五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案

五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案(1)x+21=56(2)x+60=96(3)x+53=85(4)x+34=66(5)x+12=71(6)x+43=91(7)x+55=152(8)x+91=121(9)x+66=82(10)x-3=71(11)x-2=42(12)x-28=10(13)x-3=35(14)x-49=48(15)x-7=55(16)x-35=27(17)x-3=17(18)x-25=64(19)x+2.8=3.9(20)x+9.4=17.4(21)x+3=5.8(22)x+2.9=8.8(23)x+1=9(24)x+6.2=15.7(25)x+0.5=2.5(26)x+7.4=13.3(27)x+9.5=16.2(28)x-1.1=6.3(29)x-1.1=7.9(30)x-0.3=6.1(31)x-1.8=4.8(32)x-3.5=5.3(33)x-0.7=1.3(34)x-1.1=1.5(35)x-0.8=5.5(36)x-0.4=3.9(37)65+x=154(38)31+x=60(39)35+x=74(40)48+x=72(41)39+x=92(42)80+x=125(43)45+x=60(44)50+x=75(45)11+x=102(46)95-x=22(47)45-x=41(48)81-x=23(49)45-x=18(50)93-x=77(51)86-x=79(52)90-x=38(53)57-x=22(54)68-x=64(55)8.5+x=10.9(56)2.7+x=9.9(57)0.2+x=3.7(58)5+x=8(59)9+x=18.6(60)8.9+x=15.1(61)7.5+x=15.6(62)4.5+x=13.1(63)1.6+x=7.5(64)6.5-x=3.3(65)8.6-x=5.5(66)5.7-x=4.7(67)7.7-x=5.4(68)8.3-x=7.9(69)7.9-x=4.7(70)2.7-x=2(71)4.9-x=1.2(72)7-x=3.3(73)75x=150(74)7x=126(75)60x=180(76)5x=35(77)32x=64(78)14x=42(79)40x=200(80)34x=68(81)4x=132(82)1.2x=18(83)0.5x=19(84)2.1x=18.9(85)0.2x=18.4(86)6.6x=13.2(87)0.8x=14.4(88)1x=3(89)0.2x=17(90)2x=10(91)15x=18(92)5x=10.5(93)4x=15.2(94)96x=19.2(95)19x=11.4(96)37x=11.1(97)2x=10.2(98)15x=4.5(99)2x=15.4(100)156÷x=12(101)160÷x=2(102)56÷x=14(103)28÷x=7(104)184÷x=46(105)76÷x=4(106)57÷x=19(107)24÷x=6(108)150÷x=6(109)15÷x=0.3(110)3.6÷x=0.9(111)14.7÷x=2.1(112)12.8÷x=3.2(113)14.4÷x=0.8(114)14.2÷x=0.2(115)2.8÷x=0.7(116)15÷x=0.2(117)13.5÷x=0.5(118)x÷32=4(119)x÷15=3(120)x÷3=12(121)x÷13=15(122)x÷28=6(123)x÷12=5(124)x÷6=19(125)x÷6=13(126)x÷28=2(127)x÷19=0.8(128)x÷10=1.5(129)x÷16=0.5(130)x÷2=2.9(131)x÷22=0.4(132)x÷9=1.6(133)x÷10=0.5(134)x÷54=0.3(135)x÷2=2.8(136)4x+13=113(137)25x+35=210(138)5x+52=242(139)55x+12=122(140)6x+23=131(141)7x+40=110(142)4x+31=203(143)10x+46=216(144)4x+52=80(145)27x-49=113(146)3x-23=118(147)13x-47=96(148)25x-11=89(149)30x-12=168(150)2x-18=120(151)7x-19=170(152)20x-40=80(153)78x-50=106(154)23x+4.8=18.6(155)8x+1.9=7.5(156)25x+2.2=17.2(157)47x+2.4=21.2(158)5x+1.9=3.9(159)20x+2.5=16.5(160)10x+2.8=6.8(161)26x+2=20.2(162)9x+3.1=17.5(163)2x+4.2=16.2(164)2.3x+1.1=5.7(165)0.9x+5.3=24.2(166)1.1x+1.1=15.4(167)0.3x+2.6=17.6(168)9.7x+1.9=21.3(169)0.3x+1.2=14.7(170)3.2x+3.1=15.9(171)0.7x+2.9=8.5(172)50x-2.1=12.9(173)40x-4.5=3.5(174)10x-4.2=1.8(175)2x-2.9=1.7(176)22x-4.2=9(177)2x-4.9=8.1(178)5x-1=4.5(179)3x-2.1=14.4(180)5x-1.4=9.6(181)0.4x-1.6=5.2(182)0.2x-5.8=8(183)0.6x-3.7=13.7(184)2.7x-3.9=9.6(185)2.1x-5.6=11.2(186)1.7x-3.5=8.4(187)0.2x-2.5=8.5(188)0.2x-4.9=3.1(189)0.2x-1.3=13.3(190)96+7x=215(191)130+6x=208(192)106+2x=264(193)178+3x=301(194)194+4x=330(195)193+46x=331(196)95+5x=220(197)118+49x=265(198)167+11x=200(199)175-8x=47(200)181-2x=127(201)145-10x=125(202)65-12x=29(203)117-3x=69(204)189-19x=151(205)162-2x=144(206)193-55x=28(207)119-4x=23(208)13.9+0.5x=21.4(209)4.7+3.5x=15.2(210)7.2+4.3x=24.4(211)1.3+0.6x=9.1(212)7.2+1.6x=10.4(213)13.5+0.3x=18(214)1.9+9.4x=20.7(215)5.6+0.2x=19.8(216)1.8+0.4x=10.6(217)14.2+5x=22.2(218)5.6+2x=11(219)16.5+13x=29.5(220)3.5+26x=8.7(221)5.2+5x=15.2(222)17.4+49x=27.2(223)12.3+61x=30.6(224)5.4+2x=23.8(225)18.1+20x=34.1(226)18.2-0.2x=3.8(227)14.8-1.8x=2.2(228)10.8-0.5x=5.3(229)13.9-0.8x=5.1(230)14.6-1.1x=8(231)18.3-2.8x=7.1(232)15-1x=3(233)18.7-4.1x=2.3(234)9.9-0.3x=4.5(235)18.3-3x=16.2(236)12.6-19x=8.8(237)19.9-18x=9.1(238)18.6-14x=11.6(239)9.7-4x=5.7(240)9.4-7x=3.8(241)11.5-3x=4.6(242)13.5-3x=9.6(243)15.1-21x=2.5(244)2x÷12=6(245)24x÷72=2(246)4x÷2=20(247)22x÷2=44(248)12x÷18=10(249)58x÷4=29(250)3x÷5=33(251)4x÷82=2(252)2x÷14=8(253)2x÷90=0.2(254)1.6x÷4=1.2(255)1x÷6=2.5(256)1.7x÷34=0.2(257)5.1x÷17=0.9(258)2x÷10=0.4(259)0.9x÷15=0.3(260)0.4x÷8=0.6(261)6x÷4=3(262)8x÷5=2.4(263)6x÷42=0.3(264)13x÷78=0.2(265)7x÷8=2.1(266)12x÷42=0.4(267)12x÷24=0.7(268)7x÷42=0.4(269)8x÷2=1.6(270)25x÷5=4(271)4x+5x=135(272)8x+4x=216(273)16x+9x=150(274)6x+11x=204(275)4x+11x=120(276)12x+10x=352(277)14x+13x=324(278)4x+5x=180(279)15x+18x=99(280)16x-8x=56(281)14x-4x=20(282)19x-3x=96(283)17x-11x=36(284)7x-4x=45(285)14x-4x=100(286)9x-3x=84(287)17x-2x=165(288)19x-15x=36(289)4.8x+2.3x=99.4(290)7x+8.9x=79.5(291)8.9x+6.8x=47.1(292)6.3x+5.4x=128.7(293)8.8x+5.8x=131.4(294)5.9x+5.8x=93.6(295)4.9x+8.1x=91(296)2x+6.6x=129(297)1.5x+1.7x=92.8(298)7.7x-2.4x=58.3(299)2.8x-1.4x=4.2(300)2x-1.2x=28(301)1.1x-0.3x=32.8(302)6.7x-5.5x=10.8(303)6.4x-1.9x=40.5(304)7.7x-2.5x=31.2(305)7x-4.5x=27.5(306)6.2x-5.7x=8(307)8x+4x+38=158(308)16x+2x+41=239(309)11x+17x+37=205(310)2x+3x+10=290(311)7x+17x+9=273(312)2x+5x+33=152(313)9x+15x+35=131(314)12x+4x+31=63(315)12x+4x+20=244(316)2x+3x-31=84(317)18x+15x-39=291(318)12x+14x-10=276(319)11x+5x-10=230(320)18x+15x-41=322(321)4x+8x-29=115(322)6x+10x-16=16(323)17x+15x-22=74(324)8x+9x-29=22(325)9x-7x+7=19(326)12x-6x+42=84(327)12x-10x+32=48(328)17x-3x+21=147(329)19x-6x+5=135(330)6x-4x+44=72(331)19x-2x+14=133(332)15x-6x+48=111(333)17x-11x+12=72(334)9x-5x-31=13(335)15x-4x-24=53(336)14x-11x-3=12(337)16x-14x-5=11(338)16x-3x-20=110(339)8x-3x-47=43(340)8x-5x-7=20(341)6x-3x-7=83(342)16x-4x-20=76(343)6.5x+1.5x+0.3=48.3(344)4.6x+1.8x+4.8=113.6(345)3.8x+0.3x+1.1=58.5(346)9x+8.6x+0.7=35.9(347)5.8x+1x+1.6=96.8(348)4.1x+4.7x+2=37.2(349)1.1x+0.9x+2.6=150.6(350)3.5x+3.1x+3.9=76.5(351)3.6x+0.6x+1.8=64.8(352)24x+85x+1.4=34.1(353)14x+3x+4.3=23(354)50x+18x+3.7=24.1(355)33x+35x+3.2=132.4(356)5x+20x+3=118(357)35x+39x+2.3=105.9(358)41x+2x+4.9=99.5(359)40x+8x+1.9=88.3(360)9x+31x+0.9=96.9(361)7.3x+4.8x-3.4=20.8(362)6.3x+4.4x-2.1=72.8(363)3.9x+1.9x-0.5=22.7(364)4.1x+7.1x-1=144.6(365)6.1x+6.4x-3.9=83.6(366)1.1x+1.8x-3.5=100.9(367)4.1x+1.1x-4.9=57.5(368)5.1x+3.2x-4.3=62.1(369)4x+9.5x-3.8=63.7(370)31x+96x-3.3=111(371)48x+33x-2=119.5(372)5x+58x-1.7=23.5(373)61x+51x-0.3=145.3(374)8x+3x-2.8=20.3(375)90x+28x-0.4=94(376)9x+57x-4.5=81.3(377)2x+79x-2.1=46.5(378)11x+6x-1.9=79.7(379)4.7x-3.3x+0.5=13.1(380)3.5x-2.2x+3.3=29.3(381)7x-2.4x+2.2=62(382)4.1x-0.5x+3.1=85.9(383)3.9x-2.7x+2.1=32.1(384)4.1x-3x+3.6=19(385)8.2x-6x+3.6=16.8(386)9.1x-8.7x+3.2=5.2(387)9.1x-3.3x+3.7=21.1(388)84x-70x+0.7=6.3(389)25x-10x+3.1=16.6(390)96x-62x+2.8=13(391)69x-31x+4.1=53.5(392)58x-53x+1.9=8.4(393)68x-56x+4.2=13.8(394)64x-26x+1.3=58.3(395)62x-59x+0.2=2(396)15x-10x+2.5=9.5(397)4.5x-1.9x-0.4=17.8(398)4.7x-3.1x-1.4=21(399)5.3x-1.4x-4.5=61.8(400)7.4x-0.9x-4.9=14.6(401)7x-1.3x-0.6=27.9(402)3x-1.9x-4.1=27.8(403)5.6x-1.7x-2.8=47.9(404)6.8x-0.5x-3.1=53.6(405)5.8x-3.8x-2.4=17.6(406)89x-56x-1.2=8.7(407)30x-14x-2.6=10.2(408)33x-27x-2.6=8.8(409)49x-28x-2.7=14.1(410)22x-17x-2.8=10.2(411)42x-6x-0.7=82.1(412)89x-10x-0.5=86.4(413)11x-4x-0.9=8.9(414)95x-9x-1.9=49.7(415)14x+2×36=128(416)10x+2×91=212(417)15x+14×2=163(418)4x+2×35=134(419)2x+14×8=290(420)2x+22×3=232(421)5x+3×63=309(422)8x+3×18=110(423)24x+2×26=100(424)4x-3×57=13(425)2x-5×11=25(426)10x-2×56=58(427)20x-12×10=40(428)2x-5×2=20(429)9x-4×25=71(430)16x-28×2=72(431)6x-12×15=18(432)4x-5×21=75(433)3x+0.9×22=37.8(434)3.9x+1.1×17=38.2(435)1x+3×3=17(436)0.3x+0.4×14=15.2(437)0.8x+0.3×27=12.9(438)0.9x+0.4×23=20.9(439)0.9x+2.8×2=22.7(440)0.4x+0.3×29=27.5(441)0.7x+0.8×4=12.3(442)6x+36×0.5=37.8(443)22x+12×0.7=12.8(444)14x+15×0.8=19(445)9x+7×1=24.1(446)42x+3×1.2=12(447)13x+4×2.8=21.6(448)12x+21×0.8=27.6(449)3x+4×4.3=25.3(450)7x+14×1.2=20.3(451)1.3x-0.5×15=6.8(452)1.4x-1×13=3.8(453)2x-1.3×2=17.4(454)2.8x-2.4×7=2.8(455)3.3x-1.3×8=2.8(456)0.5x-1.1×8=9.7(457)2.8x-0.3×31=1.9(458)2.4x-0.3×29=8.1(459)2.5x-0.4×8=11.8(460)35x-2×4.2=2.1(461)23x-12×0.2=11.4(462)4x-13×0.2=15(463)32x-10×0.4=5.6(464)8x-4×1.9=10.8(465)20x-13×0.2=11.4(466)49x-15×0.9=1.2(467)18x-27×0.5=2.7(468)5x-5×0.2=10(469)3(11x+11)=198(470)3(5x+5)=60(471)3(3x+17)=195(472)2(7x+26)=164(473)3(x+16)=66(474)2(11x+36)=138(475)2(x+4)=14(476)2(8x+20)=104(477)3(13x+11)=189(478)7(5x-26)=168(479)2(6x-14)=44(480)7(20x-40)=140(481)6(x-32)=60(482)4(8x-13)=108(483)2(11x-12)=174(484)19(2x-20)=190(485)8(x-21)=160(486)5(2x-41)=145(487)2(1.8x+0.3)=47.4(488)2(1.8x+8.3)=49(489)3(0.3x+3.4)=22.8(490)2(1.2x+2.1)=23.4(491)3(0.9x+7.5)=49.5(492)2(0.6x+5.7)=43.8(493)2(1.5x+7.2)=47.4(494)2(0.4x+3.2)=38.4(495)5(x+3.5)=27.5(496)2(4.5x-0.8)=16.4(497)7(0.2x-1)=12.6(498)24(0.2x-3.9)=31.2(499)2(0.6x-3.8)=39.2(500)16(0.2x-1.5)=24(501)2(0.5x-9.3)=13.4(502)8(0.9x-5.6)=12.8(503)27(0.7x-4.5)=48.6(504)11(0.4x-1.4)=33(505)(4x+6)÷2=29(506)(15x+45)÷24=10(507)(3x+49)÷13=7(508)(18x+22)÷26=5(509)(13x+9)÷3=42(510)(3x+11)÷4=17(511)(12x+11)÷35=1(512)(4x+36)÷38=4(513)(3x+39)÷6=12(514)(16x-4)÷4=39(515)(18x-13)÷5=19(516)(8x-48)÷4=24(517)(4x-12)÷6=8(518)(9x-12)÷3=56(519)(11x-44)÷11=3(520)(13x-40)÷32=2(521)(6x-18)÷3=40(522)(7x-46)÷4=34(523)(6.2x+2.4)÷35=0.6(524)(6.4x+3.4)÷3=31(525)(3.2x+2)÷4=14.1(526)(1.6x+3)÷14=0.9(527)(1.3x+0.4)÷31=0.6(528)(8x+0.5)÷5=11.3(529)(8.3x+3.9)÷5=12.4(530)(8.5x+0.3)÷27=1.9(531)(8.6x+0.9)÷13=4.7(532)(4.8x-2.4)÷2=6(533)(6.6x-8.6)÷2=32(534)(2.7x-5.4)÷27=0.4(535)(1.6x-2.6)÷33=0.6(536)(1.3x-3.6)÷4=0.4(537)(5.2x-1.2)÷14=6.6(538)(x-2)÷8=1(539)(6.7x-7.9)÷2=12.8(540)(3.4x-9.2)÷15=1.2參考答案(1)x=35(2)x=36(3)x=32(4)x=32(5)x=59(6)x=48(7)x=97(8)x=30(9)x=16(10)x=74(11)x=44(12)x=38(13)x=38(14)x=97(15)x=62(16)x=62(17)x=20(18)x=89(19)x=1.1(20)x=8(21)x=2.8(22)x=5.9(23)x=8(24)x=9.5(25)x=2(26)x=5.9(27)x=6.7(28)x=7.4(29)x=9(30)x=6.4(31)x=6.6(32)x=8.8(33)x=2(34)x=2.6(35)x=6.3(36)x=4.3(37)x=89(38)x=29(39)x=39(40)x=24(41)x=53(42)x=45(43)x=15(44)x=25(45)x=91(46)x=73(47)x=4(48)x=58(49)x=27(50)x=16(51)x=7(52)x=52(53)x=35(54)x=4(55)x=2.4(56)x=7.2(57)x=3.5(58)x=3(59)x=9.6(60)x=6.2(61)x=8.1(62)x=8.6(63)x=5.9(64)x=3.2(65)x=3.1(66)x=1(67)x=2.3(68)x=0.4(69)x=3.2(70)x=0.7(71)x=3.7(72)x=3.7(73)x=2(74)x=18(75)x=3(76)x=7(77)x=2(78)x=3(79)x=5(80)x=2(81)x=33(82)x=15(83)x=38(84)x=9(85)x=92(86)x=2(87)x=18(88)x=3(89)x=85(90)x=5(91)x=1.2(92)x=2.1(93)x=3.8(94)x=0.2(95)x=0.6(96)x=0.3(97)x=5.1(98)x=0.3(99)x=7.7(100)x=13(101)x=80(102)x=4(103)x=4(104)x=4(105)x=19(106)x=3(107)x=4(108)x=25(109)x=50(110)x=4(111)x=7(112)x=4(113)x=18(114)x=71(115)x=4(116)x=75(117)x=27(118)x=128(119)x=45(120)x=36(121)x=195(122)x=168(123)x=60(124)x=114(125)x=78(126)x=56(127)x=15.2(128)x=15(129)x=8(130)x=5.8(131)x=8.8(132)x=14.4(133)x=5(134)x=16.2(135)x=5.6(136)x=25(137)x=7(138)x=38(139)x=2(140)x=18(141)x=10(142)x=43(143)x=17(144)x=7(145)x=6(146)x=47(147)x=11(148)x=4(149)x=6(150)x=69(151)x=27(152)x=6(153)x=2(154)x=0.6(155)x=0.7(156)x=0.6(157)x=0.4(158)x=0.4(159)x=0.7(160)x=0.4(161)x=0.7(162)x=1.6(163)x=6(164)x=2(165)x=21(166)x=13(167)x=50(168)x=2(169)x=45(170)x=4(171)x=8(172)x=0.3(173)x=0.2(174)x=0.6(175)x=2.3(176)x=0.6(177)x=6.5(178)x=1.1(179)x=5.5(180)x=2.2(181)x=17(182)x=69(183)x=29(184)x=5(185)x=8(186)x=7(187)x=55(188)x=40(189)x=73(190)x=17(191)x=13(192)x=79(193)x=41(194)x=34(195)x=3(196)x=25(197)x=3(198)x=3(199)x=16(200)x=27(201)x=2(202)x=3(203)x=16(204)x=2(205)x=9(206)x=3(207)x=24(208)x=15(209)x=3(210)x=4(211)x=13(212)x=2(213)x=15(214)x=2(215)x=71(216)x=22(217)x=1.6(218)x=2.7(219)x=1(220)x=0.2(221)x=2(222)x=0.2(223)x=0.3(224)x=9.2(225)x=0.8(226)x=72(227)x=7(228)x=11(229)x=11(230)x=6(231)x=4(232)x=12(233)x=4(234)x=18(235)x=0.7(236)x=0.2(237)x=0.6(238)x=0.5(239)x=1(240)x=0.8(241)x=2.3(242)x=1.3(243)x=0.6(244)x=36(245)x=6(246)x=10(247)x=4(248)x=15(249)x=2(250)x=55(251)x=41(252)x=56(253)x=9(254)x=3(255)x=15(256)x=4(257)x=3(258)x=2(259)x=5(260)x=12(261)x=2(262)x=1.5(263)x=2.1(264)x=1.2(265)x=2.4(266)x=1.4(267)x=1.4(268)x=2.4(269)x=0.4(270)x=0.8(271)x=15(272)x=18(273)x=6(274)x=12(275)x=8(276)x=16(277)x=12(278)x=20(279)x=3(280)x=7(281)x=2(282)x=6(283)x=6(284)x=15(285)x=10(286)x=14(287)x=11(288)x=9(289)x=14(290)x=5(291)x=3(292)x=11(293)x=9(294)x=8(295)x=7(296)x=15(297)x=29(298)x=11(299)x=3(300)x=35(301)x=41(302)x=9(303)x=9(304)x=6(305)x=11(306)x=16(307)x=10(308)x=11(309)x=6(310)x=56(311)x=11(312)x=17(313)x=4(314)x=2(315)x=14(316)x=23(317)x=10(318)x=11(319)x=15(320)x=11(321)x=12(322)x=2(323)x=3(324)x=3(325)x=6(326)x=7(327)x=8(328)x=9(329)x=10(330)x=14(331)x=7(332)x=7(333)x=10(334)x=11(335)x=7(336)x=5(337)x=8(338)x=10(339)x=18(340)x=9(341)x=30(342)x=8(343)x=6(344)x=17(345)x=14(346)x=2(347)x=14(348)x=4(349)x=74(350)x=11(351)x=15(352)x=0.3(353)x=1.1(354)x=0.3(355)x=1.9(356)x=4.6(357)x=1.4(358)x=2.2(359)x=1.8(360)x=2.4(361)x=2(362)x=7(363)x=4(364)x=13(365)x=7(366)x=36(367)x=12(368)x=8(369)x=5(370)x=0.9(371)x=1.5(372)x=0.4(373)x=1.3(374)x=2.1(375)x=0.8(376)x=1.3(377)x=0.6(378)x=4.8(379)x=9(380)x=20(381)x=13(382)x=23(383)x=25(384)x=14(385)x=6(386)x=5(387)x=3(388)x=0.4(389)x=0.9(390)x=0.3(391)x=1.3(392)x=1