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=133(2)x+58=119(3)x+52=124(4)x+29=97(5)x+86=115(6)x+78=137(7)x+99=125(8)x+48=134(9)x+77=148(10)x-17=77(11)x-18=72(12)x-18=68(13)x-37=31(14)x-23=74(15)x-16=58(16)x-53=14(17)x-53=26(18)x-16=11(19)x+8.9=12.8(20)x+0.2=2.4(21)x+8.6=12.2(22)x+8.5=9.4(23)x+3=8.2(24)x+2.5=6.9(25)x+3.8=10.4(26)x+6.1=14.6(27)x+6.7=15.5(28)x-5.4=1.4(29)x-1.1=4.5(30)x-2.7=2.2(31)x-0.5=8.5(32)x-5=3.3(33)x-0.7=6.9(34)x-4=5.4(35)x-6.4=1.5(36)x-3.2=3.5(37)92+x=171(38)75+x=157(39)46+x=76(40)80+x=179(41)14+x=96(42)85+x=164(43)83+x=162(44)51+x=144(45)90+x=117(46)76-x=65(47)96-x=94(48)92-x=80(49)86-x=59(50)93-x=21(51)91-x=83(52)68-x=13(53)71-x=63(54)65-x=41(55)3.8+x=7.9(56)6.7+x=12.6(57)7.2+x=9.6(58)7.7+x=11.7(59)6.1+x=16(60)8.4+x=11.5(61)3.2+x=9.4(62)9.4+x=16.8(63)1.7+x=8.5(64)9.4-x=8.5(65)9.4-x=2.2(66)8.3-x=3.9(67)5.8-x=5.6(68)6.9-x=6.6(69)8-x=6.8(70)8.8-x=1.4(71)7.3-x=5.8(72)6.2-x=1.3(73)7x=49(74)3x=192(75)9x=198(76)9x=144(77)3x=108(78)12x=96(79)59x=118(80)64x=128(81)33x=165(82)1.3x=10.4(83)1x=8(84)0.6x=19.8(85)0.2x=3(86)0.2x=13.2(87)3.5x=7(88)6.6x=13.2(89)6.4x=12.8(90)0.4x=2.4(91)5x=15(92)3x=16.8(93)7x=18.9(94)4x=20(95)32x=19.2(96)11x=17.6(97)19x=11.4(98)2x=5(99)20x=20(100)54÷x=9(101)39÷x=13(102)28÷x=14(103)54÷x=3(104)96÷x=2(105)36÷x=9(106)96÷x=6(107)144÷x=8(108)99÷x=9(109)17.4÷x=0.6(110)4.2÷x=0.3(111)13.8÷x=4.6(112)9.3÷x=3.1(113)12÷x=2(114)11.2÷x=0.8(115)5.7÷x=1.9(116)13.2÷x=0.6(117)4÷x=1(118)x÷19=5(119)x÷25=6(120)x÷20=5(121)x÷7=16(122)x÷5=37(123)x÷24=8(124)x÷8=16(125)x÷68=2(126)x÷3=22(127)x÷47=0.3(128)x÷2=1.3(129)x÷12=0.5(130)x÷53=0.2(131)x÷26=0.6(132)x÷3=3.3(133)x÷2=2.2(134)x÷66=0.3(135)x÷6=1(136)20x+39=119(137)13x+41=132(138)57x+18=189(139)63x+29=155(140)5x+10=210(141)19x+36=226(142)12x+39=183(143)4x+28=172(144)26x+14=144(145)3x-31=53(146)5x-22=53(147)25x-26=124(148)14x-38=102(149)9x-35=73(150)5x-38=72(151)17x-21=115(152)3x-31=47(153)2x-26=124(154)13x+4.7=19(155)87x+3.1=20.5(156)26x+5=23.2(157)2x+2=15.2(158)2x+5.3=13.3(159)36x+1.4=15.8(160)62x+1.3=13.7(161)3x+2.5=7.6(162)28x+3.6=9.2(163)0.7x+2.3=6.5(164)2.2x+4.5=17.7(165)3.4x+5.2=22.2(166)0.6x+5.5=22.3(167)1.1x+2=17.4(168)2.1x+4.8=15.3(169)8.3x+5.1=21.7(170)0.5x+3.7=15.2(171)1.8x+5.1=10.5(172)20x-5.2=10.8(173)4x-3.7=8.3(174)78x-2.3=13.3(175)10x-1.5=17.5(176)31x-1=17.6(177)21x-3.6=15.3(178)24x-4.7=9.7(179)7x-4.3=1.3(180)21x-1.5=13.2(181)0.2x-5.9=9.5(182)5.9x-2.4=9.4(183)2.4x-1.6=8(184)0.3x-2.8=5.9(185)0.5x-4=10(186)4.9x-1.7=8.1(187)0.2x-5.3=9.1(188)3.4x-2.3=14.7(189)0.7x-3.2=9.4(190)65+17x=167(191)75+7x=145(192)114+57x=285(193)197+8x=397(194)184+2x=216(195)62+2x=176(196)75+3x=213(197)90+13x=285(198)97+9x=250(199)122-5x=77(200)176-6x=86(201)128-4x=12(202)95-7x=74(203)121-50x=21(204)75-7x=19(205)64-16x=16(206)163-4x=79(207)193-2x=21(208)11.5+0.6x=25.9(209)7.4+4.1x=23.8(210)15.4+0.5x=16.4(211)2.7+0.2x=21.1(212)2.5+0.7x=13.7(213)2.2+9.5x=21.2(214)6.6+4.2x=23.4(215)10.6+8.2x=27(216)19.3+9.7x=38.7(217)14.6+2x=32.4(218)9.3+4x=26.1(219)14.6+14x=28.6(220)8.9+9x=20.6(221)5.8+77x=21.2(222)5.5+9x=21.7(223)13+6x=20.8(224)14+5x=33(225)1.9+2x=14.9(226)12.3-2.4x=7.5(227)13.1-0.2x=11.7(228)17-0.2x=11(229)18.3-0.8x=4.7(230)14.3-4.2x=5.9(231)13.7-0.3x=11(232)12.7-0.4x=9.9(233)11.8-0.6x=7.6(234)14.6-4.1x=6.4(235)9-6x=4.8(236)17.1-17x=13.7(237)10.8-34x=4(238)8.5-12x=2.5(239)18.3-14x=11.3(240)11.8-5x=10.8(241)14.1-54x=3.3(242)10.9-3x=7.9(243)4.2-16x=1(244)2x÷31=4(245)5x÷7=20(246)2x÷12=7(247)40x÷10=20(248)78x÷6=26(249)10x÷5=6(250)15x÷45=3(251)2x÷24=6(252)8x÷28=2(253)1.2x÷56=0.3(254)1.6x÷88=0.2(255)8.1x÷18=0.9(256)0.4x÷5=1.2(257)1.8x÷4=0.9(258)0.8x÷16=1.1(259)2.8x÷24=0.7(260)0.4x÷11=1.6(261)0.8x÷4=4.6(262)2x÷6=1.7(263)44x÷66=0.2(264)6x÷81=0.2(265)14x÷21=0.6(266)2x÷6=0.4(267)18x÷9=1.4(268)14x÷4=0.7(269)45x÷5=1.8(270)2x÷7=1.6(271)5x+4x=180(272)10x+13x=253(273)18x+7x=250(274)9x+8x=374(275)7x+4x=264(276)5x+7x=204(277)19x+8x=270(278)7x+6x=364(279)11x+5x=64(280)8x-3x=55(281)19x-7x=72(282)19x-15x=24(283)5x-2x=18(284)11x-6x=15(285)15x-8x=35(286)6x-3x=99(287)19x-17x=14(288)9x-4x=75(289)3.2x+9.8x=65(290)8x+4.9x=129(291)1.9x+4x=82.6(292)5.6x+2.4x=128(293)9x+2.3x=101.7(294)8.8x+6.4x=106.4(295)7.7x+6.3x=140(296)1.2x+9.1x=72.1(297)3.4x+3.5x=69(298)1.6x-1.4x=6(299)8.6x-8x=6(300)2.3x-1.1x=28.8(301)6.1x-1.9x=42(302)6.8x-3.3x=38.5(303)3.6x-0.5x=40.3(304)1.1x-0.2x=12.6(305)6x-0.5x=44(306)9.1x-3.8x=21.2(307)16x+6x+21=285(308)5x+2x+12=110(309)18x+13x+40=164(310)10x+7x+8=161(311)7x+18x+7=107(312)2x+3x+40=320(313)8x+17x+34=184(314)2x+12x+32=242(315)15x+18x+37=202(316)14x+3x-10=58(317)7x+4x-2=284(318)4x+2x-4=26(319)4x+3x-12=100(320)10x+13x-8=176(321)5x+10x-14=31(322)8x+5x-44=86(323)13x+16x-6=52(324)4x+2x-26=100(325)13x-5x+18=98(326)13x-8x+7=27(327)15x-13x+38=60(328)14x-4x+27=107(329)11x-9x+27=43(330)11x-2x+11=146(331)16x-9x+21=98(332)9x-6x+34=97(333)10x-7x+24=36(334)19x-10x-27=27(335)7x-3x-5=15(336)6x-2x-41=75(337)11x-2x-49=41(338)10x-4x-34=32(339)8x-3x-2=98(340)8x-6x-30=10(341)14x-2x-8=124(342)14x-7x-22=62(343)6.4x+3.9x+4.2=127.8(344)2.5x+1.5x+4.1=164.1(345)7x+4.8x+1=107.2(346)2.2x+0.6x+1.1=68.3(347)1.8x+5.6x+3.2=84.6(348)1.2x+1.5x+4.5=153(349)5.3x+3.5x+3.7=91.7(350)3.4x+1.8x+3.3=154.1(351)2.6x+1.6x+3.6=66.6(352)38x+34x+1.7=88.1(353)44x+43x+0.2=139.4(354)19x+66x+3=45.5(355)66x+31x+4.5=140.3(356)31x+89x+3.6=123.6(357)48x+76x+0.9=112.5(358)56x+58x+2.8=82.6(359)37x+39x+2.3=78.3(360)6x+14x+4.7=60.7(361)3.2x+0.5x-4.1=106.9(362)6.8x+5.4x-2.4=144(363)6.9x+1.3x-0.2=24.4(364)1.6x+4.9x-3=94.5(365)7.1x+8.8x-1.7=157.3(366)3.7x+2.5x-4.8=88.2(367)5.5x+4.5x-4.3=135.7(368)6.6x+5.4x-4.9=163.1(369)6.5x+8.4x-0.5=59.1(370)35x+12x-1.6=40.7(371)31x+43x-3.6=137(372)4x+91x-4.7=71.3(373)22x+27x-1.6=13.1(374)53x+67x-2.2=57.8(375)8x+16x-1=49.4(376)7x+37x-4.1=22.3(377)3x+64x-2.7=64.3(378)7x+5x-3.9=8.1(379)6.9x-3.4x+1.3=8.3(380)1.6x-0.2x+0.3=50.7(381)9.4x-3x+1.9=59.5(382)1.3x-0.8x+1.7=22.2(383)3.1x-2.7x+4.4=13.2(384)3.9x-3x+4.4=10.7(385)8.4x-2.2x+3.2=71.4(386)3.7x-1.7x+0.5=16.5(387)2.8x-2.3x+0.7=16.7(388)76x-10x+0.4=86.2(389)32x-9x+2.2=25.2(390)20x-17x+0.7=12.1(391)88x-78x+4.4=9.4(392)97x-5x+4.5=22.9(393)43x-31x+0.6=18.6(394)69x-19x+4.7=29.7(395)70x-62x+1.3=3.7(396)60x-23x+3.5=51.6(397)3.6x-1.1x-3.1=46.9(398)9.9x-8.5x-1.7=3.9(399)1.1x-0.7x-3.4=28.2(400)3.4x-1.3x-0.5=37.3(401)8.4x-7.7x-4.8=1.5(402)9.5x-1.7x-0.6=77.4(403)8.6x-1.3x-0.3=21.6(404)2.7x-0.5x-4.1=2.5(405)1.6x-0.6x-2.8=5.2(406)93x-56x-3=30.3(407)13x-11x-3.8=9(408)86x-13x-2.9=70.1(409)46x-15x-3.7=49(410)41x-37x-4.6=2.2(411)87x-34x-4.8=48.2(412)83x-41x-1.4=49(413)40x-34x-3.4=3.8(414)62x-35x-3.9=25.8(415)12x+4×13=160(416)8x+7×2=70(417)22x+17×7=207(418)19x+3×53=292(419)28x+14×9=322(420)3x+8×13=287(421)15x+72×2=264(422)11x+2×60=263(423)2x+4×19=90(424)6x-17×8=26(425)9x-2×55=79(426)20x-7×2=106(427)7x-3×46=23(428)29x-26×2=35(429)3x-9×2=93(430)7x-41×2=44(431)3x-3×42=30(432)5x-33×5=30(433)3.5x+1×7=14(434)1.2x+0.5×39=36.3(435)3.6x+4.9×4=30.4(436)0.2x+0.2×29=12.4(437)0.5x+0.8×2=2.6(438)0.3x+0.7×3=8.7(439)1.8x+0.3×41=23.1(440)0.4x+2.2×7=24.2(441)0.3x+1.6×10=21.4(442)7x+48×0.3=21.4(443)2x+39×0.4=18.2(444)7x+23×0.4=26(445)3x+13×0.8=23.3(446)2x+3×1.7=12.1(447)36x+11×0.6=24.6(448)22x+27×0.2=14.2(449)5x+19×0.5=16(450)10x+24×0.5=32(451)1.8x-0.2×17=11(452)0.2x-0.2×30=1.4(453)1.7x-2.6×2=10.1(454)0.4x-0.5×13=12.7(455)0.6x-1.3×4=6.8(456)0.3x-0.3×11=8.4(457)1.2x-0.6×14=7.2(458)0.6x-0.3×36=6(459)2.4x-0.8×12=9.6(460)5x-4×3.7=2.7(461)40x-49×0.2=6.2(462)7x-9×1=1.5(463)8x-26×0.5=5.4(464)3x-26×0.2=6.2(465)8x-47×0.2=2.6(466)11x-4×1.1=2.2(467)6x-2×4.9=8.2(468)25x-2×1.4=2.2(469)2(13x+22)=122(470)2(5x+17)=194(471)3(18x+7)=129(472)2(4x+19)=150(473)4(4x+9)=68(474)2(5x+39)=98(475)2(8x+4)=200(476)2(16x+30)=124(477)2(x+12)=80(478)2(4x-5)=30(479)17(5x-4)=187(480)7(5x-48)=84(481)3(20x-45)=165(482)3(5x-26)=177(483)6(12x-3)=198(484)4(14x-2)=104(485)2(25x-41)=118(486)2(x-5)=42(487)5(x+2.2)=41(488)3(1.2x+0.4)=26.4(489)3(0.2x+7.3)=23.7(490)9(x+0.9)=26.1(491)2(0.2x+9.3)=36.6(492)24(0.4x+0.4)=38.4(493)2(1.1x+4.1)=28(494)8(1.3x+3.1)=45.6(495)3(3x+7.8)=41.4(496)9(0.6x-0.6)=43.2(497)3(1.6x-8.2)=33(498)2(4.3x-1.7)=22.4(499)7(1.3x-3.6)=38.5(500)8(0.4x-9.1)=29.6(501)5(3x-5.1)=49.5(502)5(0.3x-0.5)=39.5(503)9(0.2x-5.6)=23.4(504)2(2.9x-4.8)=7.8(505)(x+46)÷15=4(506)(4x+13)÷3=23(507)(3x+26)÷16=2(508)(11x+4)÷5=47(509)(3x+27)÷4=21(510)(3x+20)÷5=19(511)(6x+30)÷2=39(512)(9x+39)÷22=12(513)(11x+30)÷2=114(514)(10x-10)÷2=55(515)(12x-24)÷16=12(516)(4x-22)÷19=2(517)(16x-2)÷2=39(518)(15x-15)÷9=20(519)(19x-17)÷5=46(520)(13x-12)÷2=46(521)(8x-36)÷2=86(522)(6x-22)÷16=8(523)(3.2x+9.1)÷3=16.9(524)(5.2x+9.9)÷7=8.1(525)(2.9x+5.5)÷31=1.3(526)(6.5x+6.6)÷6=14.1(527)(4.1x+8.4)÷4=14.4(528)(1.5x+6.1)÷2=11.3(529)(2.8x+7.2)÷2=14.8(530)(2.1x+5.3)÷2=12.1(531)(6.4x+8.7)÷3=9.3(532)(9.5x-8.5)÷4=5(533)(1.5x-9.9)÷18=0.2(534)(2.6x-6)÷9=0.2(535)(1.2x-6)÷2=4.2(536)(5.8x-7.4)÷3=13(537)(x-8.4)÷16=0.6(538)(6.4x-3.6)÷7=6.8(539)(9.8x-3.8)÷8=8.1(540)(4.7x-4.2)÷2=30.8参考答案(1)x=96(2)x=61(3)x=72(4)x=68(5)x=29(6)x=59(7)x=26(8)x=86(9)x=71(10)x=94(11)x=90(12)x=86(13)x=68(14)x=97(15)x=74(16)x=67(17)x=79(18)x=27(19)x=3.9(20)x=2.2(21)x=3.6(22)x=0.9(23)x=5.2(24)x=4.4(25)x=6.6(26)x=8.5(27)x=8.8(28)x=6.8(29)x=5.6(30)x=4.9(31)x=9(32)x=8.3(33)x=7.6(34)x=9.4(35)x=7.9(36)x=6.7(37)x=79(38)x=82(39)x=30(40)x=99(41)x=82(42)x=79(43)x=79(44)x=93(45)x=27(46)x=11(47)x=2(48)x=12(49)x=27(50)x=72(51)x=8(52)x=55(53)x=8(54)x=24(55)x=4.1(56)x=5.9(57)x=2.4(58)x=4(59)x=9.9(60)x=3.1(61)x=6.2(62)x=7.4(63)x=6.8(64)x=0.9(65)x=7.2(66)x=4.4(67)x=0.2(68)x=0.3(69)x=1.2(70)x=7.4(71)x=1.5(72)x=4.9(73)x=7(74)x=64(75)x=22(76)x=16(77)x=36(78)x=8(79)x=2(80)x=2(81)x=5(82)x=8(83)x=8(84)x=33(85)x=15(86)x=66(87)x=2(88)x=2(89)x=2(90)x=6(91)x=3(92)x=5.6(93)x=2.7(94)x=5(95)x=0.6(96)x=1.6(97)x=0.6(98)x=2.5(99)x=1(100)x=6(101)x=3(102)x=2(103)x=18(104)x=48(105)x=4(106)x=16(107)x=18(108)x=11(109)x=29(110)x=14(111)x=3(112)x=3(113)x=6(114)x=14(115)x=3(116)x=22(117)x=4(118)x=95(119)x=150(120)x=100(121)x=112(122)x=185(123)x=192(124)x=128(125)x=136(126)x=66(127)x=14.1(128)x=2.6(129)x=6(130)x=10.6(131)x=15.6(132)x=9.9(133)x=4.4(134)x=19.8(135)x=6(136)x=4(137)x=7(138)x=3(139)x=2(140)x=40(141)x=10(142)x=12(143)x=36(144)x=5(145)x=28(146)x=15(147)x=6(148)x=10(149)x=12(150)x=22(151)x=8(152)x=26(153)x=75(154)x=1.1(155)x=0.2(156)x=0.7(157)x=6.6(158)x=4(159)x=0.4(160)x=0.2(161)x=1.7(162)x=0.2(163)x=6(164)x=6(165)x=5(166)x=28(167)x=14(168)x=5(169)x=2(170)x=23(171)x=3(172)x=0.8(173)x=3(174)x=0.2(175)x=1.9(176)x=0.6(177)x=0.9(178)x=0.6(179)x=0.8(180)x=0.7(181)x=77(182)x=2(183)x=4(184)x=29(185)x=28(186)x=2(187)x=72(188)x=5(189)x=18(190)x=6(191)x=10(192)x=3(193)x=25(194)x=16(195)x=57(196)x=46(197)x=15(198)x=17(199)x=9(200)x=15(201)x=29(202)x=3(203)x=2(204)x=8(205)x=3(206)x=21(207)x=86(208)x=24(209)x=4(210)x=2(211)x=92(212)x=16(213)x=2(214)x=4(215)x=2(216)x=2(217)x=8.9(218)x=4.2(219)x=1(220)x=1.3(221)x=0.2(222)x=1.8(223)x=1.3(224)x=3.8(225)x=6.5(226)x=2(227)x=7(228)x=30(229)x=17(230)x=2(231)x=9(232)x=7(233)x=7(234)x=2(235)x=0.7(236)x=0.2(237)x=0.2(238)x=0.5(239)x=0.5(240)x=0.2(241)x=0.2(242)x=1(243)x=0.2(244)x=62(245)x=28(246)x=42(247)x=5(248)x=2(249)x=3(250)x=9(251)x=72(252)x=7(253)x=14(254)x=11(255)x=2(256)x=15(257)x=2(258)x=22(259)x=6(260)x=44(261)x=23(262)x=5.1(263)x=0.3(264)x=2.7(265)x=0.9(266)x=1.2(267)x=0.7(268)x=0.2(269)x=0.2(270)x=5.6(271)x=20(272)x=11(273)x=10(274)x=22(275)x=24(276)x=17(277)x=10(278)x=28(279)x=4(280)x=11(281)x=6(282)x=6(283)x=6(284)x=3(285)x=5(286)x=33(287)x=7(288)x=15(289)x=5(290)x=10(291)x=14(292)x=16(293)x=9(294)x=7(295)x=10(296)x=7(297)x=10(298)x=30(299)x=10(300)x=24(301)x=10(302)x=11(303)x=13(304)x=14(305)x=8(306)x=4(307)x=12(308)x=14(309)x=4(310)x=9(311)x=4(312)x=56(313)x=6(314)x=15(315)x=5(316)x=4(317)x=26(318)x=5(319)x=16(320)x=8(321)x=3(322)x=10(323)x=2(324)x=21(325)x=10(326)x=4(327)x=11(328)x=8(329)x=8(330)x=15(331)x=11(332)x=21(333)x=4(334)x=6(335)x=5(336)x=29(337)x=10(338)x=11(339)x=20(340)x=20(341)x=11(342)x=12(343)x=12(344)x=40(345)x=9(346)x=24(347)x=11(348)x=55(349)x=10(350)x=29(351)x=15(352)x=1.2(353)x=1.6(354)x=0.5(355)x=1.4(356)x=1(357)x=0.9(358)x=0.7(359)x=1(360)x=2.8(361)x=30(362)x=12(363)x=3(364)x=15(365)x=10(366)x=15(367)x=14(368)x=14(369)x=4(370)x=0.9(371)x=1.9(372)x=0.8(373)x=0.3(374)x=0.5(375)x=2.1(376)x=0.6(377)x=1(378)x=1(379)x=2(380)x=36(381)x=9(382)x=41(383)x=22(384)x=7(385)x=11(386)x=8(387)x=32(388)x=1.3(389)x=1(390)x=3.8(391)x=0