五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案

五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案(1)x+23=50(2)x+37=133(3)x+29=71(4)x+36=123(5)x+39=61(6)x+26=99(7)x+56=86(8)x+88=117(9)x+23=75(10)x-21=27(11)x-3=36(12)x-28=69(13)x-31=66(14)x-9=90(15)x-4=83(16)x-69=29(17)x-25=28(18)x-78=13(19)x+4.5=13.6(20)x+8.7=12.2(21)x+5=12(22)x+5.1=8(23)x+9.1=11.8(24)x+2.7=7.3(25)x+4.3=8.4(26)x+7.6=14.4(27)x+7.5=10.5(28)x-7.8=1.6(29)x-2.8=4.1(30)x-1.3=5.8(31)x-0.6=5.5(32)x-0.2=2.5(33)x-4.6=2.4(34)x-6.2=3.4(35)x-3.5=2.8(36)x-4=1.5(37)45+x=77(38)41+x=96(39)5+x=93(40)5+x=94(41)75+x=148(42)95+x=100(43)65+x=119(44)73+x=112(45)80+x=149(46)61-x=32(47)66-x=25(48)48-x=18(49)83-x=11(50)97-x=61(51)31-x=21(52)81-x=37(53)52-x=48(54)87-x=55(55)1.8+x=10.5(56)0.5+x=7.7(57)1.6+x=4.7(58)4.9+x=7.7(59)1.8+x=6.2(60)4.5+x=13(61)6.4+x=13.6(62)7.1+x=12.4(63)3+x=5(64)7.6-x=1.7(65)9-x=1.9(66)5.9-x=5.2(67)5.5-x=5.1(68)7-x=2.6(69)9.5-x=1.7(70)5.3-x=3.2(71)7.2-x=1(72)8.8-x=4.7(73)2x=154(74)22x=110(75)3x=186(76)9x=144(77)3x=42(78)4x=120(79)12x=96(80)4x=12(81)23x=138(82)0.4x=14(83)2.2x=11(84)8.8x=17.6(85)0.3x=6.9(86)0.5x=4(87)1.8x=14.4(88)2.6x=15.6(89)0.2x=13.8(90)0.4x=18.4(91)21x=6.3(92)5x=2(93)17x=6.8(94)12x=4.8(95)13x=7.8(96)13x=2.6(97)8x=2.4(98)3x=10.5(99)3x=1.2(100)123÷x=3(101)155÷x=5(102)165÷x=11(103)86÷x=43(104)172÷x=4(105)96÷x=12(106)92÷x=23(107)34÷x=2(108)100÷x=25(109)15÷x=0.3(110)7.2÷x=1.2(111)15.2÷x=0.4(112)3÷x=1.5(113)8.4÷x=4.2(114)4.2÷x=1.4(115)19.6÷x=2.8(116)15.2÷x=1.9(117)12.4÷x=0.2(118)x÷52=2(119)x÷4=37(120)x÷62=3(121)x÷10=10(122)x÷2=24(123)x÷15=8(124)x÷11=6(125)x÷9=9(126)x÷24=8(127)x÷17=1.1(128)x÷7=1.7(129)x÷7=1.6(130)x÷8=1.7(131)x÷19=0.9(132)x÷4=0.4(133)x÷25=0.6(134)x÷21=0.2(135)x÷92=0.2(136)2x+58=232(137)5x+16=216(138)11x+29=183(139)12x+37=157(140)15x+23=113(141)3x+33=171(142)58x+41=215(143)10x+55=235(144)30x+31=91(145)8x-53=19(146)19x-46=87(147)7x-41=92(148)13x-51=40(149)8x-49=47(150)18x-12=60(151)30x-46=74(152)45x-51=39(153)4x-58=82(154)26x+4.9=12.7(155)87x+1.8=19.2(156)39x+4=11.8(157)14x+3=8.6(158)46x+1.2=10.4(159)7x+5=20.4(160)23x+2.7=14.2(161)26x+5=18(162)2x+5.3=17.5(163)1.1x+2.6=20.2(164)1.7x+1.2=19.9(165)0.7x+5.4=12.4(166)0.2x+3.1=8.7(167)4.2x+4.1=12.5(168)2.5x+1.7=11.7(169)0.4x+3.4=22.6(170)0.8x+4.3=22.7(171)0.4x+3.2=14.8(172)59x-1=16.7(173)2x-2.7=16.1(174)3x-3.3=10.5(175)3x-5.9=7.6(176)76x-3.1=12.1(177)30x-3.4=5.6(178)33x-4.1=9.1(179)36x-2=16(180)18x-1.6=7.4(181)0.3x-3.1=4.1(182)0.3x-1.6=8.6(183)0.4x-5.5=12.9(184)0.6x-3.2=5.2(185)0.2x-5.3=4.7(186)0.2x-1.6=16.4(187)8x-1.9=14.1(188)3.1x-5.2=4.1(189)1.1x-4.3=10(190)167+62x=353(191)155+8x=331(192)16+3x=166(193)187+39x=382(194)29+2x=149(195)113+2x=175(196)48+4x=236(197)36+84x=204(198)101+3x=137(199)64-4x=56(200)92-7x=43(201)71-20x=31(202)76-2x=54(203)166-2x=122(204)118-4x=22(205)72-13x=46(206)110-2x=34(207)165-5x=60(208)11.4+0.6x=16.8(209)9+0.3x=15(210)1.7+0.4x=2.9(211)6.2+2.9x=12(212)10.7+1.1x=17.3(213)9.9+0.4x=16.7(214)10.3+1.4x=28.5(215)6.8+0.2x=11(216)3.5+1.4x=23.1(217)6.3+84x=23.1(218)1.6+13x=5.5(219)1.5+5x=13(220)17+29x=22.8(221)18.7+2x=35.1(222)12+2x=26.4(223)14.9+11x=21.5(224)7.6+3x=13(225)4+12x=20.8(226)18.8-0.2x=11(227)8.3-1.1x=2.8(228)15.7-3.7x=8.3(229)11.1-0.4x=4.7(230)14.2-0.4x=11.8(231)10.4-0.2x=1.4(232)16.1-5.5x=5.1(233)10.3-1.6x=2.3(234)9.8-2.9x=1.1(235)19.5-3x=9(236)17.9-7x=9.5(237)18.4-2x=16.2(238)19.3-3x=14.2(239)16.4-2x=1.6(240)6.1-21x=1.9(241)18.6-2x=16.6(242)18.5-6x=1.1(243)18.1-34x=4.5(244)23x÷4=46(245)40x÷10=16(246)22x÷11=16(247)6x÷4=42(248)58x÷87=2(249)5x÷15=2(250)7x÷98=2(251)3x÷6=16(252)12x÷3=36(253)5.7x÷3=3.8(254)0.5x÷10=0.9(255)0.2x÷7=0.4(256)0.4x÷2=3.2(257)0.4x÷56=0.3(258)6x÷10=1.8(259)9.5x÷10=1.9(260)0.6x÷16=1.2(261)0.7x÷14=0.8(262)42x÷6=2.8(263)4x÷3=1.2(264)3x÷18=1(265)5x÷65=0.3(266)16x÷8=0.8(267)57x÷6=1.9(268)24x÷12=1.2(269)9x÷21=0.6(270)10x÷15=0.4(271)11x+2x=39(272)8x+7x=45(273)6x+11x=306(274)4x+5x=18(275)8x+7x=300(276)6x+2x=232(277)15x+17x=224(278)2x+10x=156(279)2x+3x=120(280)7x-2x=25(281)18x-3x=30(282)17x-9x=16(283)10x-8x=24(284)18x-3x=120(285)10x-8x=30(286)15x-8x=77(287)15x-11x=36(288)8x-3x=50(289)6.5x+2.2x=121.8(290)5.9x+8.1x=140(291)3.9x+1x=88.2(292)3.6x+8.1x=140.4(293)1.8x+7.1x=17.8(294)5.2x+4.5x=164.9(295)1.5x+3.8x=116.6(296)1.5x+0.7x=63.8(297)4.5x+8x=100(298)3.2x-1.4x=52.2(299)7.1x-5.4x=6.8(300)4.1x-3.6x=9(301)1.9x-1.5x=8.4(302)2.1x-1.9x=8.4(303)4x-1.6x=50.4(304)8.7x-7.5x=2.4(305)9.4x-5.1x=25.8(306)5.1x-0.2x=78.4(307)6x+2x+42=234(308)4x+2x+2=110(309)18x+16x+5=277(310)9x+5x+8=288(311)15x+12x+46=316(312)15x+9x+20=212(313)11x+12x+13=381(314)7x+18x+26=301(315)7x+5x+4=316(316)6x+4x-16=134(317)18x+8x-11=67(318)4x+9x-19=124(319)12x+16x-45=95(320)8x+7x-18=57(321)5x+14x-36=211(322)6x+4x-26=54(323)11x+14x-36=289(324)12x+10x-40=48(325)10x-6x+47=79(326)9x-5x+23=111(327)13x-8x+17=62(328)15x-5x+9=129(329)8x-3x+48=98(330)18x-15x+13=43(331)4x-2x+28=108(332)11x-6x+28=118(333)14x-3x+8=74(334)4x-2x-33=51(335)5x-3x-43=29(336)7x-2x-15=80(337)13x-4x-4=104(338)18x-5x-34=96(339)8x-5x-12=57(340)17x-8x-47=16(341)16x-7x-17=28(342)17x-5x-13=95(343)1.6x+0.7x+4.4=98.7(344)9.7x+6.5x+2.8=116.2(345)6.2x+3.6x+2.8=120.4(346)6.6x+8.7x+2=155(347)0.7x+1.2x+2.8=151(348)6.4x+2.1x+4.2=63.7(349)1.8x+1.9x+3.7=148(350)3.9x+6.5x+1.1=84.3(351)1x+0.4x+1.8=105.4(352)24x+14x+3.2=147.6(353)76x+2x+3.5=34.7(354)16x+38x+4=41.8(355)27x+13x+0.4=36.4(356)37x+63x+3.8=23.8(357)48x+65x+0.9=23.5(358)30x+12x+0.7=101.5(359)71x+25x+0.2=67.4(360)23x+8x+2.9=24.6(361)1.9x+3.8x-2.3=88.9(362)4.1x+3.9x-2.7=101.3(363)6.1x+6.9x-1.2=180.8(364)2.1x+6x-1.5=87.6(365)4.5x+9.5x-1.2=82.8(366)8.2x+1.3x-1.9=93.1(367)1.1x+2.5x-1.1=60.1(368)8.8x+6.6x-1.7=121.5(369)1.8x+4.3x-2.2=132(370)11x+14x-0.4=87.1(371)6x+8x-2.5=99.7(372)7x+25x-3.8=114.6(373)7x+34x-4=12.4(374)74x+59x-1=118.7(375)14x+64x-2=21.4(376)9x+28x-3.3=63.3(377)27x+3x-0.8=32.2(378)78x+10x-0.3=34.9(379)7.5x-3.6x+3.9=19.5(380)2.2x-1.4x+1.9=16.3(381)8.8x-5x+0.8=12.2(382)8.5x-7.4x+3.8=13.7(383)6.2x-5.3x+0.6=6(384)9.9x-1.5x+4=79.6(385)1x-0.5x+4.4=10.4(386)1.5x-0.2x+0.3=17.2(387)0.8x-0.6x+1.1=9.9(388)11x-9x+1.2=8.2(389)83x-66x+0.8=14.4(390)76x-27x+0.8=10.6(391)17x-3x+1=20.6(392)99x-29x+0.3=14.3(393)56x-30x+0.6=16.2(394)48x-33x+1.9=16.9(395)68x-6x+4.7=66.7(396)95x-63x+1.7=30.5(397)8.8x-5.9x-0.3=28.7(398)1.4x-0.3x-4.9=51.2(399)7.8x-3.4x-1.9=46.5(400)8.8x-1.3x-0.9=44.1(401)0.9x-0.3x-4.8=10.2(402)3.3x-1.9x-0.2=41.8(403)2.8x-0.5x-0.4=45.6(404)2.9x-0.7x-3=52(405)5x-1.7x-2=17.8(406)62x-29x-0.3=26.1(407)74x-12x-0.5=80.1(408)83x-41x-0.4=12.2(409)67x-32x-2.6=18.4(410)12x-6x-3.9=33.3(411)91x-47x-3.7=13.9(412)88x-18x-0.3=69.7(413)83x-25x-4.4=36.2(414)39x-24x-2.1=29.4(415)27x+3×50=258(416)8x+6×22=284(417)6x+5×18=210(418)7x+5×11=132(419)2x+22×5=252(420)14x+2×60=148(421)29x+28×4=228(422)2x+6×21=220(423)11x+2×14=83(424)22x-2×50=76(425)24x-4×19=92(426)18x-57×3=27(427)17x-10×14=30(428)8x-2×67=66(429)4x-9×13=11(430)14x-64×2=54(431)2x-4×10=54(432)4x-3×6=42(433)0.5x+4.8×4=36.7(434)0.8x+1.2×5=14.8(435)0.3x+0.7×25=25(436)0.5x+0.4×38=19.2(437)0.3x+0.5×15=21.3(438)0.4x+4.9×2=10.6(439)0.5x+1.1×15=31.5(440)1.1x+0.5×25=29(441)2.7x+0.2×22=17.9(442)27x+12×1.5=31.5(443)35x+33×0.2=13.6(444)4x+4×2.1=25.6(445)20x+7×1.1=17.7(446)36x+11×1.8=37.8(447)42x+13×0.5=23.3(448)14x+20×0.4=15(449)4x+6×3=21.6(450)35x+5×3.3=34(451)0.2x-0.4×3=3.2(452)3.9x-0.6×7=3.6(453)2.5x-0.5×22=1.5(454)2.5x-0.3×23=3.1(455)0.9x-0.8×10=5.5(456)0.5x-0.7×8=9.4(457)0.8x-1.7×2=7.8(458)0.3x-0.2×10=6.7(459)2.4x-2.1×2=15(460)24x-13×0.9=7.5(461)21x-10×1.2=4.8(462)29x-15×0.2=11.5(463)3x-9×0.3=4.2(464)2x-4×0.8=2.8(465)14x-10×0.5=10.4(466)8x-23×0.3=1.1(467)3x-2×1.3=4.6(468)45x-6×1.7=3.3(469)5(11x+6)=140(470)3(x+11)=120(471)2(x+6)=100(472)3(x+6)=108(473)2(4x+12)=120(474)2(24x+35)=166(475)3(4x+11)=81(476)8(x+21)=200(477)6(5x+4)=144(478)6(19x-41)=96(479)5(2x-40)=190(480)18(2x-48)=180(481)2(2x-4)=32(482)4(4x-20)=176(483)2(3x-41)=56(484)16(7x-17)=176(485)5(28x-29)=135(486)10(3x-31)=170(487)3(0.3x+0.7)=40.8(488)2(1.1x+1.9)=45.6(489)3(0.5x+8)=43.5(490)2(x+9.5)=25(491)5(1.9x+4.3)=40.5(492)2(9.6x+4.7)=47.8(493)2(1.5x+5.8)=29.6(494)2(0.7x+9.8)=43.4(495)3(1.1x+5.5)=29.7(496)5(5x-8.2)=34(497)18(1.6x-7.8)=32.4(498)26(5.3x-8.8)=46.8(499)3(2.9x-0.4)=24.9(500)7(0.3x-0.9)=48.3(501)6(2.4x-2.4)=43.2(502)16(1.8x-7.4)=25.6(503)8(0.4x-3.9)=13.6(504)2(1.1x-9.7)=37.8(505)(14x+23)÷5=41(506)(8x+20)÷18=10(507)(19x+14)÷9=10(508)(17x+13)÷3=27(509)(x+45)÷11=5(510)(4x+20)÷2=16(511)(6x+30)÷6=26(512)(17x+3)÷43=6(513)(3x+24)÷15=2(514)(15x-39)÷12=13(515)(11x-20)÷8=14(516)(5x-18)÷3=24(517)(12x-26)÷34=7(518)(9x-13)÷2=52(519)(17x-47)÷2=104(520)(19x-45)÷5=48(521)(7x-38)÷3=48(522)(8x-47)÷3=59(523)(4.3x+0.6)÷5=11.3(524)(6.9x+4.7)÷4=9.8(525)(4.3x+7.2)÷4=14.7(526)(5.3x+7.7)÷32=1.4(527)(5.1x+9.6)÷2=45.6(528)(0.4x+5.2)÷2=5.4(529)(4.4x+9.5)÷21=1.5(530)(7.4x+1.4)÷8=12.2(531)(1.5x+6.5)÷5=7(532)(3.6x-5.1)÷15=2.3(533)(7.7x-9.9)÷11=1.9(534)(2.6x-0.8)÷4=3.7(535)(2.7x-6.2)÷5=4.7(536)(2.1x-6.3)÷21=0.5(537)(5.3x-4.1)÷33=1(538)(3.9x-8.5)÷4=12.5(539)(2.3x-1)÷2=11(540)(1.8x-6.6)÷10=0.6參考答案(1)x=27(2)x=96(3)x=42(4)x=87(5)x=22(6)x=73(7)x=30(8)x=29(9)x=52(10)x=48(11)x=39(12)x=97(13)x=97(14)x=99(15)x=87(16)x=98(17)x=53(18)x=91(19)x=9.1(20)x=3.5(21)x=7(22)x=2.9(23)x=2.7(24)x=4.6(25)x=4.1(26)x=6.8(27)x=3(28)x=9.4(29)x=6.9(30)x=7.1(31)x=6.1(32)x=2.7(33)x=7(34)x=9.6(35)x=6.3(36)x=5.5(37)x=32(38)x=55(39)x=88(40)x=89(41)x=73(42)x=5(43)x=54(44)x=39(45)x=69(46)x=29(47)x=41(48)x=30(49)x=72(50)x=36(51)x=10(52)x=44(53)x=4(54)x=32(55)x=8.7(56)x=7.2(57)x=3.1(58)x=2.8(59)x=4.4(60)x=8.5(61)x=7.2(62)x=5.3(63)x=2(64)x=5.9(65)x=7.1(66)x=0.7(67)x=0.4(68)x=4.4(69)x=7.8(70)x=2.1(71)x=6.2(72)x=4.1(73)x=77(74)x=5(75)x=62(76)x=16(77)x=14(78)x=30(79)x=8(80)x=3(81)x=6(82)x=35(83)x=5(84)x=2(85)x=23(86)x=8(87)x=8(88)x=6(89)x=69(90)x=46(91)x=0.3(92)x=0.4(93)x=0.4(94)x=0.4(95)x=0.6(96)x=0.2(97)x=0.3(98)x=3.5(99)x=0.4(100)x=41(101)x=31(102)x=15(103)x=2(104)x=43(105)x=8(106)x=4(107)x=17(108)x=4(109)x=50(110)x=6(111)x=38(112)x=2(113)x=2(114)x=3(115)x=7(116)x=8(117)x=62(118)x=104(119)x=148(120)x=186(121)x=100(122)x=48(123)x=120(124)x=66(125)x=81(126)x=192(127)x=18.7(128)x=11.9(129)x=11.2(130)x=13.6(131)x=17.1(132)x=1.6(133)x=15(134)x=4.2(135)x=18.4(136)x=87(137)x=40(138)x=14(139)x=10(140)x=6(141)x=46(142)x=3(143)x=18(144)x=2(145)x=9(146)x=7(147)x=19(148)x=7(149)x=12(150)x=4(151)x=4(152)x=2(153)x=35(154)x=0.3(155)x=0.2(156)x=0.2(157)x=0.4(158)x=0.2(159)x=2.2(160)x=0.5(161)x=0.5(162)x=6.1(163)x=16(164)x=11(165)x=10(166)x=28(167)x=2(168)x=4(169)x=48(170)x=23(171)x=29(172)x=0.3(173)x=9.4(174)x=4.6(175)x=4.5(176)x=0.2(177)x=0.3(178)x=0.4(179)x=0.5(180)x=0.5(181)x=24(182)x=34(183)x=46(184)x=14(185)x=50(186)x=90(187)x=2(188)x=3(189)x=13(190)x=3(191)x=22(192)x=50(193)x=5(194)x=60(195)x=31(196)x=47(197)x=2(198)x=12(199)x=2(200)x=7(201)x=2(202)x=11(203)x=22(204)x=24(205)x=2(206)x=38(207)x=21(208)x=9(209)x=20(210)x=3(211)x=2(212)x=6(213)x=17(214)x=13(215)x=21(216)x=14(217)x=0.2(218)x=0.3(219)x=2.3(220)x=0.2(221)x=8.2(222)x=7.2(223)x=0.6(224)x=1.8(225)x=1.4(226)x=39(227)x=5(228)x=2(229)x=16(230)x=6(231)x=45(232)x=2(233)x=5(234)x=3(235)x=3.5(236)x=1.2(237)x=1.1(238)x=1.7(239)x=7.4(240)x=0.2(241)x=1(242)x=2.9(243)x=0.4(244)x=8(245)x=4(246)x=8(247)x=28(248)x=3(249)x=6(250)x=28(251)x=32(252)x=9(253)x=2(254)x=18(255)x=14(256)x=16(257)x=42(258)x=3(259)x=2(260)x=32(261)x=16(262)x=0.4(263)x=0.9(264)x=6(265)x=3.9(266)x=0.4(267)x=0.2(268)x=0.6(269)x=1.4(270)x=0.6(271)x=3(272)x=3(273)x=18(274)x=2(275)x=20(276)x=29(277)x=7(278)x=13(279)x=24(280)x=5(281)x=2(282)x=2(283)x=12(284)x=8(285)x=15(286)x=11(287)x=9(288)x=10(289)x=14(290)x=10(291)x=18(292)x=12(293)x=2(294)x=17(295)x=22(296)x=29(297)x=8(298)x=29(299)x=4(300)x=18(301)x=21(302)x=42(303)x=21(304)x=2(305)x=6(306)x=16(307)x=24(308)x=18(309)x=8(310)x=20(311)x=10(312)x=8(313)x=16(314)x=11(315)x=26(316)x=15(317)x=3(318)x=11(319)x=5(320)x=5(321)x=13(322)x=8(323)x=13(324)x=4(325)x=8(326)x=22(327)x=9(328)x=12(329)x=10(330)x=10(331)x=40(332)x=18(333)x=6(334)x=42(335)x=36(336)x=19(337)x=12(338)x=10(339)x=23(340)x=7(341)x=5(342)x=9(343)x=41(344)x=7(345)x=12(346)x=10(347)x=78(348)x=7(349)x=39(350)x=8(351)x=74(352)x=3.8(353)x=0.4(354)x=0.7(355)x=0.9(356)x=0.2(357)x=0.2(358)x=2.4(359)x=0.7(360)x=0.7(361)x=16(362)x=13(363)x=14(364)x=11(365)x=6(366)x=10(367)x=17(368)x=8(369)x=22(370)x=3.5(371)x=7.3(372)x=3.7(373)x=0.4(374)x=0.9(375)x=0.3(376)x=1.8(377)x=1.1(378)x=0.4(379)x=4(380)x=18(381)x=3(382)x=9(383)x=6(384)x=9(385)x=12(386)x=13(387)x=44(388)x=3.5(389)x=0.8(390)x=0.2(391)x=1.4(392)