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+76=120(2)x+34=58(3)x+98=108(4)x+90=179(5)x+71=129(6)x+15=88(7)x+80=167(8)x+39=42(9)x+79=96(10)x-22=25(11)x-49=22(12)x-52=16(13)x-16=63(14)x-22=54(15)x-56=22(16)x-34=33(17)x-15=20(18)x-34=13(19)x+5.7=14.7(20)x+4.4=8.4(21)x+1.5=10.2(22)x+1.6=10.6(23)x+7.3=14.8(24)x+3.1=9.9(25)x+9=9.5(26)x+0.8=6.7(27)x+4.5=7.1(28)x-1=3.7(29)x-0.5=9.3(30)x-2.5=4.7(31)x-4.1=3.5(32)x-4=5.4(33)x-2.5=5.1(34)x-5.1=4.8(35)x-0.3=4.8(36)x-0.9=3.2(37)45+x=95(38)46+x=106(39)83+x=169(40)77+x=174(41)61+x=113(42)59+x=117(43)55+x=79(44)7+x=88(45)73+x=153(46)91-x=53(47)78-x=11(48)27-x=21(49)74-x=60(50)82-x=36(51)84-x=65(52)74-x=35(53)83-x=54(54)92-x=72(55)6.3+x=7.4(56)6.5+x=13.7(57)5.2+x=14.7(58)8.6+x=12.7(59)3.7+x=8.8(60)3.7+x=6.1(61)5+x=9.5(62)0.7+x=2.9(63)4.2+x=11.3(64)3.2-x=1.4(65)8.7-x=3.6(66)6.3-x=1.2(67)8.2-x=3.6(68)5.9-x=5(69)9.5-x=6.1(70)9.3-x=6.7(71)9.6-x=4.2(72)7.9-x=2.1(73)47x=188(74)7x=182(75)2x=84(76)6x=24(77)2x=18(78)2x=46(79)3x=93(80)9x=171(81)22x=176(82)0.9x=4.5(83)1.1x=7.7(84)5.3x=15.9(85)0.6x=11.4(86)0.2x=11.8(87)0.7x=12.6(88)0.8x=14.4(89)1.1x=8.8(90)9.6x=19.2(91)2x=8.4(92)8x=2.4(93)3x=18.6(94)7x=16.8(95)15x=19.5(96)25x=15(97)2x=1(98)6x=5.4(99)23x=18.4(100)90÷x=18(101)42÷x=14(102)185÷x=37(103)176÷x=16(104)152÷x=8(105)192÷x=3(106)166÷x=2(107)154÷x=14(108)136÷x=4(109)9.9÷x=0.3(110)13.6÷x=0.4(111)11.1÷x=3.7(112)4.8÷x=1.6(113)18÷x=0.4(114)1.5÷x=0.5(115)19.6÷x=0.7(116)10÷x=2.5(117)5.5÷x=0.5(118)x÷12=15(119)x÷8=10(120)x÷13=12(121)x÷15=13(122)x÷22=2(123)x÷9=5(124)x÷11=4(125)x÷5=2(126)x÷6=21(127)x÷97=0.2(128)x÷2=2.4(129)x÷21=0.9(130)x÷66=0.3(131)x÷2=1.2(132)x÷15=0.5(133)x÷26=0.7(134)x÷59=0.3(135)x÷3=1.7(136)11x+42=207(137)4x+21=37(138)5x+15=45(139)64x+43=171(140)7x+23=37(141)11x+48=246(142)12x+54=114(143)83x+39=205(144)2x+23=185(145)58x-48=68(146)2x-15=179(147)16x-32=80(148)30x-41=79(149)2x-24=138(150)2x-52=88(151)4x-13=163(152)33x-53=13(153)2x-26=168(154)5x+1.4=6.9(155)8x+5=9.8(156)23x+3.9=13.1(157)21x+3.5=18.2(158)9x+3.8=7.4(159)2x+4.1=10.7(160)14x+4.7=22.9(161)3x+3.5=23.3(162)2x+5=21.6(163)8.7x+3.2=20.6(164)0.3x+2.4=3.6(165)4.4x+4.7=13.5(166)0.4x+4.7=22.3(167)0.3x+5.7=8.4(168)0.4x+4.6=20.2(169)3.3x+1.5=8.1(170)2.2x+5.3=16.3(171)1.3x+3=21.2(172)45x-5.7=12.3(173)5x-3.4=6.6(174)8x-4=4.8(175)6x-1.1=17.5(176)5x-3.6=2.4(177)13x-3.4=12.2(178)3x-4.1=8.5(179)2x-4.4=13.6(180)25x-1.3=13.7(181)0.4x-1.9=5.3(182)0.8x-3.5=10.9(183)3x-3.5=5.5(184)4x-4.7=11.3(185)2.1x-4.3=10.4(186)1.4x-4.8=2.2(187)7.1x-4.1=10.1(188)0.3x-2.2=13.4(189)0.2x-4.6=4.2(190)54+10x=244(191)158+28x=298(192)150+24x=198(193)12+3x=132(194)94+2x=294(195)153+16x=201(196)156+17x=292(197)147+23x=285(198)128+33x=227(199)56-10x=26(200)197-25x=122(201)104-2x=36(202)164-3x=32(203)190-9x=28(204)187-32x=59(205)110-20x=70(206)101-9x=29(207)130-3x=31(208)1.9+0.2x=21.5(209)1.7+6.5x=14.7(210)10.3+0.7x=15.2(211)1.1+0.8x=5.9(212)9.3+0.5x=13.3(213)13+0.2x=28.8(214)2.2+0.7x=7.1(215)18.3+0.4x=31.9(216)6.3+2.4x=23.1(217)2.5+3x=21.7(218)13.8+6x=16.2(219)6.3+9x=17.1(220)5.5+14x=18.1(221)9+51x=24.3(222)15.4+2x=22.4(223)12.7+5x=32.2(224)14.4+6x=20.4(225)15.7+10x=33.7(226)18.9-0.7x=11.9(227)12.6-1.3x=8.7(228)13.6-1.2x=8.8(229)19.6-0.2x=9.4(230)17-2.8x=8.6(231)8.6-0.2x=5.6(232)15-0.9x=8.7(233)17.9-0.2x=10.1(234)12.6-0.2x=5.4(235)17.1-34x=6.9(236)17.9-5x=2.4(237)14.4-8x=3.2(238)12.7-32x=3.1(239)7.9-8x=3.1(240)15.9-2x=5.9(241)18.7-56x=7.5(242)18.2-3x=1.7(243)4.5-11x=2.3(244)4x÷10=14(245)36x÷4=27(246)7x÷12=14(247)18x÷36=4(248)10x÷5=4(249)4x÷64=2(250)20x÷50=2(251)2x÷39=4(252)42x÷63=2(253)0.2x÷17=0.4(254)1.8x÷45=0.4(255)1.4x÷28=0.6(256)1x÷5=1.4(257)0.9x÷4=3.6(258)2x÷18=1(259)0.3x÷5=3.3(260)2.9x÷87=0.2(261)0.6x÷12=0.8(262)6x÷12=1.1(263)4x÷2=4.4(264)2x÷3=1(265)9x÷3=1.8(266)63x÷18=0.7(267)7x÷49=0.4(268)6x÷4=4.8(269)2x÷21=0.8(270)4x÷2=4.2(271)16x+18x=374(272)8x+6x=42(273)11x+16x=270(274)5x+13x=180(275)16x+15x=217(276)14x+17x=124(277)8x+5x=91(278)6x+8x=98(279)6x+13x=38(280)8x-4x=28(281)10x-3x=56(282)9x-4x=55(283)10x-8x=26(284)13x-7x=60(285)9x-3x=108(286)5x-3x=36(287)15x-5x=40(288)6x-2x=112(289)8.6x+5.9x=58(290)2.4x+5.6x=16(291)9.5x+3.2x=63.5(292)0.7x+8x=69.6(293)7.5x+8.3x=79(294)2.2x+1.9x=135.3(295)5.5x+5x=84(296)4x+1.2x=31.2(297)8.4x+4x=62(298)4.8x-2.1x=51.3(299)2.4x-1.4x=29(300)8.3x-2.8x=44(301)6.9x-1x=53.1(302)5.4x-5x=1.6(303)4.2x-1.1x=40.3(304)6.3x-2x=51.6(305)3.8x-1x=16.8(306)4.7x-0.5x=71.4(307)15x+19x+20=258(308)6x+10x+17=241(309)3x+11x+32=144(310)15x+14x+24=343(311)8x+2x+36=196(312)3x+17x+43=143(313)4x+7x+28=226(314)14x+15x+41=418(315)9x+12x+32=116(316)15x+10x-13=312(317)11x+13x-31=161(318)7x+6x-7=97(319)11x+8x-26=88(320)4x+2x-4=224(321)8x+18x-27=207(322)11x+9x-40=240(323)19x+10x-32=55(324)15x+7x-21=199(325)17x-9x+35=91(326)18x-12x+33=63(327)16x-3x+11=76(328)4x-2x+3=97(329)18x-3x+16=166(330)4x-2x+13=25(331)13x-7x+15=27(332)17x-14x+41=74(333)4x-2x+3=85(334)16x-14x-2=18(335)11x-9x-17=19(336)8x-4x-21=51(337)16x-13x-11=19(338)7x-3x-45=31(339)17x-7x-32=78(340)10x-4x-33=15(341)19x-9x-12=48(342)5x-3x-3=17(343)8.8x+6.9x+2.1=127.7(344)5.4x+5.2x+2.9=130.1(345)1.9x+2.3x+2.5=52.9(346)4.8x+1.2x+2.5=104.5(347)2.9x+4.9x+1.4=102.8(348)3.2x+2.3x+2.5=118(349)1.8x+9.2x+2.6=112.6(350)6.1x+1.2x+4.7=26.6(351)2.6x+0.8x+2.2=53.2(352)67x+94x+1.5=65.9(353)13x+91x+3.1=65.5(354)61x+27x+0.8=18.4(355)37x+39x+4.9=156.9(356)87x+44x+4.5=148.6(357)30x+15x+1.6=28.6(358)55x+60x+0.7=23.7(359)60x+32x+4.2=22.6(360)37x+22x+2.7=85.3(361)2.3x+0.2x-2.4=75.1(362)0.5x+9.4x-3.5=75.7(363)2.1x+5.1x-0.6=57(364)7.3x+3.2x-2.9=39.1(365)5.2x+2.3x-4.3=138.2(366)1.4x+2.4x-3.4=8(367)2x+0.5x-1.8=123.2(368)2.6x+3.1x-1.5=158.1(369)4.8x+2.1x-0.2=137.8(370)13x+78x-4.3=32.1(371)27x+24x-1.1=182.5(372)24x+68x-3.2=42.8(373)22x+6x-1.4=37.8(374)52x+93x-4.3=24.7(375)37x+17x-1=36.8(376)56x+65x-2=70.6(377)69x+66x-1.2=160.8(378)13x+2x-3.3=107.7(379)6.7x-1.5x+0.2=31.4(380)7.7x-2.1x+1.7=35.3(381)3.6x-0.9x+0.9=60.3(382)2.4x-1.8x+1.6=19(383)3.1x-1x+1.4=43.4(384)2.2x-0.7x+4=64(385)9.4x-7.8x+2.1=14.9(386)3.4x-0.8x+3.7=45.3(387)1.5x-1.1x+3.1=11.9(388)12x-6x+4.6=5.8(389)13x-4x+3.8=47(390)43x-29x+1.8=18.6(391)67x-4x+3.6=22.5(392)83x-14x+3=23.7(393)49x-20x+3.5=26.7(394)47x-24x+3.5=8.1(395)93x-68x+4.9=9.9(396)12x-9x+2.4=18.6(397)2.7x-0.3x-2=60.4(398)7.6x-1.4x-3.3=9.1(399)9.8x-7.9x-1=10.4(400)5x-0.9x-4.1=65.6(401)2.3x-1.9x-4.8=4(402)7.4x-4.2x-2.6=19.8(403)8.7x-4.2x-1.9=11.6(404)1.4x-0.5x-0.9=7.2(405)2.2x-0.5x-0.2=20.2(406)96x-12x-4.1=79.9(407)90x-27x-4.6=20.6(408)40x-6x-1.9=66.1(409)99x-32x-0.3=39.9(410)41x-8x-1.1=38.5(411)65x-34x-0.6=18(412)62x-3x-1.3=22.3(413)80x-50x-2.4=21.6(414)81x-55x-1.8=21.6(415)8x+82×2=220(416)12x+45×3=303(417)8x+2×95=214(418)2x+41×4=336(419)11x+5×15=97(420)9x+34×4=280(421)4x+38×5=330(422)3x+13×14=338(423)14x+2×70=210(424)4x-16×5=92(425)2x-2×6=138(426)4x-9×3=81(427)4x-46×2=108(428)8x-42×2=36(429)2x-2×20=58(430)2x-4×5=64(431)10x-25×2=40(432)4x-48×3=32(433)1.6x+2.2×2=7.6(434)0.6x+1×6=18.6(435)0.4x+4.1×3=21.9(436)4.8x+3.6×2=16.8(437)1.5x+1×11=26(438)1.8x+4.2×4=22.2(439)2.9x+0.4×41=30.9(440)0.4x+0.2×6=14(441)1.5x+1×16=28(442)4x+3×1.3=8.7(443)16x+17×0.5=21.3(444)40x+6×1.4=28.4(445)13x+13×0.4=19.5(446)7x+12×1.3=19.8(447)3x+4×3.4=19.3(448)31x+5×3.8=34.5(449)6x+7×2.6=31.4(450)6x+10×0.3=10.2(451)2.4x-4.4×2=3.2(452)0.7x-0.6×4=9.5(453)1.7x-3.5×4=3(454)0.4x-0.2×26=12(455)0.7x-4.5×2=9.2(456)0.4x-1.1×3=8.3(457)2.2x-0.2×28=3.2(458)1.5x-1.7×5=9.5(459)4.2x-0.9×8=5.4(460)23x-22×0.2=14(461)41x-9×0.8=1(462)22x-4×0.3=7.6(463)3x-7×0.8=3.1(464)26x-7×0.8=10(465)8x-3×2.9=5.7(466)9x-2×0.8=7.4(467)8x-6×0.2=2.8(468)8x-4×0.9=10(469)3(x+6)=135(470)2(8x+3)=102(471)18(2x+2)=144(472)3(x+20)=138(473)3(4x+47)=177(474)2(2x+37)=174(475)3(3x+36)=162(476)2(12x+28)=128(477)25(x+6)=200(478)2(x-24)=28(479)6(5x-49)=96(480)11(3x-44)=110(481)3(2x-41)=153(482)9(7x-41)=198(483)5(10x-17)=165(484)2(23x-44)=96(485)3(12x-29)=165(486)10(5x-36)=140(487)2(0.4x+7.1)=26.2(488)3(1.9x+5.1)=26.7(489)2(1.7x+8.3)=30.2(490)6(0.2x+2.6)=19.2(491)2(0.7x+6)=24.6(492)3(1.9x+8.4)=48(493)2(0.8x+3.9)=25.4(494)2(0.6x+9.9)=29.4(495)16(0.4x+0.7)=49.6(496)7(0.3x-0.4)=47.6(497)11(2.1x-5.4)=33(498)19(0.4x-8.8)=30.4(499)4(0.6x-1.2)=7.2(500)2(7.7x-7.2)=31.8(501)4(0.9x-0.5)=8.8(502)2(4.2x-1.7)=30.2(503)7(x-6.6)=16.8(504)10(4.2x-6.9)=15(505)(12x+38)÷17=10(506)(x+16)÷5=8(507)(12x+39)÷9=7(508)(2x+44)÷32=2(509)(9x+15)÷3=20(510)(5x+34)÷11=4(511)(18x+40)÷2=83(512)(3x+40)÷49=1(513)(13x+40)÷10=30(514)(9x-41)÷20=11(515)(19x-43)÷6=15(516)(7x-28)÷6=7(517)(14x-6)÷11=16(518)(3x-3)÷7=6(519)(13x-43)÷5=46(520)(8x-32)÷8=5(521)(8x-8)÷8=9(522)(13x-29)÷41=5(523)(5.6x+8.4)÷6=9.8(524)(6.5x+0.3)÷19=0.7(525)(2.2x+1.2)÷17=2.4(526)(8.8x+0.8)÷3=12(527)(5.3x+6.1)÷17=4.1(528)(2.1x+0.5)÷4=10.1(529)(3x+8)÷5=10(530)(7.3x+0.6)÷2=44.1(531)(5.1x+6.8)÷2=44.2(532)(6.3x-1.8)÷3=9.9(533)(3.3x-7.5)÷15=2.8(534)(3.2x-8.8)÷24=1.9(535)(4.8x-6.5)÷11=2.9(536)(3.1x-3)÷11=1.7(537)(8.6x-1.1)÷3=19.7(538)(3.2x-2.8)÷28=0.7(539)(1.1x-4.4)÷33=0.3(540)(6.1x-6.3)÷2=6参考答案(1)x=44(2)x=24(3)x=10(4)x=89(5)x=58(6)x=73(7)x=87(8)x=3(9)x=17(10)x=47(11)x=71(12)x=68(13)x=79(14)x=76(15)x=78(16)x=67(17)x=35(18)x=47(19)x=9(20)x=4(21)x=8.7(22)x=9(23)x=7.5(24)x=6.8(25)x=0.5(26)x=5.9(27)x=2.6(28)x=4.7(29)x=9.8(30)x=7.2(31)x=7.6(32)x=9.4(33)x=7.6(34)x=9.9(35)x=5.1(36)x=4.1(37)x=50(38)x=60(39)x=86(40)x=97(41)x=52(42)x=58(43)x=24(44)x=81(45)x=80(46)x=38(47)x=67(48)x=6(49)x=14(50)x=46(51)x=19(52)x=39(53)x=29(54)x=20(55)x=1.1(56)x=7.2(57)x=9.5(58)x=4.1(59)x=5.1(60)x=2.4(61)x=4.5(62)x=2.2(63)x=7.1(64)x=1.8(65)x=5.1(66)x=5.1(67)x=4.6(68)x=0.9(69)x=3.4(70)x=2.6(71)x=5.4(72)x=5.8(73)x=4(74)x=26(75)x=42(76)x=4(77)x=9(78)x=23(79)x=31(80)x=19(81)x=8(82)x=5(83)x=7(84)x=3(85)x=19(86)x=59(87)x=18(88)x=18(89)x=8(90)x=2(91)x=4.2(92)x=0.3(93)x=6.2(94)x=2.4(95)x=1.3(96)x=0.6(97)x=0.5(98)x=0.9(99)x=0.8(100)x=5(101)x=3(102)x=5(103)x=11(104)x=19(105)x=64(106)x=83(107)x=11(108)x=34(109)x=33(110)x=34(111)x=3(112)x=3(113)x=45(114)x=3(115)x=28(116)x=4(117)x=11(118)x=180(119)x=80(120)x=156(121)x=195(122)x=44(123)x=45(124)x=44(125)x=10(126)x=126(127)x=19.4(128)x=4.8(129)x=18.9(130)x=19.8(131)x=2.4(132)x=7.5(133)x=18.2(134)x=17.7(135)x=5.1(136)x=15(137)x=4(138)x=6(139)x=2(140)x=2(141)x=18(142)x=5(143)x=2(144)x=81(145)x=2(146)x=97(147)x=7(148)x=4(149)x=81(150)x=70(151)x=44(152)x=2(153)x=97(154)x=1.1(155)x=0.6(156)x=0.4(157)x=0.7(158)x=0.4(159)x=3.3(160)x=1.3(161)x=6.6(162)x=8.3(163)x=2(164)x=4(165)x=2(166)x=44(167)x=9(168)x=39(169)x=2(170)x=5(171)x=14(172)x=0.4(173)x=2(174)x=1.1(175)x=3.1(176)x=1.2(177)x=1.2(178)x=4.2(179)x=9(180)x=0.6(181)x=18(182)x=18(183)x=3(184)x=4(185)x=7(186)x=5(187)x=2(188)x=52(189)x=44(190)x=19(191)x=5(192)x=2(193)x=40(194)x=100(195)x=3(196)x=8(197)x=6(198)x=3(199)x=3(200)x=3(201)x=34(202)x=44(203)x=18(204)x=4(205)x=2(206)x=8(207)x=33(208)x=98(209)x=2(210)x=7(211)x=6(212)x=8(213)x=79(214)x=7(215)x=34(216)x=7(217)x=6.4(218)x=0.4(219)x=1.2(220)x=0.9(221)x=0.3(222)x=3.5(223)x=3.9(224)x=1(225)x=1.8(226)x=10(227)x=3(228)x=4(229)x=51(230)x=3(231)x=15(232)x=7(233)x=39(234)x=36(235)x=0.3(236)x=3.1(237)x=1.4(238)x=0.3(239)x=0.6(240)x=5(241)x=0.2(242)x=5.5(243)x=0.2(244)x=35(245)x=3(246)x=24(247)x=8(248)x=2(249)x=32(250)x=5(251)x=78(252)x=3(253)x=34(254)x=10(255)x=12(256)x=7(257)x=16(258)x=9(259)x=55(260)x=6(261)x=16(262)x=2.2(263)x=2.2(264)x=1.5(265)x=0.6(266)x=0.2(267)x=2.8(268)x=3.2(269)x=8.4(270)x=2.1(271)x=11(272)x=3(273)x=10(274)x=10(275)x=7(276)x=4(277)x=7(278)x=7(279)x=2(280)x=7(281)x=8(282)x=11(283)x=13(284)x=10(285)x=18(286)x=18(287)x=4(288)x=28(289)x=4(290)x=2(291)x=5(292)x=8(293)x=5(294)x=33(295)x=8(296)x=6(297)x=5(298)x=19(299)x=29(300)x=8(301)x=9(302)x=4(303)x=13(304)x=12(305)x=6(306)x=17(307)x=7(308)x=14(309)x=8(310)x=11(311)x=16(312)x=5(313)x=18(314)x=13(315)x=4(316)x=13(317)x=8(318)x=8(319)x=6(320)x=38(321)x=9(322)x=14(323)x=3(324)x=10(325)x=7(326)x=5(327)x=5(328)x=47(329)x=10(330)x=6(331)x=2(332)x=11(333)x=41(334)x=10(335)x=18(336)x=18(337)x=10(338)x=19(339)x=11(340)x=8(341)x=6(342)x=10(343)x=8(344)x=12(345)x=12(346)x=17(347)x=13(348)x=21(349)x=10(350)x=3(351)x=15(352)x=0.4(353)x=0.6(354)x=0.2(355)x=2(356)x=1.1(357)x=0.6(358)x=0.2(359)x=0.2(360)x=1.4(361)x=31(362)x=8(363)x=8(364)x=4(365)x=19(366)x=3(367)x=50(368)x=28(369)x=20(370)x=0.4(371)x=3.6(372)x=0.5(373)x=1.4(374)x=0.2(375)x=0.7(376)x=0.6(377)x=1.2(378)x=7.4(379)x=6(380)x=6(381)x=22(382)x=29(383)x=20(384)x=40(385)x=8(386)x=16(387)x=22(388)x=0.2(389)x=4.8(390)x=1.2(391)x=0.3(