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+57=113(2)x+28=127(3)x+31=92(4)x+43=137(5)x+82=124(6)x+14=91(7)x+47=118(8)x+58=111(9)x+24=82(10)x-46=49(11)x-37=50(12)x-26=14(13)x-38=45(14)x-11=30(15)x-13=23(16)x-42=16(17)x-7=45(18)x-13=40(19)x+3.6=12(20)x+2.8=9.4(21)x+6.6=8.7(22)x+1.9=11.6(23)x+7.7=10.9(24)x+7.7=14.9(25)x+6.8=14.2(26)x+4.1=10.3(27)x+3.2=5.9(28)x-2=2.9(29)x-1.7=5.3(30)x-0.2=9(31)x-1.7=1(32)x-2.5=1.4(33)x-1.9=5.7(34)x-3.7=5.6(35)x-4=4.1(36)x-4.4=3.5(37)87+x=158(38)56+x=117(39)35+x=48(40)45+x=92(41)85+x=134(42)74+x=86(43)26+x=38(44)85+x=166(45)8+x=101(46)86-x=26(47)75-x=63(48)75-x=39(49)46-x=20(50)68-x=43(51)52-x=47(52)26-x=12(53)44-x=25(54)96-x=29(55)4+x=8.1(56)5.7+x=15.5(57)7.5+x=14(58)8.9+x=16.7(59)1.4+x=8.2(60)0.4+x=5.2(61)5.5+x=5.7(62)8.2+x=10.4(63)1.9+x=6(64)7.5-x=3(65)6.7-x=4.8(66)5.5-x=1.8(67)4.5-x=3.3(68)5.3-x=3.7(69)7.3-x=6.8(70)7.8-x=1.9(71)8.4-x=3.8(72)9.8-x=4.6(73)7x=175(74)35x=175(75)29x=58(76)71x=142(77)22x=198(78)4x=12(79)12x=168(80)2x=198(81)13x=78(82)2.6x=7.8(83)0.6x=9(84)7.9x=15.8(85)0.3x=14.7(86)0.5x=1(87)0.4x=18(88)2.2x=15.4(89)0.2x=13(90)1.8x=5.4(91)2x=17.2(92)5x=8(93)93x=18.6(94)32x=6.4(95)12x=3.6(96)4x=3.2(97)43x=8.6(98)5x=2(99)5x=18.5(100)70÷x=2(101)87÷x=3(102)156÷x=4(103)78÷x=6(104)144÷x=9(105)150÷x=3(106)72÷x=36(107)24÷x=2(108)68÷x=34(109)9.3÷x=3.1(110)7.5÷x=0.5(111)19.8÷x=0.2(112)16÷x=0.2(113)4.8÷x=0.6(114)17.5÷x=0.7(115)9.9÷x=0.3(116)19÷x=0.5(117)9.1÷x=1.3(118)x÷2=37(119)x÷2=47(120)x÷11=9(121)x÷9=8(122)x÷4=20(123)x÷5=26(124)x÷2=19(125)x÷3=10(126)x÷15=3(127)x÷12=0.2(128)x÷4=4.9(129)x÷18=0.2(130)x÷4=1.3(131)x÷71=0.2(132)x÷8=0.2(133)x÷14=0.8(134)x÷57=0.3(135)x÷26=0.2(136)40x+37=237(137)4x+14=94(138)100x+11=211(139)77x+59=213(140)11x+54=76(141)63x+17=206(142)2x+37=199(143)57x+30=201(144)13x+12=103(145)19x-21=74(146)5x-12=173(147)32x-15=113(148)3x-29=64(149)2x-24=26(150)14x-57=125(151)6x-15=93(152)8x-57=23(153)33x-26=40(154)7x+3.1=9.4(155)3x+2.9=21.5(156)54x+5.4=16.2(157)73x+4.6=19.2(158)13x+5.8=25.3(159)9x+2.7=8.1(160)19x+4=15.4(161)2x+3.6=21.8(162)26x+2.7=10.5(163)3.9x+5.3=24.8(164)1.4x+1.1=20.7(165)0.4x+5.9=16.3(166)0.3x+3.8=7.1(167)0.2x+2.7=7.9(168)0.8x+1.5=13.5(169)1.9x+4.8=12.4(170)0.2x+4.4=6.2(171)1.4x+5.1=17.7(172)3x-2.4=11.1(173)4x-1=15.4(174)2x-4.4=1.4(175)21x-5.3=11.5(176)10x-5.3=2.7(177)54x-1.8=9(178)60x-3.7=14.3(179)22x-5.7=7.5(180)40x-5.8=10.2(181)7.2x-2=12.4(182)2.9x-4.4=1.4(183)0.9x-2.9=11.5(184)0.4x-1.9=5.3(185)0.2x-3=14(186)2.9x-2=12.5(187)1.2x-5.2=2(188)0.7x-3.7=10.3(189)0.2x-3.1=1.9(190)80+8x=256(191)89+86x=261(192)82+3x=124(193)123+3x=168(194)76+12x=172(195)109+9x=154(196)38+2x=72(197)80+3x=266(198)180+7x=236(199)60-4x=32(200)74-5x=54(201)140-3x=47(202)138-2x=94(203)178-15x=103(204)65-23x=19(205)101-2x=51(206)129-35x=59(207)128-40x=48(208)3.4+0.6x=5.2(209)15+1.2x=34.2(210)1.5+0.5x=3(211)4.3+0.2x=24.1(212)7.2+0.9x=11.7(213)14+0.2x=23.6(214)13.5+0.5x=20.5(215)1.8+0.5x=15.8(216)13+0.4x=21.4(217)19+41x=35.4(218)4.7+32x=20.7(219)14.8+10x=17.8(220)11.1+11x=16.6(221)10.3+5x=14.8(222)2.6+6x=15.8(223)1.5+11x=20.2(224)17.8+17x=34.8(225)4.5+13x=11(226)15.7-0.7x=11.5(227)16.3-0.4x=2.3(228)11.9-0.3x=7.7(229)18.4-0.7x=3.7(230)15.6-3.5x=8.6(231)6-0.4x=2.8(232)5.9-0.2x=1.9(233)13.4-0.3x=4.4(234)15.2-0.5x=1.2(235)15.6-7x=2.3(236)10.5-7x=7(237)17.7-25x=2.7(238)13.3-22x=2.3(239)11.8-6x=7(240)17.1-26x=9.3(241)10.9-6x=7.9(242)14.7-15x=8.7(243)18.8-2x=12.8(244)8x÷96=2(245)6x÷4=48(246)8x÷6=16(247)29x÷58=3(248)48x÷24=6(249)8x÷6=28(250)65x÷15=13(251)6x÷3=42(252)6x÷9=18(253)1.2x÷21=0.4(254)0.4x÷5=3.2(255)6.3x÷9=1.4(256)0.4x÷9=0.8(257)7.8x÷4=3.9(258)4x÷15=0.8(259)1.4x÷7=1.2(260)3.5x÷15=0.7(261)7.5x÷30=0.5(262)10x÷5=2.2(263)18x÷99=0.2(264)6x÷15=0.8(265)9x÷3=1.2(266)16x÷32=0.5(267)2x÷37=0.4(268)57x÷19=0.9(269)87x÷29=0.6(270)35x÷7=1.5(271)3x+9x=96(272)7x+15x=132(273)5x+10x=45(274)8x+14x=110(275)4x+2x=132(276)14x+6x=260(277)7x+5x=180(278)7x+6x=364(279)14x+17x=186(280)7x-4x=57(281)9x-2x=21(282)18x-12x=24(283)14x-10x=16(284)4x-2x=32(285)9x-3x=102(286)9x-7x=34(287)13x-5x=48(288)8x-5x=66(289)2.5x+8.7x=67.2(290)9.8x+3.5x=133(291)3.8x+2.6x=51.2(292)0.3x+4x=68.8(293)6.1x+4.2x=164.8(294)4.3x+9.7x=28(295)0.3x+2.2x=102.5(296)0.4x+5.9x=63(297)9.6x+5.7x=61.2(298)1.1x-0.3x=27.2(299)9.4x-4.4x=50(300)6.2x-3.7x=35(301)8.5x-7.8x=2.1(302)6.6x-0.8x=17.4(303)6.3x-4.5x=9(304)2.8x-1.5x=11.7(305)5.7x-1.9x=26.6(306)6.8x-4.7x=6.3(307)4x+9x+6=149(308)13x+15x+24=360(309)2x+9x+22=55(310)14x+12x+43=147(311)8x+14x+5=93(312)8x+3x+40=62(313)10x+3x+9=165(314)14x+7x+9=261(315)12x+4x+47=79(316)5x+11x-16=224(317)8x+5x-36=289(318)18x+12x-49=71(319)17x+8x-45=180(320)16x+11x-21=87(321)16x+12x-8=132(322)17x+3x-48=32(323)9x+11x-43=97(324)18x+12x-44=136(325)10x-5x+38=138(326)13x-10x+18=33(327)7x-3x+6=118(328)5x-3x+46=64(329)7x-4x+15=42(330)10x-3x+3=59(331)4x-2x+9=43(332)10x-2x+32=144(333)10x-2x+43=163(334)8x-6x-29=15(335)14x-11x-9=15(336)14x-9x-5=20(337)14x-9x-18=17(338)13x-2x-19=113(339)17x-13x-18=22(340)15x-7x-46=58(341)13x-3x-20=120(342)8x-2x-39=39(343)0.8x+6.5x+2.6=46.4(344)7.9x+5.3x+1=133(345)0.8x+4.6x+4.1=101.3(346)0.2x+3.6x+1.5=88.9(347)2.7x+3x+3.4=26.2(348)4.1x+5.4x+3.4=174.4(349)1x+5.9x+2.5=64.6(350)1x+2.1x+3.4=59.2(351)3.1x+1.9x+0.2=145.2(352)30x+58x+4.8=101.6(353)42x+40x+0.3=123.3(354)28x+26x+2.5=115.9(355)4x+24x+3=78.6(356)71x+2x+3.4=25.3(357)30x+15x+2.7=92.7(358)15x+9x+1=15.4(359)22x+51x+0.2=87.8(360)54x+68x+0.6=61.6(361)0.3x+0.5x-0.4=6.8(362)1.3x+3.8x-2.6=33.1(363)6.8x+9x-2=29.6(364)0.6x+8.9x-4.1=62.4(365)5.6x+5x-4.3=27.5(366)4.5x+2.9x-1.1=146.9(367)0.3x+4.2x-0.6=80.4(368)1.7x+4.1x-4.1=53.9(369)6.5x+3x-0.5=75.5(370)14x+66x-0.5=55.5(371)7x+82x-2.2=15.6(372)23x+75x-1.8=27.6(373)4x+11x-4.4=64.6(374)20x+29x-2.5=75.9(375)62x+81x-0.7=170.9(376)36x+17x-0.4=126.8(377)14x+20x-0.2=27(378)31x+66x-1.5=85.8(379)4.9x-1.5x+3.4=40.8(380)7.2x-4x+2.1=30.9(381)1.1x-0.6x+4=30.5(382)7.7x-1.4x+0.4=63.4(383)7.9x-4.9x+1.2=37.2(384)3.5x-0.8x+3=11.1(385)7.2x-2.5x+1.6=34.5(386)5.2x-4.3x+2=17.3(387)9.5x-4.4x+2.1=22.5(388)55x-51x+2.9=8.5(389)41x-30x+4=19.4(390)21x-12x+2=23.6(391)67x-35x+2.2=27.8(392)54x-24x+0.2=24.2(393)30x-26x+1.2=6.8(394)79x-22x+0.9=18(395)12x-8x+1.7=28.1(396)73x-5x+0.6=89(397)2.4x-0.9x-2.2=3.8(398)3.3x-0.8x-3.8=41.2(399)9.6x-2.7x-4.1=44.2(400)7.9x-6.6x-2=1.9(401)3.3x-2.6x-0.5=2.3(402)1.3x-0.9x-0.9=2.3(403)7.8x-4.4x-1.7=18.7(404)2.8x-0.7x-1=51.5(405)8.8x-5.1x-2.1=34.9(406)14x-7x-3.1=4.6(407)13x-7x-0.3=8.1(408)12x-4x-0.6=55.4(409)69x-48x-2.2=10.4(410)92x-68x-3.6=13.2(411)72x-30x-0.9=36.9(412)42x-17x-3.8=8.7(413)76x-20x-4.1=29.5(414)96x-14x-1.9=14.5(415)19x+2×92=355(416)3x+18×8=252(417)12x+98×2=328(418)7x+10×4=208(419)2x+51×2=278(420)22x+33×4=242(421)6x+33×2=132(422)16x+13×6=190(423)8x+27×4=276(424)2x-18×5=60(425)3x-42×2=66(426)7x-15×2=12(427)12x-5×14=62(428)10x-8×21=12(429)6x-2×57=78(430)7x-84×2=21(431)2x-16×9=24(432)3x-6×5=111(433)1.6x+0.8×21=31.2(434)0.4x+2.6×5=27(435)1x+0.6×24=21.4(436)3.2x+0.9×16=20.8(437)1.4x+3.6×2=14.2(438)3.1x+0.9×15=29(439)1.8x+1.4×2=15.4(440)3x+0.8×23=36.4(441)1.2x+4.5×4=21.6(442)6x+2×0.9=16.8(443)10x+3×3.4=19.2(444)5x+12×0.7=23.9(445)29x+17×0.4=18.4(446)10x+9×2=32(447)13x+47×0.4=34.4(448)5x+8×1.6=24.3(449)33x+42×0.2=15(450)9x+20×1=34.4(451)0.6x-0.3×37=5.1(452)0.4x-0.4×18=11.2(453)2.7x-2.3×4=1.6(454)0.2x-2.6×3=2(455)2.4x-1.7×9=1.5(456)0.4x-1.1×7=4.7(457)2.7x-2.8×4=7.7(458)0.3x-0.4×13=8.9(459)2.1x-0.3×29=10.2(460)7x-3×3.4=5.2(461)4x-40×0.3=5.2(462)36x-2×3.3=7.8(463)38x-10×0.9=2.4(464)3x-6×1.7=1.8(465)27x-4×1.1=9.1(466)37x-2×0.3=10.5(467)12x-12×1.1=6(468)5x-2×0.5=13.5(469)2(2x+24)=172(470)3(2x+24)=144(471)3(15x+10)=120(472)16(2x+6)=192(473)2(x+23)=136(474)3(5x+42)=186(475)11(x+12)=165(476)6(5x+12)=192(477)3(9x+23)=150(478)16(x-25)=160(479)4(2x-45)=172(480)2(5x-13)=174(481)17(9x-34)=187(482)11(2x-12)=110(483)2(4x-14)=188(484)2(x-16)=48(485)2(17x-28)=114(486)4(2x-2)=96(487)7(0.2x+0.2)=12.6(488)3(0.2x+7.8)=39(489)10(0.3x+0.5)=38(490)2(0.4x+8.1)=27.4(491)5(0.7x+1.5)=39(492)2(0.5x+0.6)=9.2(493)2(2.9x+7)=48.8(494)2(3.2x+7.7)=28.2(495)2(6.5x+6.5)=39(496)4(5.8x-6.7)=19.6(497)6(0.3x-1.9)=42.6(498)9(1.1x-5.2)=22.5(499)23(1.6x-3.3)=34.5(500)8(0.3x-2.6)=27.2(501)6(1.5x-4.8)=43.2(502)7(2.5x-8)=31.5(503)6(1.5x-2.1)=41.4(504)5(0.6x-8.4)=48(505)(5x+20)÷35=2(506)(2x+8)÷30=1(507)(14x+14)÷2=49(508)(8x+32)÷3=16(509)(11x+44)÷5=33(510)(5x+24)÷7=22(511)(4x+28)÷28=2(512)(9x+33)÷4=51(513)(11x+21)÷27=2(514)(13x-9)÷5=19(515)(6x-6)÷48=3(516)(17x-25)÷43=1(517)(10x-34)÷4=39(518)(9x-41)÷22=1(519)(4x-15)÷33=1(520)(15x-29)÷2=23(521)(2x-31)÷7=3(522)(17x-6)÷15=3(523)(8.5x+4.4)÷4=9.6(524)(0.6x+5.7)÷3=3.3(525)(0.7x+1.1)÷2=5.8(526)(9x+4.4)÷2=11.2(527)(5x+5.2)÷6=4.2(528)(3.8x+0.3)÷3=15.3(529)(9.8x+7)÷7=12.2(530)(2.4x+2.2)÷2=10.7(531)(0.4x+2.2)÷6=1.3(532)(1.9x-0.4)÷36=0.2(533)(2.3x-8.5)÷2=10.7(534)(3.9x-1)÷31=1.1(535)(4.9x-9.2)÷2=34.6(536)(2.7x-8.1)÷21=0.9(537)(3.1x-0.4)÷2=27.7(538)(1.5x-5)÷2=9.5(539)(2.4x-3.2)÷4=6.4(540)(1.1x-5)÷9=1.4参考答案(1)x=56(2)x=99(3)x=61(4)x=94(5)x=42(6)x=77(7)x=71(8)x=53(9)x=58(10)x=95(11)x=87(12)x=40(13)x=83(14)x=41(15)x=36(16)x=58(17)x=52(18)x=53(19)x=8.4(20)x=6.6(21)x=2.1(22)x=9.7(23)x=3.2(24)x=7.2(25)x=7.4(26)x=6.2(27)x=2.7(28)x=4.9(29)x=7(30)x=9.2(31)x=2.7(32)x=3.9(33)x=7.6(34)x=9.3(35)x=8.1(36)x=7.9(37)x=71(38)x=61(39)x=13(40)x=47(41)x=49(42)x=12(43)x=12(44)x=81(45)x=93(46)x=60(47)x=12(48)x=36(49)x=26(50)x=25(51)x=5(52)x=14(53)x=19(54)x=67(55)x=4.1(56)x=9.8(57)x=6.5(58)x=7.8(59)x=6.8(60)x=4.8(61)x=0.2(62)x=2.2(63)x=4.1(64)x=4.5(65)x=1.9(66)x=3.7(67)x=1.2(68)x=1.6(69)x=0.5(70)x=5.9(71)x=4.6(72)x=5.2(73)x=25(74)x=5(75)x=2(76)x=2(77)x=9(78)x=3(79)x=14(80)x=99(81)x=6(82)x=3(83)x=15(84)x=2(85)x=49(86)x=2(87)x=45(88)x=7(89)x=65(90)x=3(91)x=8.6(92)x=1.6(93)x=0.2(94)x=0.2(95)x=0.3(96)x=0.8(97)x=0.2(98)x=0.4(99)x=3.7(100)x=35(101)x=29(102)x=39(103)x=13(104)x=16(105)x=50(106)x=2(107)x=12(108)x=2(109)x=3(110)x=15(111)x=99(112)x=80(113)x=8(114)x=25(115)x=33(116)x=38(117)x=7(118)x=74(119)x=94(120)x=99(121)x=72(122)x=80(123)x=130(124)x=38(125)x=30(126)x=45(127)x=2.4(128)x=19.6(129)x=3.6(130)x=5.2(131)x=14.2(132)x=1.6(133)x=11.2(134)x=17.1(135)x=5.2(136)x=5(137)x=20(138)x=2(139)x=2(140)x=2(141)x=3(142)x=81(143)x=3(144)x=7(145)x=5(146)x=37(147)x=4(148)x=31(149)x=25(150)x=13(151)x=18(152)x=10(153)x=2(154)x=0.9(155)x=6.2(156)x=0.2(157)x=0.2(158)x=1.5(159)x=0.6(160)x=0.6(161)x=9.1(162)x=0.3(163)x=5(164)x=14(165)x=26(166)x=11(167)x=26(168)x=15(169)x=4(170)x=9(171)x=9(172)x=4.5(173)x=4.1(174)x=2.9(175)x=0.8(176)x=0.8(177)x=0.2(178)x=0.3(179)x=0.6(180)x=0.4(181)x=2(182)x=2(183)x=16(184)x=18(185)x=85(186)x=5(187)x=6(188)x=20(189)x=25(190)x=22(191)x=2(192)x=14(193)x=15(194)x=8(195)x=5(196)x=17(197)x=62(198)x=8(199)x=7(200)x=4(201)x=31(202)x=22(203)x=5(204)x=2(205)x=25(206)x=2(207)x=2(208)x=3(209)x=16(210)x=3(211)x=99(212)x=5(213)x=48(214)x=14(215)x=28(216)x=21(217)x=0.4(218)x=0.5(219)x=0.3(220)x=0.5(221)x=0.9(222)x=2.2(223)x=1.7(224)x=1(225)x=0.5(226)x=6(227)x=35(228)x=14(229)x=21(230)x=2(231)x=8(232)x=20(233)x=30(234)x=28(235)x=1.9(236)x=0.5(237)x=0.6(238)x=0.5(239)x=0.8(240)x=0.3(241)x=0.5(242)x=0.4(243)x=3(244)x=24(245)x=32(246)x=12(247)x=6(248)x=3(249)x=21(250)x=3(251)x=21(252)x=27(253)x=7(254)x=40(255)x=2(256)x=18(257)x=2(258)x=3(259)x=6(260)x=3(261)x=2(262)x=1.1(263)x=1.1(264)x=2(265)x=0.4(266)x=1(267)x=7.4(268)x=0.3(269)x=0.2(270)x=0.3(271)x=8(272)x=6(273)x=3(274)x=5(275)x=22(276)x=13(277)x=15(278)x=28(279)x=6(280)x=19(281)x=3(282)x=4(283)x=4(284)x=16(285)x=17(286)x=17(287)x=6(288)x=22(289)x=6(290)x=10(291)x=8(292)x=16(293)x=16(294)x=2(295)x=41(296)x=10(297)x=4(298)x=34(299)x=10(300)x=14(301)x=3(302)x=3(303)x=5(304)x=9(305)x=7(306)x=3(307)x=11(308)x=12(309)x=3(310)x=4(311)x=4(312)x=2(313)x=12(314)x=12(315)x=2(316)x=15(317)x=25(318)x=4(319)x=9(320)x=4(321)x=5(322)x=4(323)x=7(324)x=6(325)x=20(326)x=5(327)x=28(328)x=9(329)x=9(330)x=8(331)x=17(332)x=14(333)x=15(334)x=22(335)x=8(336)x=5(337)x=7(338)x=12(339)x=10(340)x=13(341)x=14(342)x=13(343)x=6(344)x=10(345)x=18(346)x=23(347)x=4(348)x=18(349)x=9(350)x=18(351)x=29(352)x=1.1(353)x=1.5(354)x=2.1(355)x=2.7(356)x=0.3(357)x=2(358)x=0.6(359)x=1.2(360)x=0.5(361)x=9(362)x=7(363)x=2(364)x=7(365)x=3(366)x=20(367)x=18(368)x=10(369)x=8(370)x=0.7(371)x=0.2(372)x=0.3(373)x=4.6(374)x=1.6(375)x=1.2(376)x=2.4(377)x=0.8(378)x=0.9(379)x=11(380)x=9(381)x=53(382)x=10(383)x=12(384)x=3(385)x=7(386)x=17(387)x=4(388)x=1.4(389)x=1.4(390)x=2.4(391)x=0.8(392