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+35=48(2)x+88=116(3)x+7=40(4)x+24=94(5)x+89=165(6)x+7=56(7)x+94=186(8)x+59=140(9)x+57=151(10)x-87=10(11)x-57=25(12)x-16=33(13)x-67=15(14)x-23=71(15)x-7=34(16)x-79=14(17)x-16=13(18)x-20=53(19)x+7.4=7.7(20)x+3.7=9.7(21)x+5.5=10.4(22)x+4.2=9.4(23)x+5.6=10.8(24)x+6.2=11.8(25)x+5.4=6.3(26)x+4.2=8(27)x+8.7=16.8(28)x-2.2=5.9(29)x-1.7=3.7(30)x-4.3=1.5(31)x-2.5=7.2(32)x-2.5=5.1(33)x-3.7=3.3(34)x-2.2=1.3(35)x-0.4=3.5(36)x-6.5=1.9(37)7+x=35(38)39+x=93(39)50+x=82(40)19+x=74(41)38+x=78(42)39+x=102(43)40+x=136(44)37+x=60(45)29+x=60(46)57-x=45(47)87-x=76(48)64-x=28(49)53-x=19(50)76-x=46(51)22-x=12(52)86-x=22(53)66-x=32(54)61-x=54(55)6.3+x=8.9(56)7.2+x=12.8(57)3.9+x=10(58)7.9+x=16.8(59)6.4+x=9(60)8+x=12.3(61)4.9+x=6.1(62)8.8+x=12(63)2.9+x=10.5(64)3.1-x=1.7(65)7.5-x=7.2(66)6.2-x=5.7(67)6.7-x=1.7(68)1.5-x=1.2(69)4.8-x=3.1(70)4.8-x=4.2(71)4.4-x=1.7(72)5.6-x=1(73)2x=120(74)9x=63(75)22x=132(76)33x=165(77)21x=63(78)17x=153(79)7x=84(80)61x=122(81)8x=144(82)1x=18(83)0.8x=8.8(84)0.5x=1(85)6.5x=13(86)0.4x=8.4(87)0.4x=13.6(88)0.2x=1.4(89)4x=16(90)9.1x=18.2(91)4x=7.2(92)2x=0.4(93)2x=15(94)25x=10(95)5x=18.5(96)95x=19(97)21x=14.7(98)4x=10.4(99)19x=11.4(100)52÷x=4(101)10÷x=2(102)76÷x=19(103)192÷x=24(104)62÷x=2(105)24÷x=8(106)180÷x=20(107)51÷x=3(108)153÷x=3(109)11÷x=2.2(110)14÷x=2.8(111)3.5÷x=0.5(112)16÷x=3.2(113)7.2÷x=0.9(114)18.4÷x=4.6(115)6.8÷x=1.7(116)14.7÷x=4.9(117)18.6÷x=0.2(118)x÷8=9(119)x÷17=2(120)x÷3=19(121)x÷2=13(122)x÷14=10(123)x÷15=6(124)x÷25=4(125)x÷48=2(126)x÷52=2(127)x÷6=2.4(128)x÷2=3.7(129)x÷14=0.5(130)x÷3=3.6(131)x÷2=0.8(132)x÷2=3.3(133)x÷15=1(134)x÷24=0.5(135)x÷3=3.2(136)7x+53=109(137)22x+11=143(138)50x+28=128(139)21x+38=122(140)21x+38=101(141)6x+44=218(142)5x+45=215(143)40x+59=219(144)21x+51=114(145)15x-40=125(146)20x-32=128(147)32x-34=30(148)4x-17=27(149)2x-52=72(150)5x-17=68(151)27x-14=67(152)16x-33=143(153)2x-16=36(154)4x+5.2=12.8(155)2x+4=6.6(156)7x+1.7=17.1(157)58x+4.9=16.5(158)3x+4.7=15.5(159)2x+3.5=15.3(160)2x+3.1=12.5(161)9x+3=19.2(162)3x+2.2=10.6(163)0.4x+2.9=14.1(164)0.2x+1.9=8.7(165)1.2x+3.5=11.9(166)0.6x+2.3=13.1(167)0.6x+3.4=5.8(168)2.7x+2.4=21.3(169)0.9x+5=7.7(170)0.9x+2.2=4.9(171)0.2x+5.8=18.2(172)15x-1.2=16.8(173)28x-1.8=3.8(174)2x-3.5=4.5(175)8x-3.4=3(176)11x-4.8=8.4(177)58x-5=6.6(178)20x-5.4=14.6(179)2x-4.6=14(180)28x-4.7=3.7(181)0.2x-1.4=17.8(182)1x-3.5=3.5(183)0.6x-3.5=2.5(184)1.1x-5.3=14.5(185)0.3x-2.1=11.7(186)0.7x-3.6=13.9(187)2.7x-4.1=4(188)1.3x-5.9=11(189)0.6x-1.8=7.8(190)63+11x=151(191)83+31x=238(192)166+56x=278(193)25+12x=133(194)170+25x=245(195)30+67x=164(196)179+34x=349(197)98+5x=198(198)132+29x=277(199)20-2x=16(200)71-2x=67(201)113-13x=74(202)131-34x=29(203)96-9x=42(204)134-2x=96(205)159-6x=111(206)53-10x=13(207)197-11x=54(208)19+0.5x=37.5(209)18.3+1.3x=23.5(210)14.7+1.1x=27.9(211)10.7+5x=20.7(212)3.6+2.1x=7.8(213)12.9+0.3x=17.4(214)5.3+1.7x=18.9(215)17.9+0.4x=19.5(216)7.3+0.8x=15.3(217)16.9+11x=24.6(218)15.1+11x=23.9(219)7.7+2x=16.7(220)11.8+2x=25.4(221)11.8+24x=31(222)11.4+49x=26.1(223)14.3+3x=18.5(224)3+17x=6.4(225)11.2+18x=31(226)7.4-0.5x=4.9(227)14.4-0.2x=6.4(228)16.3-0.7x=9.3(229)19.1-0.5x=6.1(230)13.7-0.2x=11.3(231)7.5-0.2x=4.1(232)10.8-0.7x=7.3(233)12.5-1.2x=2.9(234)17.8-0.9x=7.9(235)19.3-4x=5.7(236)16.7-28x=8.3(237)7.4-3x=3.5(238)6.9-17x=3.5(239)14.8-5x=4.8(240)9.6-23x=5(241)11-6x=9.8(242)15.7-21x=3.1(243)13.4-9x=6.2(244)12x÷18=4(245)6x÷18=11(246)3x÷8=18(247)11x÷66=2(248)3x÷42=4(249)20x÷16=5(250)8x÷84=2(251)4x÷2=32(252)5x÷95=2(253)1.8x÷3=2.4(254)1x÷22=0.5(255)2.6x÷52=0.3(256)1.6x÷6=0.8(257)1.1x÷22=0.3(258)0.9x÷4=4.5(259)0.4x÷6=2.8(260)5.6x÷84=0.2(261)2.2x÷18=1.1(262)10x÷8=2(263)35x÷20=0.7(264)65x÷5=3.9(265)90x÷12=1.5(266)55x÷22=0.5(267)13x÷26=0.2(268)7x÷21=0.2(269)15x÷33=0.5(270)16x÷4=4(271)15x+8x=253(272)2x+10x=72(273)10x+8x=162(274)6x+18x=240(275)10x+3x=91(276)5x+10x=135(277)16x+8x=72(278)15x+5x=140(279)2x+11x=156(280)15x-10x=30(281)17x-10x=49(282)16x-4x=120(283)5x-2x=81(284)15x-8x=14(285)18x-13x=55(286)16x-5x=132(287)18x-13x=50(288)14x-5x=99(289)5.1x+4.4x=47.5(290)0.8x+0.5x=22.1(291)2.5x+3.2x=148.2(292)1.8x+2.8x=46(293)0.6x+4.1x=42.3(294)3.4x+4.7x=40.5(295)0.5x+0.7x=62.4(296)3.7x+8.2x=130.9(297)4.3x+3.4x=138.6(298)9x-5.9x=6.2(299)7.7x-2.3x=32.4(300)7x-1.2x=17.4(301)3.7x-1.5x=24.2(302)8.7x-4.9x=38(303)3.3x-1.9x=4.2(304)4x-0.8x=64(305)3.5x-2.8x=11.9(306)9x-5.7x=26.4(307)2x+7x+3=237(308)19x+2x+47=131(309)6x+11x+17=238(310)14x+13x+7=115(311)15x+7x+22=286(312)3x+16x+24=119(313)14x+13x+38=362(314)8x+5x+21=164(315)3x+18x+24=234(316)16x+14x-31=149(317)11x+7x-24=30(318)5x+6x-38=83(319)5x+9x-45=193(320)12x+4x-4=140(321)8x+12x-33=147(322)2x+6x-16=104(323)5x+4x-40=23(324)3x+12x-4=101(325)12x-6x+6=60(326)14x-11x+10=22(327)5x-2x+5=122(328)8x-5x+15=63(329)14x-2x+18=102(330)10x-6x+9=73(331)7x-2x+21=101(332)19x-8x+30=63(333)6x-2x+6=102(334)13x-2x-42=68(335)10x-7x-7=44(336)7x-3x-13=79(337)7x-2x-24=31(338)4x-2x-14=26(339)13x-7x-11=79(340)14x-6x-46=34(341)14x-4x-3=67(342)15x-7x-19=53(343)3.2x+3.9x+1.6=44.2(344)6x+1.6x+1.9=100.7(345)8.5x+4.2x+2.6=53.4(346)3x+4x+0.4=42.4(347)9.2x+1.7x+1.9=56.4(348)1.1x+1.8x+1.5=134.9(349)0.4x+1.9x+4.7=32.3(350)5.4x+6x+2.7=116.7(351)1.2x+5x+1.9=119.7(352)11x+28x+3.9=109.2(353)94x+77x+3.1=54.4(354)89x+42x+4.2=43.5(355)44x+42x+4.7=64.9(356)76x+79x+2.8=95.8(357)64x+86x+0.2=150.2(358)14x+25x+1.8=157.8(359)41x+45x+1.9=44.9(360)47x+29x+4.8=126.4(361)5x+6.3x-3.6=52.9(362)1.4x+4.7x-2.2=95.4(363)9.7x+4x-4.7=118.6(364)3.8x+2x-2.9=31.9(365)3.2x+4.4x-4.5=117.1(366)2.5x+1.6x-2=125.1(367)3.7x+1.5x-4.1=32.3(368)2.3x+2.6x-3.7=158(369)9.1x+9.3x-3.5=180.5(370)8x+4x-1.4=112.6(371)17x+72x-2.6=59.7(372)11x+3x-2.1=6.3(373)15x+30x-2=43(374)5x+34x-2.8=44(375)27x+66x-0.9=54.9(376)13x+8x-4.6=89.9(377)39x+34x-1.1=101.1(378)66x+86x-2.3=73.7(379)1.2x-0.5x+0.2=14.2(380)8.8x-1.2x+1.1=46.7(381)1.9x-0.3x+1.6=8(382)6.7x-1.2x+2.3=18.8(383)4.2x-4x+4.7=5.9(384)1.8x-1x+0.4=34.8(385)4.7x-0.7x+1.3=85.3(386)9.5x-8.4x+3.1=8.6(387)8.6x-4.2x+3.5=21.1(388)29x-11x+2.8=17.2(389)19x-9x+1.6=16.6(390)29x-22x+1.8=16.5(391)37x-13x+3=39(392)51x-8x+1.5=14.4(393)83x-48x+0.4=42.4(394)97x-63x+4.6=21.6(395)25x-13x+0.7=36.7(396)67x-52x+1.1=14.6(397)3.1x-2.9x-0.8=2.2(398)9x-5.2x-2.4=31.8(399)3.5x-0.6x-4.2=56.7(400)1.2x-0.9x-3.5=2.8(401)2.9x-1.2x-1.7=52.7(402)3.8x-1.4x-2.1=17.1(403)6.4x-4x-4.7=2.5(404)9.4x-1.8x-2.6=20.2(405)9.9x-9x-3.3=5.7(406)66x-26x-2.5=5.5(407)99x-80x-4.9=12.2(408)34x-29x-1.3=6.2(409)19x-15x-2.9=10.3(410)13x-10x-1.7=16.6(411)69x-3x-4.8=61.2(412)64x-32x-2.4=16.8(413)9x-2x-2.7=35.8(414)52x-11x-0.5=20(415)6x+78×2=288(416)2x+2×89=258(417)12x+6×23=234(418)18x+58×3=228(419)5x+6×25=160(420)3x+44×4=248(421)19x+14×11=249(422)10x+8×11=288(423)2x+34×4=224(424)5x-14×3=73(425)8x-21×3=57(426)17x-15×5=78(427)2x-3×5=71(428)6x-3×41=75(429)29x-2×45=84(430)3x-3×19=33(431)3x-84×2=15(432)18x-5×24=24(433)0.6x+0.4×16=16(434)0.5x+2.7×5=24.5(435)0.9x+1.5×4=18.6(436)0.4x+3.2×4=23.6(437)0.7x+4×2=22(438)1.1x+4.8×3=25.4(439)2x+1.5×13=25.5(440)0.4x+0.4×42=20.4(441)3.4x+0.4×23=16(442)3x+4×1.8=14.4(443)2x+4×2.3=15.6(444)7x+4×1.8=19.1(445)3x+27×0.4=25.5(446)11x+15×0.2=10.7(447)37x+2×4.5=27.5(448)16x+8×1.5=16.8(449)12x+6×3.1=31.8(450)12x+17×0.2=16.6(451)0.7x-0.9×5=1.8(452)0.4x-0.4×10=12(453)4.6x-1×5=13.4(454)0.4x-1.9×2=10.6(455)3.6x-0.8×9=3.6(456)0.4x-3.7×2=2.6(457)2.7x-0.9×2=14.4(458)2.1x-1.1×6=8.1(459)2.7x-0.5×21=3(460)25x-20×0.2=3.5(461)4x-3×2.2=8.6(462)3x-10×0.3=2.4(463)7x-21×0.2=13.3(464)18x-2×1.7=7.4(465)4x-33×0.2=9.8(466)22x-5×2.9=5.3(467)24x-6×2.6=1.2(468)39x-3×0.7=17.4(469)2(x+4)=46(470)6(x+14)=174(471)7(2x+17)=189(472)2(x+30)=74(473)2(7x+20)=138(474)4(6x+13)=148(475)3(14x+19)=141(476)6(x+2)=48(477)5(x+10)=130(478)18(12x-38)=180(479)3(3x-7)=51(480)2(12x-48)=72(481)4(10x-48)=88(482)5(6x-39)=75(483)2(9x-28)=70(484)7(3x-28)=161(485)9(2x-12)=126(486)3(18x-23)=147(487)4(0.6x+4.4)=24.8(488)5(0.2x+7.4)=49(489)2(7.1x+1.6)=45.8(490)3(6.6x+1.2)=43.2(491)2(1.7x+3.6)=27.6(492)2(1.2x+7.8)=25.2(493)3(0.6x+4.8)=37.8(494)2(6.3x+2.9)=31(495)5(0.3x+4.1)=41.5(496)4(6.2x-6.3)=49.2(497)3(0.2x-0.9)=20.1(498)3(3.1x-6.5)=27(499)7(0.8x-4.6)=40.6(500)8(0.8x-4)=12.8(501)3(6x-6.3)=35.1(502)16(0.6x-2.6)=44.8(503)9(0.8x-8.4)=25.2(504)2(4.9x-6.9)=25.4(505)(15x+2)÷19=8(506)(7x+2)÷9=15(507)(19x+9)÷2=147(508)(10x+7)÷3=79(509)(8x+12)÷2=30(510)(x+16)÷2=12(511)(7x+21)÷21=5(512)(14x+25)÷19=5(513)(10x+12)÷47=6(514)(x-3)÷9=2(515)(x-19)÷5=2(516)(7x-14)÷49=1(517)(9x-28)÷32=7(518)(11x-35)÷2=120(519)(7x-30)÷2=76(520)(7x-37)÷3=53(521)(8x-30)÷3=54(522)(12x-47)÷13=13(523)(4x+0.2)÷14=2.3(524)(7.2x+1.4)÷2=43.9(525)(3.8x+9.2)÷32=1(526)(7.9x+0.4)÷2=8.1(527)(5.4x+9)÷12=5.7(528)(2.3x+7.5)÷3=16.3(529)(0.5x+8.5)÷8=1.5(530)(4.5x+2)÷35=0.7(531)(0.2x+1.9)÷3=1.5(532)(0.8x-9.2)÷12=0.3(533)(6.3x-3.9)÷10=1.5(534)(8.1x-8.7)÷3=26.8(535)(4.8x-7.2)÷18=3.6(536)(7.9x-8.6)÷6=1.2(537)(7.8x-7.6)÷2=23.5(538)(2.7x-2.4)÷8=2.4(539)(2.1x-4.5)÷9=3.7(540)(2.5x-8.7)÷2=11.9參考答案(1)x=13(2)x=28(3)x=33(4)x=70(5)x=76(6)x=49(7)x=92(8)x=81(9)x=94(10)x=97(11)x=82(12)x=49(13)x=82(14)x=94(15)x=41(16)x=93(17)x=29(18)x=73(19)x=0.3(20)x=6(21)x=4.9(22)x=5.2(23)x=5.2(24)x=5.6(25)x=0.9(26)x=3.8(27)x=8.1(28)x=8.1(29)x=5.4(30)x=5.8(31)x=9.7(32)x=7.6(33)x=7(34)x=3.5(35)x=3.9(36)x=8.4(37)x=28(38)x=54(39)x=32(40)x=55(41)x=40(42)x=63(43)x=96(44)x=23(45)x=31(46)x=12(47)x=11(48)x=36(49)x=34(50)x=30(51)x=10(52)x=64(53)x=34(54)x=7(55)x=2.6(56)x=5.6(57)x=6.1(58)x=8.9(59)x=2.6(60)x=4.3(61)x=1.2(62)x=3.2(63)x=7.6(64)x=1.4(65)x=0.3(66)x=0.5(67)x=5(68)x=0.3(69)x=1.7(70)x=0.6(71)x=2.7(72)x=4.6(73)x=60(74)x=7(75)x=6(76)x=5(77)x=3(78)x=9(79)x=12(80)x=2(81)x=18(82)x=18(83)x=11(84)x=2(85)x=2(86)x=21(87)x=34(88)x=7(89)x=4(90)x=2(91)x=1.8(92)x=0.2(93)x=7.5(94)x=0.4(95)x=3.7(96)x=0.2(97)x=0.7(98)x=2.6(99)x=0.6(100)x=13(101)x=5(102)x=4(103)x=8(104)x=31(105)x=3(106)x=9(107)x=17(108)x=51(109)x=5(110)x=5(111)x=7(112)x=5(113)x=8(114)x=4(115)x=4(116)x=3(117)x=93(118)x=72(119)x=34(120)x=57(121)x=26(122)x=140(123)x=90(124)x=100(125)x=96(126)x=104(127)x=14.4(128)x=7.4(129)x=7(130)x=10.8(131)x=1.6(132)x=6.6(133)x=15(134)x=12(135)x=9.6(136)x=8(137)x=6(138)x=2(139)x=4(140)x=3(141)x=29(142)x=34(143)x=4(144)x=3(145)x=11(146)x=8(147)x=2(148)x=11(149)x=62(150)x=17(151)x=3(152)x=11(153)x=26(154)x=1.9(155)x=1.3(156)x=2.2(157)x=0.2(158)x=3.6(159)x=5.9(160)x=4.7(161)x=1.8(162)x=2.8(163)x=28(164)x=34(165)x=7(166)x=18(167)x=4(168)x=7(169)x=3(170)x=3(171)x=62(172)x=1.2(173)x=0.2(174)x=4(175)x=0.8(176)x=1.2(177)x=0.2(178)x=1(179)x=9.3(180)x=0.3(181)x=96(182)x=7(183)x=10(184)x=18(185)x=46(186)x=25(187)x=3(188)x=13(189)x=16(190)x=8(191)x=5(192)x=2(193)x=9(194)x=3(195)x=2(196)x=5(197)x=20(198)x=5(199)x=2(200)x=2(201)x=3(202)x=3(203)x=6(204)x=19(205)x=8(206)x=4(207)x=13(208)x=37(209)x=4(210)x=12(211)x=2(212)x=2(213)x=15(214)x=8(215)x=4(216)x=10(217)x=0.7(218)x=0.8(219)x=4.5(220)x=6.8(221)x=0.8(222)x=0.3(223)x=1.4(224)x=0.2(225)x=1.1(226)x=5(227)x=40(228)x=10(229)x=26(230)x=12(231)x=17(232)x=5(233)x=8(234)x=11(235)x=3.4(236)x=0.3(237)x=1.3(238)x=0.2(239)x=2(240)x=0.2(241)x=0.2(242)x=0.6(243)x=0.8(244)x=6(245)x=33(246)x=48(247)x=12(248)x=56(249)x=4(250)x=21(251)x=16(252)x=38(253)x=4(254)x=11(255)x=6(256)x=3(257)x=6(258)x=20(259)x=42(260)x=3(261)x=9(262)x=1.6(263)x=0.4(264)x=0.3(265)x=0.2(266)x=0.2(267)x=0.4(268)x=0.6(269)x=1.1(270)x=1(271)x=11(272)x=6(273)x=9(274)x=10(275)x=7(276)x=9(277)x=3(278)x=7(279)x=12(280)x=6(281)x=7(282)x=10(283)x=27(284)x=2(285)x=11(286)x=12(287)x=10(288)x=11(289)x=5(290)x=17(291)x=26(292)x=10(293)x=9(294)x=5(295)x=52(296)x=11(297)x=18(298)x=2(299)x=6(300)x=3(301)x=11(302)x=10(303)x=3(304)x=20(305)x=17(306)x=8(307)x=26(308)x=4(309)x=13(310)x=4(311)x=12(312)x=5(313)x=12(314)x=11(315)x=10(316)x=6(317)x=3(318)x=11(319)x=17(320)x=9(321)x=9(322)x=15(323)x=7(324)x=7(325)x=9(326)x=4(327)x=39(328)x=16(329)x=7(330)x=16(331)x=16(332)x=3(333)x=24(334)x=10(335)x=17(336)x=23(337)x=11(338)x=20(339)x=15(340)x=10(341)x=7(342)x=9(343)x=6(344)x=13(345)x=4(346)x=6(347)x=5(348)x=46(349)x=12(350)x=10(351)x=19(352)x=2.7(353)x=0.3(354)x=0.3(355)x=0.7(356)x=0.6(357)x=1(358)x=4(359)x=0.5(360)x=1.6(361)x=5(362)x=16(363)x=9(364)x=6(365)x=16(366)x=31(367)x=7(368)x=33(369)x=10(370)x=9.5(371)x=0.7(372)x=0.6(373)x=1(374)x=1.2(375)x=0.6(376)x=4.5(377)x=1.4(378)x=0.5(379)x=20(380)x=6(381)x=4(382)x=3(383)x=6(384)x=43(385)x=21(386)x=5(387)x=4(388)x=0.8(389)x=1.5(390)x=2.1(391)x=1.5(392)