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)6.3+x=10.2(2)2.3x-4.2×4=1.6(3)75x÷10=15(4)3x-36×2=87(5)15.9+1.8x=28.5(6)0.7x+1.2x=28.5(7)(6x+18)÷3=38(8)120+5x=170(9)x÷6=0.7(10)x-1.7=8.1(11)(2x-34)÷8=2(12)x÷4=2(13)20x+2×5=70(14)87x=174(15)6.4x-4.6x=19.8(16)1.3x+4.8x-2.4=34.2(17)(4.3x-8.4)÷2=30.2(18)13x+32x+4.6=13.6(19)15x+13x+12=348(20)3.9+15x=6.9(21)(17x+13)÷5=40(22)0.5x+4.9=19.9(23)7(20x-17)=161(24)0.3x+2.5=9.1(25)x÷11=4(26)78-x=58(27)6.3-x=2.4(28)x÷66=0.3(29)4(0.7x+3.3)=27.2(30)11+16x=14.2(31)12x÷6=0.4(32)19x-3x+47=175(33)15(6x-37)=165(34)2(0.5x-1.5)=28(35)9.2x-4.9x+1.3=22.8(36)1.9x-1.2×9=6.3(37)12x+26x-2.4=20.4(38)7x+8x=180(39)(16x-28)÷3=60(40)1.3+x=4.7(41)x+76=151(42)9x-3x=84(43)(6.4x+7.6)÷2=35.8(44)61-x=36(45)5x+2.6=15.6(46)(6x+3.6)÷3=25.2(47)2x+44×4=274(48)x÷2=35(49)4(0.3x-1.2)=26.4(50)15x+50x+2.6=61.1(51)3x=1.2(52)6.9x÷46=0.3(53)112+4x=192(54)85-x=76(55)x-16=80(56)18-3.2x=11.6(57)18.3-3.1x=5.9(58)14.2+0.2x=29.8(59)9.3-12x=4.5(60)6.4x+2.7x=45.5(61)10+1.7x=27(62)92x+57=241(63)4.4x-1.9x=50(64)17x+13x=330(65)x+8.7=10.5(66)161÷x=23(67)x÷48=0.3(68)5.6+x=10.3(69)83+x=143(70)x+12=21(71)1.1x+0.4×12=20.2(72)77-x=17(73)(2.8x+5.4)÷6=9.3(74)2x+3x-2=318(75)6+x=42(76)0.3x-4.4=7.6(77)15x+2.2=21.7(78)14.4-1.3x=6.6(79)0.2x+1.7=12.7(80)16x+5x-11=73(81)6.3÷x=2.1(82)9x+4x-22=108(83)43-x=15(84)40+x=65(85)0.8x+0.6x=81.2(86)43x-23x-2.8=31.2(87)18.3÷x=0.3(88)1.3x÷39=0.4(89)x-3=55(90)9-x=8(91)3.9+x=11.3(92)0.8x+4.7=7.1(93)13x-14=181(94)2.1x+1.2x+2.8=35.8(95)5.6+x=9.9(96)6x=10.8(97)0.7x-1.6×7=5.6(98)8x-6×0.5=15.4(99)3x+7x=240(100)2x+1.3=15.3(101)x-1.4=1.5(102)56+3x=245(103)(5x-36)÷19=1(104)2(0.6x-5.8)=29.2(105)19x-51=139(106)2x+16x+44=260(107)x÷20=6(108)52x-24x-3.2=8(109)16.7-1.8x=5.9(110)3x+33x+3.6=104.4(111)5x+18x+6=52(112)55x+56x-2=109(113)95-x=15(114)4x+5x=360(115)14x+4x=54(116)98÷x=14(117)6x-0.9x-4.1=46.9(118)2(2x+25)=138(119)(11x-14)÷19=1(120)6x÷4=30(121)7.8+x=12.5(122)0.5x+0.5×35=28(123)4x+93x+1=68.9(124)1.4x-1.9=14.9(125)3x=60(126)x-30=34(127)3(2x-37)=33(128)9.9÷x=1.1(129)3x+25×5=323(130)33x-15x-4.1=3.1(131)(5.6x-3)÷5=10.6(132)(2.2x+8.7)÷7=6.9(133)73x=146(134)6x+5x-49=303(135)3x=48(136)2.8x÷70=0.2(137)15x-12x+8=29(138)3.7x-3.3x+2.7=7.9(139)6x+14×0.5=13.6(140)2.7x-1.7x-3.5=31.5(141)0.2x=8.8(142)0.2x=9.8(143)5.6x+8.1x-3.2=37.9(144)57x÷6=1.9(145)3(14x+6)=186(146)6x+2x=208(147)17x-12x=20(148)0.4x÷48=0.3(149)24x=120(150)20x-57=83(151)88x-25x-3.9=46.5(152)x-48=46(153)45x÷12=1.5(154)175-2x=105(155)16x+26=74(156)3x-1=9.2(157)13.5+48x=23.1(158)92-3x=74(159)6(5.8x-3.3)=49.8(160)2x+7×2=94(161)9x-4×0.7=13.4(162)1.5x-0.8×6=1.2(163)50x÷75=2(164)3x+29×0.5=23.8(165)26x+13×15=273(166)x+36=45(167)17.2-4x=8.8(168)66x-39x+1.1=17.3(169)15x-6x-22=77(170)98x-86x+0.3=11.1(171)10x-4×2.1=7.6(172)(7.5x+4.6)÷2=39.8(173)3x÷36=0.4(174)(10x+25)÷35=3(175)1.5x=18(176)x÷11=1.6(177)6.2x-0.8x+0.2=81.2(178)8x+1.6x-0.3=47.7(179)x÷3=23(180)14x-1.7=16.5(181)x-43=23(182)6.7x-1.8x-0.3=48.7(183)4.2÷x=0.7(184)18x+7x-32=18(185)3x÷12=11(186)18x+4x-9=35(187)12x-8x-27=17(188)4.3x-1.4x+3=55.2(189)10.9+1.2x=21.7(190)x+90=110(191)2x÷5=3.4(192)47x=14.1(193)51x-13x+4.8=77(194)34x-7x-4.8=65.4(195)17x-3x-0.2=19.4(196)6.9+16x=19.7(197)16x+4x-4.6=53.4(198)14x+16x-43=317(199)x+0.3=9.2(200)189+66x=387(201)3x÷25=6(202)7.6x-0.5x-4.6=52.2(203)x÷14=6(204)19.7+0.8x=22.9(205)1.7x+1.1x+0.7=34.3(206)34x+65x+3.3=33(207)19x-14x+4=14(208)82-x=55(209)28x÷70=0.2(210)3x-2×47=92(211)x÷31=0.4(212)x-3.5=4.8(213)5x+57=147(214)4.9x-2x+1.4=36.2(215)6(5x-6.2)=22.8(216)77+46x=215(217)25x-1.6=10.9(218)0.5x+1.1×16=29.6(219)21x-2.5=16.4(220)2x+4×7=184(221)177÷x=3(222)43x-4=8.9(223)18(3.2x-3.9)=45(224)2.6x-5.7=7.3(225)10x+14×5=220(226)2.3x-1.9x=13.2(227)x+8.1=14.1(228)2x+9x=242(229)x-3.9=1.2(230)17x-15x+20=38(231)1x-4.3=8.7(232)7x+4.4=7.9(233)x+8.8=16.7(234)x-12=68(235)7.6x-5x-1.4=9(236)16-15x=2.5(237)x-24=11(238)1.1x+3.6×2=11.6(239)x-5.4=4.3(240)26x+4×2=23.6(241)12x-8x+31=47(242)9.2x+2.4x+2.6=95.4(243)40x-21x+2.6=25.4(244)(6.2x+4.3)÷3=9.7(245)5.7-3x=3.9(246)5(2x+18)=130(247)1.3x-4.7=5.7(248)(2.4x-8.8)÷34=0.8(249)(6.8x-5.5)÷9=7.7(250)(19x+3)÷14=7(251)8(x+15)=144(252)6.3-0.3x=4.8(253)7-x=3.6(254)1.3x+4.3x-3.7=41.1(255)0.9x+3.4=14.2(256)6.9÷x=0.3(257)3x+14x+5=141(258)20x-4×0.7=17.2(259)16.3-3x=15.7(260)12x-2x-18=32(261)4x-59=109(262)2(2x+10)=104(263)12x-3=4.2(264)(3.9x+6.6)÷34=1.8(265)3x-42=132(266)9x-37×0.2=12.4(267)15x-38=112(268)x÷3=0.5(269)89x=17.8(270)5.1x-1.3x=7.6(271)2.2x+3.2x=64.8(272)14x-49=105(273)54x+4.2=15(274)x+3.3=3.9(275)9.9x-4.4x=38.5(276)9.7-x=9.2(277)90x-36x-4.8=49.2(278)2(2x+2)=32(279)x-5.7=1.1(280)2.1x-2.1=10.5(281)1.1x+0.7x=77.4(282)99x-31x+4.3=31.5(283)8.6-5x=1.1(284)4(26x-2)=200(285)6.1x-1.9x-4.4=16.6(286)5x+2.4x+4=78(287)11.3-0.9x=5(288)159-2x=45(289)30x-10×1.6=2(290)11x-5.6=13.1(291)102÷x=34(292)4x+5x=189(293)35+2x=155(294)6x-2x-12=48(295)14x-8x=24(296)1.4x-1.8×2=6.2(297)x÷9=1.3(298)(3x-48)÷6=2(299)67+x=139(300)3.4+x=12.3(301)18x-6x+13=133(302)3.9x+0.4x+3.1=28.9(303)x+41=57(304)5x+12x-20=201(305)115-3x=70(306)x+19=83(307)4.3x+2.2x=136.5(308)14(5.6x-8.1)=43.4(309)8x=3.2(310)114-13x=36(311)9x÷10=1.8(312)5.4x-1x-1.3=69.1(313)35x=175(314)15x-2x=156(315)33x+1=20.8(316)1.8x+0.8×25=25.4(317)2.1x=14.7(318)196÷x=28(319)3x+46×0.4=29.5(320)12.5+0.4x=18.5(321)x-3=5.9(322)4.4x+4.1x=187(323)175÷x=7(324)12x-3×5=45(325)5x-12×6=103(326)5(0.2x+1.3)=11.5(327)0.8x÷26=0.4(328)(2.6x-2)÷4=2.1(329)13x-3x=50(330)13x+36×0.3=14.7(331)4x÷12=10(332)7x+13x+3=243(333)17x-6x-30=47(334)21x-15x+3.2=17(335)17x-3x=154(336)8x-11×8=40(337)15x+2.5=16(338)0.3x÷14=0.6(339)0.2x=7(340)3x-20×4=103(341)2x+2.3=3.9(342)1.1x-0.6x=21.5(343)x-6.6=3(344)2(0.5x+2.9)=46.8(345)45x=13.5(346)6.1+x=8.6(347)41x=8.2(348)10x=13(349)18.4+1x=30.4(350)7.1x-6.2x+0.6=6(351)x+8.1=11.3(352)10x-8x+26=62(353)2x÷6=1.8(354)17x÷51=2(355)21x-26×2=116(356)6x-14=82(357)32x+83x-1.9=55.6(358)88-x=13(359)2(4.7x+6.2)=50(360)3x+4x+4=193(361)13.8-7x=11.7(362)2x+12×14=224(363)4.4-x=1.1(364)x÷2=0.5(365)11x+3.2=8.7(366)x+6.9=9.9(367)17x-10x=49(368)3(2x-49)=93(369)2.9+10x=4.9(370)5.2x-1.8x=20.4(371)3.7x+4.3x+1.6=185.6(372)15x-9x-11=13(373)58x+71x-3.6=99.6(374)20x÷80=2(375)4.6-x=3.2(376)x+1.8=9.5(377)16+5x=121(378)3.6x+8.7x-2.9=58.6(379)(6.8x-4)÷2=11.6(380)37x+35=183(381)x÷13=8(382)2(15x+34)=188(383)19x+4x-1.3=53.9(384)1.1x+2.7×2=16.4(385)2.8x-4.3=9.7(386)1.9x-0.4x+2.7=41.7(387)27+x=58(388)136÷x=4(389)32x-17x-2.4=30.6(390)0.2x=0.4(391)x+23=27(392)2.5x=10(393)2(1.2x-8.2)=22(394)(10x+13)÷13=21(395)1.6x-3.3=9.5(396)8x-2x-31=101(397)7.3-x=1.1(398)69+10x=269(399)8x-4×37=28(400)28(0.3x+0.2)=39.2(401)7.4x+4.5=19.3(402)0.7x-0.4×20=8.8(403)17.5-2.7x=12.1(404)30+x=80(405)98x+56=252(406)75+x=104(407)5x+10x-0.7=119.3(408)157+2x=191(409)0.5x-0.3×36=3.7(410)x÷69=2(411)111-15x=21(412)69x+43x-2=20.4(413)19.4-6x=13.4(414)9x+11×1.3=33.2(415)41x=123(416)21x+20×0.9=26.4(417)70x-10x-4.1=67.9(418)5(x+0.5)=32.5(419)0.9x-0.2×45=8.1(420)19.5÷x=1.3(421)2.3x÷3=4.6(422)(8x-14)÷26=5(423)42x-39x+0.2=1.7(424)7.7x-4.2x-0.2=6.8(425)16+12x=20.8(426)x÷26=0.4(427)5x-9×0.8=1.8(428)(18x-39)÷11=21(429)9.5+6.3x=22.1(430)2(18x-29)=158(431)51+x=135(432)1.8x+0.7×19=18.7(433)9x+10x+47=427(434)16x+15×1=34.2(435)15x+19x=136(436)2.6x+1.3x+4.8=114(437)1.8x+0.3×29=21.3(438)9.3-x=2.6(439)7(7x-3)=77(440)8x-3×3.3=1.3(441)10x-3×20=30(442)(5x+22)÷3=19(443)9x-3x=24(444)(9.6x+5)÷2=36.1(445)2.6÷x=0.2(446)4.3x+7.3x=116(447)46x÷23=0.6(448)60÷x=10(449)114-6x=18(450)x+6=15(451)27x+39x-2.9=49.9(452)17x-15x+46=56(453)46x+56=240(454)(2x+25)÷3=13(455)168-2x=108(456)90x-10=170(457)0.4x+0.8x-0.3=83.7(458)11x-7x+5=77(459)19x+54=187(460)0.8x+2.2=21.4(461)2(15x-43)=34(462)36x÷12=9(463)x-1.5=4.7(464)8.8x-3.9x=9.8(465)51x-39x+0.8=17.6(466)12.8-0.5x=4.8(467)2.9x-0.2x=18.9(468)2.4+35x=12.9(469)3x-0.5x+1.4=58.9(470)x+81=83(471)x÷15=10(472)3.6x-3.2x+4.4=7.2(473)0.7x+1.1x+2.3=59.9(474)(7.3x-1)÷15=4.8(475)4x÷20=0.6(476)19x=76(477)14x+2×61=206(478)2(3x+39)=132(479)4.8+2x=13.8(480)16.8-0.8x=9.6(481)3(0.5x+4.7)=20.1(482)0.2x=16.8(483)5x-4=1(484)5(x-10)=60(485)15x+48x+3.5=66.5(486)22x+99x+2=50.4(487)7.6x+3.9=19.1(488)58x+53x+2.3=135.5(489)6.7x=13.4(490)2(0.5x-4.3)=27.4(491)(5.1x-5.4)÷36=0.7(492)x-18=35(493)x-19=68(494)98x-68x+1.1=28.1(495)7x+13=174(496)(7x-9.9)÷3=10.7(497)4x-2x-39=15(498)33x-3×1.9=4.2(499)142-2x=86(500)6.1x-1.6x-1=12.5(501)(2.2x+0.4)÷29=1(502)1.9x-3.9=11.3(503)(x+41)÷27=2(504)(15x-40)÷5=7(505)2x+14x-25=183(506)2.3x+1.4x=59.2(507)6x+8.7x-1.5=116.1(508)6.2+x=7.7(509)10x=110(510)49x+83x+4=122.8(511)3x+1.2x-3.4=80.6(512)8x+3x+22=66(513)5.6-x=3.1(514)2.2+57x=19.3(515)7x+2×0.6=18.7(516)3.7x+3.6x+2.6=119.4(517)7x=14.7(518)14.3-3x=1.7(519)89x+35=213(520)2.7x+4.7=18.2(521)x+87=138(522)2(8.4x+7.6)=48.8(523)0.2x÷47=0.4(524)12(x+4)=132(525)(16x+29)÷5=41(526)(3x-9)÷5=6(527)8÷x=2(528)4x-2.1=3.9(529)2.5x-0.3×30=11(530)18x+16x+23=261(531)6(0.2x+6.3)=46.2(532)3.6x+8.8x-4.5=94.7(533)17.5÷x=0.5(534)8x-2x-10=68(535)17x-4x=130(536)80-x=40(537)15+x=37(538)3.6x+0.9×5=18.9(539)7.2+0.3x=8.1(540)7.5÷x=1.5參考答案(1)x=3.9(2)x=8(3)x=2(4)x=53(5)x=7(6)x=15(7)x=16(8)x=10(9)x=4.2(10)x=9.8(11)x=25(12)x=8(13)x=3(14)x=2(15)x=11(16)x=6(17)x=16(18)x=0.2(19)x=12(20)x=0.2(21)x=11(22)x=30(23)x=2(24)x=22(25)x=44(26)x=20(27)x=3.9(28)x=19.8(29)x=5(30)x=0.2(31)x=0.2(32)x=8(33)x=8(34)x=31(35)x=5(36)x=9(37)x=0.6(38)x=12(39)x=13(40)x=3.4(41)x=75(42)x=14(43)x=10(44)x=25(45)x=2.6(46)x=12(47)x=49(48)x=70(49)x=26(50)x=0.9(51)x=0.4(52)x=2(53)x=20(54)x=9(55)x=96(56)x=2(57)x=4(58)x=78(59)x=0.4(60)x=5(61)x=10(62)x=2(63)x=20(64)x=11(65)x=1.8(66)x=7(67)x=14.4(68)x=4.7(69)x=60(70)x=9(71)x=14(72)x=60(73)x=18(74)x=64(75)x=36(76)x=40(77)x=1.3(78)x=6(79)x=55(80)x=4(81)x=3(82)x=10(83)x=28(84)x=25(85)x=58(86)x=1.7(87)x=61(88)x=12(89)x=58(90)x=1(91)x=7.4(92)x=3(93)x=15(94)x=10(95)x=4.3(96)x=1.8(97)x=24(98)x=2.3(99)x=24(100)x=7(101)x=2.9(102)x=63(103)x=11(104)x=34(105)x=10(106)x=12(107)x=120(108)x=0.4(109)x=6(110)x=2.8(111)x=2(112)x=1(113)x=80(114)x=40(115)x=3(116)x=7(117)x=10(118)x=22(119)x=3(120)x=20(121)x=4.7(122)x=21(123)x=0.7(124)x=12(125)x=20(126)x=64(127)x=24(128)x=9(129)x=66(130)x=0.4(131)x=10(132)x=18(133)x=2(134)x=32(135)x=16(136)x=5(137)x=7(138)x=13(139)x=1.1(140)x=35(141)x=44(142)x=49(143)x=3(144)x=0.2(145)x=4(146)x=26(147)x=4(148)x=36(149)x=5(150)x=7(151)x=0.8(152)x=94(153)x=0.4(154)x=35(155)x=3(156)x=3.4(157)x=0.2(158)x=6(159)x=2(160)x=40(161)x=1.8(162)x=4(163)x=3(164)x=3.1(165)x=3(166)x=9(167)x=2.1(168)x=0.6(169)x=11(170)x=0.9(171)x=1.6(172)x=10(173)x=4.8(174)x=8(175)x=12(176)x=17.6(177)x=15(178)x=5(179)x=69(180)x=1.3(181)x=66(182)x=10(183)x=6(184)x=2(185)x=44(186)x=2(187)x=11(188)x=18(189)x=9(190)x=20(191)x=8.5(192)x=0.3(193)x=1.9(194)x=2.6(195)x=1.4(196)x=0.8(197)x=2.9(198)x=12(199)x=8.9(200)x=3(201)x=50(202)x=8(203)x=84(204)x=4(205)x=12(206)x=0.3(207)x=2(208)x=27(209)x=0.5(210)x=62(211)x=12.4(212)x=8.3(213)x=18(214)x=12(215)x=2(216)x=3(217)x=0.5(218)x=24(219)x=0.9(220)x=78(221)x=59(222)x=0.3(223)x=2(224)x=5(225)x=15(226)x=33(227)x=6(228)x=22(229)x=5.1(230)x=9(231)x=13(232)x=0.5(233)x=7.9(234)x=80(235)x=4(236)x=0.9(237)x=35(238)x=4(239)x=9.7(240)x=0.6(241)x=4(242)x=8(243)x=1.2(244)x=4(245)x=0.6(246)x=4(247)x=8(248)x=15(249)x=11(250)x=5(251)x=3(252)x=5(253)x=3.4(254)x=8(255)x=12(256)x=23(257)x=8(258)x=1(259)x=0.2(260)x=5(261)x=42(262)x=21(263)x=0.6(264)x=14(265)x=58(266)x=2.2(267)x=10(268)x=1.5(269)x=0.2(270)x=2(271)x=12(272)x=11(273)x=0.2(274)x=0.6(275)x=7(276)x=0.5(277)x=1(278)x=7(279)x=6.8(280)x=6(281)x=43(282)x=0.4(283)x=1.5(284)x=2(285)x=5(286)x=10(287)x=7(288)x=57(289)x=0.6(290)x=1.7(291)x=3(292)x=21(293)x=60(294)x=15(295)x=4(296)x=7(297)x=11.7(298)x=20(299)x=72(300)x=8.9(301)x=10(302)x=6(303)x=16(304)x=13(305)x=15(306)x=64(307)x=21(308)x=2(309)x=0.4(310)x=6(311)x=2(312)x=16(313)x=5(314)x=12(315)x=0.6(316)x=3(317)x=7(318)x=7(319)x=3.7(320)x=15(321)x=8.9(322)x=22(323)x=25(324)x=5(325)x=35(326)x=5(327)x=13(328)x=4(329)x=5(330)x=0.3(331)x=30(332)x=12(333)x=7(334)x=2.3(335)x=11(336)x=16(337)x=0.9(338)x=28(339)x=35(340)x=61(341)x=0.8(342)x=43(343)x=9.6(344)x=41(345)x=0.3(346)x=2.5(347)x=0.2(348)x=1.3(349)x=12(350)x=6(351)x=3.2(352)x=18(353)x=5.4(354)x=6(355)x=8(356)x=16(357)x=0.5(358)x=75(359)x=4(360)x=27(361)x=0.3(362)x=28(363)x=3.3(364)x=1(365)x=0.5(366)x=3(367)x=7(368)x=40(369)x=0.2(370)x=6(371)x=23(372)x=4(373)x=0.8(374)x=8(375)x=1.4(376)x=7.7(377)x=21(378)x=5(379)x=4(380)x=4(381)x=104(382)x=4(383)x=2.4(384)x=10(385)x=5(386)x=26(387)x=31(388)x=34(389)x=2.2(390)x=2(391)x=