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)(12x-18)÷9=10(2)2x+0.8×5=24(3)(4x-30)÷46=1(4)89x-44x+4.6=18.1(5)35x+15×1.1=27(6)4x÷2=30(7)5x+3×1.6=8.3(8)84x-37x-4.9=42.1(9)8(9x-13)=112(10)1.2x÷15=0.8(11)(2.9x+9.5)÷3=8(12)2x÷12=0.5(13)10x-7x+8=59(14)x+47=139(15)6.3÷x=0.9(16)11x+9x-14=346(17)10x-2x+1.1=66.7(18)124-2x=20(19)92-x=44(20)6x+4x+2.3=27.3(21)3.7x-3.4x-0.7=7.4(22)18.6-51x=3.3(23)63x-37x+0.3=36.7(24)5.9+x=8.5(25)(16x-8)÷8=23(26)7.8-x=4.3(27)(4x+43)÷45=3(28)11x+2x=169(29)74+31x=167(30)18x-5x+23=101(31)11x-3×12=162(32)4x÷5=0.8(33)5.1x-0.7x-1=69.4(34)17.4-0.2x=12.6(35)15+3.5x=25.5(36)7x+2x=90(37)0.3x+0.8×19=26(38)5x-4.5=14(39)0.5x+0.9×14=30.1(40)2x÷4=1.4(41)(8.1x-3.2)÷11=5.6(42)15.6-1.1x=13.4(43)27(1.9x-8.1)=37.8(44)71x+52x+2.6=162.5(45)10x-2x+46=150(46)8(0.3x-1.7)=29.6(47)x-51=28(48)33x-18x+1.3=17.8(49)11÷x=0.5(50)82-x=73(51)0.4x+1.5x+2.9=46.6(52)17x-12×0.3=10(53)11(2x-46)=198(54)x÷34=0.4(55)13x-4x-28=53(56)7(7x-39)=119(57)5x+44=69(58)78+x=133(59)2(0.6x+1.5)=46.2(60)2x=14(61)2x÷10=1.1(62)2.7x-1.6x=39.6(63)4(3x+2)=80(64)0.3x+1.9=16.9(65)x-64=27(66)4.8x-1.9x-0.5=11.1(67)6x+5.3=17.9(68)9(1.4x-7.2)=10.8(69)3.1x+0.8x=19.5(70)6x-4.4=14.8(71)50x÷5=2(72)x÷3=13(73)x-5.4=2.3(74)15+x=78(75)1.4x+8.9x+1.6=114.9(76)8.2x+5.4x=122.4(77)1.4x-0.2×13=10(78)31x-13x-1.6=34.4(79)16.3-71x=2.1(80)(2.3x-6.2)÷3=1(81)0.2x+5.1=24.9(82)3x+5×0.7=14.6(83)34x-30=140(84)16x-5×28=20(85)16.8÷x=2.4(86)5.7x-4.2x-4.2=3.3(87)7.4x+6.2x+4=153.6(88)16x-10x+3=57(89)5x-13×0.9=6.3(90)123-17x=38(91)x+1.8=9.5(92)19x-6x-24=28(93)64x-41x+1.5=31.4(94)7x+1.2=20.8(95)7x+65×3=223(96)15x+98x-1.8=77.3(97)3x-10×13=59(98)4(5x-16)=176(99)x-31=16(100)5(0.2x+3.3)=29.5(101)x-19=33(102)8.1x=16.2(103)28x+36x+3.5=93.1(104)3.2x-5.1=1.3(105)x+81=115(106)12+x=27(107)27x+57x-3.7=38.3(108)85x=170(109)6(1.5x+1.6)=45.6(110)x-2.7=6.5(111)54x+92x-0.7=72.3(112)3x+13x-2.2=103.4(113)17x+3x+27=227(114)5x-2×4.4=10.2(115)9.4-x=3.9(116)24x+4=8.8(117)11.1-7x=4.1(118)x+6.9=9.2(119)4.3x-3.5=9.4(120)19.5-0.6x=12.9(121)33x+59=125(122)0.2x=11.4(123)1.7x=10.2(124)8.8x-4.7x=45.1(125)15x-8x-10=60(126)1.9x+5.2x+4.7=68.6(127)45x-17x-3.6=13.2(128)18x-11x=28(129)(9.3x-3.1)÷31=2(130)7x+4.1=14.6(131)(2.4x+9.9)÷3=13.7(132)15x+41x+4.7=43.9(133)19.2-0.4x=3.6(134)9.4-x=5.9(135)16.7-19x=3.4(136)17.2-0.2x=5.6(137)(15x+36)÷9=24(138)15.6÷x=0.4(139)0.2x=7(140)25x-50=150(141)6x+5.8=22(142)x÷22=6(143)4x+2.1=16.1(144)2.4x-2.1x-2.1=5.7(145)8x÷3=1.6(146)5.2x-4.6x+2.8=4(147)87-x=29(148)78-x=48(149)68x-20x-0.9=47.1(150)20÷x=10(151)5.3-0.8x=2.1(152)40x+9x+3=32.4(153)14x+5x=38(154)18x+5.5=21.7(155)x÷6=0.7(156)1x+5.9x=55.2(157)9x+19x=168(158)6.9x-2.8x=36.9(159)0.7x=3.5(160)0.6x+0.5×38=20.2(161)x+6.3=11.4(162)5.2+x=7.8(163)11(2x+4)=154(164)3(20x-23)=111(165)43x+13×0.8=23.3(166)2(6.1x+4.9)=34.2(167)10+2.4x=29.2(168)75x-63x-1=2.6(169)42÷x=7(170)x÷20=4(171)(11x-37)÷41=5(172)13x-4x+27=72(173)8x-5x=66(174)8.2x-5.6=10.8(175)7(0.2x-5.4)=26.6(176)77÷x=7(177)5x+1.2x-0.5=36.7(178)3.8+6x=9.8(179)x+97=169(180)4(2.6x+3.7)=35.6(181)4.7x+5.1x=166.6(182)31x+16=78(183)8x-6x=20(184)x+39=103(185)70x-14x-1.9=54.1(186)137-7x=53(187)x-21=59(188)8.1x+3.7x-0.6=70.2(189)5x÷20=8(190)126-5x=56(191)6.3x-4.8x=3(192)5.7+x=13.6(193)6x+9x=195(194)2.8x+6.6x+4.3=107.7(195)12x-6x-33=63(196)5.9x-2.2x-1.4=17.1(197)2.6x=10.4(198)3x+4x+37=198(199)9x÷66=3(200)168÷x=3(201)(7.8x+0.2)÷5=9.4(202)16.5+3x=20.4(203)4x-3.9=4.5(204)9.4x-2.1x=43.8(205)3(4x-36)=108(206)11.2+2x=16(207)1.9x+2.1=21.1(208)(10x+40)÷3=60(209)4.7x-4.3x+2.6=5.4(210)15.7+1.5x=30.7(211)144÷x=4(212)7.3+x=13.5(213)2.6x+2.8x-2.4=13.8(214)4x+10x+5=89(215)1.5x+2.3×8=28.9(216)17x-53=117(217)2(0.7x+4.5)=30(218)26x÷78=2(219)5.1÷x=1.7(220)5x-3.6=15.4(221)13x+5x-16=56(222)(18x-18)÷4=27(223)29x÷58=3(224)0.2x÷9=0.6(225)0.4x+1.5=15.9(226)(11x+45)÷2=149(227)9x+15×8=273(228)46x=9.2(229)17.5-14x=10.5(230)0.9x+2.2x-2=35.2(231)2x-30×2=32(232)13x+57x-1.6=110.4(233)(5.9x+2.4)÷26=1(234)2x-31=81(235)9x=171(236)(2.1x-1.8)÷3=9.2(237)18.8-49x=9(238)42x÷7=2.4(239)32x=128(240)2.1x-5.9=8.8(241)3.4+4x=23(242)x+41=55(243)6(2x+25)=186(244)2(6.1x-7.5)=33.8(245)(5.3x-0.6)÷5=2(246)7.6-x=3(247)18x+3x-9=159(248)16.1-9x=5.3(249)x-1.3=2.9(250)5.8x+2.4x=57.4(251)2x-18=68(252)15x-12x-14=16(253)1.3x-0.7×9=4.1(254)8x+96x-3.9=100.1(255)8x-6x+12=54(256)170-2x=152(257)5x=110(258)(9x+5)÷5=28(259)0.8x-1.2=9.2(260)3x-3×1=9.3(261)17x+10=78(262)1.7-x=1.2(263)8x-4x=60(264)30x÷90=2(265)14x-8x-40=14(266)18.3-0.3x=15.3(267)56÷x=14(268)1x+6.7x+2.4=110.2(269)3x+2.1=17.4(270)x÷12=14(271)43+x=76(272)0.3x+0.5x=58.4(273)11x+8x+9=47(274)x+40=129(275)8x-5.5x-0.8=4.2(276)18.3+0.2x=20.9(277)19x+11x+49=109(278)12x÷9=4(279)(1.5x-0.3)÷36=0.7(280)14.3÷x=1.3(281)12x÷5=36(282)141+2x=155(283)89+x=101(284)2x=186(285)14(0.3x+0.6)=16.8(286)0.4x+4.2=8.6(287)0.4x÷10=1.8(288)80+4x=228(289)32x+19x+2.7=104.7(290)5.7x-0.3x+1.8=93.6(291)2.5+x=7.7(292)64-x=10(293)25x-3.2=9.3(294)5x+16x=252(295)0.6x÷60=0.3(296)0.6x+0.2×44=25(297)4.8x-0.8x=8(298)8.5x-0.2x+3.7=61.8(299)164-3x=47(300)82x+83x-4.5=78(301)3(2x+5)=81(302)x-4.6=3.3(303)7x+4×1.1=7.2(304)6(0.3x-0.6)=23.4(305)x÷5=2.2(306)34x=102(307)11.3+9x=22.1(308)x÷21=0.8(309)1.9x+1.2×9=27.9(310)12x=8.4(311)13.3+2x=17.9(312)18(9x-25)=198(313)5x+2x-6=183(314)3x+38=233(315)38x+98x-0.4=26.8(316)x-65=17(317)2x+5×1.4=11.2(318)10x+20=130(319)16x-35=29(320)84+2x=134(321)x+8.2=16.6(322)2x+8.3x-4.4=57.4(323)2.3x+3.1x=64.8(324)11x-6x+38=53(325)16x-51=125(326)5(2.7x-7.6)=29.5(327)8÷x=4(328)2x+18×8=222(329)2x+3.9=5.3(330)6.2+x=11.2(331)75+3x=267(332)x÷24=2(333)4.8x+3.8x+0.6=78(334)10x+3x-21=44(335)3(2x+5)=105(336)47x-4.1=10(337)2.5x+4.8=24.8(338)99x-48x-2.5=48.5(339)(17x-22)÷4=54(340)4x+3x-45=200(341)x÷17=1(342)0.7x+0.3×24=20.5(343)(10x-14)÷29=4(344)8+x=88(345)0.2x-3.3=7.1(346)7x-4x=45(347)0.3x-5.1=5.1(348)9.9-x=9.1(349)193+6x=217(350)18x+7x-18=257(351)4.2x-0.3×22=10.2(352)8.1x-2.9x=31.2(353)52x+58=214(354)23x+31x+0.5=119.3(355)17.9+2x=33.9(356)183-8x=23(357)x+14=76(358)0.7x+1.3=13.2(359)29x+26×6=301(360)168+2x=220(361)4x-1.1×4=11.6(362)1.1x+0.7×15=14.9(363)x-59=26(364)3x-13×10=23(365)18x-2.1=17.7(366)18.1-8x=10.1(367)7.8x+2=17.6(368)2.6x-0.7x+2.6=38.7(369)17.8+30x=23.8(370)13x+18x-9=239(371)45+x=111(372)2.8x÷98=0.2(373)1.2x-0.5×2=5(374)0.7+x=8.3(375)x÷9=20(376)x+5.2=10.7(377)5.8x-3.5x+4=22.4(378)x+8.1=15.8(379)42x-3x+3.9=39(380)5(3x+19)=200(381)0.3x-1.4×2=11(382)12.6÷x=2.1(383)84x+42x+2.4=65.4(384)19.8÷x=0.6(385)14.3-0.4x=9.5(386)2x÷3=3(387)x÷6=1.6(388)4x+2×4.7=22.2(389)62-x=36(390)99x-14x+2.6=79.1(391)(2.4x+5.8)÷2=17.3(392)0.3x-1×4=2(393)2+0.3x=9.8(394)29-x=19(395)x÷23=0.5(396)0.8x=4(397)2x+6x+4=236(398)7.8x-4.5x=23.1(399)x-19=20(400)x+49=55(401)3.2x+7.3x-0.5=136(402)88x-46=130(403)7x+3x=170(404)2x=11.2(405)7.6-x=7(406)19x-9x-9=21(407)0.4x=6(408)3.8x-1×13=2.2(409)8x-39×0.3=6.7(410)2.5+4x=10.5(411)37x-21x-2.1=23.5(412)9(0.6x+1.6)=36(413)7.3x+2.8x=80.8(414)49x-3×1=6.8(415)x÷24=5(416)31x-3.7=14.9(417)30x-20x-3.5=11.5(418)2x+24=144(419)5x+5×3.6=19(420)3x+53=209(421)4.3x-2.5x-1.5=16.5(422)3x-9×11=51(423)(5x-5.7)÷29=1.7(424)55-x=17(425)18.3+0.2x=27.1(426)12x÷21=0.8(427)2x+20×7=188(428)0.7x-5.5=9.9(429)8.6+2x=10.4(430)x÷35=0.3(431)4x+0.2x+4.9=38.5(432)x+6=13.7(433)(1.8x-7.8)÷29=0.6(434)78x-31x+3=31.2(435)13x=182(436)89+x=166(437)4(x+37)=164(438)95x+59x+1.2=109(439)7.8+2x=20.6(440)x+5.5=9.6(441)150-3x=141(442)14x+21×0.8=21(443)5.8x-3.7x=8.4(444)8x-4x-13=71(445)12x-41=103(446)10x-1.7=8.3(447)2x-0.8×14=4.8(448)2(13x+9)=174(449)3x+4x+24=290(450)20x-5×0.7=6.5(451)30x=9(452)36x=7.2(453)2x+3×16=176(454)4x+16x+46=186(455)7(2x+13)=161(456)9.2x-1.9x+0.6=15.2(457)5x+6×23=278(458)12.2-2x=7.4(459)x-4.4=3.9(460)(1.4x+6.2)÷4=4.7(461)5x-2x+16=85(462)35x-15x+2.1=42.1(463)2x+14×13=222(464)5x=55(465)3x+1.8=19.8(466)48x-4×1.6=3.2(467)(17x+43)÷13=19(468)42x÷9=14(469)80x+58x-3.2=52(470)4(2x-29)=180(471)0.6x÷3=1.4(472)6.8-x=3.7(473)3x+12×4=132(474)4x=8(475)6x+19x+4=54(476)x+52=146(477)60÷x=3(478)x-6.3=1.2(479)22(0.4x-9.2)=44(480)14x-6×16=72(481)6.1x-5.3x+4.3=13.9(482)19x-2x=153(483)6x-4×1.2=3.6(484)(6.9x+6.6)÷6=8(485)134-3x=101(486)6.3+x=13.9(487)x÷3=4.9(488)(14x+18)÷6=24(489)x+0.4=4.3(490)(14x+7)÷3=35(491)77-x=36(492)6x-2x+12=60(493)84÷x=42(494)9x-15×2=33(495)10.3-0.2x=3.5(496)(4.5x+6.9)÷6=3.4(497)19+x=66(498)x÷8=18(499)x-5.5=3.6(500)0.4x-1.7=14.3(501)1.1x+1.9x-2.4=69.6(502)6.7x-1.4x+3.4=72.3(503)2(28x-45)=22(504)3x+4x=56(505)2.7x=18.9(506)1.5x-0.3x-2=37.6(507)18x-15x=12(508)11x=4.4(509)3.6-x=1.1(510)15x+11x=104(511)x÷8=23(512)(18x-18)÷2=72(513)16x-13x=36(514)185+18x=329(515)2x=1.6(516)2(0.5x+6.6)=44.2(517)(6.8x+2.9)÷11=8.3(518)24(3.9x-6)=43.2(519)1x÷30=0.4(520)x-0.3=3.3(521)3.4+0.5x=19.4(522)x-3.6=3(523)8x-2x=126(524)24x-2×42=12(525)x-70=19(526)6.5x+5.3x-2.1=33.3(527)0.6x÷9=1.6(528)(6.1x-9.9)÷23=0.1(529)7x+6x-30=256(530)(8x-36)÷2=54(531)7.3+x=12(532)1.2x+3.6x-3=102.6(533)2x÷3=3.4(534)18x-10x-10=30(535)4.8x+4.7x=47.5(536)106+18x=286(537)(3x+10)÷4=4(538)5x=3(539)18÷x=0.9(540)1.7x+0.5x+0.4=117參考答案(1)x=9(2)x=10(3)x=19(4)x=0.3(5)x=0.3(6)x=15(7)x=0.7(8)x=1(9)x=3(10)x=10(11)x=5(12)x=3(13)x=17(14)x=92(15)x=7(16)x=18(17)x=8.2(18)x=52(19)x=48(20)x=2.5(21)x=27(22)x=0.3(23)x=1.4(24)x=2.6(25)x=12(26)x=3.5(27)x=23(28)x=13(29)x=3(30)x=6(31)x=18(32)x=1(33)x=16(34)x=24(35)x=3(36)x=10(37)x=36(38)x=3.7(39)x=35(40)x=2.8(41)x=8(42)x=2(43)x=5(44)x=1.3(45)x=13(46)x=18(47)x=79(48)x=1.1(49)x=22(50)x=9(51)x=23(52)x=0.8(53)x=32(54)x=13.6(55)x=9(56)x=8(57)x=5(58)x=55(59)x=36(60)x=7(61)x=5.5(62)x=36(63)x=6(64)x=50(65)x=91(66)x=4(67)x=2.1(68)x=6(69)x=5(70)x=3.2(71)x=0.2(72)x=39(73)x=7.7(74)x=63(75)x=11(76)x=9(77)x=9(78)x=2(79)x=0.2(80)x=4(81)x=99(82)x=3.7(83)x=5(84)x=10(85)x=7(86)x=5(87)x=11(88)x=9(89)x=3.6(90)x=5(91)x=7.7(92)x=4(93)x=1.3(94)x=2.8(95)x=4(96)x=0.7(97)x=63(98)x=12(99)x=47(100)x=13(101)x=52(102)x=2(103)x=1.4(104)x=2(105)x=34(106)x=15(107)x=0.5(108)x=2(109)x=4(110)x=9.2(111)x=0.5(112)x=6.6(113)x=10(114)x=3.8(115)x=5.5(116)x=0.2(117)x=1(118)x=2.3(119)x=3(120)x=11(121)x=2(122)x=57(123)x=6(124)x=11(125)x=10(126)x=9(127)x=0.6(128)x=4(129)x=7(130)x=1.5(131)x=13(132)x=0.7(133)x=39(134)x=3.5(135)x=0.7(136)x=58(137)x=12(138)x=39(139)x=35(140)x=8(141)x=2.7(142)x=132(143)x=3.5(144)x=26(145)x=0.6(146)x=2(147)x=58(148)x=30(149)x=1(150)x=2(151)x=4(152)x=0.6(153)x=2(154)x=0.9(155)x=4.2(156)x=8(157)x=6(158)x=9(159)x=5(160)x=2(161)x=5.1(162)x=2.6(163)x=5(164)x=3(165)x=0.3(166)x=2(167)x=8(168)x=0.3(169)x=6(170)x=80(171)x=22(172)x=5(173)x=22(174)x=2(175)x=46(176)x=11(177)x=6(178)x=1(179)x=72(180)x=2(181)x=17(182)x=2(183)x=10(184)x=64(185)x=1(186)x=12(187)x=80(188)x=6(189)x=32(190)x=14(191)x=2(192)x=7.9(193)x=13(194)x=11(195)x=16(196)x=5(197)x=4(198)x=23(199)x=22(200)x=56(201)x=6(202)x=1.3(203)x=2.1(204)x=6(205)x=18(206)x=2.4(207)x=10(208)x=14(209)x=7(210)x=10(211)x=36(212)x=6.2(213)x=3(214)x=6(215)x=7(216)x=10(217)x=15(218)x=6(219)x=3(220)x=3.8(221)x=4(222)x=7(223)x=6(224)x=27(225)x=36(226)x=23(227)x=17(228)x=0.2(229)x=0.5(230)x=12(231)x=46(232)x=1.6(233)x=4(234)x=56(235)x=19(236)x=14(237)x=0.2(238)x=0.4(239)x=4(240)x=7(241)x=4.9(242)x=14(243)x=3(244)x=4(245)x=2(246)x=4.6(247)x=8(248)x=1.2(249)x=4.2(250)x=7(251)x=43(252)x=10(253)x=8(254)x=1(255)x=21(256)x=9(257)x=22(258)x=15(259)x=13(260)x=4.1(261)x=4(262)x=0.5(263)x=15(264)x=6(265)x=9(266)x=10(267)x=4(268)x=14(269)x=5.1(270)x=168(271)x=33(272)x=73(273)x=2(274)x=89(275)x=2(276)x=13(277)x=2(278)x=3(279)x=17(280)x=11(281)x=15(282)x=7(283)x=12(284)x=93(285)x=2(286)x=11(287)x=45(288)x=37(289)x=2(290)x=17(291)x=5.2(292)x=54(293)x=0.5(294)x=12(295)x=30(296)x=27(297)x=2(298)x=7(299)x=39(300)x=0.5(301)x=11(302)x=7.9(303)x=0.4(304)x=15(305)x=11(306)x=3(307)x=1.2(308)x=16.8(309)x=9(310)x=0.7(311)x=2.3(312)x=4(313)x=27(314)x=65(315)x=0.2(316)x=82(317)x=2.1(318)x=11(319)x=4(320)x=25(321)x=8.4(322)x=6(323)x=12(324)x=3(325)x=11(326)x=5(327)x=2(328)x=39(329)x=0.7(330)x=5(331)x=64(332)x=48(333)x=9(334)x=5(335)x=15(336)x=0.3(337)x=8(338)x=1(339)x=14(340)x=35(341)x=17(342)x=19(343)x=13(344)x=80(345)x=52(346)x=15(347)x=34(348)x=0.8(349)x=4(350)x=11(351)x=4(352)x=6(353)x=3(354)x=2.2(355)x=8(356)x=20(357)x=62(358)x=17(359)x=5(360)x=26(361)x=4(362)x=4(363)x=85(364)x=51(365)x=1.1(366)x=1(367)x=2(368)x=19(369)x=0.2(370)x=8(371)x=66(372)x=7(373)x=5(374)x=7.6(375)x=180(376)x=5.5(377)x=8(378)x=7.7(379)x=0.9(380)x=7(381)x=46(382)x=6(383)x=0.5(384)x=33(385)x=12(386)x=4.5(387)x=9.6(388)x=3.2(389)x=26(390)x=0.9(391)x=12(392)x=20(393)x=26(394)x=10(39