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)8.6x+2.8x=34.2(2)x÷19=0.2(3)61x+8x-4.7=16(4)18x-7x=66(5)(15x-27)÷38=6(6)(4.2x+2.1)÷19=2.1(7)x-0.6=8.8(8)14x-39=129(9)(x+14)÷32=1(10)x÷2=12(11)3.7+3x=17.2(12)9.8x-6x+1.3=35.5(13)x-5=45(14)4.4+x=10.7(15)(15x-6)÷3=48(16)15x-6x-36=54(17)1x+5.1=21.1(18)2x+66×3=258(19)4x-5×6=154(20)2(3.1x+5.8)=30.2(21)(5x+9)÷2=42(22)6x+10x=176(23)7÷x=0.2(24)(0.6x+8.4)÷30=0.4(25)4x+2x+36=126(26)3.8-x=3.3(27)5x-2x+35=53(28)7.8+6.5x=27.3(29)7.5-x=5.4(30)9x+9.8x=150.4(31)1.7x+2.3×7=26.3(32)87x=174(33)29x-9x+2.8=6.8(34)7x÷4=2.8(35)22x÷8=11(36)19.8-4x=14.2(37)15x+2x=119(38)x+8=11.4(39)x+69=75(40)(2.2x-2)÷17=0.4(41)x-2.9=5.6(42)13x+29x-1.7=36.1(43)19.3-4.8x=4.9(44)4.4x-2×3=7.2(45)5.9x+5.5x=79.8(46)(2x+8.4)÷16=1.4(47)82x-39x-1.6=37.1(48)x÷5=16(49)6.5x÷5=3.9(50)x÷11=13(51)4x=16.4(52)1.9x-0.5x=33.6(53)8.7x÷58=0.3(54)8.2+x=16.1(55)13x-6x+29=134(56)6x+8×5=238(57)15x-8x-14=56(58)2x-15=59(59)4.4+0.2x=22.6(60)24x+27x+4.8=55.8(61)(7x+20)÷17=9(62)4.6x+2.4x+4.5=102.5(63)8.2-x=4.6(64)48x÷36=0.4(65)8x+10x+49=175(66)19x=9.5(67)17x-14×8=41(68)(15x+18)÷33=6(69)x+69=145(70)x+9.5=12.7(71)29x-51=123(72)5.2x-4.6x=6.6(73)5(x+23)=145(74)3x+2x=325(75)2x=5.4(76)9x=36(77)(15x+10)÷20=5(78)12x-3x+20=83(79)x+1.9=8.8(80)30x-21x+3.3=25.8(81)2.7x+0.5×2=17.2(82)7(0.6x+2.6)=47.6(83)8x-4x=96(84)6x-4.4x=17.6(85)52x-13x-4.3=7.4(86)66x÷4=33(87)7x-2x=105(88)0.7x+1.8=11.6(89)2x+4x=156(90)(1.6x-9.8)÷3=4.2(91)1x+2.9=7.9(92)0.4x=0.8(93)1x+2x=69(94)45-x=43(95)x+10=79(96)4x+2x+1.8=18(97)1.2x+3=5.4(98)18.9-2.2x=1.3(99)15x-1.7=5.8(100)199+39x=394(101)4x+11×0.4=9.2(102)5x+3x+29=325(103)4x+11x=75(104)2.5x+3.5x+2.4=146.4(105)0.3x+1.7=18.5(106)0.8x=12(107)x-1.6=4.9(108)15x-2x-1.4=77.9(109)x-1.2=3.1(110)2(18x+3)=114(111)x-2.9=6.6(112)5x-12×1=6.5(113)4x-2.4=9.6(114)4x÷14=2(115)16.1-2x=8.1(116)17x+5x=132(117)5.6x+9.1x=147(118)86-x=63(119)2.7x-3.1×3=9.6(120)7(0.6x+5.4)=46.2(121)92-x=25(122)130+12x=250(123)x÷2=4(124)0.2x-1.6=9.2(125)2x+47=67(126)9x-3x+33=69(127)5.5-x=1.4(128)2.8x+2.2x+3.3=13.3(129)40x+3.9=23.9(130)x+2.2=9(131)10.4-0.2x=3(132)3x+8x-4=183(133)71x-38x+4.3=30.7(134)59x-50x+2.3=12.2(135)9+5.1x=19.2(136)7(5x+11)=147(137)5.4+8x=25.4(138)1.9x+2.7x-1.9=108.5(139)10x=20(140)10(6x-35)=130(141)2x+4×1.6=15.6(142)3(0.2x+0.2)=30(143)1.2x-0.7x+4.4=13.4(144)2x-0.8x=12(145)11x-6x=15(146)2(3x+39)=162(147)x+51=95(148)3.8÷x=0.2(149)7.5x÷15=1(150)9.5+66x=29.3(151)(15x-15)÷10=12(152)11x+3×2.4=10.5(153)53x+68x+1=85.7(154)3.3x-2.8=7.1(155)x-2=5.5(156)3.5x-1.9x=38.4(157)9x+1.4=5(158)8x+81x+3=100.9(159)2.1+3.9x=17.7(160)8.7-x=6.4(161)14÷x=0.2(162)6x÷18=8(163)8.4+x=13.7(164)10.9+34x=17.7(165)2x-0.7x-3.9=42.9(166)137+4x=277(167)18x-13x=35(168)x÷14=11(169)1.4x÷77=0.2(170)0.6x+2.3×2=23.8(171)14x-1.5=18.1(172)2x+22=188(173)5.1x+4x+1.1=83(174)4.8x+2.6×4=29.6(175)192÷x=16(176)5.1x=10.2(177)19x-13x+40=64(178)10(9x-8)=190(179)x÷4=4.9(180)x+97=192(181)11.5+4x=24.3(182)5x+2x-29=69(183)x+89=169(184)18.2+4.5x=36.2(185)x÷29=0.4(186)4.5x+6.7x-3.4=63.8(187)8x+2x+26=186(188)99x+55=253(189)x-43=11(190)6.2x+1.4=20(191)4x÷48=2(192)0.2x+2.9×3=16.7(193)10x+53x+2.9=28.1(194)3-x=2.6(195)17x=6.8(196)6x+8×6=108(197)86x-82x+3.5=7.1(198)2.9x-1.9x+3.9=36.9(199)x+8.3=13.9(200)8x-5.8x-1.8=15.8(201)80-4x=12(202)19.6-3x=18.1(203)27x+16x-2.8=57.4(204)35x÷7=2(205)184÷x=2(206)85-x=64(207)9x-53=64(208)6.4+0.2x=18.8(209)(7x-8)÷3=65(210)4x+15x+34=129(211)2x=4(212)7x-5x=36(213)2x+4×14=90(214)9x+16x=50(215)18x+14x-21=299(216)x÷21=0.8(217)0.5x+0.2x+2.5=18.6(218)18.8-0.4x=14(219)2(1.1x-1.7)=16.4(220)x-2.2=1.2(221)6.6x+1.9x=127.5(222)8x-1.7=5.5(223)8.4x+1=17.8(224)3x+4x-29=174(225)3(3x-38)=138(226)6x÷24=3(227)0.6x-0.8×16=6.4(228)x÷10=3(229)10x÷20=0.2(230)4(0.2x-3.2)=25.6(231)38x+28×0.6=28.2(232)48+x=112(233)190-2x=132(234)1.5x+5x-3.3=61.7(235)11x÷8=22(236)18.2÷x=0.2(237)(2.6x-1)÷2=22.9(238)34x-16x-4=21.2(239)47x-26x+0.7=17.5(240)3x+2x=185(241)(11x+33)÷11=14(242)19.3-14x=10.9(243)3x-2.4=17.4(244)50÷x=5(245)12x+5.7=11.7(246)10x+41=171(247)7.5x-4.9x+3=13.4(248)73-3x=46(249)x+8.7=17.6(250)18x+19x-45=103(251)5(6x+8)=130(252)8.3x-3.1x-3.9=32.5(253)15+x=57(254)3.2÷x=1.6(255)(7x+15)÷2=53(256)7.1+x=9.9(257)0.9x-0.6x+0.7=13.3(258)x-23=35(259)8x+3×3.7=26.3(260)x-8=12(261)37x+4.5=11.9(262)6.2x-1.3x-2.1=37.1(263)2.2+x=3.3(264)16x-11x=15(265)6x÷4=2.4(266)3(2.8x+1.3)=45.9(267)1.9x+0.3x-4.4=83.6(268)2.8x-3.7=1.9(269)2x+0.8x+2=32.8(270)16x-1.7=4.7(271)1.7x-0.3×26=5.8(272)10+2x=194(273)4.5x-3x-3=19.5(274)(4.6x-9.6)÷34=0.8(275)11(25x-40)=110(276)(4.1x+1.8)÷29=1.9(277)43x-37x+0.4=10(278)3.3+x=5.8(279)10x+3.2=5.2(280)x+2.2=6.3(281)7x-2×56=84(282)6x+16x-23=241(283)2.4-2x=1.6(284)11.1-22x=6.7(285)4x-2x+0.5=6.9(286)22+7x=141(287)4x+55×2=130(288)0.2x=11.4(289)2.1x+0.4×9=18.3(290)53-3x=20(291)5x-33=152(292)182÷x=2(293)1.1x+0.9x=84(294)0.2x+6x-3.7=27.3(295)8-0.5x=2(296)4x+5x+28=172(297)9(x-22)=153(298)5+x=10.3(299)79x-73x+2.9=4.1(300)0.6x=3(301)6x+46=148(302)3.6x+9.9x+0.8=27.8(303)11x+78x-4.3=66.9(304)7x=112(305)2x-29=137(306)17x-9x=24(307)15(0.6x-0.5)=28.5(308)12x+22x+2.5=53.5(309)22x-3.4=5.4(310)96x+67x+3.5=133.9(311)9x=1.8(312)14x=4.2(313)32x=64(314)94-x=73(315)5x÷60=3(316)20x-13x-2.6=25.4(317)15x-10x+6=16(318)0.8x-3.7×3=4.9(319)21x-20×4=109(320)5x=10(321)2(2x-14)=168(322)3(4x-46)=162(323)4x=124(324)1.1x+4.3×2=18.5(325)8.5x-5.6x-1.3=21.9(326)50x-35x-3.5=20.5(327)x÷10=0.7(328)4x-44=36(329)21x-8×0.6=12(330)0.4x-1×4=2.8(331)(8x-6)÷2=57(332)10x+4x-7=273(333)0.2x÷4=3.7(334)3x+46=112(335)6.6x+2.5x+1.3=110.5(336)0.2+x=6.4(337)10x-40×3=20(338)3.2x-1.6x-0.4=12.4(339)0.3x÷45=0.4(340)5x=10.5(341)9.6x-7.9x=3.4(342)5(2x-31)=145(343)4x+4×26=296(344)0.4x-0.2x=11.8(345)0.2x=13.8(346)15.7-1.1x=3.6(347)15.4-4x=11.4(348)16x-9×14=34(349)25x÷5=30(350)1.9x+7.3x-0.5=100.7(351)62x+34x-0.2=57.4(352)16x-11x+45=105(353)10.6-2.4x=5.8(354)89x-19x-3.3=38.7(355)76x+72x-4.6=113.8(356)18x-3x-13=92(357)6(0.3x+4.1)=37.2(358)110÷x=11(359)22x+38x-4.1=37.9(360)8.4-x=6.6(361)x÷27=7(362)4.1x-3.2x-1.8=18.9(363)x-1.5=1.3(364)14x-2x-22=14(365)x-18=30(366)3.7x-3.5=7.6(367)9.4-x=8.6(368)x+68=96(369)2x+3x+19=39(370)58x-38x-0.3=25.7(371)1.6x-1.6=3.2(372)187-4x=71(373)2x+22=78(374)2(x+5)=42(375)2x=10(376)69-x=40(377)18x+12x+4=97(378)21x=42(379)(5.8x+3.4)÷4=22.6(380)2x=6(381)162+17x=298(382)x-2.5=4.6(383)110-2x=40(384)0.6x-1.1=3.1(385)12(0.9x-7.7)=15.6(386)154-12x=46(387)0.8x-0.8×3=17.6(388)14x-12x+26=48(389)28x-16×3=148(390)12x+33×0.4=31.2(391)11x+42=185(392)3.2÷x=0.2(393)9.6÷x=2.4(394)x-21=44(395)0.8x÷50=0.4(396)7.2x+2x+1.1=74.7(397)17x+18x-19=366(398)44-x=31(399)4.1x-3.7x=2.4(400)76x÷38=0.4(401)3(2.6x+2.3)=22.5(402)2(6x+38)=100(403)3(x+36)=183(404)17x-2x-19=56(405)15+x=40(406)0.2x-3.2=14.6(407)0.2x+1.1=19.1(408)x÷21=0.6(409)8x+1.9=20.3(410)6x-2.9=6.1(411)4.9x+0.8×22=32.3(412)6.7x+8.5x-0.2=60.6(413)0.2x+0.5×34=26.2(414)103+11x=257(415)x+43=114(416)3x-5.2=6.8(417)0.5x÷65=0.2(418)21x-5×12=108(419)4x+9x-29=192(420)x÷8=0.4(421)1.1x-0.2x+2.8=78.4(422)14x-10x=12(423)9x-7x-11=33(424)x÷13=10(425)7x=84(426)8(2.1x-8.3)=34.4(427)(1.2x-0.8)÷4=2.2(428)13x-8x+25=85(429)4x+4.1=9.3(430)2.2x-0.8x=56(431)88-x=84(432)2x=74(433)(9.8x+7.9)÷5=5.5(434)(19x+46)÷5=32(435)5.1+22x=22.7(436)80x-56x-3.7=15.5(437)77+11x=275(438)11(2.1x-5.3)=11(439)x÷5=39(440)65x+35x-1.1=48.9(441)78+x=140(442)32+x=52(443)5.3x+9.3x-2.9=40.9(444)2x+7x=81(445)32x-3×4.9=1.3(446)3x+2×1.3=15.8(447)x-12=67(448)52+x=90(449)1.1x+2.4x-3.7=41.8(450)2x+31×0.3=12.1(451)4.5x+0.8x=53(452)2x+10=186(453)9.6+33x=16.2(454)98÷x=2(455)(3.1x+3.6)÷10=4.7(456)x+9.5=13(457)2.5+2x=13.7(458)3x+6x+5=158(459)(3x-49)÷4=5(460)x-11=80(461)8÷x=4(462)9x-12×0.8=8.4(463)x÷23=0.5(464)1x-4.1×2=8.8(465)x+60=123(466)2x+3.1=7.1(467)(8x-12)÷10=14(468)12.3+5x=28.8(469)9.4x-3.2x-1.5=54.3(470)104-6x=26(471)4(4x+2)=120(472)15.8-6x=6.2(473)16x-22=122(474)1.4x+7.8x=55.2(475)x+1.4=3.9(476)x-79=16(477)15x+5×4=155(478)5.3x-3.2x+3.8=35.3(479)5.9x-4.5x+3.4=11.8(480)144÷x=48(481)2x+5×15=187(482)2(1.5x+8.8)=41.6(483)29+x=73(484)(1.9x+7.1)÷3=14.4(485)10x+3.4=23.4(486)5x-4.3=3.2(487)12x-8x-33=19(488)104-16x=24(489)0.6x÷50=0.3(490)11.6+0.6x=19.4(491)2.7+x=6.9(492)x÷55=0.2(493)2(0.6x-8.1)=16.2(494)0.9x-0.6x+2.9=11.6(495)14.3÷x=1.3(496)25(2.9x-9.6)=50(497)(1.9x-0.5)÷13=0.4(498)68-x=43(499)21x-20×0.2=14.9(500)13+0.7x=19.3(501)88+x=93(502)12.6-20x=6.6(503)3+x=54(504)36+7x=57(505)(19x-3)÷24=7(506)(7x+49)÷2=91(507)16(0.3x-0.5)=30.4(508)3.3+4.4x=16.5(509)(13x-10)÷21=2(510)15.4-3x=1.6(511)4x-46=138(512)7x÷4=2.1(513)14x-26×0.3=2(514)37x-49×0.3=3.8(515)6x-28×4=50(516)19.8÷x=1.8(517)(2.8x-0.2)÷2=12.5(518)14x-5.4=12.8(519)(5.1x-6.9)÷39=1(520)7x-3x-8=40(521)68÷x=4(522)4x+3.8=5.4(523)12x-2x-44=36(524)4x-32×0.3=8.4(525)40x+43×0.2=28.6(526)10x=80(527)(4.9x-1.1)÷29=0.3(528)15.4-5.3x=4.8(529)90x÷10=1.8(530)14x-23×0.3=5.7(531)5x÷40=0.4(532)18x+4×23=254(533)4(0.3x+1.3)=38.8(534)5(2x-15)=75(535)18x+10x+19=131(536)83x+58x-1.1=83.5(537)8.4-x=6.2(538)44x+16x+2.9=56.9(539)(1.8x+3.6)÷14=2.7(540)0.7x-2.5×2=11.1參考答案(1)x=3(2)x=3.8(3)x=0.3(4)x=6(5)x=17(6)x=9(7)x=9.4(8)x=12(9)x=18(10)x=24(11)x=4.5(12)x=9(13)x=50(14)x=6.3(15)x=10(16)x=10(17)x=16(18)x=30(19)x=46(20)x=3(21)x=15(22)x=11(23)x=35(24)x=6(25)x=15(26)x=0.5(27)x=6(28)x=3(29)x=2.1(30)x=8(31)x=6(32)x=2(33)x=0.2(34)x=1.6(35)x=4(36)x=1.4(37)x=7(38)x=3.4(39)x=6(40)x=4(41)x=8.5(42)x=0.9(43)x=3(44)x=3(45)x=7(46)x=7(47)x=0.9(48)x=80(49)x=3(50)x=143(51)x=4.1(52)x=24(53)x=2(54)x=7.9(55)x=15(56)x=33(57)x=10(58)x=37(59)x=91(60)x=1(61)x=19(62)x=14(63)x=3.6(64)x=0.3(65)x=7(66)x=0.5(67)x=9(68)x=12(69)x=76(70)x=3.2(71)x=6(72)x=11(73)x=6(74)x=65(75)x=2.7(76)x=4(77)x=6(78)x=7(79)x=6.9(80)x=2.5(81)x=6(82)x=7(83)x=24(84)x=11(85)x=0.3(86)x=2(87)x=21(88)x=14(89)x=26(90)x=14(91)x=5(92)x=2(93)x=23(94)x=2(95)x=69(96)x=2.7(97)x=2(98)x=8(99)x=0.5(100)x=5(101)x=1.2(102)x=37(103)x=5(104)x=24(105)x=56(106)x=15(107)x=6.5(108)x=6.1(109)x=4.3(110)x=3(111)x=9.5(112)x=3.7(113)x=3(114)x=7(115)x=4(116)x=6(117)x=10(118)x=23(119)x=7(120)x=2(121)x=67(122)x=10(123)x=8(124)x=54(125)x=10(126)x=6(127)x=4.1(128)x=2(129)x=0.5(130)x=6.8(131)x=37(132)x=17(133)x=0.8(134)x=1.1(135)x=2(136)x=2(137)x=2.5(138)x=24(139)x=2(140)x=8(141)x=4.6(142)x=49(143)x=18(144)x=10(145)x=3(146)x=14(147)x=44(148)x=19(149)x=2(150)x=0.3(151)x=9(152)x=0.3(153)x=0.7(154)x=3(155)x=7.5(156)x=24(157)x=0.4(158)x=1.1(159)x=4(160)x=2.3(161)x=70(162)x=24(163)x=5.3(164)x=0.2(165)x=36(166)x=35(167)x=7(168)x=154(169)x=11(170)x=32(171)x=1.4(172)x=83(173)x=9(174)x=4(175)x=12(176)x=2(177)x=4(178)x=3(179)x=19.6(180)x=95(181)x=3.2(182)x=14(183)x=80(184)x=4(185)x=11.6(186)x=6(187)x=16(188)x=2(189)x=54(190)x=3(191)x=24(192)x=40(193)x=0.4(194)x=0.4(195)x=0.4(196)x=10(197)x=0.9(198)x=33(199)x=5.6(200)x=8(201)x=17(202)x=0.5(203)x=1.4(204)x=0.4(205)x=92(206)x=21(207)x=13(208)x=62(209)x=29(210)x=5(211)x=2(212)x=18(213)x=17(214)x=2(215)x=10(216)x=16.8(217)x=23(218)x=12(219)x=9(220)x=3.4(221)x=15(222)x=0.9(223)x=2(224)x=29(225)x=28(226)x=12(227)x=32(228)x=30(229)x=0.4(230)x=48(231)x=0.3(232)x=64(233)x=29(234)x=10(235)x=16(236)x=91(237)x=18(238)x=1.4(239)x=0.8(240)x=37(241)x=11(242)x=0.6(243)x=6.6(244)x=10(245)x=0.5(246)x=13(247)x=4(248)x=9(249)x=8.9(250)x=4(251)x=3(252)x=7(253)x=42(254)x=2(255)x=13(256)x=2.8(257)x=42(258)x=58(259)x=1.9(260)x=20(261)x=0.2(262)x=8(263)x=1.1(264)x=3(265)x=1.6(266)x=5(267)x=40(268)x=2(269)x=11(270)x=0.4(271)x=8(272)x=92(273)x=15(274)x=8(275)x=2(276)x=13(277)x=1.6(278)x=2.5(279)x=0.2(280)x=4.1(281)x=28(282)x=12(283)x=0.4(284)x=0.2(285)x=3.2(286)x=17(287)x=5(288)x=57(289)x=7(290)x=11(291)x=37(292)x=91(293)x=42(294)x=5(295)x=12(296)x=16(297)x=39(298)x=5.3(299)x=0.2(300)x=5(301)x=17(302)x=2(303)x=0.8(304)x=16(305)x=83(306)x=3(307)x=4(308)x=1.5(309)x=0.4(310)x=0.8(311)x=0.2(312)x=0.3(313)x=2(314)x=21(315)x=36(316)x=4(317)x=2(318)x=20(319)x=9(320)x=2(321)x=49(322)x=25(323)x=31(324)x=9(325)x=8(326)x=1.6(327)x=7(328)x=20(329)x=0.8(330)x=17(331)x=15(332)x=20(333)x=74(334)x=22(335)x=12(336)x=6.2(337)x=14(338)x=8(339)x=60(340)x=2.1(341)x=2(342)x=30(343)x=48(344)x=59(345)x=69(346)x=11(347)x=1(348)x=10(349)x=6(350)x=11(351)x=0.6(352)x=12(353)x=2(354)x=0.6(355)x=0.8(356)x=7(357)x=7(358)x=10(359)x=0.7(360)x=1.8(361)x=189(362)x=23(363)x=2.8(364)x=3(365)x=48(366)x=3(367)x=0.8(368)x=28(369)x=4(370)x=1.3(371)x=3(372)x=29(373)x=28(374)x=16(375)x=5(376)x=29(377)x=3.1(378)x=2(379)x=15(380)x=3(381)x=8(382)x=7.1(383)x=35(384)x=7(385)x=10(386)x=9(387)x=25(388)x=11(389)x=7(390)x=1.5(391)x=13(392)x=16(393)x=4(394)