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

五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案匯編(1)13.7+0.8x=23.3(2)5x-3x-10=30(3)2(13x-11)=160(4)2x+7×1.6=13.2(5)55x÷11=10(6)59+x=100(7)22-x=10(8)5x-2.7=3.8(9)7.7-3x=3.8(10)192÷x=32(11)3x=8.7(12)9.9x+4.8=24.6(13)9.5-x=2.1(14)36x-14x-1.9=13.5(15)62x+43=167(16)x÷7=2(17)62x+78x-0.5=69.5(18)13x-2x-23=43(19)18x-12x+31=61(20)4x-2x=10(21)6x+3.7x=48.5(22)4.7x-1x-1.6=9.5(23)2(2.2x+3.7)=47(24)15x÷5=33(25)18x+11x+33=149(26)73x-1.7=12.9(27)17.4-2.2x=6.4(28)8x-4x-17=27(29)0.7x-3.6=8.3(30)x÷39=0.2(31)2.9x+3.7x-2.8=155.6(32)3.3x+2.9x-4.2=39.2(33)13x+9x-31=189(34)2x÷4=33(35)0.3x-2.2=9.2(36)2.4x=19.2(37)3x+8x-15=238(38)x-0.5=3.4(39)3x÷87=0.2(40)9+x=11.5(41)x-41=25(42)27x=135(43)25x=12.5(44)131-2x=97(45)18x-6×10=120(46)10.1+0.5x=28.6(47)1.7x+8.1x-1.4=57.4(48)3x+2×43=245(49)3x÷9=1.3(50)23x+7×21=262(51)2.3x-1.3×4=10.9(52)(2.4x-0.4)÷28=1.1(53)16x-2x+36=120(54)6.2+x=7.6(55)x÷55=0.3(56)84x-64x-0.5=13.5(57)34x-30x-4.3=4.9(58)2(0.8x+6.6)=42(59)57x+65x-0.2=73(60)x÷49=4(61)x-6.8=1.9(62)9.6-x=3.9(63)19.9-17x=1.2(64)x+85=183(65)17x+59=110(66)x÷9=0.3(67)10.2+10x=23.2(68)7(2x+5)=147(69)(1.3x+5.7)÷7=3.6(70)(6.1x-7.9)÷23=3.9(71)0.2x+3.5=18.5(72)8(0.8x+3.5)=40.8(73)7x-4.6=3.8(74)2x+3x-0.3=14.7(75)2x÷6=0.5(76)2.6+x=7.4(77)2.8x-0.8x+1.5=53.5(78)1.9x-1.8×7=4.5(79)29x+31=176(80)86x+46x+3.7=30.1(81)32x÷4=4(82)18x+3x=210(83)2.3+x=9.8(84)x-2=46(85)39x-2×4.1=7.4(86)2x=76(87)187-31x=63(88)x-2.5=4.3(89)6x÷4=3(90)9+x=82(91)6.3+x=9.2(92)3(x+8)=39(93)16-37x=8.6(94)7x+19x=234(95)8x-28=36(96)50+4x=250(97)17x-6x+10=131(98)6(x+22)=150(99)11(1.3x-5.6)=24.2(100)9x=72(101)7.6x-3.6x=40(102)18.7-0.5x=12.2(103)15x+4x=38(104)x+65=135(105)0.4x-2.4×5=2.8(106)22x+14×0.4=21(107)x÷3=2.4(108)9.6x÷12=1.6(109)2x-11×13=49(110)8.6x+1.6x-2.8=48.2(111)4x-5×13=27(112)16x-13x=36(113)x+4.8=13.3(114)1.2x-3.4=11(115)x-2.3=6.5(116)8x-3.4x=23(117)5x÷60=3(118)17x-10x+29=78(119)2.6÷x=0.2(120)(x+10)÷5=6(121)5.4x+2.4x+2.8=26.2(122)3x+5x=136(123)(6x+21)÷9=17(124)35-x=13(125)17x+3x=40(126)2.3x+1.5x+4.5=160.3(127)4x-10×0.6=13.6(128)x÷44=3(129)(7.2x+2.4)÷2=12(130)(3.4x+4.8)÷10=4.9(131)2x=2.2(132)4.4+2x=8(133)25x+4×1.2=9.8(134)15+4x=28.2(135)1.9x+0.2x+4.4=107.3(136)12x÷21=8(137)40x-44×0.2=3.2(138)17.8+0.2x=20.4(139)1.5x-0.5x-0.9=39.1(140)4.9+3.8x=20.1(141)(9x-18)÷30=3(142)59x+38x-1.3=86(143)1x+2.9=13.9(144)(8.9x+7)÷33=2.1(145)36x+26×0.6=22.8(146)1.3x+3.6x=53.9(147)x+5.3=8.4(148)19-0.3x=5.2(149)17+x=88(150)0.7x+2.7=8.3(151)6x-5.5=11.9(152)158-59x=40(153)23x+10×1.2=16.6(154)6x+5x-6=258(155)196-12x=160(156)75÷x=5(157)0.9x÷63=0.2(158)9x-5x=28(159)2.9+3x=9.2(160)18x-2x=144(161)(0.6x-2.4)÷4=1.2(162)9.1-x=8.3(163)(8x-14)÷11=14(164)4x÷12=0.2(165)3.1x-0.5×10=10.5(166)3.1x-1.3x+3.9=54.3(167)7.1+2.9x=24.5(168)18x-9x+24=87(169)5.8+6.2x=18.2(170)117-18x=45(171)19x+3×3.2=15.3(172)2(x+27)=110(173)7(5x-33)=119(174)11.2÷x=0.2(175)8(5.6x-6.5)=37.6(176)19.1+9.3x=37.7(177)13x-9x+1.1=29.1(178)5.5+5x=17(179)8.2+x=9.4(180)1.1x÷22=0.9(181)19x+18x+29=362(182)14x+4.7=18.7(183)1.6x=12.8(184)18x-13x=15(185)67-x=13(186)15.3+2.3x=33.7(187)4.5x-0.4x+0.5=90.7(188)4x+2×3.7=14.6(189)34x+52x+3=166.4(190)64x÷48=0.4(191)0.2x+7.1x=51.1(192)3.2x-2.9x-4.3=2.6(193)x÷22=6(194)37x+17x-2=52(195)x÷14=1.1(196)21x+20x+4=151.6(197)2x=14.6(198)120÷x=6(199)56+65x=251(200)(4.6x+6.8)÷28=3.2(201)4.8x+3.5x+0.6=33.8(202)7(x-9)=140(203)81x+88x-2.3=132.9(204)(9x+16)÷4=58(205)17x-7x+43=73(206)28-2x=22(207)33x-6x+4.3=17.8(208)16x-3x=130(209)61x-3x-1.9=85.1(210)x-64=34(211)4x-39=73(212)7.5x-3.6x-1.6=29.6(213)3.6+11x=20.1(214)2(5x+22)=194(215)x+5.3=11.7(216)4.4x-4.5=4.3(217)6(3.5x-9.2)=49.8(218)95-x=60(219)14.4-0.2x=13(220)2.2x=13.2(221)7(0.4x-7.6)=47.6(222)150÷x=10(223)x-33=25(224)83x-41x-1.5=23.7(225)3x=30(226)x+64=73(227)9.1x-6.5x=10.4(228)2x÷16=1.1(229)2(20x-43)=74(230)2.5x=5(231)2x+8x+1.5=67.5(232)8.9x-6.4x=27.5(233)3x-4.9=11.3(234)19.7-0.5x=9.2(235)x+2.2=7(236)8x-3x-47=53(237)2x-28=82(238)47x+4.2=13.6(239)58x-38x+1.2=15.2(240)9.4x-7.9x-2.1=3.9(241)9.4-4x=7.4(242)8x+12x+13=313(243)(8.3x-8)÷2=29.2(244)x-10=82(245)(2x+24)÷7=6(246)2.8x+4.5×3=33.1(247)9.8x+4.7x-3.6=97.9(248)3x+6x+8=80(249)18.6-1.3x=8.2(250)7.7x-4.6x+4=28.8(251)11x+15x-33=201(252)0.2x+0.6×21=18.4(253)x+75=145(254)156+8x=348(255)14x-9×12=74(256)27+x=67(257)7x=18.2(258)2(9.5x+4)=46(259)0.2x-2.2=17.8(260)78x-38x-4.3=39.7(261)8.8x=17.6(262)1.1x÷22=0.2(263)15x+11x+13=65(264)6x-3.7=1.7(265)75-x=48(266)7(x+21)=161(267)21x=6.3(268)18x-9x=63(269)10x-1.7=16.3(270)5.5x-2.8x=13.5(271)9÷x=0.9(272)9x-4x-17=38(273)39x+97x-2.7=78.9(274)0.5x-5.8=11.2(275)x+3=12.7(276)x÷7=1(277)(15x+42)÷44=3(278)5.3x+1.8x+1.5=22.8(279)2(15x-18)=144(280)5x+38=138(281)9x-27×0.2=1.8(282)74x-23x+2.2=12.4(283)1.3x-0.6x-4.9=39.9(284)14x-4×0.7=2.8(285)65x+96x+4.1=132.9(286)x+25=62(287)8.1x-5.8x+0.8=23.8(288)91x÷26=0.7(289)3.9x-5.2=2.6(290)3.8x=7.6(291)3.9x+1.2×11=32.7(292)2.7x+2=20.9(293)7x+10x-2=151(294)2x+16x=216(295)2x+12x-27=57(296)11.5-2x=7.9(297)130+9x=193(298)(7.1x-7.8)÷16=0.4(299)x+6.6=9.1(300)4.5x+4.9x=65.8(301)15x+7x=198(302)4.4x-1.6x+2.7=50.3(303)(8.5x-4.7)÷11=7.3(304)2(1.4x-6.6)=20.4(305)1.9x+0.8×16=29.9(306)x÷3=23(307)94-x=71(308)21x-11x-1.2=33.8(309)14x+17x-8=54(310)0.8x-3.4=3.8(311)18.1-0.2x=1.1(312)15.4+2x=18.6(313)9x-7x-16=28(314)x-4.7=1.5(315)0.6x-0.4×9=8.4(316)4(0.3x+4.1)=21.2(317)0.2x+2.9×5=22.3(318)0.8x+5.2=11.6(319)4.8x+8.1x-2.2=49.4(320)4x÷5=1.2(321)9x-7x=12(322)2x÷15=6(323)8.3x+5.5=22.1(324)150÷x=5(325)x+3.1=10.8(326)4x-27=81(327)2x+2×77=200(328)2.3x+0.4×43=28.7(329)6.7x-0.8x+3.6=74.4(330)30+x=107(331)3x-38=25(332)8+x=15.1(333)2.3x=6.9(334)(3.1x-9.8)÷27=0.9(335)14x-1.6=4(336)17-1.3x=7.9(337)17x-12×0.5=11(338)7.6x+2.5x-1.8=79(339)0.4x-0.2×27=14.2(340)1x-0.6x-2.3=12.9(341)x-45=40(342)19x-7x+4.8=61.2(343)2x-0.2×6=8.8(344)1.1x+1.7x+1.9=52.3(345)2x+4.8=15.2(346)3.8x-1.4x=28.8(347)80-x=27(348)7÷x=3.5(349)x-6.6=1.5(350)4x+1.2=14(351)4x+38=62(352)16x+11x-28=215(353)0.7x+1.4x=109.2(354)7x+2x+7=178(355)3.7-x=2.4(356)5x+12×0.7=15.9(357)3(3x+19)=84(358)19x-13x-19=23(359)0.8x+6x-1.4=12.2(360)13+x=75(361)2x-56=78(362)(1.5x+6.1)÷2=5.3(363)2(4x+23)=102(364)4.2x÷14=0.9(365)14x+8x=286(366)4x-0.8x=35.2(367)0.9x-0.7×16=3.2(368)135-26x=57(369)11x+33x+2=90(370)71+x=73(371)2x-17=95(372)1.2+x=4.6(373)0.3x+3.3x=50.4(374)16.9-16x=4.1(375)0.2x÷7=1.2(376)96-x=70(377)2(4.7x+4.7)=47(378)(6x-3.3)÷3=4.9(379)18.9-32x=9.3(380)x+91=97(381)(3x+36)÷45=1(382)6x-4x-7=35(383)7.6x-4.2x+2.2=46.4(384)1.9x+3.4=11(385)4(4.6x-5.7)=32.4(386)x÷50=0.2(387)(x+15)÷2=13(388)3x+43×2=155(389)x+2=63(390)0.4x-2.3×2=3.4(391)3.1+x=3.3(392)5x=75(393)2.9x-0.7x-4.9=14.9(394)5x-3×7=34(395)15x-7x+1.4=52.6(396)2(6.3x-7.7)=47.6(397)x-0.7=1.9(398)0.5x+0.4×39=28.6(399)14x-7x+8=78(400)19.8-3x=8.7(401)38x-35x+2=9.2(402)152÷x=38(403)2(3x+18)=144(404)(8x-32)÷2=56(405)8(0.6x-3.4)=30.4(406)14x-3x+39=182(407)5x+3×63=339(408)2.8x+5.3x+3.8=20(409)1.2x+0.8x+1.4=135.4(410)11x÷22=5(411)19÷x=0.2(412)81x÷6=27(413)8x÷10=1.6(414)61x+1.1=13.3(415)82x+47x+1.4=117.5(416)3.8x+0.5×31=34.5(417)0.8x+2.3=9.5(418)70÷x=14(419)28x+10x-4=117.6(420)6.9x-3.2x-0.6=51.2(421)x+7=15.2(422)x-16=58(423)10+8x=14(424)6.5-x=2.8(425)14.2÷x=0.2(426)14.8+3x=21.4(427)7x-44×3=36(428)116÷x=4(429)8x+19x+36=198(430)2.9-x=1.2(431)1.1x+0.6×23=20.4(432)2x+15x=221(433)27x-25×0.2=13.9(434)17x-8x=90(435)(11x-22)÷16=11(436)14÷x=0.2(437)3x+8x-36=107(438)x+24=105(439)7.7x-5.3x+2.7=19.5(440)29x+1.2=9.9(441)159+9x=276(442)14x-10x+34=58(443)(13x+11)÷19=4(444)0.2x-5.2=14.2(445)46x-8x+0.6=61.4(446)7.4x-1.4x=24(447)2(5x-24)=92(448)5.1-x=4(449)24x-33×0.4=6(450)3(x+12)=51(451)2x+6x+6=86(452)13x=182(453)2x=5.4(454)26x=52(455)1.4x+7.6x=81(456)x÷26=2(457)33+x=114(458)2(5.1x+3.6)=27.6(459)4.8÷x=1.2(460)4x+4.2=11.4(461)62x+23x-1.5=83.5(462)(8.1x+9)÷37=0.9(463)6(0.2x-5.1)=9(464)78-x=15(465)(2.7x+7.5)÷17=3.3(466)3.7x+1x=103.4(467)7(0.8x+1.3)=31.5(468)x÷18=7(469)65+x=85(470)x÷35=0.2(471)x÷95=2(472)x-1.5=3.6(473)65x=13(474)0.3x=17.1(475)20x-3×11=47(476)9x-24=93(477)7.4x-2.7x=56.4(478)8x-26=38(479)(9x-30)÷7=24(480)85x-53x+4.9=11.3(481)x-4=42(482)37x-5.7=5.4(483)68+3x=77(484)x+68=75(485)(12x-14)÷10=1(486)12x+39=219(487)20x+76×2=212(488)18x-3x-49=11(489)(10x+10)÷5=58(490)15.2÷x=0.2(491)x-46=21(492)7x+2=15.3(493)2x+26x+2.3=38.7(494)23x+48=94(495)5x+12×1.5=31(496)4x-8×0.3=4.4(497)18.6-38x=7.2(498)11x-7x-0.6=27.4(499)(10x-30)÷10=2(500)2.5x+2.3x+0.2=153.8(501)0.5x÷25=0.6(502)4x+9x+15=236(503)7(x-36)=77(504)3x÷9=1(505)3x+4×38=221(506)x+2.1=6(507)158+21x=221(508)69x+68x-1.4=108.2(509)101-8x=29(510)4.3-x=3.9(511)x÷29=5(512)8.7-x=1.8(513)11x=88(514)7.2-0.3x=3.3(515)87x-71x-1.3=14.7(516)18x=9(517)11x+17×10=203(518)(3x-21)÷2=9(519)x÷8=1.8(520)135-12x=27(521)3x+39=108(522)129+3x=258(523)(5.8x-6.4)÷14=4.1(524)4x+40=232(525)17x+1.5=8.3(526)189+33x=255(527)(8x+1.4)÷2=32.7(528)4x=16(529)(9x-30)÷3=65(530)2(8x-43)=42(531)9x-34×2=85(532)x-0.5=8(533)3x+62x+1.6=86.1(534)7x-10×9=43(535)8x=184(536)105÷x=35(537)6x+18×10=234(538)6+2.2x=12.6(539)2x+2.2x=155.4(540)6(x-37)=60參考答案(1)x=12(2)x=20(3)x=7(4)x=1(5)x=2(6)x=41(7)x=12(8)x=1.3(9)x=1.3(10)x=6(11)x=2.9(12)x=2(13)x=7.4(14)x=0.7(15)x=2(16)x=14(17)x=0.5(18)x=6(19)x=5(20)x=5(21)x=5(22)x=3(23)x=9(24)x=11(25)x=4(26)x=0.2(27)x=5(28)x=11(29)x=17(30)x=7.8(31)x=24(32)x=7(33)x=10(34)x=66(35)x=38(36)x=8(37)x=23(38)x=3.9(39)x=5.8(40)x=2.5(41)x=66(42)x=5(43)x=0.5(44)x=17(45)x=10(46)x=37(47)x=6(48)x=53(49)x=3.9(50)x=5(51)x=7(52)x=13(53)x=6(54)x=1.4(55)x=16.5(56)x=0.7(57)x=2.3(58)x=18(59)x=0.6(60)x=196(61)x=8.7(62)x=5.7(63)x=1.1(64)x=98(65)x=3(66)x=2.7(67)x=1.3(68)x=8(69)x=15(70)x=16(71)x=75(72)x=2(73)x=1.2(74)x=3(75)x=1.5(76)x=4.8(77)x=26(78)x=9(79)x=5(80)x=0.2(81)x=0.5(82)x=10(83)x=7.5(84)x=48(85)x=0.4(86)x=38(87)x=4(88)x=6.8(89)x=2(90)x=73(91)x=2.9(92)x=5(93)x=0.2(94)x=9(95)x=8(96)x=50(97)x=11(98)x=3(99)x=6(100)x=8(101)x=10(102)x=13(103)x=2(104)x=70(105)x=37(106)x=0.7(107)x=7.2(108)x=2(109)x=96(110)x=5(111)x=23(112)x=12(113)x=8.5(114)x=12(115)x=8.8(116)x=5(117)x=36(118)x=7(119)x=13(120)x=20(121)x=3(122)x=17(123)x=22(124)x=22(125)x=2(126)x=41(127)x=4.9(128)x=132(129)x=3(130)x=13(131)x=1.1(132)x=1.8(133)x=0.2(134)x=3.3(135)x=49(136)x=14(137)x=0.3(138)x=13(139)x=40(140)x=4(141)x=12(142)x=0.9(143)x=11(144)x=7(145)x=0.2(146)x=11(147)x=3.1(148)x=46(149)x=71(150)x=8(151)x=2.9(152)x=2(153)x=0.2(154)x=24(155)x=3(156)x=15(157)x=14(158)x=7(159)x=2.1(160)x=9(161)x=12(162)x=0.8(163)x=21(164)x=0.6(165)x=5(166)x=28(167)x=6(168)x=7(169)x=2(170)x=4(171)x=0.3(172)x=28(173)x=10(174)x=56(175)x=2(176)x=2(177)x=7(178)x=2.3(179)x=1.2(180)x=18(181)x=9(182)x=1(183)x=8(184)x=3(185)x=54(186)x=8(187)x=22(188)x=1.8(189)x=1.9(190)x=0.3(191)x=7(192)x=23(193)x=132(194)x=1(195)x=15.4(196)x=3.6(197)x=7.3(198)x=20(199)x=3(200)x=18(201)x=4(202)x=29(203)x=0.8(204)x=24(205)x=3(206)x=3(207)x=0.5(208)x=10(209)x=1.5(210)x=98(211)x=28(212)x=8(213)x=1.5(214)x=15(215)x=6.4(216)x=2(217)x=5(218)x=35(219)x=7(220)x=6(221)x=36(222)x=15(223)x=58(224)x=0.6(225)x=10(226)x=9(227)x=4(228)x=8.8(229)x=4(230)x=2(231)x=6.6(232)x=11(233)x=5.4(234)x=21(235)x=4.8(236)x=20(237)x=55(238)x=0.2(239)x=0.7(240)x=4(241)x=0.5(242)x=15(243)x=8(244)x=92(245)x=9(246)x=7(247)x=7(248)x=8(249)x=8(250)x=8(251)x=9(252)x=29(253)x=70(254)x=24(255)x=13(256)x=40(257)x=2.6(258)x=2(259)x=100(260)x=1.1(261)x=2(262)x=4(263)x=2(264)x=0.9(265)x=27(266)x=2(267)x=0.3(268)x=7(269)x=1.8(270)x=5(271)x=10(272)x=11(273)x=0.6(274)x=34(275)x=9.7(276)x=7(277)x=6(278)x=3(279)x=6(280)x=20(281)x=0.8(282)x=0.2(283)x=64(284)x=0.4(285)x=0.8(286)x=37(287)x=10(288)x=0.2(289)x=2(290)x=2(291)x=5(292)x=7(293)x=9(294)x=12(295)x=6(296)x=1.8(297)x=7(298)x=2(299)x=2.5(300)x=7(301)x=9(302)x=17(303)x=10(304)x=12(305)x=9(306)x=69(307)x=23(308)x=3.5(309)x=2(310)x=9(311)x=85(312)x=1.6(313)x=22(314)x=6.2(315)x=20(316)x=4(317)x=39(318)x=8(319)x=4(320)x=1.5(321)x=6(322)x=45(323)x=2(324)x=30(325)x=7.7(326)x=27(327)x=23(328)x=5(329)x=12(330)x=77(331)x=21(332)x=7.1(333)x=3(334)x=11(335)x=0.4(336)x=7(337)x=1(338)x=8(339)x=49(340)x=38(341)x=85(342)x=4.7(343)x=5(344)x=18(345)x=5.2(346)x=12(347)x=53(348)x=2(349)x=8.1(350)x=3.2(351)x=6(352)x=9(353)x=52(354)x=19(355)x=1.3(356)x=1.5(357)x=3(358)x=7(359)x=2(360)x=62(361)x=67(362)x=3(363)x=7(364)x=3(365)x=13(366)x=11(367)x=16(368)x=3(369)x=2(370)x=2(371)x=56(372)x=3.4(373)x=14(374)x=0.8(375)x=42(376)x=26(377)x=4(378)x=3(379)x=0.3(380)x=6(381)x=3(382)x=21(383)x=13(384)x=4(385)x=3(386)x=10(387)x=11(388)x=23(389)x=61(390)x=20(391)x=0.2(392)x=15(393)x=9(394)x=1