五年級數(shù)學(xué)(方程)專項練習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)專項練習(xí)題及答案匯編(1)9.2x+1.3x=63(2)x-3=62(3)165÷x=5(4)0.8+x=3.7(5)x÷8=2(6)x÷91=2(7)x+8=36(8)38-x=20(9)18.3-38x=3.1(10)6.2÷x=0.2(11)5x+12x+35=307(12)15.4-3x=11.5(13)60+x=155(14)3.2x+1.9=14.7(15)1.4x-0.9x+0.7=17.7(16)9x-0.2x=96.8(17)181-6x=85(18)(13x+14)÷4=23(19)5.1x-0.7x-4.1=66.3(20)(5.9x-6.6)÷18=1.6(21)0.7x=11.2(22)(7.8x-6)÷2=16.5(23)17(2.6x-5.2)=44.2(24)2x+13x-13=32(25)4.1x+7.5x=127.6(26)(0.7x+4.4)÷4=3.2(27)18x+5×12=168(28)1.7x+2.9x-0.5=86.9(29)18x+8x+22=126(30)2.1x=14.7(31)99x-57x-0.8=11.8(32)21x+17x+1.6=172.6(33)3(9x+42)=180(34)x+6.8=11(35)100x+1.8=21.8(36)9x-5×3.1=4.3(37)x÷89=2(38)8x-1.4=17(39)8x-4x-10=82(40)16(1.2x-7.1)=40(41)0.8x-0.4x=2(42)190-25x=90(43)189÷x=9(44)5(1.4x-6.9)=21.5(45)9x+21x+1.6=118.6(46)1.6x+1.4=15.8(47)15x÷2=4.5(48)8x-3x=115(49)182-8x=14(50)7x+8x=45(51)0.2x+5.2=11.8(52)9x-2x=154(53)17x+18x+0.5=98.5(54)(8x+4)÷6=10(55)144÷x=16(56)10x+8x=108(57)14.7+30x=26.7(58)7x-3x-38=38(59)x÷89=0.2(60)14x-2x+18=102(61)(4x-20)÷10=2(62)2x÷7=6(63)7.8x-4.9x=29(64)14.7+4.7x=28.8(65)2x-5.7=5.7(66)3.7x=14.8(67)56x+20x+3.1=94.3(68)11x-3x+48=88(69)x÷12=1.2(70)(9x+18)÷3=93(71)2x+5x=133(72)1.7x+8.4x=60.6(73)3.6x-0.4×24=1.2(74)x-0.8=5.5(75)47x=141(76)15x-10×1.1=5.5(77)3.4x-0.5×17=8.5(78)6(0.2x+6.7)=43.8(79)7.6-x=3.6(80)51+x=116(81)14.3-1.6x=1.5(82)3x+4x=91(83)8x-3×2.8=11.6(84)18x+5x-3.2=100.3(85)(10x+10)÷16=5(86)67x+95x-4.4=28(87)2.9x+0.5x+2.7=53.7(88)8x÷4=2.4(89)16x-10x-6=12(90)3x=108(91)x÷38=0.3(92)5x÷3=40(93)(3.6x+2.4)÷4=8.7(94)(2.3x+9.7)÷4=9.9(95)8x+85×2=202(96)(19x-12)÷35=4(97)5.8+1x=11.8(98)2x+24×0.7=20.2(99)2x-3×29=41(100)13.1-20x=9.1(101)0.6x+1.3x+4.6=76.8(102)(2.3x+7.3)÷8=3.5(103)3.4x+8.4x-1.7=128.1(104)11x+2x-34=96(105)5x+7x-7=161(106)15x-3x-31=65(107)2.7÷x=0.9(108)0.4x÷64=0.3(109)x-51=34(110)5.8x÷4=2.9(111)18x+41×0.4=25.4(112)2.5x+5.1=25.1(113)14.8÷x=0.2(114)17x-3x=112(115)0.5x-2.5×2=3(116)0.4x+1.8=15.4(117)5x+13=88(118)11x-2×74=28(119)16÷x=0.5(120)2x÷6=2.5(121)3x+28×0.7=34(122)1.6x+3.3x-3.9=94.1(123)32x-36=156(124)x+6=6.3(125)86-x=50(126)25x-30=20(127)8.7x-1.3x=74(128)1.6x+9.1x=107(129)3.5x+4.7x-4.1=77.9(130)9x-38×0.4=3.7(131)0.8x-0.4×17=11.6(132)50-x=12(133)x-2=27(134)x+61=160(135)12x-52=104(136)3x+22x-2.9=92.1(137)13÷x=1(138)x-5.1=2.8(139)x+1.1=8(140)0.9x÷2=3.6(141)3.2x+2.9×6=27(142)7x-3x-29=39(143)42+x=67(144)105÷x=3(145)(12x-40)÷4=35(146)28x+5×3.1=26.7(147)x-39=56(148)14x+16x-3=297(149)2.6x-2.2×5=7.2(150)10x-7×4=32(151)7.1+20x=23.1(152)16+1.5x=31(153)1.6x+1.6×8=22.4(154)11x÷22=0.7(155)78x÷13=1.2(156)0.3x-3.9=3.3(157)4(x+25)=116(158)0.4x+2x+2.6=7.4(159)95x-29x-0.7=52.1(160)61+x=148(161)11x-7x=72(162)2.5x+5.9x-3.3=63.9(163)38x-7x+3.9=22.5(164)x+45=72(165)32x-40×0.2=11.2(166)5.7x-3.4x+0.5=28.1(167)3x=15.3(168)7.4x-0.3x+0.7=29.1(169)2.1x+5x-4.5=116.2(170)11(x-21)=176(171)x-10=62(172)3x+2x-9=181(173)4x+5.5x=57(174)x+1.4=2.5(175)83x+81x+3.8=135(176)97x-4x+0.8=75.2(177)x÷56=0.2(178)x÷6=19(179)6.8-x=3.4(180)(8x-32)÷2=16(181)10x+13x-36=148(182)8.6x-7.9x+4.4=9.3(183)3.6x+1.8x+1.3=93.1(184)(3.6x+2.8)÷19=2.8(185)12x-3x=72(186)3.5x+1x-3.8=36.7(187)1.3x+3.4=9.9(188)x+55=58(189)42x-29x+4.7=34.6(190)6.1+17x=21.4(191)8.1x-3.1x-1.9=33.1(192)x-1.1=3(193)7x+5x+18=66(194)1.8+1.1x=13.9(195)20(1.4x-3.2)=20(196)8x+6x+49=217(197)3.8x+2.6x+1.6=97.6(198)5.4x+8.6x+0.4=140.4(199)8(0.2x-3.9)=16.8(200)x+30=42(201)49x-3x-1.5=62.9(202)99x+88x-1=129.9(203)6x÷20=0.9(204)6.2+3x=14.6(205)59x-44=74(206)2x-3.4=15.8(207)(6.3x+4.9)÷5=9.8(208)7.5+x=12.1(209)2(12x+8)=88(210)8x+3×49=315(211)93x-28=158(212)x÷4=11(213)0.4x-5.3=3.1(214)19x+14x+35=266(215)8.4÷x=2.1(216)1.2x+0.2×48=20.4(217)4.3x-0.8×5=8.9(218)x+4.7=11.4(219)59x+2.9=20.6(220)(4.7x-4.1)÷3=28.4(221)2(1.8x+9.8)=41.2(222)4x+2.1=6.5(223)x÷9=1.4(224)x÷3=49(225)2(7x+22)=100(226)4x+10×1.4=30.4(227)(3.4x-7.4)÷2=13.3(228)12x-10x-11=19(229)9.8-x=5.8(230)75x+42x-1=92.6(231)4.1x=16.4(232)3(x+14)=168(233)14.8-0.2x=10.4(234)9x=11.7(235)38x-2x+4.5=94.5(236)55x-46x-4.1=11.2(237)110+11x=253(238)0.2x=17.2(239)(1.5x-4.7)÷22=0.4(240)116+4x=260(241)136-32x=40(242)x-5.9=1.1(243)1.3+x=5.7(244)74-x=64(245)2.3+0.9x=5.9(246)x-21=23(247)10.3-1.9x=6.5(248)17-0.3x=2(249)x÷4=36(250)25x-45×0.3=1.5(251)x+86=122(252)5.6+x=8.4(253)1.5+x=8(254)4.5-6x=3.3(255)14x-4x-4=66(256)2x-20×0.3=3(257)1.3x+4.2=12(258)x-1=5(259)11x-42=90(260)5x+37=47(261)35x=7(262)0.6x+0.4×12=15(263)x-13=48(264)16.9-51x=1.6(265)x÷71=2(266)x-30=25(267)33x-10x+1.6=52.2(268)9x-3.6x+4.7=58.7(269)77-x=34(270)110÷x=10(271)(7.5x+4)÷10=7.9(272)168÷x=3(273)1.8x÷3=4.2(274)18x-11x-1.9=24(275)80x-39x+1.1=25.7(276)29x+11=185(277)6x+2x=152(278)4.8x-0.8x-4.5=67.5(279)6x÷18=4(280)4x+18×1=37.6(281)2.2x÷99=0.2(282)47x-22x+0.2=22.7(283)64x÷16=12(284)10x+13x-47=68(285)151+37x=225(286)(3x-18)÷48=1(287)13x=6.5(288)0.4x=13.2(289)2(3x-2.7)=12.6(290)2(3.2x+0.9)=40.2(291)0.9x+2×4=11.6(292)3.2+2.5x=20.7(293)2x-3.8=5.4(294)73-x=18(295)47x-7x-3.1=52.9(296)71x-26x+3.5=39.5(297)0.6x-0.4×15=6(298)6.2-x=3.2(299)1.8÷x=0.3(300)15x-3x+26=74(301)144÷x=48(302)32x÷80=2(303)19x-15x+42=78(304)2x+2×16=158(305)49x+26x+1.8=151.8(306)10x+5x+17=152(307)5x-3x-29=19(308)2x+5.7=13.9(309)(5.8x-4.8)÷14=3.8(310)3(x+0.9)=8.7(311)50x-8x-4=46.4(312)(1.1x-5)÷30=0.2(313)58x-2.2=15.2(314)7x+3×4.7=21.1(315)18.6-0.2x=12.2(316)71x+40=182(317)15(x-35)=165(318)7x+3.6=12.7(319)0.8x+0.8×3=10.4(320)162-8x=10(321)(7x-9)÷9=20(322)14x-2x=36(323)5.3x-2.8x+2.3=42.3(324)2(x+21)=50(325)1.8x+7x=88(326)9x-4×1.4=7(327)61x+2.6=20.9(328)5-0.5x=1.5(329)x+1.9=7.2(330)82+x=131(331)6(2x-40)=192(332)98x-1.4=18.2(333)3(3.2x-5.4)=41.4(334)2(18x-40)=136(335)5x÷90=2(336)19-0.8x=16.6(337)100÷x=4(338)11x+25=124(339)12x-5x-24=53(340)18x÷36=0.5(341)8.2-x=5(342)0.9x-0.7x-1.7=17.3(343)30x=60(344)6(0.3x-0.9)=18(345)x+3.5=12(346)7(0.2x+3.1)=24.5(347)11.1+0.2x=20.7(348)6.2x-5.5x=7(349)22x-1.8=18(350)2x+3.7=6.3(351)7.9-0.7x=2.3(352)76x+48x+3=102.2(353)93+3x=171(354)19+3x=211(355)4.9x-1.5=18.1(356)19.2+15x=28.2(357)(17x+10)÷28=4(358)12x+34=178(359)0.6x+0.4×39=18.6(360)0.3x+2.7=18.6(361)5.2+x=7.1(362)32+x=68(363)2.8x+7.6x-0.2=124.6(364)0.5x-2.3=2.7(365)94-x=31(366)3.9x-0.7x-1.5=27.3(367)(10x-29)÷3=27(368)4x-3×10=42(369)1.6x÷12=0.8(370)146+2x=258(371)9x+7x=128(372)6x-20×2=134(373)146-12x=38(374)3.6x÷18=0.8(375)9x-29=25(376)6.2-x=2.7(377)x+4=11.6(378)7.5x-6.3x=7.2(379)58-x=43(380)2x=42(381)0.2x-2.1=5.3(382)6(4x+7)=186(383)12x-6x=96(384)(1.8x-5.7)÷3=2.3(385)148-2x=62(386)9(x-26)=180(387)9x=54(388)0.4x+3.6=20.4(389)9.8x-1.8x=32(390)(15x+25)÷7=25(391)x÷67=2(392)9.2x-6.8x+3.3=20.1(393)31+x=118(394)9.1x+4.6x+0.9=42(395)13.4+3x=26.6(396)66x=19.8(397)2(7.5x+4)=38(398)5x+6x=220(399)10.4-0.5x=8.9(400)112-17x=61(401)x-5.9=1.6(402)7.1x-2x+2.4=73.8(403)3x=9.9(404)x-5.9=1.9(405)16.4÷x=0.4(406)11x-3x+31=87(407)0.2x+2.8×6=19.8(408)7x=14(409)93-x=36(410)4x-44=64(411)7.8+3.7x=22.6(412)1.2x=9.6(413)14x-5x+2=32.6(414)16x+60×3=308(415)1x-0.4×25=4(416)7.2x-6.6x-4.6=3.2(417)5.3+x=12.4(418)1.4x+7.9x=93(419)9x-7x+33=59(420)3x-2.8x-1.1=3.7(421)16x-13×0.8=8.8(422)9x+5x=84(423)1+6x=11.2(424)7x÷28=6(425)(8x+32)÷19=8(426)(5.7x+8.4)÷33=2.5(427)38x+48x+3.5=115.3(428)x-28=56(429)6x-2x+30=122(430)35+x=134(431)61x+76x-2.5=79.7(432)3(2x-33)=81(433)4(2x-42)=128(434)2(4.9x+4.5)=38.4(435)2x+2×20=140(436)x+5.2=13.9(437)18x÷5=3.6(438)95+x=144(439)86+3x=251(440)0.4x=1.2(441)50x+1.5=11.5(442)2x=108(443)21x-16x-1.5=2(444)1.9x-1.5x+0.6=5.4(445)(7x-14)÷28=6(446)x÷4=3.5(447)8.7x-1.3x=66.6(448)19.9-2x=10.3(449)0.6x-2.2=14(450)5x+3.2=8.7(451)1.6x-5.2=1.2(452)175÷x=25(453)20x-3×35=15(454)13x-8x=70(455)8-x=4.8(456)2(2.7x-2.9)=26.6(457)2x=80(458)3(10x-25)=165(459)x-3.1=2.7(460)1.2x÷8=0.6(461)x÷12=1.6(462)16.2+19x=21.9(463)(8x-34)÷2=23(464)5.1x+5.5x-3=124.2(465)8.5x-1.5x=70(466)139+25x=339(467)9.6+x=15.1(468)59x+44x-1.5=153(469)15x+51×2=282(470)19x-2x-3.2=52.9(471)9(10x-15)=135(472)11x+19×0.8=20.7(473)4.6x+1.5x=18.3(474)15.9+42x=28.5(475)2x-2×66=44(476)2(16x+5)=74(477)9.5-x=4.4(478)x+57=81(479)x-1.6=7.8(480)83x+16x-1.6=77.6(481)(2.9x+9.1)÷8=7.3(482)17x-11x=42(483)6(1.8x+0.8)=48(484)45x=13.5(485)9x-2x+22=141(486)6.4x-4.6x-1.6=3.8(487)54+89x=232(488)55x-23=142(489)8-x=1.9(490)x+58=85(491)2x=10.4(492)12.5-3x=5.6(493)2(3x+8)=154(494)44x+2×2.4=18(495)(12x+21)÷33=9(496)9x+54=216(497)10x+8x=324(498)184-5x=79(499)4.8x+5.1x+4.3=172.6(500)(6x+36)÷3=22(501)3x+8×4=95(502)19.1+5.4x=35.3(503)4.2x+1.5x=51.3(504)5(0.3x+4.8)=27(505)5.1x-5.5=4.7(506)8÷x=0.8(507)61x+11x+4.7=47.9(508)6x÷3=2.4(509)24x+22x-2.8=112.2(510)11x+3x-2=222(511)x÷21=9(512)17x+32=202(513)1.1x+1.9x+0.8=141.8(514)5x-2x+5=89(515)26x-3×17=131(516)11x+14x+43=343(517)8x-4.3=2.9(518)23x+4×31=308(519)10x+4x+47=89(520)3.1x-0.8x-0.3=27.3(521)11x-2.6=2.9(522)16.5-35x=9.5(523)2x+34=94(524)10x+16x-21=83(525)5.5+x=12.4(526)0.8x-1.3×7=6.9(527)x+83=85(528)24x÷3=40(529)(8.4x-7.7)÷7=4.9(530)0.2x-5.3=10.1(531)43x=172(532)0.2x÷6=1.9(533)16.7-12x=7.1(534)0.5x=1.5(535)11x+8x+31=221(536)2.1x+3.9×5=34.2(537)2x=154(538)82x÷41=4(539)11x-2×76=35(540)x÷2=0.3參考答案(1)x=6(2)x=65(3)x=33(4)x=2.9(5)x=16(6)x=182(7)x=28(8)x=18(9)x=0.4(10)x=31(11)x=16(12)x=1.3(13)x=95(14)x=4(15)x=34(16)x=11(17)x=16(18)x=6(19)x=16(20)x=6(21)x=16(22)x=5(23)x=3(24)x=3(25)x=11(26)x=12(27)x=6(28)x=19(29)x=4(30)x=7(31)x=0.3(32)x=4.5(33)x=2(34)x=4.2(35)x=0.2(36)x=2.2(37)x=178(38)x=2.3(39)x=23(40)x=8(41)x=5(42)x=4(43)x=21(44)x=8(45)x=3.9(46)x=9(47)x=0.6(48)x=23(49)x=21(50)x=3(51)x=33(52)x=22(53)x=2.8(54)x=7(55)x=9(56)x=6(57)x=0.4(58)x=19(59)x=17.8(60)x=7(61)x=10(62)x=21(63)x=10(64)x=3(65)x=5.7(66)x=4(67)x=1.2(68)x=5(69)x=14.4(70)x=29(71)x=19(72)x=6(73)x=3(74)x=6.3(75)x=3(76)x=1.1(77)x=5(78)x=3(79)x=4(80)x=65(81)x=8(82)x=13(83)x=2.5(84)x=4.5(85)x=7(86)x=0.2(87)x=15(88)x=1.2(89)x=3(90)x=36(91)x=11.4(92)x=24(93)x=9(94)x=13(95)x=4(96)x=8(97)x=6(98)x=1.7(99)x=64(100)x=0.2(101)x=38(102)x=9(103)x=11(104)x=10(105)x=14(106)x=8(107)x=3(108)x=48(109)x=85(110)x=2(111)x=0.5(112)x=8(113)x=74(114)x=8(115)x=16(116)x=34(117)x=15(118)x=16(119)x=32(120)x=7.5(121)x=4.8(122)x=20(123)x=6(124)x=0.3(125)x=36(126)x=2(127)x=10(128)x=10(129)x=10(130)x=2.1(131)x=23(132)x=38(133)x=29(134)x=99(135)x=13(136)x=3.8(137)x=13(138)x=7.9(139)x=6.9(140)x=8(141)x=3(142)x=17(143)x=25(144)x=35(145)x=15(146)x=0.4(147)x=95(148)x=10(149)x=7(150)x=6(151)x=0.8(152)x=10(153)x=6(154)x=1.4(155)x=0.2(156)x=24(157)x=4(158)x=2(159)x=0.8(160)x=87(161)x=18(162)x=8(163)x=0.6(164)x=27(165)x=0.6(166)x=12(167)x=5.1(168)x=4(169)x=17(170)x=37(171)x=72(172)x=38(173)x=6(174)x=1.1(175)x=0.8(176)x=0.8(177)x=11.2(178)x=114(179)x=3.4(180)x=8(181)x=8(182)x=7(183)x=17(184)x=14(185)x=8(186)x=9(187)x=5(188)x=3(189)x=2.3(190)x=0.9(191)x=7(192)x=4.1(193)x=4(194)x=11(195)x=3(196)x=12(197)x=15(198)x=10(199)x=30(200)x=12(201)x=1.4(202)x=0.7(203)x=3(204)x=2.8(205)x=2(206)x=9.6(207)x=7(208)x=4.6(209)x=3(210)x=21(211)x=2(212)x=44(213)x=21(214)x=7(215)x=4(216)x=9(217)x=3(218)x=6.7(219)x=0.3(220)x=19(221)x=6(222)x=1.1(223)x=12.6(224)x=147(225)x=4(226)x=4.1(227)x=10(228)x=15(229)x=4(230)x=0.8(231)x=4(232)x=42(233)x=22(234)x=1.3(235)x=2.5(236)x=1.7(237)x=13(238)x=86(239)x=9(240)x=36(241)x=3(242)x=7(243)x=4.4(244)x=10(245)x=4(246)x=44(247)x=2(248)x=50(249)x=144(250)x=0.6(251)x=36(252)x=2.8(253)x=6.5(254)x=0.2(255)x=7(256)x=4.5(257)x=6(258)x=6(259)x=12(260)x=2(261)x=0.2(262)x=17(263)x=61(264)x=0.3(265)x=142(266)x=55(267)x=2.2(268)x=10(269)x=43(270)x=11(271)x=10(272)x=56(273)x=7(274)x=3.7(275)x=0.6(276)x=6(277)x=19(278)x=18(279)x=12(280)x=4.9(281)x=9(282)x=0.9(283)x=3(284)x=5(285)x=2(286)x=22(287)x=0.5(288)x=33(289)x=3(290)x=6(291)x=4(292)x=7(293)x=4.6(294)x=55(295)x=1.4(296)x=0.8(297)x=20(298)x=3(299)x=6(300)x=4(301)x=3(302)x=5(303)x=9(304)x=63(305)x=2(306)x=9(307)x=24(308)x=4.1(309)x=10(310)x=2(311)x=1.2(312)x=10(313)x=0.3(314)x=1(315)x=32(316)x=2(317)x=46(318)x=1.3(319)x=10(320)x=19(321)x=27(322)x=3(323)x=16(324)x=4(325)x=10(326)x=1.4(327)x=0.3(328)x=7(329)x=5.3(330)x=49(331)x=36(332)x=0.2(333)x=6(334)x=6(335)x=36(336)x=3(337)x=25(338)x=9(339)x=11(340)x=1(341)x=3.2(342)x=95(343)x=2(344)x=13(345)x=8.5(346)x=2(347)x=48(348)x=10(349)x=0.9(350)x=1.3(351)x=8(352)x=0.8(353)x=26(354)x=64(355)x=4(356)x=0.6(357)x=6(358)x=12(359)x=5(360)x=53(361)x=1.9(362)x=36(363)x=12(364)x=10(365)x=63(366)x=9(367)x=11(368)x=18(369)x=6(370)x=56(371)x=8(372)x=29(373)x=9(374)x=4(375)x=6(376)x=3.5(377)x=7.6(378)x=6(379)x=15(380)x=21(381)x=37(382)x=6(383)x=16(384)x=7(385)x=43(386)x=46(387)x=6(388)x=42(389)x=4(390)x=10(391)x=134(392)x=7(393)x=87(394)x=3(39