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)11x-5×0.8=4.8(2)3x-9×11=99(3)0.2x+6.2x+3=99(4)(4.8x+2.1)÷21=1.7(5)10x+17x+13=148(6)31x=124(7)54x+73x+1.9=154.3(8)2x+17x-20=75(9)40+3x=223(10)(2.1x-4)÷4=3.2(11)81+6x=213(12)5(0.2x+5.9)=31.5(13)(17x-29)÷3=64(14)4+x=71(15)(12x+24)÷20=3(16)1.2x-2.6×6=2.4(17)8(21x-17)=200(18)19.3-1.5x=14.8(19)6.4x-0.4x-2.6=27.4(20)8.4÷x=0.3(21)19+1.3x=21.6(22)3x+17×7=200(23)2x+6×1.3=8.6(24)5.6x+2.4x+1.2=121.2(25)3x=138(26)7x+6×2.7=30.9(27)9x+36x+3.3=25.8(28)84x+59x-1.9=112.5(29)2x-34×3=46(30)5.1x+2.1x-3.8=111.4(31)1.8x-1.1=18.7(32)1.9x-4.7=6.7(33)13.9-9x=2.2(34)8(0.6x-2.7)=31.2(35)12.9÷x=0.3(36)9.6-x=4.7(37)144÷x=4(38)1.3x+6x=102.2(39)3x+4x=161(40)3.9x-0.5×10=10.6(41)1.2x÷96=0.2(42)x+81=146(43)12.7+31x=25.1(44)80+x=98(45)17x+4x-16=152(46)190÷x=19(47)146-24x=26(48)120÷x=6(49)25x÷5=40(50)4(0.2x+9.8)=40.8(51)4.1+2x=4.5(52)104÷x=4(53)1.9x+3.3x-4.8=109.6(54)x-6.1=2.3(55)x+48=104(56)14x+36×0.5=27.8(57)x÷2=46(58)21x+31x-3.1=22.9(59)8.8x+9.4x=109.2(60)14x÷42=2(61)2x-3×16=118(62)15x-13x=18(63)140÷x=14(64)4x=12.8(65)64x-3.4=15.8(66)1x+0.8x=126(67)16+2x=36(68)6x+13x+35=130(69)8x÷4=2.2(70)x-66=32(71)1.6+x=9.2(72)10x+9x=76(73)17.9-4.2x=9.5(74)(16x-6)÷2=117(75)12x-9x+11=50(76)1.2x+3.9=14.7(77)9.5x-4.6x-2.9=16.7(78)5.5x-3.4x=10.5(79)4.1x=12.3(80)2x+2.4=5.4(81)26x=18.2(82)2x÷4=4.3(83)7.5x+3x+4.5=130.5(84)x÷87=0.2(85)2.2-x=1.4(86)2x=100(87)5x-2x+28=49(88)(13x+45)÷2=81(89)x+9.8=19.2(90)x÷17=0.5(91)6.8+x=12.2(92)10x-6x+25=73(93)16x-11x=25(94)18x÷6=24(95)30x-19x+4.5=30.9(96)11x+17=105(97)19.2÷x=0.3(98)5(2.2x+2.2)=33(99)2x÷4=4.4(100)8x-3x-28=42(101)90÷x=45(102)3x+5x+10=162(103)73-x=35(104)3x-10=104(105)0.7x+4.2=18.2(106)x+15=62(107)14x-2x+7=91(108)3.5x+3.7x=64.8(109)7x+15x-11=165(110)60x+63x+4.7=127.7(111)23x-9×0.6=8.4(112)9.6+x=15.9(113)0.3x+5.2=7(114)3.4-2x=2.2(115)19x-16x-2=10(116)17x=13.6(117)11x+5x+3.9=58.3(118)5x-2x=21(119)18-0.3x=12.3(120)18x-13x-10=45(121)77-x=30(122)(5.2x-8.2)÷2=8.9(123)85+x=107(124)17x+4x+41=167(125)2x+39=83(126)9(2x-49)=117(127)(3x-9)÷4=6(128)8(x-7.5)=20(129)4.8x+7.6x-2.7=84.1(130)6x-37×2=70(131)4.3x-0.3×24=10(132)x÷3=1.4(133)18.6-6x=3(134)2.1x+9.3x-3.8=76(135)x-4.9=3.9(136)3x-12×6=123(137)6(x+21)=156(138)17x=102(139)3x+17x-45=55(140)0.6x+2.5=13.3(141)64x+74x+2.9=113.3(142)0.4x+0.3×37=30.3(143)22x-12×9=46(144)x÷8=1.7(145)27x+41=203(146)0.8x-0.5×13=9.5(147)(0.8x-1.6)÷4=1.2(148)15.3+12x=32.1(149)97-x=44(150)0.4x+4.3×2=21(151)4.3+38x=15.7(152)x-37=40(153)(14x+36)÷2=109(154)5x-45×0.2=9(155)49x÷14=1.4(156)5x+5.6=21.1(157)x-8.1=1(158)13x÷52=2(159)78-x=30(160)12.9-4.3x=4.3(161)1.2x-1x-2.2=13(162)19x-57=19(163)4x-2x+31=79(164)x-4.5=3.7(165)x÷39=4(166)2(6x-47)=74(167)10x-2×4.5=6(168)61+10x=141(169)11.5-1.3x=6.3(170)2x=16(171)(3.1x+9.1)÷6=4.1(172)7x-4x-15=21(173)8.5x-0.3x+4.3=61.7(174)2.5x+1.2x=140.6(175)17x+11x=56(176)89x-15x+0.5=74.5(177)5x+21=196(178)(8x+2)÷2=29(179)(13x+11)÷30=6(180)88-x=82(181)3x÷10=1.2(182)38x-18x+3.6=37.6(183)x+7.6=13.1(184)0.2x=14.8(185)6.9x+9.3x=32.4(186)3.1x-1.6=10.8(187)5.9x+2.3x+3.2=85.2(188)18.3+38x=37.3(189)36x-3.3=14.7(190)4(3x-42)=168(191)8x=9.6(192)x+1.7=10.9(193)(2.6x-9.4)÷2=16.1(194)0.2x-2.1×3=2.7(195)9.6+x=9.8(196)16.2+3x=23.4(197)5x+2.8=12.3(198)0.8x-1.4×4=1.6(199)19.5-84x=2.7(200)8x-4x=48(201)64x+52=180(202)39x-33=123(203)9x+58×2=143(204)9.8x-3.5x+3.7=47.8(205)2.1x÷84=0.2(206)16.8-0.4x=4.8(207)16x-2x-48=36(208)42x-24x-2.8=17(209)(15x-30)÷9=25(210)7.2x-2.3x=34.3(211)(13x-15)÷7=35(212)5.7x-0.6x+1.8=73.2(213)x-84=10(214)60+x=129(215)181-32x=85(216)24x-17x+3.4=22.3(217)9.9-x=4.5(218)(3.5x-5.2)÷6=7.3(219)98-x=22(220)79x+31=189(221)(8x+24)÷12=16(222)2x-5×8=146(223)2(2x+12)=136(224)63x+25x+4.1=100.9(225)17x-2x-3=87(226)6.3-x=4(227)x-57=21(228)3x-0.9x-4.1=40(229)x÷18=0.6(230)77-x=27(231)7x÷6=1.4(232)(9x-6)÷41=6(233)(3x-5)÷8=2(234)6.5x+1.6x=32.4(235)x-5=87(236)x+58=63(237)0.7x-2.9=10.4(238)42x+37x+0.8=79.8(239)0.6x+4.1×3=31.5(240)9.4-x=6.3(241)40x-33=47(242)6.9x-1.6x-4.7=48.3(243)0.6x-0.8×7=14.2(244)2.4x-0.3x+2.6=57.2(245)5-x=4.3(246)x-3.6=1.6(247)10x+11×17=337(248)12x-4x=40(249)9x+13x-36=140(250)7x+36×0.5=32.7(251)4.8x=14.4(252)22x-32×0.3=8(253)(4x+11)÷3=37(254)0.2x-5.5=4.1(255)9x+7×9=216(256)3.2x-0.9x=27.6(257)11x+1.8=10.6(258)9x÷60=0.3(259)13x+14x+9=333(260)9x-7.6x-3=1.2(261)0.6x-0.3×10=2.4(262)x+3.3=9.8(263)x÷3=47(264)135-3x=78(265)2x=10.2(266)6(0.3x-0.8)=22.2(267)198-33x=99(268)196+5x=351(269)2(x+22)=52(270)(3.8x-1.2)÷2=35.5(271)1.4x-4.9=9.1(272)4x-7×10=94(273)(4.6x-4)÷16=3.2(274)x+33=45(275)x+18=69(276)5.6x+7.8x-3.3=117.3(277)9+7.3x=23.6(278)(10x-48)÷6=2(279)8.5x-5.6x=17.4(280)55x-41x-0.2=13.8(281)13x-3x+42=102(282)5.4x+3.1=19.3(283)10.4÷x=0.8(284)90+x=130(285)8x+15x=69(286)3x=24(287)0.2x=16.2(288)x÷15=0.3(289)(5.7x+0.9)÷2=48.9(290)40x-27x-1.5=29.7(291)16.5-5x=7.5(292)8.7x+6.9x=156(293)(5x+6.6)÷34=2.4(294)61+24x=205(295)1.7x÷34=0.5(296)2x+47×0.2=14.4(297)66x+93x-0.5=79(298)12x÷3=20(299)9x-1.4x+4.4=80.4(300)2x+4.1=9.1(301)5x+12x+2=12.2(302)10.2÷x=1.7(303)4(5.5x-7.8)=12.8(304)6.8+x=9.3(305)16x-11x-4.8=2.7(306)5.7x-3.9x+1.8=18(307)37x-36=112(308)2x=98(309)2x+13×0.3=8.1(310)6(6.9x-8.5)=31.8(311)7x-4x+37=94(312)(6.5x+1.8)÷32=2.9(313)3(x+5.3)=36.9(314)2(1.7x+2.7)=12.2(315)10.4-0.2x=2.2(316)4x+33×2=74(317)12(x+7)=144(318)0.6x÷4=3.3(319)11x+16x+6=222(320)189-6x=39(321)46x-29x-1.3=34.4(322)7x+6x-9=147(323)5(0.3x-6.3)=34.5(324)2.4x+1.2×10=26.4(325)11x=55(326)2x-0.9x-1.1=29.7(327)39x+42×0.3=28.2(328)8.8x+7x-4.2=106.4(329)x÷13=8(330)0.7+x=7.6(331)2.6x+2.4=18(332)160-37x=49(333)9.6x-8.3x=7.8(334)6x-5x=14(335)2(0.7x+5.1)=13(336)6x+3x+4=22(337)3.9x-0.2×46=6.4(338)2x-43=97(339)4.6x+2.1x-2.2=105(340)x-1.4=2.9(341)32x-2.1=10.7(342)1.2x+2.4=8.4(343)19.6+4.9x=39.2(344)14.5-1.4x=3.3(345)9(9x-42)=189(346)x÷8=15(347)10x÷24=0.5(348)17.3+0.3x=36.2(349)x+5=11.1(350)10x+11x=105(351)6+x=10.2(352)60x+98x-1.2=93.6(353)0.3x-2.5=10.1(354)(8x-15)÷17=1(355)22x+5.4=25.2(356)7.1x-2.4x+4.3=37.2(357)16x-36×4=32(358)37x+3.6=14.7(359)x+7.1=13.3(360)4x+81×2=342(361)9x-5x-40=24(362)9(x-16)=189(363)0.6x=16.2(364)4x-0.5x=59.5(365)3(4x-13)=141(366)25x=100(367)10x+11×5=165(368)x+9.9=15.6(369)12x+11×12=300(370)0.5x+1.7×3=8.1(371)0.4x+6.4x+3.4=91.8(372)2x+3x=175(373)2.4x-1x=22.4(374)16.9-0.3x=14.8(375)16x+15x+29=246(376)4x÷78=2(377)9x+17x=260(378)8.2+x=10.1(379)5x+35x-4.4=7.6(380)4x-2.8=2(381)1.5x÷3=4.5(382)2.1x+3x-2.8=68.6(383)15x-4x=22(384)2.7x-0.9x+3=24.6(385)70x-16x+4.1=14.9(386)10.5+6x=13.5(387)12x-7x-44=31(388)x÷62=0.3(389)83+x=130(390)13.9-44x=5.1(391)4.3x+5.3x-1.6=36.8(392)26x=13(393)2x-4.7=11.1(394)x-0.9=6.7(395)3x=0.6(396)3(2x+9)=159(397)x-11=77(398)75x-65x+2.1=4.1(399)8.8-x=7.3(400)x+49=80(401)78x-42=114(402)6x-3.5=16.3(403)1.3x+1.9x+3.1=143.9(404)81+x=97(405)2x=154(406)5x+11x-18=254(407)0.5x-0.2x-1.2=27.3(408)66-7x=45(409)x-2.6=3.4(410)(4.9x+7.5)÷37=0.6(411)4.7+x=11.4(412)12x-7x+46=111(413)11.9+0.2x=21.9(414)19.3-17x=5.7(415)5.9-x=2.6(416)5x÷25=8(417)16+5.7x=27.4(418)5x÷4=10(419)3x+2x=230(420)2(10x+3)=86(421)75+x=154(422)11.2+0.4x=28.4(423)14x+4x-3.1=11.3(424)6x-15×0.9=5.7(425)11x-4x-34=22(426)4.5÷x=0.5(427)x+24=41(428)x+4.3=12.5(429)7x+8x-39=306(430)(2.9x-7.2)÷8=2(431)14x-3x+13=134(432)38x-2.2=16.8(433)0.4x÷6=0.8(434)0.2x÷36=0.4(435)4(x+3)=100(436)40x-6×1.4=7.6(437)5x-47=88(438)4(1.3x+0.3)=48(439)3x-3.2=8.5(440)91x+88x+1.8=109.2(441)x-33=44(442)57x=11.4(443)1.4+3x=13.4(444)19x+23×2=236(445)46x+14x-4.2=121.8(446)1.4x÷2=4.2(447)19.5+6.4x=38.7(448)3.4x+4.9=21.9(449)1x+0.3×6=6.8(450)x-23=61(451)51+4x=67(452)0.6x+2.3×4=22.4(453)(4x+1.2)÷6=4.2(454)x+35=123(455)10x-7x+3.6=12.3(456)0.3x=12.6(457)x÷45=2(458)x÷25=5(459)x÷7=0.2(460)149-8x=69(461)5.9x=17.7(462)199-6x=187(463)15.6÷x=1.3(464)49x-4×0.9=6.2(465)48x+35x-2=89.3(466)5x-10×0.3=10.5(467)3(4x+18)=174(468)0.4x=1.6(469)5x÷6=1.5(470)11x-9x=32(471)x-15=33(472)8x+2x=200(473)2(2x+47)=194(474)32x=9.6(475)x÷20=2(476)3x+34=61(477)2.6x+1.4=17(478)5.7x+1.4x=35.5(479)9x÷7=18(480)158+4x=210(481)35x+22×0.7=25.9(482)97x-28x-2.8=17.9(483)3x+22=160(484)x÷4=20(485)88-x=73(486)9.4-2x=5.8(487)12÷x=2(488)14x-3x=143(489)0.6x+0.6×4=11.4(490)90-x=59(491)8x+19x-48=60(492)1.7x+6.2x+1.9=96.7(493)2÷x=0.2(494)(2.7x-9.3)÷16=0.6(495)4(0.9x-1.2)=16.8(496)x-2.8=3.4(497)5.6÷x=0.8(498)13x+16=94(499)4(0.4x+0.6)=42.4(500)20x+18×0.4=21.2(501)6x+8.1x+3.3=144.3(502)73x+1=15.6(503)11x÷22=0.5(504)36÷x=6(505)x+8.3=13.5(506)1x+0.5x+4.6=147.1(507)37x-26x-0.4=17.2(508)6.9-x=1.8(509)4(0.2x-3.4)=23.2(510)74x-17x+0.3=28.8(511)150+37x=298(512)52x-3x-2.4=56.4(513)2(13x-13)=52(514)7.9x-2.1x-2.2=21(515)2x+15x+3=71(516)8x-38=146(517)0.3x-1.7=11.5(518)3.9x+0.7×27=38.4(519)47+3x=56(520)19x-1=8.5(521)2(1.6x+8.6)=49.2(522)23x-20x-2.9=4.6(523)7.5x-3.4x=16.4(524)55+x=97(525)12.4-37x=1.3(526)19x-16x=15(527)7.9+3x=17.5(528)52÷x=13(529)(4x+24)÷3=20(530)0.2x-2.8=5.6(531)23x-5x+1.9=41.5(532)2x+5.6=23.8(533)5(14x-32)=50(534)4(1.7x-6.5)=48.8(535)x÷20=0.9(536)(5.1x+6.9)÷33=1.6(537)(4.7x+8.7)÷13=3.2(538)54x+57x-0.6=165.9(539)3.1x-1.6x+3.8=35.3(540)(15x+32)÷16=17參考答案(1)x=0.8(2)x=66(3)x=15(4)x=7(5)x=5(6)x=4(7)x=1.2(8)x=5(9)x=61(10)x=8(11)x=22(12)x=2(13)x=13(14)x=67(15)x=3(16)x=15(17)x=2(18)x=3(19)x=5(20)x=28(21)x=2(22)x=27(23)x=0.4(24)x=15(25)x=46(26)x=2.1(27)x=0.5(28)x=0.8(29)x=74(30)x=16(31)x=11(32)x=6(33)x=1.3(34)x=11(35)x=43(36)x=4.9(37)x=36(38)x=14(39)x=23(40)x=4(41)x=16(42)x=65(43)x=0.4(44)x=18(45)x=8(46)x=10(47)x=5(48)x=20(49)x=8(50)x=2(51)x=0.2(52)x=26(53)x=22(54)x=8.4(55)x=56(56)x=0.7(57)x=92(58)x=0.5(59)x=6(60)x=6(61)x=83(62)x=9(63)x=10(64)x=3.2(65)x=0.3(66)x=70(67)x=10(68)x=5(69)x=1.1(70)x=98(71)x=7.6(72)x=4(73)x=2(74)x=15(75)x=13(76)x=9(77)x=4(78)x=5(79)x=3(80)x=1.5(81)x=0.7(82)x=8.6(83)x=12(84)x=17.4(85)x=0.8(86)x=50(87)x=7(88)x=9(89)x=9.4(90)x=8.5(91)x=5.4(92)x=12(93)x=5(94)x=8(95)x=2.4(96)x=8(97)x=64(98)x=2(99)x=8.8(100)x=14(101)x=2(102)x=19(103)x=38(104)x=38(105)x=20(106)x=47(107)x=7(108)x=9(109)x=8(110)x=1(111)x=0.6(112)x=6.3(113)x=6(114)x=0.6(115)x=4(116)x=0.8(117)x=3.4(118)x=7(119)x=19(120)x=11(121)x=47(122)x=5(123)x=22(124)x=6(125)x=22(126)x=31(127)x=11(128)x=10(129)x=7(130)x=24(131)x=4(132)x=4.2(133)x=2.6(134)x=7(135)x=8.8(136)x=65(137)x=5(138)x=6(139)x=5(140)x=18(141)x=0.8(142)x=48(143)x=7(144)x=13.6(145)x=6(146)x=20(147)x=8(148)x=1.4(149)x=53(150)x=31(151)x=0.3(152)x=77(153)x=13(154)x=3.6(155)x=0.4(156)x=3.1(157)x=9.1(158)x=8(159)x=48(160)x=2(161)x=76(162)x=4(163)x=24(164)x=8.2(165)x=156(166)x=14(167)x=1.5(168)x=8(169)x=4(170)x=8(171)x=5(172)x=12(173)x=7(174)x=38(175)x=2(176)x=1(177)x=35(178)x=7(179)x=13(180)x=6(181)x=4(182)x=1.7(183)x=5.5(184)x=74(185)x=2(186)x=4(187)x=10(188)x=0.5(189)x=0.5(190)x=28(191)x=1.2(192)x=9.2(193)x=16(194)x=45(195)x=0.2(196)x=2.4(197)x=1.9(198)x=9(199)x=0.2(200)x=12(201)x=2(202)x=4(203)x=3(204)x=7(205)x=8(206)x=30(207)x=6(208)x=1.1(209)x=17(210)x=7(211)x=20(212)x=14(213)x=94(214)x=69(215)x=3(216)x=2.7(217)x=5.4(218)x=14(219)x=76(220)x=2(221)x=21(222)x=93(223)x=28(224)x=1.1(225)x=6(226)x=2.3(227)x=78(228)x=21(229)x=10.8(230)x=50(231)x=1.2(232)x=28(233)x=7(234)x=4(235)x=92(236)x=5(237)x=19(238)x=1(239)x=32(240)x=3.1(241)x=2(242)x=10(243)x=33(244)x=26(245)x=0.7(246)x=5.2(247)x=15(248)x=5(249)x=8(250)x=2.1(251)x=3(252)x=0.8(253)x=25(254)x=48(255)x=17(256)x=12(257)x=0.8(258)x=2(259)x=12(260)x=3(261)x=9(262)x=6.5(263)x=141(264)x=19(265)x=5.1(266)x=15(267)x=3(268)x=31(269)x=4(270)x=19(271)x=10(272)x=41(273)x=12(274)x=12(275)x=51(276)x=9(277)x=2(278)x=6(279)x=6(280)x=1(281)x=6(282)x=3(283)x=13(284)x=40(285)x=3(286)x=8(287)x=81(288)x=4.5(289)x=17(290)x=2.4(291)x=1.8(292)x=10(293)x=15(294)x=6(295)x=10(296)x=2.5(297)x=0.5(298)x=5(299)x=10(300)x=2.5(301)x=0.6(302)x=6(303)x=2(304)x=2.5(305)x=1.5(306)x=9(307)x=4(308)x=49(309)x=2.1(310)x=2(311)x=19(312)x=14(313)x=7(314)x=2(315)x=41(316)x=2(317)x=5(318)x=22(319)x=8(320)x=25(321)x=2.1(322)x=12(323)x=44(324)x=6(325)x=5(326)x=28(327)x=0.4(328)x=7(329)x=104(330)x=6.9(331)x=6(332)x=3(333)x=6(334)x=14(335)x=2(336)x=2(337)x=4(338)x=70(339)x=16(340)x=4.3(341)x=0.4(342)x=5(343)x=4(344)x=8(345)x=7(346)x=120(347)x=1.2(348)x=63(349)x=6.1(350)x=5(351)x=4.2(352)x=0.6(353)x=42(354)x=4(355)x=0.9(356)x=7(357)x=11(358)x=0.3(359)x=6.2(360)x=45(361)x=16(362)x=37(363)x=27(364)x=17(365)x=15(366)x=4(367)x=11(368)x=5.7(369)x=14(370)x=6(371)x=13(372)x=35(373)x=16(374)x=7(375)x=7(376)x=39(377)x=10(378)x=1.9(379)x=0.3(380)x=1.2(381)x=9(382)x=14(383)x=2(384)x=12(385)x=0.2(386)x=0.5(387)x=15(388)x=18.6(389)x=47(390)x=0.2(391)x=4(392)x=0.5(393)x=7.9(394)x