五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案匯編

五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案匯編(1)0.2x-4.4=13.6(2)60-x=48(3)3.9x-2.8x=6.6(4)x-22=49(5)1x-0.2×14=15.2(6)x-4=27(7)54x+33=141(8)15x-3x-20=64(9)x-50=30(10)11x+7×10=169(11)42x-17x-2.2=55.3(12)9.6-x=5(13)20+x=112(14)6x-45=51(15)11x-7x-14=10(16)19x+16x=140(17)13x+19x+17=145(18)x÷47=0.4(19)1.1x+1x=8.4(20)x÷2=23(21)x+9.4=10.2(22)53x+3x+0.4=95.6(23)23x-4x+4.9=22(24)2x+6×33=244(25)8x+7x+23=188(26)11x-6x-2=41.5(27)4x-2×3.4=2.8(28)1.7x+0.7×17=30.6(29)5x+82x+4.3=21.7(30)19.3+5x=23.8(31)4x÷94=0.2(32)x-2=40(33)3.2x-4.6=14.6(34)(2.5x-3.3)÷12=1.6(35)2(0.7x-8.1)=14.6(36)2x-32=28(37)x÷72=2(38)0.9x-0.6x+1.8=31.5(39)0.5x+1x+4.2=73.2(40)3(3x-23)=57(41)90x÷20=9(42)4.8x-1.3x=24.5(43)31x+2×4.2=17.7(44)89-x=28(45)9.8x+7.6x-1.2=33.6(46)(10x+36)÷2=33(47)(1.8x+8.3)÷25=1.7(48)x+57=132(49)x÷32=6(50)95x-39x-1=55(51)x-42=39(52)44x=13.2(53)4.6x-2.9=6.3(54)1.5x+3.8x+1.5=107.5(55)8(x+3)=72(56)2.9x+9.9x+4.6=55.8(57)5(2.6x+1.3)=45.5(58)3x+4.5x+3.1=48.1(59)7x+9x-18=158(60)6x÷20=0.9(61)32x=96(62)x÷41=4(63)17.6-1.1x=15.4(64)8.4+x=11.5(65)17x+3.9=14.1(66)2x=6.2(67)77x-69x+3.6=13.2(68)0.8x+6.8x-2.4=73.6(69)0.5x-3=6(70)x+4.2=11.8(71)7.7x-3.5x+3.7=20.5(72)7x+6x=156(73)6.2x-3.4=15.2(74)14.8-28x=6.4(75)145+9x=199(76)14x+2.3=10.7(77)11.3+25x=21.3(78)21x+88x+4.3=69.7(79)19x-4x=150(80)40-x=11(81)x+72=100(82)x+1=1.8(83)3.3x-2.7x+0.2=5(84)x÷34=0.3(85)7.5x+4.3x-1.5=151.9(86)4.1x+1×11=23.3(87)15-1.3x=3.3(88)9+x=9.9(89)6.4+x=15.2(90)0.5x+1.1×10=18.5(91)x+1.2=1.8(92)14.4+2x=34.4(93)7.8÷x=2.6(94)3x+8x-27=50(95)3.7x-0.3x=37.4(96)19x+11x=120(97)1.4x÷18=0.7(98)5(1.3x-5.2)=45.5(99)1.5x÷39=0.5(100)4x+13×1.4=37.8(101)15.2÷x=0.8(102)x+7.6=9.8(103)176+22x=242(104)0.9x-0.8×3=3(105)8.8x+7.1x=127.2(106)51x+76x-4.8=33.3(107)2.2+5x=16.7(108)15x-43×0.3=3.6(109)5.3+5x=22.3(110)2(3x+37)=194(111)20x+10×13=210(112)6.3x÷21=0.6(113)x+79=176(114)17x-11×5=115(115)6.3x-5.1x+2.8=10(116)2(9x+14)=136(117)1.4x+0.4x-2.7=99.9(118)(x+16)÷12=3(119)7+x=10.1(120)1.2x÷20=0.9(121)2x-47=41(122)(19x-14)÷6=4(123)x÷14=14(124)12x+14x+9=191(125)18x-11x-42=14(126)2.5x-0.6x=24.7(127)47x+20x+0.6=87.7(128)4.5x+2.2x=80.4(129)12.8+0.5x=23.3(130)12(0.3x+3)=43.2(131)13x+3×4.5=21.3(132)0.3x=8.1(133)9x-6x-27=39(134)x÷12=4(135)7(29x-38)=140(136)7x-2x-20=90(137)1.2+2.4x=15.6(138)9x+50=122(139)2x+51×2=240(140)49÷x=7(141)19x-3x+37=197(142)12x÷90=2(143)145+6x=301(144)10(0.5x+0.6)=16(145)1.6x+1.9=11.5(146)5.8+0.4x=12.2(147)10x-7x-7=50(148)0.3x+2.2=8.2(149)77x-64x-2.4=1.5(150)6(1.2x+2.9)=46.2(151)58x=116(152)16÷x=8(153)2(0.8x+7.3)=30.6(154)(14x+20)÷2=129(155)17.5-2x=6.1(156)72÷x=6(157)150-8x=30(158)8.2x-3.1x-2.5=53.6(159)x+25=48(160)1.9x-1.6x+2.4=11.7(161)7.5x-3.3x=25.2(162)(2x-2)÷2=11(163)3.3÷x=0.3(164)0.7x+3.3x+3.3=83.3(165)2+x=39(166)7x+0.3x+1.6=30.8(167)12.7+22x=28.1(168)0.4x-0.7×3=8.3(169)4x-7×1=2.6(170)18x-4.2=15.6(171)7x-2.7=1.5(172)x-2.1=2.4(173)16x+17x-3.6=141.6(174)137-5x=122(175)x-6.2=2.6(176)24x-4.2=5.4(177)9.2+1.6x=20.4(178)(6.8x+7.4)÷2=44.5(179)5x-3x=70(180)1.8x-0.2×21=10.2(181)19x-13x=24(182)14.3+7x=16.4(183)8x+2x-45=195(184)x÷84=0.2(185)15-1.6x=11.8(186)10-13x=7.4(187)18.5-0.3x=1.1(188)0.6x=4.2(189)3(x+10)=36(190)35x-28x-0.7=18.2(191)4.4x-3.6x-2.4=11.2(192)x÷10=1(193)6.9-0.3x=3.9(194)137+19x=327(195)(5.7x-3.9)÷5=7.2(196)13x-10x-5=19(197)4x÷16=12(198)129-14x=87(199)47+x=136(200)2.8x+5x+4=82(201)(6x+48)÷14=15(202)3.5x+4.8x-2.7=113.5(203)42x-3.3=5.1(204)46x=138(205)x-42=23(206)7.4+x=16.7(207)(10x-2)÷29=2(208)0.2x=14.2(209)0.5x=4(210)0.5x+1.5x-2.9=101.1(211)37x+46x+3.7=28.6(212)(5.4x+2.2)÷2=14.6(213)108÷x=6(214)3-x=1.4(215)(3.4x-5.2)÷2=5.9(216)5.4÷x=0.2(217)x+47=104(218)16x+2×0.3=7(219)(6x+3.3)÷19=2.7(220)9.7+x=10.3(221)17x+13x-1.4=43.6(222)x-0.3=9.1(223)6x÷4=3.3(224)1.9x-0.3×17=8.2(225)7x-5.4x-4.3=11.7(226)24x+19x-0.5=171.5(227)(14x+39)÷15=11(228)1.6x=8(229)2(x+36)=162(230)4x-3.6x=4(231)x+5.6=6.1(232)77-x=56(233)x+60=109(234)92x-25x+3.2=16.6(235)2x÷30=0.3(236)14x+9×20=222(237)172+35x=277(238)x-1.4=6.4(239)6.4x+4.4x=64.8(240)186÷x=3(241)66x-16x-1=59(242)x-4=70(243)7.8-x=6.4(244)13(0.3x+1.6)=32.5(245)92÷x=23(246)30x÷10=1.8(247)(7.4x-7.6)÷7=4.2(248)3(9x-4)=177(249)(1.3x+7.2)÷2=12.7(250)3x+2x=220(251)57x=11.4(252)13x+3x+37=133(253)12.6-2x=10.8(254)3(1.1x+0.9)=9.3(255)16x-8x-1.8=20.6(256)44x-48=128(257)2.6x-0.4x+1.9=54.7(258)0.2x+3.3=5.5(259)1.8x-2.7=17.1(260)x÷22=0.4(261)4.2x+1.8x-4.5=25.5(262)5x÷10=10(263)18.8-0.2x=4(264)9(8x-36)=108(265)91-x=36(266)11x+26=92(267)14x+94x-4.3=103.7(268)28x+56=140(269)26(x+2)=182(270)(5.2x+1.4)÷3=28.2(271)2.2x-1x-4.9=1.1(272)0.2x+5.3=6.9(273)127-4x=119(274)0.3x+1.4=20.9(275)27x+78x+0.8=74.3(276)7.8x+1.5x+0.8=19.4(277)31x-3.4=2.8(278)14x+46=130(279)x+9.7=10.6(280)91x+33x+3.9=53.5(281)5÷x=2.5(282)2x+4x-45=129(283)3.3x+1.4x=9.4(284)15x-8x+20=83(285)19x-10×15=21(286)1.1x+3.3=22(287)10x-12×0.5=11(288)(10x-30)÷4=35(289)0.4x=16.8(290)17x-14x+12=24(291)2x-2×3.6=1.6(292)4x+16×1=34(293)3.1x+4.4x-2.2=147.8(294)0.5x=8.5(295)12.8+0.3x=18.5(296)4x+3.6=16(297)(9.6x+1.4)÷2=24.7(298)(9x+28)÷8=26(299)76-x=11(300)16x-2×18=140(301)19.2-1x=12.2(302)10.2+6x=18.6(303)0.2x+4.9=16.7(304)4x+12x-20=108(305)(4x-11)÷9=5(306)(7x-2)÷20=2(307)14.9-5.1x=4.7(308)2x+4.9x-4.7=78.1(309)7x-5×3=146(310)4(x-24)=76(311)3x-13×0.4=4.7(312)22x+6×9=230(313)15x+2x+30=183(314)6x=60(315)2.7x-0.4×12=14.1(316)x-3.2=6.7(317)6x-4×17=82(318)13x-9×5=59(319)12x-4x+13=29(320)22x+9×1.7=24.1(321)62x+54x+1.2=59.2(322)16.5÷x=3.3(323)8.1x+6.3x+4.6=47.8(324)33x-3x+3.2=45.2(325)82+x=124(326)7(0.3x-0.5)=46.9(327)2x+3x=190(328)0.4x÷40=0.5(329)160-2x=98(330)6x+12x-44=118(331)4x+18x+30=228(332)2x+4x+44=314(333)2(x+27)=102(334)9.6x-6.5x-2.6=19.1(335)8x+17×6=254(336)x÷8=0.4(337)8.6-19x=1(338)36x+28x-1=101.4(339)x÷24=0.5(340)12x-2x-40=110(341)5x=90(342)8x+3×3.2=12(343)6.9x-6.7x=1.4(344)4x=10(345)16x÷40=4(346)2(16x-4)=88(347)2.5+1.1x=10.2(348)61x-53x+4.7=14.3(349)5x-4.6=6.9(350)11x+15=180(351)1+4x=13(352)175-8x=87(353)117-3x=81(354)15x-10x+34=89(355)0.3x+1.5×13=32.1(356)7.7-x=4.6(357)1x=20(358)7x-4.2x=11.2(359)2x-13×9=75(360)2x-9×14=64(361)3.2x-1.6×3=8(362)96-6x=84(363)19x-14x=45(364)48x+26x+3.1=121.5(365)3x+6×21=219(366)x+0.4=0.6(367)1.5x+1.4×3=19.2(368)2(2x-27)=110(369)7.1+x=9.6(370)(7.4x-9.2)÷28=0.2(371)27x+7x-0.6=16.4(372)4x+14x+30=192(373)x÷31=0.6(374)2x+16x=126(375)9x-2x+2.7=33.5(376)18x÷2=3.6(377)10.8-2x=2.4(378)25+27x=133(379)x-6.1=2.7(380)10x-18×0.8=1.6(381)8x+27=195(382)x+33=45(383)2.3x+0.9×20=36.4(384)28x=112(385)49x+4.8=24.4(386)4.3x+6.4x=149.8(387)7+x=11.8(388)0.2x÷42=0.4(389)4x-33=55(390)4x+5x-30=51(391)185+14x=311(392)3x+4=11.8(393)8x-5.7=10.3(394)3x-28=47(395)6x-2x+23=115(396)5x=19.5(397)8.5-x=6.3(398)2(0.7x-6)=30(399)1.9x-1.7x+0.2=5.2(400)7x+5.6=17.5(401)4.4-x=1.4(402)34x+36=206(403)20x÷30=2(404)39+x=53(405)17x-10x-28=49(406)7.8÷x=3.9(407)20x-26×0.2=4.8(408)6x+5.4=23.4(409)(4.3x-2.5)÷4=2.6(410)10(18x-19)=170(411)12x+13×9=309(412)80÷x=4(413)42x=84(414)3x+5x=320(415)10x-8x=26(416)x÷3=0.4(417)x-0.2=6.4(418)x÷6=29(419)34x-28=40(420)18x=9(421)37x-33x-0.5=7.9(422)12.8-2x=6.4(423)23+x=61(424)4.1x-3.1x-4=12(425)x-12=84(426)2x÷66=0.3(427)3(3x+48)=162(428)2(4.6x-1.6)=42.8(429)6x÷36=2(430)x+2.8=4.1(431)4x+43=59(432)39x-22x+3.2=23.6(433)13x+21×0.4=16.2(434)15+42x=31.8(435)19x-28×0.3=4.9(436)6x÷24=0.8(437)5.4x-1.1x+1.4=35.8(438)9.5x-4.7=14.3(439)96+x=100(440)19x-8x+18=84(441)75x-29x+4.8=14(442)(8x-41)÷3=37(443)19.3-4x=13.7(444)x+4=47(445)12.7+3.3x=19.3(446)95-x=87(447)2.1÷x=0.7(448)6(5.9x-3.7)=48.6(449)4.2-x=2.8(450)6x=180(451)x-2=6.4(452)2.3x+0.3×31=16.2(453)4x÷5=2.8(454)x-37=50(455)0.2x÷24=0.7(456)87+13x=217(457)4.4x-0.9×11=7.7(458)16x-5x=132(459)12x+5x+26=145(460)186-2x=80(461)4(0.5x+4.1)=26.4(462)8x-2×51=34(463)3(3x-4.9)=30.3(464)9x=19.8(465)2.3-x=1.7(466)(15x-40)÷4=50(467)(7.1x-1.7)÷28=0.7(468)(19x+41)÷17=8(469)(4.1x-7)÷2=8.8(470)0.3x+0.3×49=28.8(471)15x-8x=28(472)2x+1.5=17.7(473)3.3x+1.9x=150.8(474)15+x=110(475)(9x+32)÷17=13(476)16.3-4x=6.3(477)13x+5x-45=27(478)2x+10x=240(479)32x-23x-0.8=21.7(480)14(1.8x-6.7)=32.2(481)(4.5x+5.1)÷2=45.3(482)93-x=33(483)4.9-x=2.2(484)15x-4x+4=26(485)3(3.2x+1.8)=24.6(486)11x-9x=10(487)44x÷88=2(488)89x+51x-2=124(489)19x-15x+21=57(490)4.9x-1.9=7.9(491)5.1x-2.8x+0.6=12.1(492)x+96=166(493)6x+3.8=21.8(494)1.1x-0.3x=47.2(495)x÷7=13(496)9.4+29x=21(497)(6x+45)÷21=9(498)2x-2=9.4(499)1.1x-0.8x-0.7=14.6(500)18x+17x=210(501)0.9x+2.8=10(502)1.5x=4.5(503)8.7x-5.1x-3.2=32.8(504)76x-2x+4.6=100.8(505)2x=17(506)4x=9.2(507)0.2x+1.1×14=17(508)69÷x=3(509)24x÷6=32(510)4.8÷x=0.6(511)x÷23=8(512)56÷x=28(513)0.3x÷5=1.8(514)29+x=100(515)(12x-34)÷19=2(516)60x-55=125(517)3(x-17)=66(518)9.9-0.2x=5.7(519)73-x=44(520)15x+14x-4.9=151.7(521)6x-2x=80(522)5(x+2)=185(523)(3.7x+0.9)÷12=1(524)3(1.1x-9)=42.3(525)2.6x+6x=43(526)2x+2.8=5.2(527)87x=174(528)3x-2.4=3(529)(6.6x-5.6)÷2=26.9(530)8.1+x=17(531)155+16x=219(532)7x+12×1.5=20.8(533)0.4x-1.1×9=7.3(534)15x+14x-34=285(535)x-1.8=2(536)8x÷2=2.4(537)4x-42=146(538)2x-4.1=15.5(539)2.2x-0.8x-2.9=54.5(540)3.8x+6x=137.2參考答案(1)x=90(2)x=12(3)x=6(4)x=71(5)x=18(6)x=31(7)x=2(8)x=7(9)x=80(10)x=9(11)x=2.3(12)x=4.6(13)x=92(14)x=16(15)x=6(16)x=4(17)x=4(18)x=18.8(19)x=4(20)x=46(21)x=0.8(22)x=1.7(23)x=0.9(24)x=23(25)x=11(26)x=8.7(27)x=2.4(28)x=11(29)x=0.2(30)x=0.9(31)x=4.7(32)x=42(33)x=6(34)x=9(35)x=22(36)x=30(37)x=144(38)x=99(39)x=46(40)x=14(41)x=2(42)x=7(43)x=0.3(44)x=61(45)x=2(46)x=3(47)x=19(48)x=75(49)x=192(50)x=1(51)x=81(52)x=0.3(53)x=2(54)x=20(55)x=6(56)x=4(57)x=3(58)x=6(59)x=11(60)x=3(61)x=3(62)x=164(63)x=2(64)x=3.1(65)x=0.6(66)x=3.1(67)x=1.2(68)x=10(69)x=18(70)x=7.6(71)x=4(72)x=12(73)x=3(74)x=0.3(75)x=6(76)x=0.6(77)x=0.4(78)x=0.6(79)x=10(80)x=29(81)x=28(82)x=0.8(83)x=8(84)x=10.2(85)x=13(86)x=3(87)x=9(88)x=0.9(89)x=8.8(90)x=15(91)x=0.6(92)x=10(93)x=3(94)x=7(95)x=11(96)x=4(97)x=9(98)x=11(99)x=13(100)x=4.9(101)x=19(102)x=2.2(103)x=3(104)x=6(105)x=8(106)x=0.3(107)x=2.9(108)x=1.1(109)x=3.4(110)x=20(111)x=4(112)x=2(113)x=97(114)x=10(115)x=6(116)x=6(117)x=57(118)x=20(119)x=3.1(120)x=15(121)x=44(122)x=2(123)x=196(124)x=7(125)x=8(126)x=13(127)x=1.3(128)x=12(129)x=21(130)x=2(131)x=0.6(132)x=27(133)x=22(134)x=48(135)x=2(136)x=22(137)x=6(138)x=8(139)x=69(140)x=7(141)x=10(142)x=15(143)x=26(144)x=2(145)x=6(146)x=16(147)x=19(148)x=20(149)x=0.3(150)x=4(151)x=2(152)x=2(153)x=10(154)x=17(155)x=5.7(156)x=12(157)x=15(158)x=11(159)x=23(160)x=31(161)x=6(162)x=12(163)x=11(164)x=20(165)x=37(166)x=4(167)x=0.7(168)x=26(169)x=2.4(170)x=1.1(171)x=0.6(172)x=4.5(173)x=4.4(174)x=3(175)x=8.8(176)x=0.4(177)x=7(178)x=12(179)x=35(180)x=8(181)x=4(182)x=0.3(183)x=24(184)x=16.8(185)x=2(186)x=0.2(187)x=58(188)x=7(189)x=2(190)x=2.7(191)x=17(192)x=10(193)x=10(194)x=10(195)x=7(196)x=8(197)x=48(198)x=3(199)x=89(200)x=10(201)x=27(202)x=14(203)x=0.2(204)x=3(205)x=65(206)x=9.3(207)x=6(208)x=71(209)x=8(210)x=52(211)x=0.3(212)x=5(213)x=18(214)x=1.6(215)x=5(216)x=27(217)x=57(218)x=0.4(219)x=8(220)x=0.6(221)x=1.5(222)x=9.4(223)x=2.2(224)x=7(225)x=10(226)x=4(227)x=9(228)x=5(229)x=45(230)x=10(231)x=0.5(232)x=21(233)x=49(234)x=0.2(235)x=4.5(236)x=3(237)x=3(238)x=7.8(239)x=6(240)x=62(241)x=1.2(242)x=74(243)x=1.4(244)x=3(245)x=4(246)x=0.6(247)x=5(248)x=7(249)x=14(250)x=44(251)x=0.2(252)x=6(253)x=0.9(254)x=2(255)x=2.8(256)x=4(257)x=24(258)x=11(259)x=11(260)x=8.8(261)x=5(262)x=20(263)x=74(264)x=6(265)x=55(266)x=6(267)x=1(268)x=3(269)x=5(270)x=16(271)x=5(272)x=8(273)x=2(274)x=65(275)x=0.7(276)x=2(277)x=0.2(278)x=6(279)x=0.9(280)x=0.4(281)x=2(282)x=29(283)x=2(284)x=9(285)x=9(286)x=17(287)x=1.7(288)x=17(289)x=42(290)x=4(291)x=4.4(292)x=4.5(293)x=20(294)x=17(295)x=19(296)x=3.1(297)x=5(298)x=20(299)x=65(300)x=11(301)x=7(302)x=1.4(303)x=59(304)x=8(305)x=14(306)x=6(307)x=2(308)x=12(309)x=23(310)x=43(311)x=3.3(312)x=8(313)x=9(314)x=10(315)x=7(316)x=9.9(317)x=25(318)x=8(319)x=2(320)x=0.4(321)x=0.5(322)x=5(323)x=3(324)x=1.4(325)x=42(326)x=24(327)x=38(328)x=50(329)x=31(330)x=9(331)x=9(332)x=45(333)x=24(334)x=7(335)x=19(336)x=3.2(337)x=0.4(338)x=1.6(339)x=12(340)x=15(341)x=18(342)x=0.3(343)x=7(344)x=2.5(345)x=10(346)x=3(347)x=7(348)x=1.2(349)x=2.3(350)x=15(351)x=3(352)x=11(353)x=12(354)x=11(355)x=42(356)x=3.1(357)x=20(358)x=4(359)x=96(360)x=95(361)x=4(362)x=2(363)x=9(364)x=1.6(365)x=31(366)x=0.2(367)x=10(368)x=41(369)x=2.5(370)x=2(371)x=0.5(372)x=9(373)x=18.6(374)x=7(375)x=4.4(376)x=0.4(377)x=4.2(378)x=4(379)x=8.8(380)x=1.6(381)x=21(382)x=12(383)x=8(384)x=4(385)x=0.4(386)x=14(387)x=4.8(388)x=84(389)x=22(390)x=9(391)x=9(392)x=2.6(393)x=2(39