五年級數(shù)學(xué)(方程)習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)習(xí)題及答案匯編(1)8.4-0.3x=2.7(2)9.8x+3.4x+0.5=106.1(3)9.9x÷11=1.8(4)4x+7×0.3=10.5(5)144+2x=294(6)3x+5x+19=99(7)6.1x+1.9x-2.6=125.4(8)14.3+19x=23.8(9)1.7x+0.7x=122.4(10)5(4x-15)=125(11)3x=102(12)(6x-33)÷3=27(13)11x+3x-3=109(14)78x-70x+1.6=8.8(15)0.2x+2.5=9.9(16)40x+45=165(17)2.2x+7.4x+2.9=98.9(18)5(10x-31)=95(19)5.1x-4.4x+0.6=4.1(20)9x-34×2=85(21)19.1+2x=22.1(22)10x+5x+30=285(23)29(0.3x-5.5)=49.3(24)74x+27x-4.1=16.1(25)0.2x-1.9=15.1(26)(6.5x+7.2)÷33=1.4(27)0.9x-1×4=3.2(28)(0.7x+9.1)÷7=2.5(29)2(14x+4)=120(30)6x+13x+3=98(31)7.4+2.3x=18.9(32)55+x=66(33)5x÷3=1.5(34)6.8x-4.2x-1.2=14.4(35)10x-3x=91(36)14x-15×0.8=2(37)2x-3×1.1=1.9(38)30x÷20=9(39)5.5-x=1.2(40)1x+0.7×5=17.5(41)25x-2.6=4.9(42)9x-2.6x-4.5=40.3(43)4x-31=141(44)2x=180(45)6.3+x=8.1(46)20(0.2x-3.4)=32(47)(12x-6)÷6=7(48)6x=36(49)175-17x=90(50)(8x-44)÷10=14(51)9.4+0.2x=14.2(52)20x-53=127(53)4(x+13)=172(54)155-2x=59(55)31-x=14(56)5.7x-2.7x-1.1=4.9(57)15x-5x-2=88(58)9.4+3.7x=27.9(59)2(15x-16)=148(60)x-10=89(61)8x÷32=0.5(62)3(x+2)=150(63)(7.2x-8.4)÷12=2.3(64)1.4x+1.5x+0.7=189.2(65)1x+5.7x-3.9=16.2(66)x÷13=11(67)81-x=62(68)4x÷92=0.2(69)6x÷12=0.4(70)165-5x=135(71)2(0.4x+3.1)=27(72)18x-13x+3.5=30.5(73)3x-5×15=99(74)(6x-18)÷3=52(75)51x-14x-1.9=31.4(76)62x=12.4(77)32x+18x-2.7=112.3(78)7x+4x=110(79)19+65x=214(80)82x-59x-1=24.3(81)136÷x=2(82)0.2x-2.4=15.2(83)(17x-46)÷6=32(84)0.5x+3.8=5.8(85)52x+63x+0.6=150.1(86)0.4x-3.9=6.1(87)14x-3x=55(88)24-x=11(89)6x+4.9=8.5(90)(2.1x+3)÷3=12.2(91)5x-2x+14=131(92)1.4+2x=20.2(93)x+88=100(94)12.4÷x=0.2(95)x+4.9=8.8(96)2+x=7.4(97)4.6+0.2x=8.8(98)x÷19=0.3(99)42+x=75(100)5x-8×1.1=5.7(101)8x+3.1=5.5(102)9.2x+1.4x-2.4=18.8(103)4.6x-3.2x+3.3=18.7(104)7.5x+9x-4.7=28.3(105)x+7.7=12(106)78-x=28(107)14x÷56=2(108)37x+19x-1.2=94(109)x÷4=22(110)x-65=23(111)33x+99x+3.1=135.1(112)0.2x+0.4×48=22.6(113)8x-39×0.2=10.6(114)3x+2x+11=296(115)x+4=6.8(116)9.1+16x=20.3(117)(0.3x+7.8)÷12=0.8(118)6.7+90x=24.7(119)6.7x+5.2x+0.3=95.5(120)17x-8x+2.8=23.5(121)15x-3×58=21(122)86x-73x+4.5=16.2(123)6-6x=3(124)x+72=111(125)32x+78x-4.2=39.8(126)(3x-43)÷4=8(127)3x+1.3=7.3(128)31-3x=16(129)19x-11x+13=37(130)1.4x÷21=0.4(131)49x-48=148(132)(8x+24)÷8=23(133)32x-24x+3.4=21.8(134)2x+4.5=15.9(135)15x-9×5=90(136)2x=12.4(137)7x+4×1.5=11.6(138)80-x=66(139)124+4x=308(140)3(0.5x-1.4)=37.8(141)x-2.8=4.5(142)6(1.6x+1.3)=27(143)2.7x=18.9(144)(2.6x-6)÷4=6.3(145)2.5x+3.4×4=33.6(146)6(0.4x+1.7)=48.6(147)12x-7x=20(148)(1.6x-3.4)÷10=1.1(149)17-2.3x=5.5(150)2x+53=191(151)13x-4x=18(152)10x-3x=126(153)53+x=74(154)9.8x-0.6x+1.6=38.4(155)14x+1.2=20.8(156)2(5.3x+2.8)=26.8(157)13(x-5)=195(158)(7x+32)÷3=34(159)74x-27x-3.1=29.8(160)15x+10x+28=153(161)0.2x+3.7x=50.7(162)14x-2.5=10.1(163)70x-42x-3.9=7.3(164)x+12=20(165)1.2x+3.7=8.5(166)5x-3.5=11.5(167)71-x=23(168)5x+2×55=200(169)x-40=12(170)8.3+7x=19.5(171)x÷3=36(172)5.6-x=5(173)11x-2.1=7.8(174)8x=168(175)11.6-5.1x=1.4(176)11x+16×10=336(177)50÷x=2(178)2(x-7.8)=12.4(179)3x-2×29=83(180)11x+19x-15=285(181)51x+53x-4.2=131(182)5.7-x=1.5(183)14(2x+4)=168(184)2x+38×5=268(185)49x-32x-1.3=3.8(186)3+x=48(187)1.4x+5.5x=34.5(188)19x+5x=72(189)9÷x=4.5(190)0.9x÷6=1.8(191)42x÷7=1.2(192)27x+1.3=17.5(193)65+x=91(194)11(x-16)=176(195)181-6x=127(196)6(0.2x-0.7)=17.4(197)4x=64(198)4.3+53x=14.9(199)10x+14x-18=270(200)13x-5×4=32(201)x÷6=25(202)x÷70=0.2(203)x-1.7=2.6(204)25x-4.2=5.8(205)x-7.1=1.8(206)(10x-10)÷12=15(207)8x=13.6(208)37+35x=142(209)17x+11x-34=134(210)4x+33×2=202(211)1x÷8=2.5(212)27x-30=159(213)50x+63x-3.5=41.7(214)1+0.4x=15.8(215)0.5x-1×5=13.5(216)(3.8x+3.9)÷23=0.5(217)92-x=74(218)10x÷15=1.2(219)2x=11.4(220)2.1x-1.9x-4.5=1.9(221)2.1x-0.2x-2=17(222)7.8x+5.3x+0.8=27(223)16.9-31x=1.4(224)18x+2.7=13.5(225)x-1.4=5.4(226)x+55=66(227)3(0.5x-0.3)=24.6(228)9.9x-7.8x=6.3(229)0.5x-0.8×18=5.6(230)52÷x=26(231)3.5x-1.2x=50.6(232)5.8x-0.3x+4.2=15.2(233)82x÷4=41(234)1.7+0.3x=11(235)28x-16x-3.4=32.6(236)4x÷28=2(237)6.3÷x=0.7(238)5(9x-4)=160(239)2.1x+5.5x-0.4=37.6(240)x+98=134(241)x-0.5=5.4(242)2x=13.8(243)11x-41=113(244)7.5÷x=0.5(245)2(7.2x-8.8)=40(246)79x-56x-4.1=5.1(247)2x-2=10(248)x÷7=20(249)x-8=79(250)x-41=54(251)3x-2=5.5(252)1x+0.4×46=34.4(253)2(4x+6.2)=44.4(254)0.8x-0.2×46=3.6(255)(9x+42)÷3=23(256)2(9x-22)=118(257)11x-8x+2=53(258)8.7+x=11.9(259)15x-11x+21=37(260)0.4x+1×8=21.2(261)x+60=150(262)2(3x+48)=144(263)188÷x=4(264)2x+5.2=15.6(265)6.6x+9x-1.8=29.4(266)2.4x+7.3x-1.4=47.1(267)(2x+24)÷5=12(268)18x-5x-10=16(269)5.3+x=8.4(270)(5x+7)÷2=36(271)0.9x÷12=0.3(272)9x-5x+48=100(273)4(0.5x+6.5)=34(274)(5.6x+1)÷5=5.8(275)4x+2×1.8=9.2(276)9x+10×15=330(277)(6.6x-4.7)÷7=3.1(278)10x+7x+11=317(279)23x+35×0.2=18.5(280)10+x=28(281)0.5x+2×10=34.5(282)x÷21=0.9(283)(4.7x-5)÷30=1.4(284)4x-2x-5=65(285)9.4x-6.5x=26.1(286)4x-6×1.1=10.6(287)4.8x-2.9x=22.8(288)183-22x=95(289)3(1.4x-9)=36(290)6x-2×20=44(291)6x-3x-28=65(292)8x-2x+37=97(293)0.4x+0.7x+2.1=105.5(294)3.8x-2.5x=9.1(295)81+11x=125(296)23x+2×30=221(297)6.5-x=1.5(298)x+6.7=13.1(299)x+5.3=9.8(300)20x-13x-2.3=26.4(301)4x+76x-0.7=63.3(302)2x÷30=4(303)20x+2x+3.2=36.2(304)0.6x-3.5=3.7(305)(16x-36)÷9=12(306)9x-3x-48=18(307)1x-3.1=9.9(308)25+x=48(309)8.4-x=6.5(310)65-2x=57(311)x+6.5=7.7(312)0.2x=1.4(313)13-1.1x=6.4(314)0.6x+2.6x-3.7=82.7(315)10x=10(316)4.9x-0.2x+3=64.1(317)2x+4x+38=200(318)x÷23=7(319)(5.5x-9.5)÷5=5.8(320)x+1.8=9.9(321)0.2x-1.6=7.6(322)3.4x-1.3x-4.6=10.1(323)14.7÷x=4.9(324)5x+10×1.8=30.5(325)37x=185(326)2x+49=167(327)19x-6x+47=73(328)(4.4x+2)÷6=12.8(329)x÷3=0.8(330)2x+43=243(331)156+51x=309(332)9x+8x=238(333)20x÷4=3.5(334)4x+0.8x=110.4(335)2.5x-1.2×5=4(336)x÷9=0.3(337)x-27=20(338)15x-8x-30=40(339)x+85=141(340)9.2+14x=17.6(341)19x+5x=96(342)44x+3x+1=19.8(343)13x=2.6(344)9.4-x=7.8(345)6(2x+4)=144(346)x÷94=0.2(347)15x-5x-37=43(348)9.6÷x=0.3(349)6x+16x-4=62(350)7.8x+5.2x+0.9=78.9(351)0.6x=10.8(352)7x÷3=21(353)0.5x-0.4×11=3.1(354)4.1x+3.4x=142.5(355)33x÷66=0.2(356)8.6-2x=4.6(357)14x+32=60(358)4.8+x=8.2(359)159+4x=227(360)15x+19x-29=311(361)2x÷11=10(362)x-29=54(363)7x=14(364)23x+2×3.3=18.1(365)45x-25×0.5=1(366)16x-5x=44(367)10x+13x+27=234(368)27x+58×2=224(369)x-69=29(370)14x-11x=24(371)96-x=26(372)14.6-12x=2.6(373)76x+18x+1.7=86.3(374)(6.3x-6.5)÷5=17.6(375)16.7-2x=8.1(376)0.4x+2.4×4=20(377)1.6x+7x-2.7=109.1(378)0.6x÷26=0.3(379)(14x+8)÷8=8(380)129+34x=265(381)x+78=80(382)6(2x+7)=102(383)67x-25x+1=13.6(384)14x+3x=34(385)4(9x-22)=92(386)x÷26=7(387)2.9x=8.7(388)19-0.3x=7.3(389)x-4.5=4.4(390)1.4x+1.5=16.9(391)2.7x+7.5x+4.5=75.9(392)7x+8x=240(393)24x+1.2=6(394)0.9x-2.9=8.8(395)19x=190(396)35x-3×1.6=5.7(397)(6x+40)÷10=10(398)78-x=13(399)7.7x-5.9x+1=11.8(400)2x-0.4x=28.8(401)192÷x=6(402)42x+27x-0.9=81.9(403)3.6x÷16=0.9(404)16x+14x-32=88(405)62x+23x+1.4=137.4(406)140-28x=84(407)15x-10x+30=45(408)3.1-x=1.1(409)8.1+x=13.8(410)14x=182(411)11x-39=71(412)5.5+2x=19.7(413)16x+22x+4.1=76.3(414)13x+12x+11=386(415)16.4-2.2x=5.4(416)20x-12×3=164(417)33x-3×0.9=17.1(418)7.3+x=10.7(419)99-3x=54(420)15.3-0.8x=1.7(421)123+11x=222(422)2x-46=118(423)1.6x=4.8(424)168÷x=24(425)70x-5x+1.3=79.3(426)2(0.9x+4.9)=26(427)8x+10=42(428)x÷44=0.2(429)5x+10×0.4=17.5(430)x-1.1=7.8(431)(5x+30)÷5=9(432)3.7-x=2.8(433)86x-77x+0.4=9.4(434)x÷5=31(435)12.2-42x=3.8(436)x-7.3=2.5(437)19x-12x+47=117(438)0.5x+1.3=5.3(439)0.3x+1.3×11=27.2(440)0.6x+3.1=18.7(441)0.9x+0.8×6=20.1(442)6.5-3x=2.6(443)3.8x+3x=61.2(444)64x÷6=32(445)7.5x-6.3x-4.5=9.9(446)6.1-x=1.4(447)7x+5×14=98(448)42x÷6=1.4(449)6.6÷x=0.2(450)(9.4x-7.8)÷9=5.4(451)(5x-34)÷27=3(452)x÷10=1.6(453)1.4x+6.5x+1.4=56.7(454)x+1.5=8.7(455)55x=110(456)0.7x=9.8(457)5.5x-0.8x+0.8=61.9(458)16(x-1.4)=25.6(459)(1.5x+0.7)÷29=0.8(460)2(9x+3)=60(461)0.4x-2.2×5=4.6(462)61x+39x+1.8=141.8(463)9.6x-8.7x+4.9=8.5(464)7.8÷x=2.6(465)3x+2x-18=212(466)7.8x-7.2x=5.4(467)18x-4x+4.5=47.9(468)x-41=45(469)8x+5x=156(470)11.4-5x=10.4(471)x÷14=0.9(472)9.4x-6.4x-4.1=22.9(473)x+76=111(474)15x+12×1.6=23.7(475)6x-4x=30(476)1x+1.7x=145.8(477)4x-51=97(478)18.4-2x=13.8(479)18x-13x=10(480)15÷x=1(481)6.9x-1.5x=59.4(482)8.2x-7.2x+2.6=5.6(483)5x+48=218(484)6.1x+2=14.2(485)192÷x=3(486)0.2x-5.3=1.7(487)7.4+1.8x=16.4(488)x-3.2=1.6(489)108÷x=6(490)13x-3x-6=34(491)2.4+2.4x=9.6(492)6(0.8x+2.8)=40.8(493)12x+6x=126(494)5x+19×6=184(495)14x+8x=132(496)39x-9×0.3=9(497)2.2+x=3.9(498)2x=11(499)5.8x+5.6x=45.6(500)53x+32=138(501)92x+53x+4.9=91.9(502)8.2x-1.5x-0.4=53.2(503)6(10x-36)=144(504)2(2x+5.3)=22.6(505)51+x=53(506)27x+48x-3.3=71.7(507)1.7x-1.3x=15.2(508)x÷3=44(509)13x+36=218(510)2.7x-1.2×2=8.4(511)24x=16.8(512)15.1-3x=3.1(513)34+x=46(514)6.6+x=10.5(515)5.5+0.8x=14.3(516)33x-33=33(517)11x+18x-4=286(518)33x+5.3=25.1(519)3x-4.7=3.4(520)(x+47)÷49=1(521)15.6-0.9x=13.8(522)52x÷26=4(523)4x÷12=0.2(524)27x-7×6=39(525)7x-2.8=8.4(526)1.1x=7.7(527)17x-7x-36=44(528)0.3x-5.4=5.1(529)0.6x-0.5×11=10.7(530)108÷x=4(531)(0.4x+3.9)÷3=2.9(532)7x+6x=130(533)62x-35x-4.9=32.9(534)2(x+29)=142(535)5x+9×1.4=17.6(536)x+8.1=14.2(537)0.2x+2.7=13.1(538)(4.6x-6.7)÷13=0.9(539)1.1x=16.5(540)2.2x÷66=0.3參考答案(1)x=19(2)x=8(3)x=2(4)x=2.1(5)x=75(6)x=10(7)x=16(8)x=0.5(9)x=51(10)x=10(11)x=34(12)x=19(13)x=8(14)x=0.9(15)x=37(16)x=3(17)x=10(18)x=5(19)x=5(20)x=17(21)x=1.5(22)x=17(23)x=24(24)x=0.2(25)x=85(26)x=6(27)x=8(28)x=12(29)x=4(30)x=5(31)x=5(32)x=11(33)x=0.9(34)x=6(35)x=13(36)x=1(37)x=2.6(38)x=6(39)x=4.3(40)x=14(41)x=0.3(42)x=7(43)x=43(44)x=90(45)x=1.8(46)x=25(47)x=4(48)x=6(49)x=5(50)x=23(51)x=24(52)x=9(53)x=30(54)x=48(55)x=17(56)x=2(57)x=9(58)x=5(59)x=6(60)x=99(61)x=2(62)x=48(63)x=5(64)x=65(65)x=3(66)x=143(67)x=19(68)x=4.6(69)x=0.8(70)x=6(71)x=26(72)x=5.4(73)x=58(74)x=29(75)x=0.9(76)x=0.2(77)x=2.3(78)x=10(79)x=3(80)x=1.1(81)x=68(82)x=88(83)x=14(84)x=4(85)x=1.3(86)x=25(87)x=5(88)x=13(89)x=0.6(90)x=16(91)x=39(92)x=9.4(93)x=12(94)x=62(95)x=3.9(96)x=5.4(97)x=21(98)x=5.7(99)x=33(100)x=2.9(101)x=0.3(102)x=2(103)x=11(104)x=2(105)x=4.3(106)x=50(107)x=8(108)x=1.7(109)x=88(110)x=88(111)x=1(112)x=17(113)x=2.3(114)x=57(115)x=2.8(116)x=0.7(117)x=6(118)x=0.2(119)x=8(120)x=2.3(121)x=13(122)x=0.9(123)x=0.5(124)x=39(125)x=0.4(126)x=25(127)x=2(128)x=5(129)x=3(130)x=6(131)x=4(132)x=20(133)x=2.3(134)x=5.7(135)x=9(136)x=6.2(137)x=0.8(138)x=14(139)x=46(140)x=28(141)x=7.3(142)x=2(143)x=7(144)x=12(145)x=8(146)x=16(147)x=4(148)x=9(149)x=5(150)x=69(151)x=2(152)x=18(153)x=21(154)x=4(155)x=1.4(156)x=2(157)x=20(158)x=10(159)x=0.7(160)x=5(161)x=13(162)x=0.9(163)x=0.4(164)x=8(165)x=4(166)x=3(167)x=48(168)x=18(169)x=52(170)x=1.6(171)x=108(172)x=0.6(173)x=0.9(174)x=21(175)x=2(176)x=16(177)x=25(178)x=14(179)x=47(180)x=10(181)x=1.3(182)x=4.2(183)x=4(184)x=39(185)x=0.3(186)x=45(187)x=5(188)x=3(189)x=2(190)x=12(191)x=0.2(192)x=0.6(193)x=26(194)x=32(195)x=9(196)x=18(197)x=16(198)x=0.2(199)x=12(200)x=4(201)x=150(202)x=14(203)x=4.3(204)x=0.4(205)x=8.9(206)x=19(207)x=1.7(208)x=3(209)x=6(210)x=34(211)x=20(212)x=7(213)x=0.4(214)x=37(215)x=37(216)x=2(217)x=18(218)x=1.8(219)x=5.7(220)x=32(221)x=10(222)x=2(223)x=0.5(224)x=0.6(225)x=6.8(226)x=11(227)x=17(228)x=3(229)x=40(230)x=2(231)x=22(232)x=2(233)x=2(234)x=31(235)x=3(236)x=14(237)x=9(238)x=4(239)x=5(240)x=36(241)x=5.9(242)x=6.9(243)x=14(244)x=15(245)x=4(246)x=0.4(247)x=6(248)x=140(249)x=87(250)x=95(251)x=2.5(252)x=16(253)x=4(254)x=16(255)x=3(256)x=9(257)x=17(258)x=3.2(259)x=4(260)x=33(261)x=90(262)x=8(263)x=47(264)x=5.2(265)x=2(266)x=5(267)x=18(268)x=2(269)x=3.1(270)x=13(271)x=4(272)x=13(273)x=4(274)x=5(275)x=1.4(276)x=20(277)x=4(278)x=18(279)x=0.5(280)x=18(281)x=29(282)x=18.9(283)x=10(284)x=35(285)x=9(286)x=4.3(287)x=12(288)x=4(289)x=15(290)x=14(291)x=31(292)x=10(293)x=94(294)x=7(295)x=4(296)x=7(297)x=5(298)x=6.4(299)x=4.5(300)x=4.1(301)x=0.8(302)x=60(303)x=1.5(304)x=12(305)x=9(306)x=11(307)x=13(308)x=23(309)x=1.9(310)x=4(311)x=1.2(312)x=7(313)x=6(314)x=27(315)x=1(316)x=13(317)x=27(318)x=161(319)x=7(320)x=8.1(321)x=46(322)x=7(323)x=3(324)x=2.5(325)x=5(326)x=59(327)x=2(328)x=17(329)x=2.4(330)x=100(331)x=3(332)x=14(333)x=0.7(334)x=23(335)x=4(336)x=2.7(337)x=47(338)x=10(339)x=56(340)x=0.6(341)x=4(342)x=0.4(343)x=0.2(344)x=1.6(345)x=10(346)x=18.8(347)x=8(348)x=32(349)x=3(350)x=6(351)x=18(352)x=9(353)x=15(354)x=19(355)x=0.4(356)x=2(357)x=2(358)x=3.4(359)x=17(360)x=10(361)x=55(362)x=83(363)x=2(364)x=0.5(365)x=0.3(366)x=4(367)x=9(368)x=4(369)x=98(370)x=8(371)x=70(372)x=1(373)x=0.9(374)x=15(375)x=4.3(376)x=26(377)x=13(378)x=13(379)x=4(380)x=4(381)x=2(382)x=5(383)x=0.3(384)x=2(385)x=5(386)x=182(387)x=3(388)x=39(389)x=8.9(390)x=11(391)x=7(392)x=16(393)x=0.2