五年级数学(方程)习题及答案

五年级数学(方程)习题及答案(1)x+37=47(2)x+87=183(3)x+66=145(4)x+58=97(5)x+9=30(6)x+63=119(7)x+74=81(8)x+99=109(9)x+42=106(10)x-13=80(11)x-26=44(12)x-8=27(13)x-12=17(14)x-66=28(15)x-19=44(16)x-58=22(17)x-43=13(18)x-14=42(19)x+2=11.3(20)x+4.4=5.4(21)x+3=6.4(22)x+6.2=8.6(23)x+9.3=16.5(24)x+7.2=11.7(25)x+2.9=4.9(26)x+4.8=5.8(27)x+0.6=5.7(28)x-1.6=3.2(29)x-5.6=1.8(30)x-2.1=6.8(31)x-1.2=2.3(32)x-3.5=2.6(33)x-2.1=5.1(34)x-1.6=5.2(35)x-4.4=5.4(36)x-1.5=6.9(37)59+x=98(38)17+x=76(39)85+x=87(40)34+x=121(41)92+x=105(42)31+x=117(43)92+x=140(44)44+x=124(45)24+x=117(46)88-x=74(47)41-x=30(48)17-x=11(49)56-x=38(50)67-x=20(51)89-x=48(52)87-x=65(53)33-x=28(54)77-x=32(55)5.8+x=6.6(56)7.7+x=10.8(57)2.1+x=4.9(58)5+x=8(59)4.8+x=8.2(60)3.1+x=9.2(61)0.5+x=3.9(62)8.3+x=11(63)9.6+x=17.7(64)8.7-x=1.5(65)7.4-x=6.4(66)9.2-x=1.7(67)6.8-x=5.6(68)5.5-x=3(69)8.6-x=4.6(70)9.6-x=8(71)3.8-x=2.1(72)8.3-x=2.9(73)3x=111(74)19x=133(75)10x=40(76)3x=84(77)4x=176(78)12x=36(79)2x=66(80)4x=196(81)4x=28(82)2x=16(83)1x=15(84)0.7x=12.6(85)5.2x=10.4(86)3.3x=16.5(87)5.8x=17.4(88)0.4x=14.4(89)0.7x=11.9(90)2.4x=7.2(91)83x=16.6(92)50x=20(93)28x=8.4(94)4x=18(95)75x=15(96)66x=19.8(97)6x=16.2(98)37x=7.4(99)16x=4.8(100)171÷x=3(101)187÷x=11(102)66÷x=3(103)74÷x=37(104)87÷x=29(105)93÷x=3(106)190÷x=19(107)88÷x=4(108)25÷x=5(109)15.2÷x=1.9(110)10.8÷x=0.9(111)2÷x=1(112)15.8÷x=0.2(113)7.2÷x=0.4(114)5÷x=0.2(115)6.4÷x=0.2(116)11÷x=2.2(117)10.4÷x=0.2(118)x÷21=7(119)x÷13=14(120)x÷2=22(121)x÷6=19(122)x÷72=2(123)x÷5=4(124)x÷2=6(125)x÷6=22(126)x÷30=3(127)x÷29=0.4(128)x÷46=0.4(129)x÷81=0.2(130)x÷58=0.2(131)x÷23=0.8(132)x÷34=0.2(133)x÷27=0.7(134)x÷30=0.4(135)x÷10=1(136)3x+46=61(137)3x+53=203(138)5x+35=205(139)2x+51=235(140)12x+33=177(141)13x+52=156(142)8x+16=128(143)28x+24=80(144)2x+12=204(145)11x-43=133(146)96x-58=134(147)10x-34=156(148)60x-27=93(149)73x-16=130(150)2x-12=58(151)29x-23=64(152)6x-32=46(153)22x-28=126(154)2x+2.1=19.3(155)3x+2.7=12.3(156)94x+2.5=21.3(157)6x+2.1=20.7(158)28x+4.3=12.7(159)9x+5.2=17.8(160)4x+5.1=7.5(161)5x+1.6=10.6(162)15x+1.3=5.8(163)2.7x+5.1=10.5(164)0.8x+3.3=5.7(165)1.5x+3.3=18.3(166)2.5x+2.3=14.8(167)0.6x+5.2=12.4(168)5.1x+3.2=13.4(169)0.2x+1.9=10.9(170)0.2x+3.6=15(171)0.2x+4.3=8.9(172)10x-4.8=3.2(173)4x-1.6=17.2(174)2x-4.5=3.7(175)4x-4.5=9.5(176)25x-2.7=12.3(177)2x-1.4=11.8(178)2x-1.7=16.7(179)2x-1.2=8.2(180)43x-4.6=4(181)2.5x-2.6=9.9(182)0.3x-2.2=16.4(183)0.5x-3.9=16.1(184)0.3x-2=16.6(185)1.3x-2.3=5.5(186)6.3x-4=8.6(187)1x-1.3=5.7(188)0.9x-4.9=7.7(189)0.2x-4.5=10.7(190)153+6x=291(191)87+2x=129(192)77+10x=157(193)20+2x=68(194)124+3x=259(195)152+8x=184(196)148+2x=228(197)136+4x=264(198)66+35x=136(199)181-4x=53(200)162-46x=24(201)122-2x=42(202)56-2x=32(203)142-33x=43(204)151-11x=52(205)124-2x=98(206)120-11x=87(207)46-2x=42(208)4.9+0.4x=24.9(209)2.8+6.2x=21.4(210)16.4+0.8x=18(211)1.7+4.1x=14(212)8.7+0.8x=22.3(213)17.1+3.2x=36.3(214)5.5+1.5x=11.5(215)18.4+0.2x=35.2(216)18.7+2.2x=31.9(217)11.1+16x=25.5(218)3.4+4x=5.8(219)14+13x=25.7(220)11.2+32x=30.4(221)16.7+7x=29.3(222)12.8+2x=15(223)16.1+2x=32.7(224)16.9+17x=28.8(225)6.9+12x=16.5(226)16.1-0.4x=15.3(227)13.6-0.3x=1.6(228)13.4-0.4x=8.6(229)19.5-1.4x=2.7(230)19.2-0.7x=8.7(231)12-0.3x=4.5(232)12.6-0.8x=7.8(233)12.7-0.2x=10.9(234)12.4-0.2x=9.6(235)19.5-15x=7.5(236)15.8-15x=6.8(237)17.7-9x=6.9(238)18.9-39x=7.2(239)7.5-8x=5.9(240)13.5-2x=6.1(241)13.1-16x=9.9(242)19.4-2x=12(243)19.9-8x=12.7(244)6x÷18=11(245)4x÷26=6(246)16x÷2=40(247)12x÷48=4(248)65x÷39=5(249)6x÷9=14(250)66x÷99=2(251)24x÷6=32(252)18x÷9=10(253)2.4x÷16=1.2(254)2.4x÷12=0.8(255)2.5x÷40=0.5(256)0.8x÷4=1.8(257)0.4x÷13=1.2(258)0.3x÷21=0.9(259)0.2x÷6=2.9(260)0.4x÷7=1.6(261)0.3x÷18=0.4(262)14x÷42=0.2(263)18x÷27=0.4(264)64x÷8=1.6(265)3x÷4=2.4(266)10x÷2=2(267)5x÷6=3(268)36x÷9=0.8(269)44x÷6=2.2(270)18x÷12=1.2(271)4x+6x=120(272)11x+13x=288(273)14x+16x=360(274)18x+4x=110(275)17x+19x=252(276)3x+15x=198(277)11x+9x=140(278)14x+16x=330(279)9x+4x=130(280)13x-6x=21(281)11x-8x=48(282)11x-8x=39(283)14x-2x=72(284)10x-7x=48(285)15x-6x=18(286)13x-4x=27(287)5x-2x=69(288)13x-2x=165(289)7.4x+8.1x=170.5(290)0.5x+4.2x=37.6(291)8.9x+7.7x=66.4(292)2.6x+6.3x=17.8(293)0.7x+1.6x=124.2(294)1.9x+3.6x=137.5(295)2.1x+2.4x=153(296)0.9x+4.8x=68.4(297)0.2x+1x=104.4(298)7.8x-1.2x=46.2(299)5x-3.3x=3.4(300)4.7x-3.7x=7(301)4.5x-1.3x=28.8(302)8.3x-4.2x=8.2(303)6.8x-6x=1.6(304)1.2x-0.6x=33(305)4.4x-3.5x=14.4(306)4.2x-3.1x=13.2(307)2x+6x+3=139(308)3x+19x+20=130(309)6x+9x+27=267(310)4x+2x+24=324(311)13x+9x+7=95(312)14x+15x+7=268(313)10x+15x+31=206(314)11x+12x+19=111(315)6x+3x+11=29(316)12x+6x-17=235(317)10x+8x-38=88(318)4x+3x-7=105(319)18x+8x-43=35(320)11x+13x-40=152(321)9x+17x-22=108(322)3x+6x-14=283(323)3x+11x-14=210(324)7x+14x-44=208(325)12x-5x+30=58(326)18x-13x+48=93(327)6x-3x+48=120(328)17x-12x+39=54(329)16x-7x+17=44(330)8x-3x+46=111(331)14x-2x+15=75(332)14x-5x+10=109(333)6x-4x+7=53(334)5x-3x-47=13(335)11x-5x-36=48(336)5x-3x-21=41(337)10x-2x-41=111(338)9x-4x-45=20(339)15x-4x-24=86(340)15x-3x-45=75(341)15x-2x-32=59(342)17x-10x-30=26(343)2.7x+2x+2=138.3(344)5.1x+4.6x+1.4=79(345)1.4x+7.8x+4.5=96.5(346)1.9x+2x+4.5=172.2(347)9.2x+5.4x+1.1=88.7(348)4x+2.7x+1.2=128.5(349)1.7x+6.4x+3.2=59.9(350)1.3x+1.8x+0.8=50.4(351)2.9x+1.2x+4.4=90.5(352)14x+99x+1.1=68.9(353)68x+15x+3=102.6(354)86x+46x+2.5=55.3(355)41x+44x+3.9=105.9(356)46x+66x+0.5=123.7(357)18x+93x+3.1=114.1(358)13x+20x+0.5=119.3(359)23x+99x+3.5=113.3(360)60x+93x+4.6=142.3(361)9.7x+4.5x-3.7=109.9(362)0.6x+3.9x-0.8=107.2(363)6.6x+2.7x-1.7=26.2(364)4.2x+4.3x-0.6=135.4(365)4.3x+3x-3.4=84.2(366)2.5x+9.7x-2.1=83.3(367)1.1x+1.2x-1.5=37.6(368)3.3x+3.6x-3.1=59(369)6.6x+3.7x-0.3=30.6(370)24x+51x-1.3=118.7(371)13x+36x-0.4=87.8(372)86x+9x-4.6=42.9(373)13x+79x-0.8=63.6(374)24x+57x-2.9=134.8(375)45x+33x-0.8=147.4(376)10x+97x-2.8=72.1(377)54x+2x-4.4=40.4(378)15x+12x-0.9=169.2(379)7.8x-5.1x+4.9=31.9(380)3.4x-0.4x+3.7=48.7(381)1x-0.7x+2.7=27.9(382)9x-3.7x+3.2=13.8(383)4.8x-0.9x+3=49.8(384)4.5x-3.1x+3.1=33.9(385)4x-3.8x+3.4=4.4(386)7.6x-2.1x+4.4=59.4(387)2.5x-2x+4.4=20.9(388)48x-16x+3.3=64.1(389)33x-5x+4=9.6(390)57x-3x+4.1=58.1(391)57x-8x+4.8=63.6(392)67x-7x+0.9=48.9(393)26x-19x+3.2=9.5(394)58x-2x+3.5=76.3(395)80x-78x+4.6=5.6(396)42x-12x+4.9=25.9(397)2.6x-0.9x-1.1=46.5(398)1.9x-0.7x-3=42.6(399)3.1x-0.5x-0.5=7.3(400)1.6x-1.3x-2.9=13(401)1.6x-0.9x-2.1=26.6(402)2.4x-0.5x-4.6=48.6(403)7x-2x-2.9=42.1(404)7x-1x-2=22(405)5.1x-3.3x-2.7=8.1(406)79x-2x-3.8=73.2(407)66x-28x-2.3=31.9(408)12x-6x-1.6=23.6(409)15x-8x-2.5=23.4(410)35x-25x-3.8=19.2(411)68x-55x-2.6=6.5(412)64x-15x-0.8=67.8(413)79x-24x-3.5=24(414)18x-10x-1.6=40.8(415)9x+37×4=166(416)5x+20×7=175(417)15x+17×4=98(418)6x+60×3=372(419)8x+26×4=176(420)18x+24×5=318(421)5x+6×19=209(422)19x+2×29=134(423)11x+5×30=238(424)5x-6×17=48(425)18x-4×13=146(426)8x-5×14=34(427)5x-11×15=20(428)18x-8×11=92(429)17x-6×24=26(430)25x-4×26=71(431)2x-14×8=54(432)8x-10×3=114(433)4.5x+0.3×7=11.1(434)1.8x+3.3×6=25.2(435)1.9x+2.5×4=25.2(436)2.3x+0.2×29=17.3(437)2.7x+0.6×31=37.5(438)2.2x+0.8×12=20.6(439)0.5x+0.3×43=20.4(440)1.2x+2.1×6=19.8(441)0.3x+1.2×15=24(442)3x+9×1.4=17.7(443)13x+2×2=18.3(444)11x+13×0.4=7.4(445)15x+27×0.2=17.4(446)30x+5×2.7=22.5(447)3x+19×0.9=21.3(448)4x+5×1.7=27.3(449)11x+18×0.4=12.7(450)3x+7×0.5=14.6(451)0.6x-1.3×2=10.6(452)4.3x-0.2×39=5.1(453)4.8x-4.5×2=5.4(454)1.2x-0.3×23=11.1(455)0.3x-1.6×2=8.8(456)4.8x-2.5×3=11.7(457)0.6x-0.5×33=1.5(458)1x-0.6×8=15.2(459)0.2x-0.2×24=3.2(460)16x-23×0.2=5(461)27x-7×0.3=16.8(462)5x-4×4.7=1.2(463)4x-6×1.8=6.8(464)6x-7×2=3.4(465)3x-2×4.4=5.6(466)5x-3×2.1=1.2(467)12x-14×0.4=13.6(468)5x-8×0.6=7.7(469)2(11x+21)=196(470)4(x+4)=56(471)2(7x+32)=148(472)3(11x+3)=75(473)4(12x+14)=152(474)3(x+8)=111(475)3(x+24)=156(476)14(x+3)=70(477)2(x+30)=66(478)8(2x-5)=120(479)10(4x-12)=160(480)2(6x-33)=42(481)11(x-18)=132(482)5(21x-44)=95(483)2(3x-28)=22(484)8(22x-29)=120(485)4(5x-19)=144(486)3(14x-16)=78(487)3(1.5x+3.1)=22.8(488)4(0.3x+4.3)=44.8(489)4(0.5x+1)=24(490)2(0.2x+8.9)=28.6(491)2(0.4x+1.2)=6.4(492)6(0.2x+1.6)=40.8(493)2(5.4x+6.4)=45.2(494)2(1.4x+6.4)=46.4(495)3(0.8x+4.2)=39(496)16(0.2x-2)=22.4(497)2(5x-2)=36(498)5(0.6x-3.3)=22.5(499)24(0.4x-5.4)=43.2(500)10(0.5x-8.7)=18(501)27(3.9x-6.3)=40.5(502)3(2.8x-2.1)=18.9(503)2(2.1x-6.3)=46.2(504)2(4.4x-7.7)=46.2(505)(16x+9)÷37=5(506)(2x+7)÷7=3(507)(2x+9)÷31=1(508)(7x+4)÷5=19(509)(17x+34)÷15=17(510)(3x+7)÷38=2(511)(5x+47)÷7=16(512)(13x+38)÷3=95(513)(8x+43)÷5=55(514)(12x-16)÷2=10(515)(10x-24)÷12=13(516)(17x-21)÷7=14(517)(2x-2)÷34=1(518)(14x-38)÷4=15(519)(11x-16)÷4=40(520)(6x-40)÷11=10(521)(9x-31)÷19=5(522)(12x-42)÷3=18(523)(0.5x+6.5)÷8=1(524)(4.2x+7.6)÷23=3.8(525)(2.4x+5.4)÷2=7.5(526)(5.8x+3.8)÷2=48.3(527)(2.1x+5.1)÷23=1.5(528)(6.8x+1.8)÷2=14.5(529)(9.3x+7.9)÷13=4.9(530)(1.8x+1)÷20=0.5(531)(5.3x+4.5)÷11=8.6(532)(7.4x-1.6)÷38=2.1(533)(1.5x-2.7)÷12=1.9(534)(0.5x-1.3)÷3=2.4(535)(5.6x-9.2)÷4=14.5(536)(4.9x-2.1)÷9=1.4(537)(3.1x-5.7)÷11=2.3(538)(1.4x-1.9)÷3=5.9(539)(3.6x-1.9)÷19=3.5(540)(5.1x-2.4)÷3=26.4参考答案(1)x=10(2)x=96(3)x=79(4)x=39(5)x=21(6)x=56(7)x=7(8)x=10(9)x=64(10)x=93(11)x=70(12)x=35(13)x=29(14)x=94(15)x=63(16)x=80(17)x=56(18)x=56(19)x=9.3(20)x=1(21)x=3.4(22)x=2.4(23)x=7.2(24)x=4.5(25)x=2(26)x=1(27)x=5.1(28)x=4.8(29)x=7.4(30)x=8.9(31)x=3.5(32)x=6.1(33)x=7.2(34)x=6.8(35)x=9.8(36)x=8.4(37)x=39(38)x=59(39)x=2(40)x=87(41)x=13(42)x=86(43)x=48(44)x=80(45)x=93(46)x=14(47)x=11(48)x=6(49)x=18(50)x=47(51)x=41(52)x=22(53)x=5(54)x=45(55)x=0.8(56)x=3.1(57)x=2.8(58)x=3(59)x=3.4(60)x=6.1(61)x=3.4(62)x=2.7(63)x=8.1(64)x=7.2(65)x=1(66)x=7.5(67)x=1.2(68)x=2.5(69)x=4(70)x=1.6(71)x=1.7(72)x=5.4(73)x=37(74)x=7(75)x=4(76)x=28(77)x=44(78)x=3(79)x=33(80)x=49(81)x=7(82)x=8(83)x=15(84)x=18(85)x=2(86)x=5(87)x=3(88)x=36(89)x=17(90)x=3(91)x=0.2(92)x=0.4(93)x=0.3(94)x=4.5(95)x=0.2(96)x=0.3(97)x=2.7(98)x=0.2(99)x=0.3(100)x=57(101)x=17(102)x=22(103)x=2(104)x=3(105)x=31(106)x=10(107)x=22(108)x=5(109)x=8(110)x=12(111)x=2(112)x=79(113)x=18(114)x=25(115)x=32(116)x=5(117)x=52(118)x=147(119)x=182(120)x=44(121)x=114(122)x=144(123)x=20(124)x=12(125)x=132(126)x=90(127)x=11.6(128)x=18.4(129)x=16.2(130)x=11.6(131)x=18.4(132)x=6.8(133)x=18.9(134)x=12(135)x=10(136)x=5(137)x=50(138)x=34(139)x=92(140)x=12(141)x=8(142)x=14(143)x=2(144)x=96(145)x=16(146)x=2(147)x=19(148)x=2(149)x=2(150)x=35(151)x=3(152)x=13(153)x=7(154)x=8.6(155)x=3.2(156)x=0.2(157)x=3.1(158)x=0.3(159)x=1.4(160)x=0.6(161)x=1.8(162)x=0.3(163)x=2(164)x=3(165)x=10(166)x=5(167)x=12(168)x=2(169)x=45(170)x=57(171)x=23(172)x=0.8(173)x=4.7(174)x=4.1(175)x=3.5(176)x=0.6(177)x=6.6(178)x=9.2(179)x=4.7(180)x=0.2(181)x=5(182)x=62(183)x=40(184)x=62(185)x=6(186)x=2(187)x=7(188)x=14(189)x=76(190)x=23(191)x=21(192)x=8(193)x=24(194)x=45(195)x=4(196)x=40(197)x=32(198)x=2(199)x=32(200)x=3(201)x=40(202)x=12(203)x=3(204)x=9(205)x=13(206)x=3(207)x=2(208)x=50(209)x=3(210)x=2(211)x=3(212)x=17(213)x=6(214)x=4(215)x=84(216)x=6(217)x=0.9(218)x=0.6(219)x=0.9(220)x=0.6(221)x=1.8(222)x=1.1(223)x=8.3(224)x=0.7(225)x=0.8(226)x=2(227)x=40(228)x=12(229)x=12(230)x=15(231)x=25(232)x=6(233)x=9(234)x=14(235)x=0.8(236)x=0.6(237)x=1.2(238)x=0.3(239)x=0.2(240)x=3.7(241)x=0.2(242)x=3.7(243)x=0.9(244)x=33(245)x=39(246)x=5(247)x=16(248)x=3(249)x=21(250)x=3(251)x=8(252)x=5(253)x=8(254)x=4(255)x=8(256)x=9(257)x=39(258)x=63(259)x=87(260)x=28(261)x=24(262)x=0.6(263)x=0.6(264)x=0.2(265)x=3.2(266)x=0.4(267)x=3.6(268)x=0.2(269)x=0.3(270)x=0.8(271)x=12(272)x=12(273)x=12(274)x=5(275)x=7(276)x=11(277)x=7(278)x=11(279)x=10(280)x=3(281)x=16(282)x=13(283)x=6(284)x=16(285)x=2(286)x=3(287)x=23(288)x=15(289)x=11(290)x=8(291)x=4(292)x=2(293)x=54(294)x=25(295)x=34(296)x=12(297)x=87(298)x=7(299)x=2(300)x=7(301)x=9(302)x=2(303)x=2(304)x=55(305)x=16(306)x=12(307)x=17(308)x=5(309)x=16(310)x=50(311)x=4(312)x=9(313)x=7(314)x=4(315)x=2(316)x=14(317)x=7(318)x=16(319)x=3(320)x=8(321)x=5(322)x=33(323)x=16(324)x=12(325)x=4(326)x=9(327)x=24(328)x=3(329)x=3(330)x=13(331)x=5(332)x=11(333)x=23(334)x=30(335)x=14(336)x=31(337)x=19(338)x=13(339)x=10(340)x=10(341)x=7(342)x=8(343)x=29(344)x=8(345)x=10(346)x=43(347)x=6(348)x=19(349)x=7(350)x=16(351)x=21(352)x=0.6(353)x=1.2(354)x=0.4(355)x=1.2(356)x=1.1(357)x=1(358)x=3.6(359)x=0.9(360)x=0.9(361)x=8(362)x=24(363)x=3(364)x=16(365)x=12(366)x=7(367)x=17(368)x=9(369)x=3(370)x=1.6(371)x=1.8(372)x=0.5(373)x=0.7(374)x=1.7(375)x=1.9(376)x=0.7(377)x=0.8(378)x=6.3(379)x=10(380)x=15(381)x=84(382)x=2(383)x=12(384)x=22(385)x=5(386)x=10(387)x=33(388)x=1.9(389)x=0.2(390)x=1(391)x=1.2(392)