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)6(4.1x-7.5)=28.8(2)11x+12x+15=176(3)x+76=123(4)47+x=113(5)2x=5(6)10(6x-5)=190(7)0.3x+5=16.7(8)197-46x=13(9)0.6x+4.9×3=24.3(10)12x=84(11)7x-3.9x-1=8.3(12)4.9x-0.2x-1.6=31.3(13)48x-17×0.3=4.5(14)x-3.3=1.1(15)74+14x=228(16)18x-4×21=24(17)6x-55=113(18)3.7x+4.2=22.7(19)2x-3.1=3.3(20)8.3+0.2x=21.7(21)33x=13.2(22)81x-73x+1.7=4.9(23)12.6÷x=0.9(24)2.8x-2.4×3=4(25)12x+36×0.4=33.6(26)9.8+2x=14.6(27)15x+19x+47=319(28)3x=6(29)4x-2x-25=27(30)12x÷2=3.6(31)36x+35x+0.4=156.6(32)182+43x=268(33)1.3x+5.2x-1.1=44.4(34)0.3x+0.2×11=10.6(35)4.8x-0.8×16=1.6(36)5x-7×2.3=2.4(37)6x-4x+23=37(38)x-6.7=2.2(39)25x-3.1=16.9(40)13.2+4x=21.2(41)21x÷7=12(42)16+x=52(43)1.8x+5.6x-3.4=55.8(44)x+4.1=12.6(45)x÷86=0.2(46)10x+2.5=12.5(47)84x-35x+4=23.6(48)6.2x+3.3x+4.1=156.1(49)9x-7x=12(50)7.9-x=3.1(51)7.5x+4.2x=58.5(52)8.1x+2.6x-0.5=63.7(53)13x-16×5=63(54)2(8x+28)=104(55)2.3x+4.4=11.3(56)13x-7x=30(57)1.6x+2x=165.6(58)27x+66x-3.6=135.9(59)11x+79×2=290(60)3x+5.2=22.6(61)13.2÷x=1.2(62)2.3x=4.6(63)4.9x+9.7x=58.4(64)4.9x-0.7x=84(65)x-0.5=2.1(66)8x-5.9=4.5(67)13x+66×2=327(68)117÷x=9(69)18.9-2.2x=3.5(70)x÷42=3(71)6(6x-45)=126(72)17÷x=0.2(73)(1.9x+5.9)÷7=2.2(74)4.2x-1x-1.9=36.5(75)3x-3.4=4.4(76)14.3+0.6x=26.3(77)77x-15x+3.9=53.5(78)2.5x=7.5(79)14+x=55(80)8.6+59x=26.3(81)7x+50=218(82)124+2x=158(83)7.3+x=9.9(84)x+3.2=6.3(85)11+0.6x=12.2(86)161+11x=260(87)(0.6x+1.2)÷11=0.6(88)7x+14=91(89)15x+8x-15=100(90)1.7x-1.5=15.5(91)43+x=81(92)1.8÷x=0.6(93)61x-34x-4=9.5(94)x÷21=0.8(95)x÷15=0.4(96)2x-1=2(97)16x+10x=156(98)x+65=72(99)10x÷9=2(100)9.9x-2.6x=43.8(101)13.3-1.9x=7.6(102)16(2.7x-5.2)=46.4(103)7.6x-6.4x+2.7=15.9(104)2x-31×3=37(105)x+6.2=16.1(106)26+x=87(107)90x-32x-1.6=44.8(108)3.8x-0.3×16=6.6(109)17x-8x=63(110)12-0.5x=1(111)4x+5.2=14.8(112)173-9x=56(113)2.8x-1.3×6=6.2(114)1.2x-0.9x+2.2=21.1(115)x+8.8=15(116)4.5x+8x=62.5(117)12x÷24=0.4(118)6x=19.8(119)26x=182(120)3x+12x-1.3=88.7(121)4.5-x=1(122)57x=114(123)(9x+17)÷4=47(124)78-x=53(125)180-2x=118(126)x-16=38(127)x-32=37(128)0.2x+1.3=17.9(129)3.3x-0.2x=58.9(130)9x-6x+4.8=13.8(131)16.2-2x=5.8(132)7x÷9=1.4(133)141-24x=69(134)19x-17x=16(135)25x÷5=10(136)3.9-x=1.3(137)7x-5.6x+4.5=7.3(138)4x-26×0.3=8.2(139)x+8.2=9(140)8.5+15x=23.5(141)43-3x=22(142)65-x=58(143)16x+9x-10=165(144)14.9-0.3x=5(145)11x+12x+44=274(146)8x+12x-37=283(147)2x+16x+1.2=58.8(148)x-5.4=2.9(149)3(0.6x-2.4)=37.8(150)0.3x-4.7=12.7(151)2(3.6x+2.4)=40.8(152)10.6+0.2x=22.2(153)(3x-3.7)÷13=1.1(154)(15x-12)÷8=21(155)(15x+18)÷3=16(156)14x-9x-2.7=15.3(157)12x-9x+36=75(158)5(x+15)=120(159)8x-3x+39=74(160)16x+5x+3.6=121.2(161)1.8x+6.4x=73.8(162)4x+13x=255(163)3x+21×4=243(164)51+4x=203(165)2x-3×10=88(166)x+62=101(167)x÷77=0.2(168)19x+4x=115(169)0.3x÷24=0.4(170)(3.9x-9.6)÷8=2.7(171)x-13=37(172)7.7-9x=4.1(173)(14x+38)÷39=6(174)12x-13=59(175)84x÷56=0.3(176)86x÷43=0.4(177)10x-6x-6=66(178)3x+25×3=189(179)3+9x=6.6(180)46x+74x-3.3=92.7(181)x÷10=7(182)32x+30=190(183)47x-37x+1.4=15.4(184)2(13x-38)=28(185)7.5x-4.7x+1.2=6.8(186)0.9x+1.9x=33.6(187)1.4x÷3=2.8(188)2(12x+16)=152(189)19x-38×0.2=11.4(190)12x+45=225(191)13.4-5x=3.9(192)x-84=15(193)12x+13x=100(194)2.4x÷6=1.2(195)5x-16=94(196)2x+26×0.4=11.6(197)10(0.8x-5)=46(198)(8.8x+5.2)÷12=6.3(199)20(x+8)=200(200)8.9x-5.1x-2.7=16.3(201)184-49x=37(202)x+3=67(203)31x+4×2.9=17.8(204)6.1-x=4.9(205)9.7x+0.9x+1.7=107.7(206)0.3x-1.6=17.6(207)16x-12x-25=15(208)3x=195(209)8x+6x-46=136(210)0.9x÷10=1.8(211)4.2+18x=11.4(212)6(11x-12)=192(213)62+x=126(214)18x-7×2=148(215)(6x-8)÷20=2(216)8x+55=223(217)33x-22x+2.9=30.4(218)(10x-8)÷14=8(219)6x=4.8(220)6.5+x=7.8(221)30÷x=5(222)18.2-7x=9.8(223)x÷4=32(224)17x+1.2=6.3(225)67-x=20(226)73-16x=41(227)0.3x÷18=0.9(228)14.9-1.8x=2.3(229)9(1.7x-2.4)=9(230)89+x=107(231)4x+30×6=328(232)4.2x÷4=2.1(233)19x+7x-27=25(234)7(x-20)=105(235)8.2x-1.9x=44.1(236)36x+46×0.2=27.2(237)(6x-44)÷23=2(238)3(11x-42)=105(239)72÷x=2(240)0.7x-0.4×8=5.2(241)12x+57x-2.2=115.1(242)x+3.7=6(243)6(0.2x+1.7)=13.8(244)x+96=161(245)(6.5x-1)÷17=3(246)9x-5x=28(247)17.6÷x=4.4(248)3x+14x=136(249)33x+32x+1.9=177.4(250)(1.9x+8.1)÷2=10.7(251)10x+38×0.4=24.2(252)69x-10x+0.4=71.2(253)5x+10x-28=167(254)(8.8x-3)÷2=20.5(255)2.2x+1.6×11=22(256)84x÷14=12(257)2.2+3x=3.4(258)7.2÷x=0.4(259)19x-5×1=6.4(260)x-0.7=2.1(261)6x-39×3=63(262)10x-2x+36=164(263)1.4x=7(264)6x=4.2(265)19.3-0.2x=14.5(266)0.9x+0.5×30=32.1(267)0.4x+2.2=22.2(268)7x+8x+19=379(269)7.4x-5.3x+4.6=13(270)3x+4.3x+4.1=106.3(271)0.3+x=2.5(272)19.3-1.2x=1.3(273)3x+1=13.9(274)11x=18.7(275)8x+10x=198(276)19.3-1.8x=1.3(277)26x-17=61(278)2.5x+0.5×14=17(279)5x÷35=0.4(280)(0.5x+4.6)÷3=2.7(281)5.4x+5.2x+1.9=192.7(282)125÷x=25(283)(4.6x+6)÷6=14.8(284)4x-29=43(285)6x+27×0.2=23.4(286)36x-8×0.6=13.2(287)2x-2.2=8.4(288)7(0.6x-9.3)=31.5(289)5.3-x=1.9(290)21x+25x-0.9=118.7(291)2(7x+20)=124(292)36x÷10=1.8(293)97-x=43(294)2.2x+1.1x-2.8=20.3(295)(11x+17)÷2=47(296)167-21x=104(297)3x=159(298)35x÷21=5(299)x-63=34(300)0.3x+0.3×32=13.5(301)15x-2x=104(302)0.8x+2.1x-1.3=120.5(303)x÷52=2(304)1.4x-0.5x+2.5=46.6(305)(10x-34)÷2=73(306)0.2x+5.9=21.5(307)10.1-5x=6.6(308)19.5+0.3x=24.3(309)0.3x-2=13(310)2x+7x-33=111(311)4x+8.1x+4.9=101.7(312)11x=9.9(313)14x÷7=20(314)9.7-x=3(315)1.7x+1x+3.3=114(316)3x-40=95(317)6x-3x-3=18(318)11x-4=10.3(319)6x+18x=48(320)17x+14x=248(321)33x+3.4=23.2(322)9.8-x=7.8(323)9.8x-7.2x-0.3=25.7(324)5.4x+1.2x=52.8(325)165÷x=3(326)x+6.6=8.4(327)8(0.2x+0.6)=20.8(328)x-0.2=5.5(329)2.2x+0.4x+1.7=48.5(330)1.5+0.3x=6.3(331)15.8-42x=7.4(332)3.7+x=4.8(333)70-x=49(334)2(12x+31)=110(335)7x+2.9=7.1(336)x-12=79(337)x÷28=6(338)x-8=29(339)2.5x-1.4×10=3.5(340)5x-3x-13=67(341)(10x-20)÷2=30(342)3.8+1.4x=13.6(343)6x-3x=54(344)8.8+5.6x=25.6(345)14.6-2x=6.6(346)6(3x+2)=174(347)13x-3x+16=126(348)0.2x÷5=1.2(349)6.7-x=5.3(350)x+78=144(351)6x+7.6x-1.9=93.3(352)x÷11=1.6(353)(3.2x+6.2)÷29=2.2(354)x÷2=2.1(355)x-7.1=1.5(356)0.2x÷3=0.8(357)16.9÷x=1.3(358)(9x-9)÷24=9(359)117÷x=13(360)0.3x+5.7=12.9(361)49x-7x-0.5=83.5(362)46x=184(363)74x+91x+2.9=101.9(364)8x+29=157(365)4x+15x-14=176(366)(8.6x-0.6)÷14=6.1(367)0.5x-2.1×4=10.6(368)23x+18x-3=128.2(369)12.1+0.7x=28.9(370)35x-20x+3.1=39.1(371)4.6x-3.8x=9.6(372)0.3x+3.3×4=20.4(373)2.1x=6.3(374)6.6x-2.1x=27(375)3x-26×2=32(376)15x=150(377)2x-6×4=64(378)11x-4x-13=99(379)3.8x+2x=58(380)2(9x-8)=128(381)4(0.2x+1.8)=11.2(382)(6.3x-1.3)÷11=1.6(383)190+2x=332(384)15.6+2x=19.8(385)12x+16x+9=65(386)14(3x-35)=140(387)10+x=62(388)(10x+28)÷6=8(389)83-x=39(390)16x-7x-22=32(391)168+4x=216(392)11(0.2x+1.4)=48.4(393)79x+36x-2.4=20.6(394)16.6-7x=11.7(395)8.1+x=17.1(396)(8.5x+8.8)÷2=38.4(397)10x+5×4=110(398)6(2.1x+2.5)=40.2(399)186÷x=6(400)41x+4.5=12.7(401)x÷73=0.2(402)4.2x+1.2×7=25.2(403)(x+6.8)÷27=0.4(404)16.8+3x=30(405)31x+26=119(406)16(0.2x-2.5)=46.4(407)5.9x+9.9x+2.9=50.3(408)x÷49=0.3(409)x+96=176(410)2(10x-3)=74(411)2(1.7x+3)=46.8(412)7x+3×3.6=12.9(413)0.2x-2.6=4.2(414)9x-2.8x-1.9=60.1(415)19x+10x+18=76(416)5x+7×18=246(417)x+9=72(418)8x+10x=108(419)1x-0.3x+3.5=7(420)6(7.3x-9)=33.6(421)8x-2x=60(422)18.8-0.2x=4.4(423)2x-5.6=4.6(424)24x-3×0.9=9.3(425)28x-5=11.8(426)9.9x-5.2x+3.9=27.4(427)79x-46x-0.9=12.3(428)x-34=41(429)33-x=18(430)9x-3.9x=15.3(431)0.6x÷42=0.2(432)x÷17=3(433)77-x=54(434)3.3-x=1.2(435)4(x+12)=124(436)x+2.4=11.8(437)5x=20(438)95-x=63(439)3x+2.2=12.7(440)7.7x-5.2x=27.5(441)5x=60(442)76x-61x-0.2=10.3(443)41x-22x-1.3=23.4(444)0.2x+1.4x-3.2=60.8(445)0.4x-1.9=11.7(446)8-3x=5.9(447)18x+15x+31=394(448)(15x-22)÷4=32(449)4.6x+9.3x-4.5=37.2(450)x÷3=11(451)10x+11x+22=85(452)(3.5x-7.1)÷8=4.8(453)7.9+x=12.2(454)5+x=7.8(455)x÷22=8(456)(7.8x-4.8)÷2=36.6(457)185÷x=5(458)91x-60x+3.9=25.6(459)2(2x+32)=116(460)88+x=180(461)16x-5x+46=134(462)2.6x+1.2=6.4(463)14x-9x-21=44(464)0.7x-2.1=11.2(465)3x-2×2.6=3.8(466)8x-30=130(467)2x÷3=8(468)2x+25=73(469)3x-50=139(470)6x-7×0.6=5.4(471)6x=9(472)(11x+3)÷2=106(473)17x+39×3=287(474)24x+41x+0.3=19.8(475)7x-8×7=14(476)44x+8x+3.9=97.5(477)78x-74x-1.8=1(478)2x+3×40=204(479)4.2x-3.7x-1=5.5(480)3.5x+0.3x-4.8=29.4(481)16x-12x-19=25(482)10x-3x+34=174(483)2.3x+0.3×21=22.4(484)35x÷7=25(485)40x÷80=2(486)9x-18=126(487)x+1=4.9(488)(18x-12)÷2=48(489)8.9x-4.4x-2.8=15.2(490)17x+40x+2.7=133.8(491)(10x+30)÷10=5(492)x÷17=0.3(493)3x+9×0.2=13.2(494)153+14x=223(495)7.6x-1.4x=68.2(496)5x-3x=12(497)33x+46=211(498)(6x+24)÷2=66(499)60x+4x+3.5=67.5(500)4(1.2x-1.3)=38(501)8.9+x=17.3(502)x÷6=11(503)4.1x=16.4(504)2.3x+3.6x=47.2(505)1.1x=13.2(506)178+14x=318(507)9.7x-7.3x+4.4=11.6(508)0.2x-2.1=13.3(509)155-2x=151(510)102÷x=3(511)0.2x=5.2(512)1.7x+2.9=13.1(513)(4.9x-5.2)÷2=36.6(514)16.8÷x=0.7(515)7.1x-4.6x-2.3=15.2(516)16x=19.2(517)12x+6x+14=104(518)88x+55x-4.3=81.5(519)3x=60(520)0.2x-4.3=5.5(521)9.3x+3.2x+0.7=50.7(522)x-89=10(523)x-4.2=2.4(524)x-5.5=4.2(525)0.5x-0.3×23=8.6(526)14.4÷x=1.8(527)2(3.6x+3.9)=29.4(528)4x÷10=1.4(529)4x+5x-4.7=10.6(530)6x+17x-31=61(531)51x÷17=6(532)0.7x-0.2×43=1.2(533)13x-8x+8=68(534)7x+9×1.7=34.2(535)7.7+x=10.5(536)12x-6x+6=66(537)x+6=73(538)(x+15)÷2=12(539)2(2.4x+3.4)=35.6(540)11x-4x-4.1=22.5參考答案(1)x=3(2)x=7(3)x=47(4)x=66(5)x=2.5(6)x=4(7)x=39(8)x=4(9)x=16(10)x=7(11)x=3(12)x=7(13)x=0.2(14)x=4.4(15)x=11(16)x=6(17)x=28(18)x=5(19)x=3.2(20)x=67(21)x=0.4(22)x=0.4(23)x=14(24)x=4(25)x=1.6(26)x=2.4(27)x=8(28)x=2(29)x=26(30)x=0.6(31)x=2.2(32)x=2(33)x=7(34)x=28(35)x=3(36)x=3.7(37)x=7(38)x=8.9(39)x=0.8(40)x=2(41)x=4(42)x=36(43)x=8(44)x=8.5(45)x=17.2(46)x=1(47)x=0.4(48)x=16(49)x=6(50)x=4.8(51)x=5(52)x=6(53)x=11(54)x=3(55)x=3(56)x=5(57)x=46(58)x=1.5(59)x=12(60)x=5.8(61)x=11(62)x=2(63)x=4(64)x=20(65)x=2.6(66)x=1.3(67)x=15(68)x=13(69)x=7(70)x=126(71)x=11(72)x=85(73)x=5(74)x=12(75)x=2.6(76)x=20(77)x=0.8(78)x=3(79)x=41(80)x=0.3(81)x=24(82)x=17(83)x=2.6(84)x=3.1(85)x=2(86)x=9(87)x=9(88)x=11(89)x=5(90)x=10(91)x=38(92)x=3(93)x=0.5(94)x=16.8(95)x=6(96)x=1.5(97)x=6(98)x=7(99)x=1.8(100)x=6(101)x=3(102)x=3(103)x=11(104)x=65(105)x=9.9(106)x=61(107)x=0.8(108)x=3(109)x=7(110)x=22(111)x=2.4(112)x=13(113)x=5(114)x=63(115)x=6.2(116)x=5(117)x=0.8(118)x=3.3(119)x=7(120)x=6(121)x=3.5(122)x=2(123)x=19(124)x=25(125)x=31(126)x=54(127)x=69(128)x=83(129)x=19(130)x=3(131)x=5.2(132)x=1.8(133)x=3(134)x=8(135)x=2(136)x=2.6(137)x=2(138)x=4(139)x=0.8(140)x=1(141)x=7(142)x=7(143)x=7(144)x=33(145)x=10(146)x=16(147)x=3.2(148)x=8.3(149)x=25(150)x=58(151)x=5(152)x=58(153)x=6(154)x=12(155)x=2(156)x=3.6(157)x=13(158)x=9(159)x=7(160)x=5.6(161)x=9(162)x=15(163)x=53(164)x=38(165)x=59(166)x=39(167)x=15.4(168)x=5(169)x=32(170)x=8(171)x=50(172)x=0.4(173)x=14(174)x=6(175)x=0.2(176)x=0.2(177)x=18(178)x=38(179)x=0.4(180)x=0.8(181)x=70(182)x=5(183)x=1.4(184)x=4(185)x=2(186)x=12(187)x=6(188)x=5(189)x=1(190)x=15(191)x=1.9(192)x=99(193)x=4(194)x=3(195)x=22(196)x=0.6(197)x=12(198)x=8(199)x=2(200)x=5(201)x=3(202)x=64(203)x=0.2(204)x=1.2(205)x=10(206)x=64(207)x=10(208)x=65(209)x=13(210)x=20(211)x=0.4(212)x=4(213)x=64(214)x=9(215)x=8(216)x=21(217)x=2.5(218)x=12(219)x=0.8(220)x=1.3(221)x=6(222)x=1.2(223)x=128(224)x=0.3(225)x=47(226)x=2(227)x=54(228)x=7(229)x=2(230)x=18(231)x=37(232)x=2(233)x=2(234)x=35(235)x=7(236)x=0.5(237)x=15(238)x=7(239)x=36(240)x=12(241)x=1.7(242)x=2.3(243)x=3(244)x=65(245)x=8(246)x=7(247)x=4(248)x=8(249)x=2.7(250)x=7(251)x=0.9(252)x=1.2(253)x=13(254)x=5(255)x=2(256)x=2(257)x=0.4(258)x=18(259)x=0.6(260)x=2.8(261)x=30(262)x=16(263)x=5(264)x=0.7(265)x=24(266)x=19(267)x=50(268)x=24(269)x=4(270)x=14(271)x=2.2(272)x=15(273)x=4.3(274)x=1.7(275)x=11(276)x=10(277)x=3(278)x=4(279)x=2.8(280)x=7(281)x=18(282)x=5(283)x=18(284)x=18(285)x=3(286)x=0.5(287)x=5.3(288)x=23(289)x=3.4(290)x=2.6(291)x=6(292)x=0.5(293)x=54(294)x=7(295)x=7(296)x=3(297)x=53(298)x=3(299)x=97(300)x=13(301)x=8(302)x=42(303)x=104(304)x=49(305)x=18(306)x=78(307)x=0.7(308)x=16(309)x=50(310)x=16(311)x=8(312)x=0.9(313)x=10(314)x=6.7(315)x=41(316)x=45(317)x=7(318)x=1.3(319)x=2(320)x=8(321)x=0.6(322)x=2(323)x=10(324)x=8(325)x=55(326)x=1.8(327)x=10(328)x=5.7(329)x=18(330)x=16(331)x=0.2(332)x=1.1(333)x=21(334)x=2(335)x=0.6(336)x=91(337)x=168(338)x=37(339)x=7(340)x=40(341)x=8(342)x=7(343)x=18(344)x=3(345)x=4(346)x=9(347)x=11(348)x=30(349)x=1.4(350)x=66(351)x=7(352)x=17.6(353)x=18(354)x=4.2(355)x=8.6(356)x=12(357)x=13(358)x=25(359)x=9(360)x=24(361)x=2(362)x=4(363)x=0.6(364)x=16(365)x=10(366)x=10(367)x=38(368)x=3.2(369)x=24(370)x=2.4(371)x=12(372)x=24(373)x=3(374)x=6(375)x=28(376)x=10(377)x=44(378)x=16(379)x=10(380)x=8(381)x=5(382)x=3(383)x=71(384)x=2.1(385)x=2(386)x=15(387)x=52(388)x=2(389)x=44(390)x=6(391)x=12(392)x=15(393)x=0.2(394