x=32(217)x=0.4(218)x=2.7(219)x=0.2(220)x=2.3(221)x=0.5(222)x=0.4(223)x=0.3(224)x=7.5(225)x=2.3(226)x=17(227)x=13(228)x=10(229)x=8(230)x=7(231)x=2(232)x=7(233)x=10(234)x=2(235)x=1.3(236)x=1.9(237)x=0.8(238)x=1.1(239)x=3.9(240)x=0.2(241)x=0.9(242)x=0.2(243)x=5.7(244)x=26(245)x=6(246)x=8(247)x=3(248)x=12(249)x=9(250)x=2(251)x=6(252)x=18(253)x=24(254)x=33(255)x=27(256)x=3(257)x=5(258)x=4(259)x=2(260)x=10(261)x=10(262)x=0.2(263)x=1.2(264)x=0.8(265)x=0.3(266)x=2.3(267)x=1(268)x=0.2(269)x=0.2(270)x=0.7(271)x=7(272)x=6(273)x=16(274)x=5(275)x=8(276)x=4(277)x=9(278)x=8(279)x=17(280)x=4(281)x=6(282)x=24(283)x=8(284)x=7(285)x=2(286)x=13(287)x=27(288)x=2(289)x=12(290)x=10(291)x=10(292)x=7(293)x=8(294)x=7(295)x=42(296)x=12(297)x=7(298)x=23(299)x=3(300)x=7(301)x=71(302)x=9(303)x=13(304)x=7(305)x=23(306)x=10(307)x=11(308)x=6(309)x=8(310)x=5(311)x=10(312)x=11(313)x=16(314)x=5(315)x=15(316)x=6(317)x=3(318)x=2(319)x=28(320)x=10(321)x=14(322)x=7(323)x=4(324)x=18(325)x=12(326)x=26(327)x=2(328)x=3(329)x=3(330)x=6(331)x=5(332)x=14(333)x=10(334)x=14(335)x=11(336)x=7(337)x=24(338)x=9(339)x=7(340)x=22(341)x=12(342)x=10(343)x=24(344)x=9(345)x=2(346)x=7(347)x=13(348)x=75(349)x=13(350)x=8(351)x=3(352)x=0.5(353)x=0.4(354)x=1.5(355)x=2.7(356)x=1(357)x=1.7(358)x=1.5(359)x=0.5(360)x=0.9(361)x=5(362)x=11(363)x=6(364)x=16(365)x=16(366)x=8(367)x=31(368)x=73(369)x=18(370)x=1(371)x=0.6(372)x=1.5(373)x=1.3(374)x=1.2(375)x=0.8(376)x=2(377)x=0.8(378)x=0.5(379)x=9(380)x=8(381)x=8(382)x=8(383)x=3(384)x=6(385)x=6(386)x=2(387)x=12(388)x=1.7(389)x=1(390)x=2.2(391)x=1.1(392)x=1