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+85=132(2)x+35=103(3)x+36=58(4)x+73=136(5)x+15=72(6)x+98=125(7)x+81=125(8)x+40=76(9)x+77=87(10)x-35=36(11)x-27=49(12)x-22=17(13)x-20=24(14)x-14=10(15)x-20=74(16)x-14=37(17)x-76=19(18)x-34=48(19)x+9.6=14.7(20)x+1.9=6.7(21)x+8.1=14.9(22)x+2.5=10.9(23)x+2.1=11.5(24)x+0.5=9.8(25)x+7.3=15.8(26)x+2.9=9(27)x+2.2=7.8(28)x-6.3=1.3(29)x-1.3=8.5(30)x-5.5=3.2(31)x-4.9=3.5(32)x-3.8=5.5(33)x-1.3=6.9(34)x-0.2=4.4(35)x-0.7=1(36)x-1.8=7.6(37)87+x=143(38)92+x=111(39)34+x=115(40)39+x=106(41)31+x=55(42)93+x=125(43)23+x=90(44)22+x=70(45)71+x=75(46)80-x=27(47)99-x=86(48)77-x=69(49)99-x=76(50)76-x=14(51)48-x=22(52)61-x=24(53)98-x=89(54)72-x=48(55)8.4+x=12.3(56)2.3+x=9.1(57)5+x=8(58)2.7+x=3(59)3.7+x=8.2(60)6.3+x=8.8(61)4.7+x=14.4(62)4.5+x=13.7(63)7.3+x=12.1(64)8.4-x=2(65)7.4-x=1(66)8.5-x=3.6(67)9.6-x=7.6(68)6.6-x=1.9(69)3.7-x=2(70)5.5-x=3.3(71)8.9-x=2.6(72)4.7-x=1.7(73)27x=108(74)8x=56(75)46x=184(76)36x=108(77)13x=104(78)48x=144(79)6x=42(80)6x=198(81)4x=160(82)0.3x=18.9(83)1.5x=7.5(84)1.3x=13(85)1.6x=3.2(86)0.5x=6(87)0.7x=2.1(88)0.4x=3.6(89)0.8x=14.4(90)0.6x=17.4(91)6x=2.4(92)3x=4.2(93)77x=15.4(94)34x=17(95)15x=16.5(96)9x=4.5(97)24x=19.2(98)3x=8.7(99)9x=6.3(100)162÷x=18(101)50÷x=2(102)72÷x=18(103)164÷x=2(104)140÷x=28(105)132÷x=2(106)56÷x=7(107)60÷x=12(108)42÷x=2(109)7.8÷x=3.9(110)14÷x=0.5(111)19÷x=3.8(112)18÷x=0.6(113)16÷x=1.6(114)16.8÷x=0.2(115)4.8÷x=1.6(116)4.6÷x=0.2(117)3.2÷x=0.2(118)x÷33=4(119)x÷22=4(120)x÷15=5(121)x÷13=5(122)x÷7=7(123)x÷53=2(124)x÷41=4(125)x÷11=13(126)x÷25=2(127)x÷37=0.5(128)x÷3=2.5(129)x÷36=0.3(130)x÷4=4.7(131)x÷57=0.2(132)x÷3=4.1(133)x÷64=0.3(134)x÷25=0.2(135)x÷22=0.9(136)5x+15=90(137)2x+52=168(138)5x+39=239(139)10x+53=103(140)24x+15=207(141)5x+32=222(142)15x+27=132(143)26x+54=236(144)4x+12=168(145)5x-13=182(146)3x-16=116(147)4x-52=148(148)88x-43=133(149)45x-44=136(150)48x-18=126(151)54x-32=76(152)7x-21=91(153)11x-49=127(154)3x+1.9=2.5(155)27x+1.2=17.4(156)6x+5.4=13.2(157)26x+5.1=18.1(158)51x+3.9=14.1(159)4x+1.2=4.4(160)20x+2.5=18.5(161)43x+4.8=13.4(162)2x+3.8=20.4(163)0.4x+2.9=9.7(164)1.3x+4.4=10.9(165)1.7x+4.7=23.4(166)2.1x+5.8=10(167)2.5x+4.8=17.3(168)0.5x+3.3=23.3(169)4.1x+5.1=21.5(170)2.3x+2.2=13.7(171)8.3x+2.3=18.9(172)17x-3.8=4.7(173)2x-4.7=9.5(174)4x-3=9.4(175)2x-3.4=2(176)2x-3.8=7.8(177)35x-3.9=10.1(178)33x-2.4=17.4(179)14x-5.3=1.7(180)61x-1.2=11(181)0.6x-3.8=1.6(182)0.4x-4.1=15.5(183)3.7x-5.9=1.5(184)0.2x-5.9=7.7(185)1.5x-1.9=17.6(186)0.7x-3.3=10.7(187)0.2x-2.7=3.3(188)1.3x-3.7=11.9(189)1x-4.2=5.8(190)81+3x=237(191)37+8x=53(192)117+6x=225(193)56+23x=171(194)60+12x=108(195)101+14x=283(196)49+17x=100(197)125+4x=309(198)137+9x=326(199)175-2x=63(200)193-5x=78(201)172-3x=109(202)187-20x=107(203)139-35x=34(204)166-5x=126(205)70-5x=25(206)161-17x=76(207)144-4x=16(208)4.8+8.3x=21.4(209)16.7+0.2x=21.5(210)19.8+0.9x=28.8(211)5.8+9.1x=24(212)19.1+2.8x=38.7(213)7.5+7.7x=22.9(214)12+0.3x=25.2(215)2.2+0.9x=16.6(216)12+0.3x=22.8(217)10.2+18x=19.2(218)13.6+8x=24.8(219)7.2+9x=15.3(220)15.1+47x=33.9(221)7.1+2x=10.5(222)4.2+54x=20.4(223)19.6+2x=30(224)4+93x=22.6(225)12.6+29x=18.4(226)17.6-0.4x=8.8(227)12.3-0.9x=3.3(228)19.9-0.3x=11.5(229)2.6-0.3x=1.1(230)19.2-2.4x=14.4(231)14-0.3x=12.5(232)8.1-0.2x=2.3(233)12.8-0.5x=9.3(234)12.8-4x=4.8(235)16.1-14x=3.5(236)18.5-3x=6.2(237)18.3-8x=4.7(238)9.1-2x=7.3(239)16.1-3x=6.5(240)17.1-5x=3.6(241)14.1-16x=2.9(242)17.9-5x=13.9(243)17.6-3x=2.3(244)22x÷6=11(245)6x÷24=7(246)3x÷4=12(247)12x÷6=4(248)42x÷24=7(249)15x÷45=3(250)46x÷92=2(251)8x÷4=12(252)2x÷31=4(253)3.3x÷6=1.1(254)0.8x÷2=4.8(255)0.6x÷26=0.3(256)0.2x÷18=0.6(257)0.3x÷72=0.2(258)1.8x÷66=0.3(259)0.3x÷2=4.5(260)0.3x÷11=0.9(261)1.6x÷8=0.6(262)12x÷96=0.2(263)3x÷27=0.5(264)2x÷14=0.7(265)36x÷60=0.3(266)10x÷85=0.2(267)15x÷5=3.9(268)49x÷98=0.2(269)9x÷18=0.5(270)36x÷8=0.9(271)9x+8x=51(272)4x+15x=171(273)4x+6x=170(274)14x+12x=286(275)16x+6x=44(276)13x+11x=360(277)11x+12x=184(278)6x+9x=120(279)7x+8x=180(280)9x-2x=119(281)9x-6x=45(282)10x-6x=52(283)14x-9x=50(284)4x-2x=74(285)15x-13x=18(286)18x-9x=90(287)8x-5x=45(288)5x-2x=96(289)4.2x+4.3x=17(290)1.9x+6.6x=17(291)0.2x+9.1x=37.2(292)0.2x+1.2x=30.8(293)6.2x+1.7x=86.9(294)1.7x+1.6x=72.6(295)6.8x+7x=55.2(296)2x+2.7x=98.7(297)2.2x+5.4x=121.6(298)6.7x-5.7x=14(299)3x-0.2x=70(300)6x-1.9x=61.5(301)2.1x-1.6x=2(302)9.8x-6.3x=14(303)1.6x-1.4x=9.2(304)3.6x-0.9x=48.6(305)9.8x-8.4x=7(306)8.3x-2.1x=12.4(307)16x+8x+28=268(308)8x+15x+18=317(309)6x+5x+48=224(310)12x+7x+2=116(311)4x+15x+26=178(312)18x+10x+48=216(313)5x+13x+36=72(314)13x+6x+39=77(315)11x+13x+35=155(316)8x+7x-37=203(317)17x+4x-13=92(318)17x+7x-19=53(319)8x+2x-31=219(320)9x+5x-8=20(321)2x+5x-14=189(322)3x+9x-38=94(323)8x+3x-38=39(324)5x+4x-36=189(325)15x-8x+12=96(326)10x-4x+38=122(327)5x-3x+23=101(328)11x-8x+32=53(329)10x-8x+3=27(330)4x-2x+46=118(331)19x-17x+21=37(332)17x-7x+25=115(333)13x-9x+27=39(334)19x-6x-23=42(335)10x-8x-26=10(336)7x-5x-16=30(337)17x-2x-35=130(338)13x-7x-25=23(339)16x-5x-2=20(340)6x-3x-4=17(341)12x-3x-7=56(342)10x-4x-33=45(343)0.8x+1.1x+1.9=144.4(344)6.4x+3.1x+2.3=78.3(345)5.1x+8.5x+1.9=42.7(346)5.7x+6.8x+3.6=66.1(347)8.5x+2.1x+3.6=99(348)2.4x+6.2x+3.6=124(349)3.1x+0.7x+4.6=65.4(350)7.1x+7.2x+3.9=132.6(351)1.3x+0.4x+4=15.9(352)95x+91x+4.3=115.9(353)22x+20x+4=62.8(354)42x+29x+0.8=64.7(355)7x+4x+0.2=68.4(356)12x+72x+4.6=55(357)27x+4x+3.3=83.9(358)70x+99x+2.3=86.8(359)40x+2x+3.3=62.1(360)3x+35x+2.5=105.1(361)4x+3.7x-3.6=19.5(362)3.1x+9.6x-0.2=88.7(363)9.9x+6.6x-4.4=61.6(364)6.6x+3.4x-4.8=95.2(365)5.2x+8x-2=156.4(366)7.2x+9.5x-0.6=66.2(367)1.3x+0.7x-2.7=95.3(368)1.2x+0.8x-4.5=95.5(369)6.9x+5.8x-4.1=148.3(370)55x+61x-0.8=80.4(371)25x+9x-1.8=90(372)26x+84x-1.5=64.5(373)2x+3x-1.2=16.3(374)88x+64x-4=56.8(375)38x+14x-2.6=96.2(376)64x+24x-1.7=95.1(377)28x+42x-1.5=40.5(378)24x+66x-1.5=115.5(379)8.1x-5.7x+3.2=24.8(380)4.2x-3.1x+0.9=11.9(381)5.3x-4.1x+4.2=23.4(382)0.6x-0.3x+2.6=28.7(383)8.8x-8.6x+0.6=2(384)7.6x-4.6x+2=11(385)3.4x-0.9x+3.6=56.1(386)8.7x-1.6x+3.2=31.6(387)0.8x-0.2x+3.2=41(388)44x-3x+3=39.9(389)34x-29x+4.9=8.4(390)11x-5x+2.8=16(391)22x-12x+2=40(392)41x-10x+3=15.4(393)41x-5x+4.3=72.7(394)29x-18x+4=28.2(395)10x-6x+0.6=28.2(396)61x-39x+1.6=8.2(397)5.4x-2.6x-2.1=9.1(398)1.8x-0.9x-0.5=31.9(399)5.5x-1.7x-0.7=52.5(400)6.2x-3.9x-3.8=33(401)9.4x-4.1x-3.3=49.7(402)9.7x-4x-0.4=22.4(403)5.7x-0.4x-4.8=58.8(404)7.3x-3.9x-0.2=33.8(405)6.3x-1.1x-3.7=37.9(406)58x-31x-1.4=12.1(407)21x-12x-2.9=19.6(408)82x-37x-1.9=20.6(409)52x-34x-2.5=10.1(410)61x-25x-1.6=41.6(411)28x-8x-0.5=41.5(412)66x-51x-1.3=13.7(413)59x-23x-1.2=56.4(414)24x-20x-1.6=14(415)21x+5×22=152(416)25x+61×2=172(417)2x+17×3=157(418)5x+3×61=238(419)8x+2×56=144(420)2x+2×49=222(421)25x+2×53=281(422)12x+5×21=177(423)6x+23×2=118(424)7x-11×3=58(425)4x-29×4=56(426)2x-3×11=51(427)18x-5×16=118(428)5x-5×21=25(429)19x-44×2=83(430)19x-24×3=118(431)5x-4×27=22(432)5x-5×6=40(433)0.7x+0.2×28=25.2(434)3.7x+1×11=22.1(435)0.3x+3.6×4=19.5(436)0.4x+0.3×18=19.4(437)0.3x+4.5×4=28.2(438)0.7x+0.5×8=20.8(439)0.7x+2.5×6=20.6(440)4.7x+3.1×3=23.4(441)0.9x+2.3×5=25(442)18x+20×0.9=36(443)4x+3×2.6=14.6(444)3x+7×2.7=28.2(445)22x+37×0.2=11.8(446)20x+16×0.4=16.4(447)2x+4×3.9=19.2(448)7x+6×0.2=3.3(449)7x+10×1.7=19.1(450)4x+8×2.2=20(451)1.2x-0.3×8=3.6(452)1.1x-0.4×40=2.7(453)0.7x-0.9×11=5.5(454)0.3x-0.2×4=12.7(455)3.8x-0.4×26=4.8(456)0.4x-0.2×20=5.2(457)1x-1.5×6=4(458)0.4x-3.5×3=6.3(459)3.6x-2.8×2=12.4(460)15x-5×1.3=5.5(461)6x-3×2.8=4.2(462)47x-6×2=2.1(463)22x-17×0.8=6.2(464)6x-3×2.2=12(465)40x-8×0.2=14.4(466)2x-9×0.2=5.8(467)30x-15×0.4=12(468)6x-4×0.7=7.4(469)3(x+39)=162(470)2(x+27)=110(471)2(9x+32)=172(472)2(x+21)=94(473)2(8x+3)=118(474)5(x+24)=190(475)13(2x+4)=130(476)2(x+14)=66(477)3(x+35)=192(478)3(19x-33)=72(479)4(4x-2)=168(480)2(3x-26)=110(481)8(x-5)=136(482)4(11x-32)=48(483)8(2x-34)=192(484)8(2x-4)=144(485)6(19x-49)=162(486)3(11x-22)=165(487)3(0.4x+7.1)=29.7(488)6(0.5x+1.3)=46.8(489)4(0.7x+0.8)=45.2(490)5(1.3x+0.3)=47(491)2(3x+3.1)=24.2(492)2(0.5x+5.6)=49.2(493)3(0.9x+8.1)=37.8(494)7(0.7x+2.7)=43.4(495)12(0.3x+0.4)=33.6(496)21(0.5x-6.9)=33.6(497)3(2.6x-2.9)=22.5(498)9(0.3x-1.5)=10.8(499)3(4.4x-7.1)=5.1(500)2(0.3x-1.6)=16(501)5(1.7x-7.4)=48(502)19(2.9x-3.4)=45.6(503)7(2.6x-4.4)=23.8(504)12(0.5x-2.8)=38.4(505)(17x+5)÷7=42(506)(3x+33)÷48=2(507)(9x+46)÷26=8(508)(19x+15)÷5=60(509)(2x+28)÷11=4(510)(12x+27)÷39=5(511)(8x+40)÷11=24(512)(12x+48)÷25=12(513)(18x+2)÷8=7(514)(2x-6)÷2=24(515)(13x-7)÷9=5(516)(14x-42)÷14=15(517)(17x-13)÷45=5(518)(3x-14)÷11=5(519)(6x-9)÷15=5(520)(9x-15)÷3=31(521)(3x-6)÷6=11(522)(15x-46)÷16=14(523)(4.8x+7.6)÷20=3.5(524)(4.7x+1.6)÷4=9.8(525)(0.8x+9.1)÷21=0.7(526)(2.6x+4.6)÷28=1(527)(3.3x+4.5)÷2=20.4(528)(4.2x+4.4)÷4=17.9(529)(3.1x+1.8)÷32=1.8(530)(9.2x+3.3)÷7=12.3(531)(5.7x+3.7)÷4=5.2(532)(5.6x-2.1)÷3=21.7(533)(1.4x-3.8)÷2=9.3(534)(4.4x-5.5)÷19=1.1(535)(x-4.2)÷8=1.1(536)(5x-5.1)÷7=10.7(537)(8.8x-7.2)÷14=2(538)(6.7x-4.4)÷8=9.5(539)(5.3x-8.3)÷4=1.9(540)(6.6x-1.2)÷14=5.1参考答案(1)x=47(2)x=68(3)x=22(4)x=63(5)x=57(6)x=27(7)x=44(8)x=36(9)x=10(10)x=71(11)x=76(12)x=39(13)x=44(14)x=24(15)x=94(16)x=51(17)x=95(18)x=82(19)x=5.1(20)x=4.8(21)x=6.8(22)x=8.4(23)x=9.4(24)x=9.3(25)x=8.5(26)x=6.1(27)x=5.6(28)x=7.6(29)x=9.8(30)x=8.7(31)x=8.4(32)x=9.3(33)x=8.2(34)x=4.6(35)x=1.7(36)x=9.4(37)x=56(38)x=19(39)x=81(40)x=67(41)x=24(42)x=32(43)x=67(44)x=48(45)x=4(46)x=53(47)x=13(48)x=8(49)x=23(50)x=62(51)x=26(52)x=37(53)x=9(54)x=24(55)x=3.9(56)x=6.8(57)x=3(58)x=0.3(59)x=4.5(60)x=2.5(61)x=9.7(62)x=9.2(63)x=4.8(64)x=6.4(65)x=6.4(66)x=4.9(67)x=2(68)x=4.7(69)x=1.7(70)x=2.2(71)x=6.3(72)x=3(73)x=4(74)x=7(75)x=4(76)x=3(77)x=8(78)x=3(79)x=7(80)x=33(81)x=40(82)x=63(83)x=5(84)x=10(85)x=2(86)x=12(87)x=3(88)x=9(89)x=18(90)x=29(91)x=0.4(92)x=1.4(93)x=0.2(94)x=0.5(95)x=1.1(96)x=0.5(97)x=0.8(98)x=2.9(99)x=0.7(100)x=9(101)x=25(102)x=4(103)x=82(104)x=5(105)x=66(106)x=8(107)x=5(108)x=21(109)x=2(110)x=28(111)x=5(112)x=30(113)x=10(114)x=84(115)x=3(116)x=23(117)x=16(118)x=132(119)x=88(120)x=75(121)x=65(122)x=49(123)x=106(124)x=164(125)x=143(126)x=50(127)x=18.5(128)x=7.5(129)x=10.8(130)x=18.8(131)x=11.4(132)x=12.3(133)x=19.2(134)x=5(135)x=19.8(136)x=15(137)x=58(138)x=40(139)x=5(140)x=8(141)x=38(142)x=7(143)x=7(144)x=39(145)x=39(146)x=44(147)x=50(148)x=2(149)x=4(150)x=3(151)x=2(152)x=16(153)x=16(154)x=0.2(155)x=0.6(156)x=1.3(157)x=0.5(158)x=0.2(159)x=0.8(160)x=0.8(161)x=0.2(162)x=8.3(163)x=17(164)x=5(165)x=11(166)x=2(167)x=5(168)x=40(169)x=4(170)x=5(171)x=2(172)x=0.5(173)x=7.1(174)x=3.1(175)x=2.7(176)x=5.8(177)x=0.4(178)x=0.6(179)x=0.5(180)x=0.2(181)x=9(182)x=49(183)x=2(184)x=68(185)x=13(186)x=20(187)x=30(188)x=12(189)x=10(190)x=52(191)x=2(192)x=18(193)x=5(194)x=4(195)x=13(196)x=3(197)x=46(198)x=21(199)x=56(200)x=23(201)x=21(202)x=4(203)x=3(204)x=8(205)x=9(206)x=5(207)x=32(208)x=2(209)x=24(210)x=10(211)x=2(212)x=7(213)x=2(214)x=44(215)x=16(216)x=36(217)x=0.5(218)x=1.4(219)x=0.9(220)x=0.4(221)x=1.7(222)x=0.3(223)x=5.2(224)x=0.2(225)x=0.2(226)x=22(227)x=10(228)x=28(229)x=5(230)x=2(231)x=5(232)x=29(233)x=7(234)x=2(235)x=0.9(236)x=4.1(237)x=1.7(238)x=0.9(239)x=3.2(240)x=2.7(241)x=0.7(242)x=0.8(243)x=5.1(244)x=3(245)x=28(246)x=16(247)x=2(248)x=4(249)x=9(250)x=4(251)x=6(252)x=62(253)x=2(254)x=12(255)x=13(256)x=54(257)x=48(258)x=11(259)x=30(260)x=33(261)x=3(262)x=1.6(263)x=4.5(264)x=4.9(265)x=0.5(266)x=1.7(267)x=1.3(268)x=0.4(269)x=1(270)x=0.2(271)x=3(272)x=9(273)x=17(274)x=11(275)x=2(276)x=15(277)x=8(278)x=8(279)x=12(280)x=17(281)x=15(282)x=13(283)x=10(284)x=37(285)x=9(286)x=10(287)x=15(288)x=32(289)x=2(290)x=2(291)x=4(292)x=22(293)x=11(294)x=22(295)x=4(296)x=21(297)x=16(298)x=14(299)x=25(300)x=15(301)x=4(302)x=4(303)x=46(304)x=18(305)x=5(306)x=2(307)x=10(308)x=13(309)x=16(310)x=6(311)x=8(312)x=6(313)x=2(314)x=2(315)x=5(316)x=16(317)x=5(318)x=3(319)x=25(320)x=2(321)x=29(322)x=11(323)x=7(324)x=25(325)x=12(326)x=14(327)x=39(328)x=7(329)x=12(330)x=36(331)x=8(332)x=9(333)x=3(334)x=5(335)x=18(336)x=23(337)x=11(338)x=8(339)x=2(340)x=7(341)x=7(342)x=13(343)x=75(344)x=8(345)x=3(346)x=5(347)x=9(348)x=14(349)x=16(350)x=9(351)x=7(352)x=0.6(353)x=1.4(354)x=0.9(355)x=6.2(356)x=0.6(357)x=2.6(358)x=0.5(359)x=1.4(360)x=2.7(361)x=3(362)x=7(363)x=4(364)x=10(365)x=12(366)x=4(367)x=49(368)x=50(369)x=12(370)x=0.7(371)x=2.7(372)x=0.6(373)x=3.5(374)x=0.4(375)x=1.9(376)x=1.1(377)x=0.6(378)x=1.3(379)x=9(380)x=10(381)x=16(382)x=87(383)x=7(384)x=3(385)x=21(386)x=4(387)x=63(388)x=0.9(389)x=0.7(390)x=2.2(391)x=3.8(392)x=0.4(393