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)3x+16×9=288(2)x÷47=4(3)16+59x=193(4)96-x=10(5)0.4x+5.1=23.5(6)x-4=93(7)0.7x+5.2x-3.4=91(8)16x+8×1.6=17.6(9)76x÷4=3.8(10)88-x=76(11)3x-2.9=3.1(12)20x+27x+1.3=53(13)3(3x-33)=189(14)(7.3x-9.3)÷3=4.2(15)(9x-24)÷3=7(16)(6x-40)÷2=58(17)0.6x+0.5x+4.7=15.7(18)6.8+3.6x=14(19)95x-24x-1=20.3(20)3(0.7x+3.2)=45.3(21)73x+63x-1.8=134.2(22)13x-7x=72(23)1.4x+1.5x-2.4=75.9(24)15x+9x+4=244(25)2x=14(26)7.1x-0.4x=33.5(27)9x÷45=0.4(28)13.1+9.3x=31.7(29)6x-4x=62(30)28x-30=166(31)37x-26x-3.3=3.3(32)53+x=83(33)x+55=108(34)9.7-x=4.2(35)4x=44(36)x-1.6=3.7(37)0.4x÷28=0.2(38)80-x=74(39)8.6-x=6.3(40)8x-10×0.2=10(41)(3.9x+0.9)÷2=14.1(42)2(21x+49)=182(43)42x=12.6(44)(1.3x-3.1)÷17=0.2(45)13x+5x-33=183(46)27x-18x+4.7=16.4(47)2.7+1.4x=6.9(48)x-37=31(49)9x-3x+39=63(50)48x÷16=6(51)9x+13x+3.6=49.8(52)19x÷57=0.2(53)30x-18x-3=30.6(54)33x+1.7=8.3(55)77x=154(56)x+5.2=9.1(57)(3x+27)÷15=6(58)86x-22x+4.9=36.9(59)120÷x=3(60)1.5x+2.7×3=17.1(61)50+44x=226(62)19.6+0.2x=35.6(63)12x-8x-6=22(64)4x+43×0.3=28.9(65)(4.9x-4.6)÷4=11.1(66)65x-55x-4.8=1.2(67)19.4-0.2x=8.8(68)40x÷20=8(69)72+x=90(70)17x+68x-3=31(71)2x=174(72)25x+5×1.7=18.5(73)5.8x+0.3x=91.5(74)4x+8x=252(75)12x÷60=0.2(76)15.3-0.9x=8.1(77)3x+5x+42=162(78)26x=7.8(79)1x=5(80)2x-4.2=7(81)2x+9×2=25.6(82)16.7-3x=11(83)70+x=145(84)2.7x-3.8=12.4(85)x÷5=2.7(86)x+44=94(87)5.7+1.5x=19.2(88)16+x=99(89)27x÷36=3(90)9(17x-20)=126(91)3x+27×7=201(92)17x+3x=140(93)132+4x=316(94)2x+65x+1.3=54.9(95)(4.4x-5.2)÷26=2(96)x+39=123(97)0.9x÷6=3(98)1.1x+0.5x-2.3=55.3(99)64x-1.1=18.1(100)66-x=55(101)6.8÷x=0.4(102)4.3-x=1.3(103)2x-1.2=18.8(104)x-61=24(105)8(0.3x-5.5)=11.2(106)3x-30×4=57(107)43+6x=187(108)40x-29x-2=17.8(109)4(2x-20)=200(110)2x+30=92(111)2.3+8x=11.9(112)9.4+0.2x=19(113)17x+48×2=249(114)4(0.3x+7.7)=44(115)11x-1.3=2(116)24x+76x-0.2=119.8(117)5.2x+2.4x=136.8(118)2(23x+18)=174(119)2x+5=13.6(120)2x+17x-40=169(121)6x÷9=0.8(122)x+7.8=11.9(123)4.1x-0.2×7=6.8(124)7.5x-5.7x-3.9=3.3(125)14x=11.2(126)90x÷15=12(127)7x+2x+31=238(128)2x+17x+28=85(129)(13x-34)÷8=25(130)x-6.6=1.9(131)6x+4×41=176(132)x+54=139(133)4x+19x+8=215(134)3.4x=17(135)9-9x=5.4(136)x+76=110(137)144-12x=84(138)(3.4x+8.3)÷3=10.7(139)5(16x-40)=120(140)2.5+20x=16.5(141)2.1x÷84=0.2(142)54x+22x-3.1=95.7(143)0.5x+3.3×3=20.4(144)4.5x-4.1x=3.6(145)4.1x-2x+2.2=50.5(146)9(2x-15)=117(147)2.4x+5x+4.3=63.5(148)5.2x-2.9x=9.2(149)7-x=2.7(150)x÷3=49(151)0.2x÷18=1(152)96-12x=48(153)4.9x-3.5x-2.6=12.8(154)(6x+27)÷17=9(155)2.5x-5.3=12.2(156)16x-40=152(157)1.8x+0.7x=132.5(158)160+2x=224(159)16x-2x=154(160)20(2x+5)=180(161)(7x-28)÷10=7(162)2(0.6x+0.8)=29.2(163)1x-0.7x-3.7=16.1(164)(4.3x+6.7)÷5=6.5(165)5.7+0.2x=24.1(166)x÷5=2.3(167)4x-3×2=2.4(168)6.4x-6x+3.4=9(169)x÷86=2(170)180÷x=15(171)0.3x+7x+1.7=30.9(172)5.2x-0.6x+0.5=18.9(173)25x+57x+4.4=61.8(174)3+x=3.8(175)0.2x+0.6×13=16(176)8x+4x=216(177)2x-3×28=30(178)7(1.4x-5.2)=12.6(179)95x+34=224(180)180÷x=45(181)2x+5x-16=131(182)x÷5=3.9(183)51x-4x+4.6=93.9(184)60x=180(185)2x-46=128(186)16x+6x=110(187)16x-8x+5=45(188)45x÷3=30(189)72x+3x-4.8=40.2(190)18x=16.2(191)3.1x+7.9x+1.6=78.6(192)22x+31=75(193)(8.3x+3.6)÷4=9.2(194)1.7x-0.2×34=1.7(195)(5x-22)÷9=2(196)x÷2=0.8(197)80-2x=74(198)(14x+4)÷2=79(199)4.4x+1.8x-0.5=73.9(200)8x-5x-16=44(201)8.2-x=7.3(202)15(1.1x-5.6)=48(203)(7.8x+2)÷4=12.2(204)3x+50=74(205)34x-3.9=9.7(206)14x-4×2=62(207)(3.7x-2.9)÷18=2.1(208)11x=2.2(209)4(x+3.3)=37.2(210)3.5x+1.3x=43.2(211)17.7÷x=0.3(212)10x-3x=49(213)126-8x=46(214)1.3x-1=6.8(215)9x=8.1(216)9.3+x=16.2(217)3(0.6x-5.4)=18(218)17.3+0.4x=31.7(219)0.4x-0.2×17=9.4(220)(3.9x+8.1)÷3=14.4(221)4(15x+12)=168(222)8.5x÷10=1.7(223)4x+21×2=226(224)3.2x-2.1x-3.5=6.4(225)5(0.3x+2.6)=16(226)7x+4x-33=132(227)17x-6x+28=50(228)19x+12=164(229)29x+28×0.3=20(230)10x-5=4(231)24x-5×2.3=7.7(232)2.4÷x=0.4(233)2.2x+2.1=17.5(234)7x-2x-18=47(235)x-2=3.2(236)6+17x=11.1(237)11.2÷x=0.4(238)2x-2×8=106(239)120÷x=40(240)x+1=4.5(241)61x-35x-2.3=36.7(242)7.8x+6x-2.8=162.8(243)3x=10.8(244)x-0.2=2.6(245)4.1+x=9.4(246)4x+1.5=16.3(247)90÷x=2(248)(13x-26)÷4=39(249)7x÷56=0.2(250)77x-1.9=13.5(251)5x-0.9x+0.8=66.4(252)(6.1x-9.6)÷25=2.3(253)0.2x÷6=2.7(254)6.6x-4.7x-1.6=25(255)160-25x=35(256)7.7x+2.6x+1.7=53.2(257)2.2x+5.5=25.3(258)16.3+28x=27.5(259)18x-9x+30=66(260)8x+4x+19=271(261)(3x+7.4)÷2=8.2(262)(8.7x-3.9)÷3=7.4(263)6x-1.1=17.5(264)x÷3=44(265)3x+22=52(266)4x+7x-0.3=44.8(267)11x-7x-4=20(268)(2.1x-5.7)÷9=3.1(269)13x+12x-44=31(270)13x+6x+30=68(271)7.9-6x=4.3(272)x-29=24(273)15.7-0.3x=8.8(274)(7x-39)÷3=15(275)1.2x+2.6x+0.4=61.2(276)6x+4.2x=51(277)10.9-1.1x=3.2(278)2.3x+4x-1.7=29.8(279)13.8-3x=6.3(280)54x-45x+4.6=18.1(281)18x-3x+43=163(282)1.3x=15.6(283)x-20=41(284)2x+12×1.6=23.6(285)3.5+x=12.7(286)9x+20=164(287)164-2x=124(288)3.3x-0.6×19=8.4(289)(2.8x-5.5)÷17=0.5(290)2x-34=12(291)17x-3x+19=89(292)13.8-0.7x=11.7(293)3x+3.6=12(294)9x+2×1.6=23(295)0.8x+1.1×18=28.6(296)89x-64x+1.7=6.7(297)0.2x-1.1=7.1(298)1x-1×7=13(299)x+3.9=8.2(300)132÷x=2(301)x+4.4=8(302)5.2x-1.5x+1.5=27.4(303)99x+1.4=21.2(304)4.9x+0.2×7=16.1(305)(7x+28)÷21=11(306)64x-3x-0.2=91.3(307)45-x=31(308)x-15=53(309)3(x-18)=57(310)3(2.6x+2.4)=30.6(311)27(0.4x-5)=37.8(312)5x÷30=0.4(313)0.5x+2.4=20.4(314)18÷x=0.2(315)6.9x+4.9x+4.5=146.1(316)2.2x+1.4x+2.8=100(317)16x-4x+20=92(318)13x+5x=108(319)15.3÷x=0.9(320)14.4÷x=1.2(321)79-x=47(322)5x-2x+43=79(323)1x=2(324)3x+16×1.1=20.9(325)4x+2×8=184(326)9.9+22x=27.5(327)19.7-8x=2.9(328)x÷25=2(329)1.8x÷3=4.2(330)5x=10(331)38x+3.6=15(332)14x=5.6(333)3.5+x=13.2(334)50x+2x-3.9=84.5(335)80x-38x+0.9=42.9(336)2x=162(337)5x-18=32(338)2(2x+39)=142(339)(8x-36)÷22=6(340)5x+6x+18=370(341)x-7.1=2.2(342)(9.8x+0.4)÷4=14.8(343)125+30x=245(344)4x÷10=18(345)120÷x=5(346)x÷3=4.2(347)x÷2=3.1(348)173-6x=29(349)8.7+x=12.5(350)2.1x+1.7x-2.3=157.3(351)x+3.9=13.4(352)199-18x=127(353)61x+98x+1.6=97(354)3x=6(355)11x÷22=9(356)41+89x=219(357)11.5-2x=11.1(358)7x+55×2=131(359)x-3.3=5.4(360)85x+30x+3.6=61.1(361)14.4-2x=7.8(362)6x+2×65=328(363)1.2x-0.6x=49.8(364)6x+7x=286(365)6.4x+7.8x=156.2(366)(x+30)÷46=1(367)15x-2x=65(368)4.8x+0.7×10=26.2(369)8.8x-2.3x-2.5=30(370)12x÷3=24(371)24x÷3=1.6(372)9.2x÷23=0.8(373)8.5x-1.5=15.5(374)0.2x+6.4x=85.8(375)5x+8x-34=83(376)2(2.6x-2.4)=10.8(377)3(0.5x-6.3)=44.1(378)2(0.8x+0.3)=47(379)3+6x=21.6(380)8.8÷x=0.2(381)97+x=99(382)8x=56(383)x÷4=11(384)18.1-3x=12.1(385)39-x=37(386)3.3x-1.4×4=4.3(387)5x+19x+44=236(388)182÷x=14(389)14.7+9x=21(390)0.9x=15.3(391)17.3+2.9x=28.9(392)18x-2x-33=111(393)4(3x-25)=80(394)(11x+7)÷7=12(395)19x-5x-17=81(396)0.2x+0.5×7=6.5(397)(7x+49)÷2=70(398)28x-8×5=156(399)2.8x-0.3x+0.7=60.7(400)8x+24x+3.4=109(401)x÷6=30(402)0.5x+1.6×2=6.7(403)2.2x-0.8x=47.6(404)0.9x+1.4=5(405)84+x=160(406)x-23=14(407)2.6x+3.8x-1.9=158.1(408)8.4+x=8.6(409)(5x-46)÷14=6(410)0.6x-0.6×3=1.2(411)31x+76x-4.6=70.3(412)16.4+3x=21.5(413)3(x+17)=66(414)0.7x=12.6(415)88x÷22=8(416)2.8x-1.9x=28.8(417)6x-0.4x+1.5=18.3(418)x+44=108(419)135÷x=45(420)1.2x-0.5x-0.8=11.8(421)9.2x-1.4x=78(422)39x-47×0.3=1.5(423)x+3.2=11.8(424)8(0.5x+4.4)=47.2(425)3x-0.7x=66.7(426)13(0.9x-2)=44.2(427)10(0.5x+2.5)=45(428)119+5x=254(429)x+11=18(430)17x-23×2=124(431)3(x+23)=162(432)(2.1x+7.4)÷4=7.1(433)1.5x+3.4=13.9(434)(16x+48)÷8=32(435)20x-5×6=130(436)15x-2x-48=17(437)88+10x=218(438)31x+14=138(439)25x+7×14=173(440)5.3x=15.9(441)47x-2×3.4=12(442)2(1.4x-4.8)=26.8(443)90+x=181(444)60x-7x+0.9=48.6(445)4.1x=16.4(446)19.2-8x=13.6(447)16x-8x-24=64(448)10x-4.2=11.8(449)2x+5.2x=129.6(450)5.5x-3.6x-4.5=5(451)5x-2x=87(452)8.4-x=7.2(453)3(14x-20)=66(454)2x÷26=0.5(455)x-3.6=6.2(456)24x+2.7=9.9(457)7x-22×0.6=6.4(458)3.8x-1.1×14=3.6(459)76+x=92(460)9.1x-7.6x+3.8=15.8(461)5x=180(462)13x+8x-20=274(463)4.8+x=5.1(464)20x-3.3=14.7(465)79+x=95(466)x÷3=37(467)x-42=14(468)13x-26=39(469)2x-36=124(470)6.8-x=3.3(471)x+67=152(472)32x-26x+2.6=20(473)6÷x=3(474)x÷22=0.8(475)156-8x=92(476)10.2+55x=21.2(477)56-x=36(478)15.3-1.7x=11.9(479)12x-5x-22=76(480)51x-34x-4.9=3.6(481)x+9.2=10.5(482)2.1x+3x=56.1(483)6x-2.3x-4=40.4(484)11x+5x-39=217(485)8x+5=15.4(486)5x+9x-30=138(487)4x+37=49(488)6.6-x=3.2(489)4(x-5)=176(490)36x=144(491)26x-2×4.3=7(492)3.6x-4.9=2.3(493)88x-19x+0.8=49.1(494)0.2x÷3=2.2(495)5x-3x=24(496)1.2x+5.6=11.6(497)11x-6x+43=108(498)0.6x+5=23.6(499)5.2x+5.1x+4.3=45.5(500)3x+5x=144(501)15.6-0.3x=15(502)x+5=5.3(503)11x-6x=75(504)34x+2x+2=12.8(505)15.6-2x=6.2(506)37x-4x-3.9=35.7(507)12x+5.9=8.3(508)26x-3×0.8=10.6(509)3(x+3)=39(510)5(7x+8)=110(511)7x+10x=136(512)x+41=134(513)0.9x-2×7=1.3(514)2x-10×3=116(515)6x-2×1.6=4.6(516)22x+61x+4.6=62.7(517)26x-23=107(518)8x+9x=187(519)3.9x+2.8x-2.1=85(520)0.3x+1.8=9(521)x-66=27(522)3x-33×2=84(523)5.5x-1x=76.5(524)x÷2=17(525)74-x=55(526)17x-27=143(527)6.7+x=9.3(528)(14x+14)÷20=7(529)9.9-x=2.7(530)5x+5×1.1=18(531)13.4-0.3x=8(532)0.2x-2.2=10.6(533)x÷4=1.8(534)1.3x-0.8x+3.4=37.9(535)x-3.4=5.4(536)9x-3x=72(537)x-3.5=3.9(538)93x+49x-0.3=127.5(539)x÷9=1.1(540)1x+0.5×39=24.5參考答案(1)x=48(2)x=188(3)x=3(4)x=86(5)x=46(6)x=97(7)x=16(8)x=0.3(9)x=0.2(10)x=12(11)x=2(12)x=1.1(13)x=32(14)x=3(15)x=5(16)x=26(17)x=10(18)x=2(19)x=0.3(20)x=17(21)x=1(22)x=12(23)x=27(24)x=10(25)x=7(26)x=5(27)x=2(28)x=2(29)x=31(30)x=7(31)x=0.6(32)x=30(33)x=53(34)x=5.5(35)x=11(36)x=5.3(37)x=14(38)x=6(39)x=2.3(40)x=1.5(41)x=7(42)x=2(43)x=0.3(44)x=5(45)x=12(46)x=1.3(47)x=3(48)x=68(49)x=4(50)x=2(51)x=2.1(52)x=0.6(53)x=2.8(54)x=0.2(55)x=2(56)x=3.9(57)x=21(58)x=0.5(59)x=40(60)x=6(61)x=4(62)x=80(63)x=7(64)x=4(65)x=10(66)x=0.6(67)x=53(68)x=4(69)x=18(70)x=0.4(71)x=87(72)x=0.4(73)x=15(74)x=21(75)x=1(76)x=8(77)x=15(78)x=0.3(79)x=5(80)x=5.6(81)x=3.8(82)x=1.9(83)x=75(84)x=6(85)x=13.5(86)x=50(87)x=9(88)x=83(89)x=4(90)x=2(91)x=4(92)x=7(93)x=46(94)x=0.8(95)x=13(96)x=84(97)x=20(98)x=36(99)x=0.3(100)x=11(101)x=17(102)x=3(103)x=10(104)x=85(105)x=23(106)x=59(107)x=24(108)x=1.8(109)x=35(110)x=31(111)x=1.2(112)x=48(113)x=9(114)x=11(115)x=0.3(116)x=1.2(117)x=18(118)x=3(119)x=4.3(120)x=11(121)x=1.2(122)x=4.1(123)x=2(124)x=4(125)x=0.8(126)x=2(127)x=23(128)x=3(129)x=18(130)x=8.5(131)x=2(132)x=85(133)x=9(134)x=5(135)x=0.4(136)x=34(137)x=5(138)x=7(139)x=4(140)x=0.7(141)x=8(142)x=1.3(143)x=21(144)x=9(145)x=23(146)x=14(147)x=8(148)x=4(149)x=4.3(150)x=147(151)x=90(152)x=4(153)x=11(154)x=21(155)x=7(156)x=12(157)x=53(158)x=32(159)x=11(160)x=2(161)x=14(162)x=23(163)x=66(164)x=6(165)x=92(166)x=11.5(167)x=2.1(168)x=14(169)x=172(170)x=12(171)x=4(172)x=4(173)x=0.7(174)x=0.8(175)x=41(176)x=18(177)x=57(178)x=5(179)x=2(180)x=4(181)x=21(182)x=19.5(183)x=1.9(184)x=3(185)x=87(186)x=5(187)x=5(188)x=2(189)x=0.6(190)x=0.9(191)x=7(192)x=2(193)x=4(194)x=5(195)x=8(196)x=1.6(197)x=3(198)x=11(199)x=12(200)x=20(201)x=0.9(202)x=8(203)x=6(204)x=8(205)x=0.4(206)x=5(207)x=11(208)x=0.2(209)x=6(210)x=9(211)x=59(212)x=7(213)x=10(214)x=6(215)x=0.9(216)x=6.9(217)x=19(218)x=36(219)x=32(220)x=9(221)x=2(222)x=2(223)x=46(224)x=9(225)x=2(226)x=15(227)x=2(228)x=8(229)x=0.4(230)x=0.9(231)x=0.8(232)x=6(233)x=7(234)x=13(235)x=5.2(236)x=0.3(237)x=28(238)x=61(239)x=3(240)x=3.5(241)x=1.5(242)x=12(243)x=3.6(244)x=2.8(245)x=5.3(246)x=3.7(247)x=45(248)x=14(249)x=1.6(250)x=0.2(251)x=16(252)x=11(253)x=81(254)x=14(255)x=5(256)x=5(257)x=9(258)x=0.4(259)x=4(260)x=21(261)x=3(262)x=3(263)x=3.1(264)x=132(265)x=10(266)x=4.1(267)x=6(268)x=16(269)x=3(270)x=2(271)x=0.6(272)x=53(273)x=23(274)x=12(275)x=16(276)x=5(277)x=7(278)x=5(279)x=2.5(280)x=1.5(281)x=8(282)x=12(283)x=61(284)x=2.2(285)x=9.2(286)x=16(287)x=20(288)x=6(289)x=5(290)x=23(291)x=5(292)x=3(293)x=2.8(294)x=2.2(295)x=11(296)x=0.2(297)x=41(298)x=20(299)x=4.3(300)x=66(301)x=3.6(302)x=7(303)x=0.2(304)x=3(305)x=29(306)x=1.5(307)x=14(308)x=68(309)x=37(310)x=3(311)x=16(312)x=2.4(313)x=36(314)x=90(315)x=12(316)x=27(317)x=6(318)x=6(319)x=17(320)x=12(321)x=32(322)x=12(323)x=2(324)x=1.1(325)x=42(326)x=0.8(327)x=2.1(328)x=50(329)x=7(330)x=2(331)x=0.3(332)x=0.4(333)x=9.7(334)x=1.7(335)x=1(336)x=81(337)x=10(338)x=16(339)x=21(340)x=32(341)x=9.3(342)x=6(343)x=4(344)x=45(345)x=24(346)x=12.6(347)x=6.2(348)x=24(349)x=3.8(350)x=42(351)x=9.5(352)x=4(353)x=0.6(354)x=2(355)x=18(356)x=2(357)x=0.2(358)x=3(359)x=8.7(360)x=0.5(361)x=3.3(362)x=33(363)x=83(364)x=22(365)x=11(366)x=16(367)x=5(368)x=4(369)x=5(370)x=6(371)x=0.2(372)x=2(373)x=2(374)x=13(375)x=9(376)x=3(377)x=42(378)x=29(379)x=3.1(380)x=44(381)x=2(382)x=7(383)x=44(384)x=2(385)x=2(386)x=3(387)x=8(388)x=13(389)x=0.7(390)x=17(391)x=4(392)x=9(393)x=15(394)x=7(395)x=7(396)