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+56=130(2)x+22=47(3)x+21=38(4)x+90=164(5)x+31=113(6)x+32=47(7)x+8=33(8)x+92=130(9)x+77=133(10)x-2=13(11)x-29=50(12)x-14=58(13)x-11=17(14)x-44=40(15)x-23=13(16)x-8=23(17)x-39=24(18)x-72=25(19)x+3.4=6.6(20)x+8.8=15.2(21)x+7=11.3(22)x+2.8=11.8(23)x+3.3=8.9(24)x+0.3=6.7(25)x+6.8=8.3(26)x+7=10.6(27)x+9.9=15.2(28)x-5.3=1.6(29)x-1.4=4.1(30)x-0.2=9.7(31)x-4.9=3.2(32)x-4.8=4.5(33)x-1.2=1.4(34)x-1.8=6.4(35)x-0.3=8.6(36)x-4.6=4.3(37)59+x=125(38)94+x=142(39)23+x=29(40)46+x=113(41)21+x=34(42)41+x=130(43)2+x=14(44)70+x=147(45)23+x=43(46)64-x=47(47)85-x=49(48)57-x=26(49)69-x=27(50)88-x=53(51)82-x=27(52)81-x=78(53)65-x=27(54)67-x=61(55)8.8+x=14.2(56)7.7+x=10.3(57)8.2+x=12.6(58)4.5+x=9.8(59)4.3+x=13.6(60)0.7+x=10.6(61)9.9+x=11.7(62)1.9+x=10.9(63)2.9+x=7.8(64)6.4-x=6.2(65)9.6-x=5(66)6.4-x=5.7(67)2-x=1.7(68)8.3-x=4.3(69)5.8-x=4.1(70)8.2-x=3(71)7-x=4.1(72)9.8-x=8.6(73)31x=124(74)17x=51(75)16x=112(76)3x=126(77)8x=176(78)2x=148(79)16x=48(80)8x=72(81)2x=196(82)0.2x=7.4(83)0.3x=2.1(84)0.2x=5.6(85)0.2x=10.8(86)0.8x=4(87)2x=6(88)0.3x=6.6(89)0.2x=12.6(90)2.6x=10.4(91)3x=18.3(92)64x=12.8(93)3x=3(94)74x=14.8(95)6x=18.6(96)4x=15.6(97)3x=6.3(98)25x=5(99)2x=18.4(100)32÷x=2(101)80÷x=2(102)81÷x=3(103)80÷x=40(104)198÷x=11(105)195÷x=13(106)116÷x=29(107)114÷x=2(108)154÷x=2(109)17.1÷x=0.9(110)9.4÷x=4.7(111)18.9÷x=0.7(112)8.4÷x=1.2(113)3.5÷x=0.5(114)12÷x=0.2(115)2.4÷x=0.3(116)14÷x=0.5(117)5.4÷x=2.7(118)x÷22=5(119)x÷3=33(120)x÷6=10(121)x÷7=19(122)x÷5=36(123)x÷11=4(124)x÷19=8(125)x÷46=4(126)x÷17=10(127)x÷8=1(128)x÷22=0.9(129)x÷12=1.4(130)x÷6=1.4(131)x÷4=4.8(132)x÷16=0.8(133)x÷4=2.5(134)x÷34=0.5(135)x÷2=3.3(136)2x+11=161(137)4x+23=167(138)33x+20=119(139)35x+30=100(140)31x+12=198(141)9x+10=208(142)2x+52=92(143)3x+18=153(144)24x+42=90(145)2x-17=159(146)4x-24=100(147)2x-37=69(148)24x-15=33(149)13x-50=93(150)45x-12=78(151)5x-55=120(152)13x-35=30(153)50x-44=106(154)28x+5.7=16.9(155)44x+3.8=17(156)19x+3.9=7.7(157)84x+1.2=18(158)94x+5.7=24.5(159)25x+2.9=20.4(160)7x+2.4=15(161)14x+3.4=6.2(162)24x+5.7=15.3(163)0.3x+4.6=12.1(164)0.4x+4.3=5.5(165)0.2x+2.7=4.3(166)1.4x+5=12(167)3.9x+5.2=20.8(168)0.5x+3.7=9.2(169)1.2x+2.6=14.6(170)0.3x+5.3=19.4(171)0.5x+5.8=21.3(172)4x-3.2=14(173)21x-2.7=9.9(174)4x-5.8=8.2(175)6x-1.3=11.9(176)5x-4.8=15.2(177)6x-1.2=15(178)18x-5.8=10.4(179)6x-3.2=16.6(180)18x-5=7.6(181)0.3x-2.6=12.1(182)2.3x-1.9=14.2(183)1.2x-4.6=9.8(184)0.2x-1.2=2.4(185)2.8x-4.8=12(186)0.8x-3.1=4.1(187)0.2x-2.7=6.3(188)0.7x-3.7=1.9(189)0.4x-1.4=5.4(190)72+17x=157(191)146+2x=346(192)112+25x=237(193)86+2x=122(194)92+3x=218(195)192+2x=262(196)154+36x=334(197)135+7x=303(198)184+8x=296(199)175-4x=119(200)163-47x=69(201)163-10x=43(202)181-2x=123(203)182-4x=158(204)97-3x=88(205)121-5x=31(206)187-14x=145(207)130-8x=18(208)14+1x=32(209)10.5+2.2x=25.9(210)1.3+5.9x=13.1(211)9.6+0.7x=28.5(212)11.1+0.2x=24.7(213)11.5+1x=28.5(214)15+1.9x=24.5(215)12+0.2x=22.8(216)6.9+1.2x=16.5(217)3.5+60x=15.5(218)18.7+6x=27.1(219)14.8+2x=26.2(220)12.2+7x=18.5(221)14.7+23x=21.6(222)11.5+2x=25.5(223)12.2+2x=23.6(224)14.6+2x=23.8(225)1.7+2x=20.3(226)18.9-3.2x=6.1(227)9.1-1.5x=4.6(228)8-0.5x=6(229)16.5-0.6x=6.3(230)13-0.6x=3.4(231)8.5-2.4x=3.7(232)18.4-0.5x=13.9(233)11.7-0.5x=7.7(234)17.7-3.2x=1.7(235)18.7-3x=1.3(236)9-2x=5.2(237)19.2-2x=8.6(238)19.2-2x=14.2(239)6.6-7x=5.2(240)11.9-3x=4.1(241)17.2-4x=10.4(242)13.9-5x=7.4(243)7.6-10x=5.6(244)4x÷3=28(245)20x÷15=12(246)15x÷45=2(247)19x÷5=38(248)20x÷50=2(249)7x÷14=8(250)20x÷4=35(251)14x÷20=7(252)27x÷54=2(253)4x÷6=2(254)0.3x÷13=1.2(255)7.6x÷8=1.9(256)0.8x÷10=1.6(257)1.2x÷45=0.4(258)0.9x÷6=3(259)1.1x÷4=4.4(260)0.3x÷27=0.5(261)1x÷6=3(262)63x÷21=0.9(263)8x÷20=0.4(264)12x÷10=1.8(265)4x÷8=1.9(266)66x÷11=1.8(267)6x÷93=0.2(268)7x÷35=0.2(269)15x÷2=4.5(270)4x÷11=0.8(271)8x+3x=275(272)2x+6x=112(273)12x+11x=322(274)3x+18x=168(275)17x+5x=44(276)17x+12x=290(277)13x+18x=186(278)12x+5x=102(279)11x+13x=336(280)14x-7x=84(281)5x-3x=56(282)8x-4x=92(283)7x-5x=40(284)9x-2x=21(285)12x-5x=112(286)14x-2x=108(287)10x-7x=57(288)10x-5x=45(289)6.2x+8.9x=151(290)6.9x+2.6x=123.5(291)2.1x+2x=143.5(292)1.7x+0.5x=41.8(293)2.9x+8.4x=56.5(294)7.2x+6.7x=111.2(295)4.3x+1.7x=138(296)0.3x+6.8x=92.3(297)2.9x+7x=108.9(298)8.4x-6.3x=18.9(299)6.5x-4.6x=9.5(300)8x-1x=56(301)6.3x-1x=47.7(302)8.5x-3.4x=10.2(303)8.2x-6.2x=22(304)5.1x-2.4x=18.9(305)5.4x-0.3x=25.5(306)7.9x-7x=9.9(307)3x+8x+43=109(308)8x+18x+27=183(309)3x+15x+9=99(310)13x+4x+41=194(311)12x+14x+24=284(312)12x+3x+47=107(313)4x+6x+12=272(314)2x+16x+6=60(315)3x+19x+17=193(316)4x+10x-3=221(317)3x+4x-41=148(318)16x+9x-15=260(319)15x+4x-24=33(320)8x+6x-25=241(321)11x+10x-10=137(322)2x+4x-38=184(323)13x+16x-27=31(324)16x+11x-16=227(325)8x-2x+26=50(326)7x-2x+7=132(327)17x-14x+8=29(328)11x-7x+45=97(329)13x-11x+41=55(330)17x-4x+7=150(331)7x-4x+9=33(332)14x-2x+15=147(333)19x-12x+42=70(334)13x-8x-7=13(335)19x-5x-3=81(336)7x-2x-41=99(337)9x-2x-34=92(338)15x-8x-47=30(339)12x-4x-35=93(340)5x-3x-10=10(341)12x-3x-10=71(342)7x-2x-44=21(343)4.3x+6.2x+3.6=98.1(344)8.9x+0.8x+0.9=59.1(345)0.2x+3.2x+2.5=33.1(346)2.1x+2.7x+2=179.6(347)1.2x+4.9x+2.9=57.8(348)0.4x+0.6x+0.4=15.4(349)6.3x+1.1x+4.3=100.5(350)5.5x+1.2x+4.5=111.7(351)1.4x+1.8x+3.5=160.3(352)37x+25x+4.4=140.8(353)40x+39x+4.6=202.1(354)18x+43x+0.9=92.4(355)35x+56x+0.8=82.7(356)75x+44x+3.5=110.6(357)18x+50x+4.2=99.4(358)32x+13x+1.1=41.6(359)25x+13x+2.8=56(360)6x+62x+2.4=84(361)4.2x+2.2x-1.6=94.4(362)0.4x+1.6x-1.6=44.4(363)1.5x+0.9x-1.9=17.3(364)4.8x+7.7x-3=147(365)2.2x+1.5x-3.1=93.1(366)5.8x+4x-4.5=73.9(367)5.7x+4.8x-2.2=29.3(368)6.8x+4.9x-0.2=23.2(369)2.5x+7.9x-3.5=58.9(370)72x+53x-2=48(371)63x+88x-3.7=147.3(372)38x+19x-2.3=26.2(373)70x+61x-4.2=126.8(374)21x+41x-1.5=85.3(375)7x+79x-2.2=40.8(376)78x+60x-0.6=123.6(377)36x+30x-4.3=167.3(378)80x+36x-1.4=126.2(379)3.7x-3x+3.9=10.9(380)9.4x-3x+1.8=40.2(381)2.6x-1.5x+2=32.8(382)7.1x-3.2x+4.9=43.9(383)6.8x-5.6x+1.8=10.2(384)7.3x-2.2x+4.8=45.6(385)9.9x-8.7x+4.6=11.8(386)2.2x-1.8x+1.1=6.7(387)6.8x-0.6x+0.6=50.2(388)25x-3x+2=54.8(389)41x-16x+2=57(390)51x-44x+2.3=12.8(391)85x-27x+0.2=23.4(392)82x-6x+4=26.8(393)14x-8x+1.7=17.3(394)11x-4x+2.4=41.6(395)32x-2x+1.2=76.2(396)8x-5x+4.6=15.4(397)9.1x-8.2x-4.1=2.2(398)2.8x-0.2x-0.4=62(399)1.1x-0.5x-3.1=13.7(400)1.9x-0.9x-2.6=43.4(401)0.5x-0.2x-1.5=25.2(402)5.8x-3.9x-3.4=28.9(403)6.4x-1x-1.1=25.9(404)2x-1x-3.9=36.1(405)5.2x-2.7x-1.1=13.9(406)57x-32x-4.9=2.6(407)97x-44x-1.5=9.1(408)88x-40x-0.6=47.4(409)6x-2x-1.7=12.3(410)14x-7x-0.7=11.9(411)96x-57x-1.2=37.8(412)74x-60x-0.6=17.6(413)79x-53x-3.2=15(414)51x-19x-4.2=5.4(415)13x+3×24=163(416)4x+18×6=172(417)9x+47×3=186(418)6x+6×31=372(419)17x+9×16=263(420)6x+5×35=355(421)16x+13×6=270(422)4x+24×6=192(423)4x+14×8=232(424)2x-46×2=14(425)18x-2×20=86(426)4x-7×4=136(427)2x-8×3=84(428)9x-3×21=72(429)16x-34×3=10(430)11x-9×14=72(431)4x-41×4=24(432)2x-11×9=33(433)0.2x+0.5×34=18.6(434)0.4x+0.6×22=31.2(435)0.5x+0.6×11=20.1(436)2.1x+0.3×42=27.3(437)0.9x+0.2×4=16.1(438)2x+1.7×2=9.4(439)2.1x+0.8×3=6.6(440)0.3x+3.5×3=23.1(441)0.5x+0.6×17=14.7(442)7x+38×0.5=37.2(443)3x+9×2=25.5(444)13x+6×2.5=29.3(445)18x+49×0.3=25.5(446)2x+21×0.9=22.9(447)9x+11×1.2=17.7(448)2x+9×1.3=19.1(449)9x+2×4.2=21.9(450)30x+2×2.6=11.2(451)1.3x-3.7×4=3.4(452)1.2x-0.3×17=6.9(453)4.2x-0.8×18=2.4(454)0.2x-0.4×11=4(455)0.5x-2.5×3=6(456)2.8x-0.6×4=8.8(457)0.6x-0.3×13=11.1(458)0.6x-0.3×48=2.4(459)1.4x-2.1×3=3.5(460)9x-6×0.4=1.2(461)8x-13×0.7=9.3(462)8x-22×0.6=3.6(463)3x-14×0.7=1.9(464)28x-27×0.2=14.2(465)29x-5×2.2=6.4(466)4x-2×3.1=3.4(467)49x-7×1.8=2.1(468)3x-2×1.6=1.6(469)8(x+9)=160(470)3(2x+14)=72(471)8(2x+8)=176(472)4(7x+25)=156(473)2(5x+37)=174(474)10(3x+5)=110(475)4(x+2)=20(476)2(16x+45)=154(477)2(x+10)=46(478)11(x-6)=176(479)15(x-24)=195(480)2(21x-28)=154(481)4(x-22)=108(482)3(7x-32)=72(483)2(x-20)=20(484)5(2x-36)=120(485)3(3x-13)=186(486)11(8x-46)=198(487)5(0.3x+3.2)=20.5(488)2(0.3x+7.9)=35(489)2(0.4x+4.6)=47.6(490)12(0.2x+2.7)=49.2(491)3(x+3.8)=29.4(492)3(0.8x+8.6)=35.4(493)2(0.5x+1.7)=25.4(494)2(1.1x+3.5)=29(495)4(3.9x+0.2)=32(496)3(1.4x-9.8)=21(497)3(5.5x-0.7)=30.9(498)2(x-3.8)=22.4(499)21(0.5x-2.2)=48.3(500)9(0.8x-4)=43.2(501)19(0.2x-4.9)=20.9(502)5(6.1x-9.1)=15.5(503)5(1.8x-0.6)=15(504)5(4.9x-1.9)=39.5(505)(11x+29)÷5=52(506)(7x+7)÷7=15(507)(3x+13)÷28=1(508)(12x+22)÷25=10(509)(2x+29)÷15=3(510)(19x+29)÷10=20(511)(14x+12)÷6=30(512)(18x+15)÷39=5(513)(4x+11)÷3=25(514)(7x-46)÷31=1(515)(x-8)÷4=5(516)(14x-29)÷15=13(517)(9x-45)÷6=24(518)(4x-3)÷9=9(519)(19x-3)÷28=6(520)(12x-40)÷44=1(521)(16x-48)÷40=6(522)(10x-14)÷32=3(523)(3.6x+2.6)÷5=14.2(524)(6.5x+9.5)÷5=8.4(525)(4.4x+2.2)÷9=2.2(526)(5.2x+0.6)÷17=3.4(527)(3.7x+4.2)÷4=14(528)(5x+5.6)÷8=3.2(529)(3.8x+7.8)÷24=0.8(530)(6.6x+4.8)÷10=5.1(531)(9.6x+9)÷6=9.5(532)(5.7x-6.3)÷2=16.8(533)(3.8x-9.1)÷21=2.1(534)(0.9x-3.1)÷26=0.4(535)(6.1x-0.7)÷13=3.7(536)(1.8x-8.2)÷20=0.4(537)(3.2x-0.2)÷6=2.1(538)(1.7x-7.4)÷26=0.5(539)(2.8x-2.2)÷6=7.1(540)(0.7x-9.4)÷25=0.1参考答案(1)x=74(2)x=25(3)x=17(4)x=74(5)x=82(6)x=15(7)x=25(8)x=38(9)x=56(10)x=15(11)x=79(12)x=72(13)x=28(14)x=84(15)x=36(16)x=31(17)x=63(18)x=97(19)x=3.2(20)x=6.4(21)x=4.3(22)x=9(23)x=5.6(24)x=6.4(25)x=1.5(26)x=3.6(27)x=5.3(28)x=6.9(29)x=5.5(30)x=9.9(31)x=8.1(32)x=9.3(33)x=2.6(34)x=8.2(35)x=8.9(36)x=8.9(37)x=66(38)x=48(39)x=6(40)x=67(41)x=13(42)x=89(43)x=12(44)x=77(45)x=20(46)x=17(47)x=36(48)x=31(49)x=42(50)x=35(51)x=55(52)x=3(53)x=38(54)x=6(55)x=5.4(56)x=2.6(57)x=4.4(58)x=5.3(59)x=9.3(60)x=9.9(61)x=1.8(62)x=9(63)x=4.9(64)x=0.2(65)x=4.6(66)x=0.7(67)x=0.3(68)x=4(69)x=1.7(70)x=5.2(71)x=2.9(72)x=1.2(73)x=4(74)x=3(75)x=7(76)x=42(77)x=22(78)x=74(79)x=3(80)x=9(81)x=98(82)x=37(83)x=7(84)x=28(85)x=54(86)x=5(87)x=3(88)x=22(89)x=63(90)x=4(91)x=6.1(92)x=0.2(93)x=1(94)x=0.2(95)x=3.1(96)x=3.9(97)x=2.1(98)x=0.2(99)x=9.2(100)x=16(101)x=40(102)x=27(103)x=2(104)x=18(105)x=15(106)x=4(107)x=57(108)x=77(109)x=19(110)x=2(111)x=27(112)x=7(113)x=7(114)x=60(115)x=8(116)x=28(117)x=2(118)x=110(119)x=99(120)x=60(121)x=133(122)x=180(123)x=44(124)x=152(125)x=184(126)x=170(127)x=8(128)x=19.8(129)x=16.8(130)x=8.4(131)x=19.2(132)x=12.8(133)x=10(134)x=17(135)x=6.6(136)x=75(137)x=36(138)x=3(139)x=2(140)x=6(141)x=22(142)x=20(143)x=45(144)x=2(145)x=88(146)x=31(147)x=53(148)x=2(149)x=11(150)x=2(151)x=35(152)x=5(153)x=3(154)x=0.4(155)x=0.3(156)x=0.2(157)x=0.2(158)x=0.2(159)x=0.7(160)x=1.8(161)x=0.2(162)x=0.4(163)x=25(164)x=3(165)x=8(166)x=5(167)x=4(168)x=11(169)x=10(170)x=47(171)x=31(172)x=4.3(173)x=0.6(174)x=3.5(175)x=2.2(176)x=4(177)x=2.7(178)x=0.9(179)x=3.3(180)x=0.7(181)x=49(182)x=7(183)x=12(184)x=18(185)x=6(186)x=9(187)x=45(188)x=8(189)x=17(190)x=5(191)x=100(192)x=5(193)x=18(194)x=42(195)x=35(196)x=5(197)x=24(198)x=14(199)x=14(200)x=2(201)x=12(202)x=29(203)x=6(204)x=3(205)x=18(206)x=3(207)x=14(208)x=18(209)x=7(210)x=2(211)x=27(212)x=68(213)x=17(214)x=5(215)x=54(216)x=8(217)x=0.2(218)x=1.4(219)x=5.7(220)x=0.9(221)x=0.3(222)x=7(223)x=5.7(224)x=4.6(225)x=9.3(226)x=4(227)x=3(228)x=4(229)x=17(230)x=16(231)x=2(232)x=9(233)x=8(234)x=5(235)x=5.8(236)x=1.9(237)x=5.3(238)x=2.5(239)x=0.2(240)x=2.6(241)x=1.7(242)x=1.3(243)x=0.2(244)x=21(245)x=9(246)x=6(247)x=10(248)x=5(249)x=16(250)x=7(251)x=10(252)x=4(253)x=3(254)x=52(255)x=2(256)x=20(257)x=15(258)x=20(259)x=16(260)x=45(261)x=18(262)x=0.3(263)x=1(264)x=1.5(265)x=3.8(266)x=0.3(267)x=3.1(268)x=1(269)x=0.6(270)x=2.2(271)x=25(272)x=14(273)x=14(274)x=8(275)x=2(276)x=10(277)x=6(278)x=6(279)x=14(280)x=12(281)x=28(282)x=23(283)x=20(284)x=3(285)x=16(286)x=9(287)x=19(288)x=9(289)x=10(290)x=13(291)x=35(292)x=19(293)x=5(294)x=8(295)x=23(296)x=13(297)x=11(298)x=9(299)x=5(300)x=8(301)x=9(302)x=2(303)x=11(304)x=7(305)x=5(306)x=11(307)x=6(308)x=6(309)x=5(310)x=9(311)x=10(312)x=4(313)x=26(314)x=3(315)x=8(316)x=16(317)x=27(318)x=11(319)x=3(320)x=19(321)x=7(322)x=37(323)x=2(324)x=9(325)x=4(326)x=25(327)x=7(328)x=13(329)x=7(330)x=11(331)x=8(332)x=11(333)x=4(334)x=4(335)x=6(336)x=28(337)x=18(338)x=11(339)x=16(340)x=10(341)x=9(342)x=13(343)x=9(344)x=6(345)x=9(346)x=37(347)x=9(348)x=15(349)x=13(350)x=16(351)x=49(352)x=2.2(353)x=2.5(354)x=1.5(355)x=0.9(356)x=0.9(357)x=1.4(358)x=0.9(359)x=1.4(360)x=1.2(361)x=15(362)x=23(363)x=8(364)x=12(365)x=26(366)x=8(367)x=3(368)x=2(369)x=6(370)x=0.4(371)x=1(372)x=0.5(373)x=1(374)x=1.4(375)x=0.5(376)x=0.9(377)x=2.6(378)x=1.1(379)x=10(380)x=6(381)x=28(382)x=10(383)x=7(384)x=8(385)x=6(386)x=14(387)x=8(388)x=2.4(389)x=2.2(390)x=1.5(391)x=0.4(392)x=0