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+32=96(2)x+63=79(3)x+19=99(4)x+59=135(5)x+99=115(6)x+45=50(7)x+74=81(8)x+8=65(9)x+80=132(10)x-3=36(11)x-26=34(12)x-4=35(13)x-4=78(14)x-27=53(15)x-70=23(16)x-13=42(17)x-68=16(18)x-58=10(19)x+8.8=10(20)x+9.8=17.4(21)x+5.8=12.2(22)x+9.9=10.4(23)x+9.1=11.6(24)x+6.6=6.8(25)x+3.3=5.4(26)x+2.9=9.8(27)x+3.5=5.4(28)x-3.9=1.8(29)x-6.9=2.9(30)x-2.8=4(31)x-0.4=6.8(32)x-1.7=1.6(33)x-0.7=7.2(34)x-1.2=7.4(35)x-0.5=6.8(36)x-3.7=5.1(37)57+x=62(38)62+x=157(39)54+x=90(40)88+x=112(41)88+x=186(42)83+x=140(43)12+x=21(44)66+x=91(45)69+x=125(46)82-x=63(47)74-x=35(48)47-x=30(49)91-x=29(50)35-x=22(51)47-x=12(52)92-x=53(53)73-x=26(54)86-x=38(55)2.2+x=3.6(56)1+x=10.4(57)6.1+x=7.3(58)3.4+x=12.5(59)5.4+x=9.8(60)1.7+x=2.9(61)2.5+x=5.1(62)3.7+x=4.6(63)9+x=13.1(64)7.4-x=4.3(65)8.8-x=7.1(66)8.3-x=3.3(67)6.8-x=6.1(68)8.4-x=2.6(69)9.7-x=1(70)9.4-x=7.7(71)6.6-x=6.2(72)5.1-x=3.4(73)14x=126(74)14x=98(75)27x=81(76)51x=153(77)23x=184(78)2x=84(79)32x=128(80)2x=152(81)40x=120(82)4.1x=12.3(83)1.9x=9.5(84)1.8x=14.4(85)2.1x=10.5(86)0.3x=10.5(87)0.6x=13.8(88)0.7x=2.1(89)3.3x=13.2(90)1.7x=15.3(91)4x=16.8(92)7x=1.4(93)15x=6(94)26x=13(95)22x=11(96)2x=7.2(97)14x=19.6(98)2x=11(99)2x=6.8(100)119÷x=17(101)56÷x=2(102)105÷x=7(103)49÷x=7(104)156÷x=12(105)185÷x=5(106)33÷x=11(107)84÷x=28(108)164÷x=4(109)19.8÷x=3.3(110)4.2÷x=0.2(111)4.8÷x=0.2(112)11.2÷x=0.8(113)3.2÷x=1.6(114)1.2÷x=0.6(115)6÷x=0.2(116)15.8÷x=0.2(117)17.6÷x=1.1(118)x÷7=10(119)x÷20=3(120)x÷2=31(121)x÷5=14(122)x÷2=2(123)x÷3=37(124)x÷13=2(125)x÷3=49(126)x÷6=5(127)x÷4=4.3(128)x÷13=1.5(129)x÷34=0.4(130)x÷16=0.6(131)x÷9=1.8(132)x÷30=0.6(133)x÷20=0.2(134)x÷2=1(135)x÷17=1(136)9x+45=81(137)23x+18=87(138)13x+42=81(139)24x+11=131(140)4x+49=189(141)9x+33=123(142)5x+18=48(143)2x+58=66(144)2x+40=140(145)4x-43=105(146)2x-15=137(147)4x-59=85(148)40x-33=167(149)13x-30=126(150)77x-16=138(151)11x-32=166(152)14x-54=44(153)3x-19=38(154)28x+3.9=15.1(155)2x+2.3=9.3(156)9x+4=11.2(157)6x+5=17.6(158)3x+2.4=11.4(159)37x+5=16.1(160)3x+4.3=23.8(161)16x+5.9=18.7(162)10x+3=13(163)2.5x+2.5=12.5(164)2.5x+3.1=15.6(165)2.6x+3.8=11.6(166)5.1x+5.1=20.4(167)0.5x+5.2=15.2(168)0.3x+5=16.4(169)1.1x+1.7=21.5(170)1.5x+4.7=15.2(171)0.9x+2.4=13.2(172)13x-2.7=7.7(173)6x-3.7=5.3(174)48x-2.6=7(175)2x-3.6=8.2(176)81x-3=13.2(177)14x-5.4=10(178)11x-2.2=14.3(179)2x-2.9=16.9(180)23x-1.9=9.6(181)0.7x-1.7=11.6(182)8x-4.7=11.3(183)0.4x-3.4=5(184)0.5x-2=16(185)2.7x-2.9=2.5(186)1.2x-3.3=12.3(187)0.9x-5.4=9(188)3.3x-4=5.9(189)6.1x-5.3=6.9(190)165+25x=265(191)140+2x=336(192)57+16x=153(193)182+2x=284(194)193+14x=361(195)103+2x=181(196)194+4x=250(197)82+40x=242(198)165+5x=230(199)68-2x=36(200)82-33x=16(201)187-2x=65(202)116-29x=29(203)187-30x=97(204)96-39x=18(205)47-10x=27(206)103-16x=23(207)119-3x=89(208)19.2+1.1x=33.5(209)3.8+0.5x=16.8(210)7+0.2x=26.4(211)3.8+6.8x=17.4(212)13.5+0.9x=31.5(213)16+1x=34(214)15.8+0.8x=35(215)10.1+6x=22.1(216)6+1.1x=23.6(217)11.9+2x=18.1(218)11.4+23x=25.2(219)8.9+53x=19.5(220)6+7x=12.3(221)3.6+20x=19.6(222)8.1+66x=27.9(223)7.9+6x=25.3(224)5.1+4x=10.3(225)4.5+2x=6.3(226)16.9-4.6x=3.1(227)17.6-0.7x=8.5(228)17.9-0.4x=6.3(229)11-0.3x=8.9(230)13.9-1.1x=11.7(231)12.4-1.2x=2.8(232)18.6-0.9x=6.9(233)15.8-0.3x=11.6(234)16.4-0.8x=9.2(235)15.6-4x=9.2(236)18-9x=16.2(237)12.5-8x=3.7(238)17-3x=15.8(239)9.1-10x=2.1(240)19.2-72x=4.8(241)18-5x=7(242)12.8-23x=5.9(243)7.1-6x=3.5(244)5x÷40=4(245)44x÷16=11(246)21x÷2=42(247)6x÷33=4(248)3x÷2=27(249)2x÷14=7(250)5x÷50=2(251)3x÷10=18(252)3x÷48=4(253)3.5x÷70=0.2(254)0.8x÷40=0.2(255)4.2x÷28=0.6(256)1.6x÷32=0.6(257)1x÷40=0.2(258)0.5x÷18=1(259)2.2x÷16=1.1(260)4.6x÷23=0.8(261)4.4x÷12=1.1(262)64x÷8=1.6(263)8x÷5=2.4(264)55x÷11=1.5(265)28x÷14=0.8(266)12x÷8=1.5(267)12x÷64=0.3(268)60x÷6=2(269)2x÷7=2.6(270)3x÷42=0.4(271)5x+9x=98(272)19x+6x=250(273)17x+19x=360(274)5x+11x=240(275)16x+14x=90(276)4x+5x=342(277)3x+16x=152(278)7x+2x=99(279)16x+14x=210(280)12x-9x=15(281)19x-15x=16(282)13x-8x=15(283)8x-6x=20(284)15x-10x=45(285)10x-7x=39(286)12x-2x=90(287)15x-7x=48(288)15x-8x=42(289)0.6x+0.8x=54.6(290)0.8x+3.8x=9.2(291)1.5x+7.2x=113.1(292)8x+6.7x=44.1(293)2.8x+3.1x=82.6(294)3.2x+5.8x=63(295)3.7x+0.2x=27.3(296)2.4x+8x=52(297)4.2x+1.5x=39.9(298)6.5x-2.3x=29.4(299)3.5x-1.3x=61.6(300)2.5x-1.4x=33(301)7.4x-5.9x=12(302)2.8x-0.4x=64.8(303)6.6x-4x=20.8(304)1.2x-1x=8.2(305)3.7x-1.7x=40(306)4.8x-1.9x=46.4(307)17x+12x+16=132(308)2x+16x+37=253(309)9x+4x+13=247(310)6x+11x+34=170(311)7x+5x+33=69(312)4x+2x+8=170(313)14x+8x+23=111(314)14x+17x+32=94(315)7x+3x+42=122(316)17x+13x-9=291(317)15x+16x-41=238(318)12x+2x-41=113(319)6x+4x-16=104(320)13x+18x-36=274(321)11x+6x-29=226(322)4x+9x-8=174(323)6x+9x-20=55(324)2x+14x-10=54(325)17x-5x+28=76(326)6x-4x+29=89(327)8x-4x+5=77(328)8x-2x+9=51(329)13x-7x+17=29(330)11x-5x+26=128(331)19x-4x+42=72(332)11x-6x+15=105(333)18x-12x+3=57(334)13x-2x-43=34(335)19x-9x-12=48(336)19x-15x-5=31(337)15x-9x-42=18(338)18x-12x-24=18(339)10x-4x-41=55(340)8x-4x-14=54(341)8x-6x-22=24(342)10x-2x-17=111(343)3.7x+4.4x+4.1=133.7(344)9.7x+5x+1.7=134(345)5x+2.6x+2.2=63(346)1.6x+3.3x+2.8=56.7(347)8.1x+7.1x+4.2=171.4(348)3.9x+2.4x+1.8=27(349)1.7x+4.1x+0.4=41(350)6.9x+2.7x+4.6=33.4(351)1.2x+3.1x+3.4=123.8(352)22x+2x+4.4=102.8(353)2x+9x+0.7=19.4(354)68x+98x+0.9=150.3(355)30x+28x+1.2=12.8(356)99x+93x+1.7=78.5(357)11x+54x+3.7=49.2(358)87x+62x+2.6=92(359)42x+32x+0.7=74.7(360)50x+54x+2.9=169.3(361)2.4x+5.6x-0.3=71.7(362)7.5x+6.4x-1.5=95.8(363)3.1x+6x-2.7=124.7(364)0.4x+3.7x-1.8=108.9(365)2.1x+8.9x-3.7=18.3(366)0.4x+1.2x-1.3=13.1(367)1.3x+1.2x-3=57(368)1.6x+2.5x-2.3=34.6(369)7.9x+0.7x-0.8=85.2(370)37x+21x-2.1=131.3(371)78x+95x-2.2=84.3(372)4x+12x-4.4=37.2(373)40x+70x-1.6=119.4(374)68x+8x-4.6=71.4(375)16x+73x-2.7=95.2(376)13x+3x-0.4=92.4(377)86x+99x-3.5=89(378)38x+29x-2.9=111(379)6.2x-4.9x+3.9=15.6(380)2.8x-1x+3.9=29.1(381)6.8x-5.7x+4=10.6(382)3.1x-2x+3.6=13.5(383)0.5x-0.2x+2=24.8(384)9.1x-6.5x+0.3=8.1(385)5.1x-2.9x+4.3=37.3(386)6.9x-1.7x+2.8=18.4(387)2.7x-0.7x+0.5=28.5(388)70x-54x+0.8=12(389)10x-6x+2.7=21.5(390)76x-26x+0.3=30.3(391)38x-11x+4.4=55.7(392)12x-2x+2.5=37.5(393)90x-22x+0.2=13.8(394)63x-13x+1.7=46.7(395)22x-14x+0.4=8.4(396)68x-50x+2.1=7.5(397)4.6x-4x-1.9=5.3(398)6x-5.7x-2.2=1.1(399)2.8x-0.2x-3.6=17.2(400)9.3x-5x-3.6=22.2(401)8.6x-5.2x-4.7=29.3(402)2.2x-1.9x-4.3=6.2(403)4.6x-3.1x-3.2=17.8(404)3.2x-2.7x-1.4=3.6(405)2.6x-1.1x-0.5=37(406)12x-6x-4.3=3.5(407)17x-5x-3.3=47.1(408)13x-9x-0.5=19.1(409)93x-13x-3.5=12.5(410)86x-49x-4.2=3.2(411)8x-2x-0.4=20(412)77x-23x-1.6=47(413)56x-7x-3=46(414)24x-2x-0.3=37.1(415)2x+12×5=74(416)2x+2×29=90(417)5x+13×15=330(418)3x+15×10=216(419)2x+4×23=220(420)2x+3×49=231(421)2x+36×4=304(422)4x+16×2=124(423)9x+17×8=235(424)3x-57×2=12(425)3x-14×3=108(426)3x-2×6=72(427)7x-24×3=47(428)10x-22×2=66(429)20x-16×10=20(430)6x-8×21=30(431)10x-2×7=156(432)9x-9×5=81(433)0.2x+1×7=15.8(434)0.3x+3.1×5=25.7(435)0.4x+1.4×13=37.4(436)0.7x+3.7×5=28.3(437)0.4x+2.3×4=10(438)3.3x+0.8×9=17.1(439)1x+0.3×11=16.3(440)2.6x+0.3×11=11.1(441)1.6x+0.5×36=21.2(442)10x+15×0.3=20.5(443)13x+7×1=17.4(444)6x+4×3.7=21.4(445)4x+12×1.6=33.2(446)10x+4×0.6=6.4(447)3x+8×1.3=24.2(448)2x+35×0.4=21.4(449)4x+4×4.4=27.6(450)3x+7×1.6=22.3(451)1x-2.9×3=2.3(452)1.5x-0.4×3=10.8(453)2.1x-0.7×8=9.1(454)3.4x-0.6×15=1.2(455)0.7x-0.9×4=15.3(456)1.4x-1.9×5=8.7(457)0.8x-1.6×4=10.4(458)1x-0.5×2=8(459)1.3x-0.8×13=1.3(460)22x-15×0.2=14.6(461)3x-2×2.8=4.9(462)4x-33×0.4=4.4(463)49x-30×0.3=5.7(464)18x-41×0.4=1.6(465)10x-3×1.9=5.3(466)5x-4×2.7=9.2(467)8x-26×0.2=2(468)42x-3×1.5=8.1(469)2(3x+42)=180(470)2(11x+7)=168(471)3(6x+21)=135(472)7(x+3)=154(473)3(x+21)=159(474)5(x+19)=105(475)2(3x+47)=106(476)6(x+16)=168(477)2(x+13)=46(478)2(10x-42)=176(479)3(7x-8)=39(480)3(7x-27)=87(481)2(3x-21)=90(482)5(2x-14)=180(483)7(x-7)=126(484)14(4x-43)=182(485)11(14x-15)=143(486)4(6x-21)=60(487)17(0.2x+1.3)=32.3(488)2(1.1x+6)=36.2(489)6(0.3x+4.2)=32.4(490)7(0.3x+1.2)=25.2(491)2(0.7x+6.4)=39.4(492)2(0.3x+1.8)=13.2(493)2(2.9x+1.1)=13.8(494)5(0.2x+4)=48(495)5(0.2x+7.7)=47.5(496)2(1.8x-9)=39.6(497)26(2.9x-6.9)=46.8(498)26(2.9x-4.1)=44.2(499)2(x-9.4)=13.2(500)2(2.8x-7.7)=23.8(501)6(0.9x-0.3)=25.2(502)7(0.3x-0.9)=16.8(503)2(0.3x-0.2)=21.8(504)12(1.5x-4)=42(505)(18x+18)÷7=36(506)(11x+43)÷10=23(507)(x+3)÷24=1(508)(6x+42)÷6=30(509)(16x+46)÷2=127(510)(15x+33)÷4=27(511)(13x+3)÷4=30(512)(11x+5)÷14=20(513)(14x+6)÷43=6(514)(10x-28)÷4=18(515)(10x-12)÷8=6(516)(9x-16)÷17=7(517)(9x-18)÷2=99(518)(5x-5)÷15=3(519)(5x-21)÷3=28(520)(19x-4)÷36=2(521)(12x-9)÷7=9(522)(6x-20)÷2=53(523)(1.5x+0.9)÷38=0.3(524)(1.1x+2.9)÷9=1.3(525)(2.1x+7.8)÷3=13.8(526)(9.1x+1.2)÷2=27.9(527)(2.9x+1.4)÷4=13.4(528)(2.3x+4.3)÷13=2.1(529)(8.8x+0.7)÷3=32.5(530)(9.5x+5.4)÷9=10.1(531)(0.6x+8.4)÷18=1.1(532)(6.6x-9.8)÷38=2(533)(4.4x-1.1)÷3=23.1(534)(2.2x-4)÷3=1.6(535)(2.2x-7.2)÷10=0.6(536)(5.3x-7.7)÷11=4.6(537)(1.5x-1.2)÷3=2.1(538)(5.2x-1.1)÷9=9.7(539)(0.6x-2.9)÷5=1.1(540)(7.1x-1.3)÷12=6.4参考答案(1)x=64(2)x=16(3)x=80(4)x=76(5)x=16(6)x=5(7)x=7(8)x=57(9)x=52(10)x=39(11)x=60(12)x=39(13)x=82(14)x=80(15)x=93(16)x=55(17)x=84(18)x=68(19)x=1.2(20)x=7.6(21)x=6.4(22)x=0.5(23)x=2.5(24)x=0.2(25)x=2.1(26)x=6.9(27)x=1.9(28)x=5.7(29)x=9.8(30)x=6.8(31)x=7.2(32)x=3.3(33)x=7.9(34)x=8.6(35)x=7.3(36)x=8.8(37)x=5(38)x=95(39)x=36(40)x=24(41)x=98(42)x=57(43)x=9(44)x=25(45)x=56(46)x=19(47)x=39(48)x=17(49)x=62(50)x=13(51)x=35(52)x=39(53)x=47(54)x=48(55)x=1.4(56)x=9.4(57)x=1.2(58)x=9.1(59)x=4.4(60)x=1.2(61)x=2.6(62)x=0.9(63)x=4.1(64)x=3.1(65)x=1.7(66)x=5(67)x=0.7(68)x=5.8(69)x=8.7(70)x=1.7(71)x=0.4(72)x=1.7(73)x=9(74)x=7(75)x=3(76)x=3(77)x=8(78)x=42(79)x=4(80)x=76(81)x=3(82)x=3(83)x=5(84)x=8(85)x=5(86)x=35(87)x=23(88)x=3(89)x=4(90)x=9(91)x=4.2(92)x=0.2(93)x=0.4(94)x=0.5(95)x=0.5(96)x=3.6(97)x=1.4(98)x=5.5(99)x=3.4(100)x=7(101)x=28(102)x=15(103)x=7(104)x=13(105)x=37(106)x=3(107)x=3(108)x=41(109)x=6(110)x=21(111)x=24(112)x=14(113)x=2(114)x=2(115)x=30(116)x=79(117)x=16(118)x=70(119)x=60(120)x=62(121)x=70(122)x=4(123)x=111(124)x=26(125)x=147(126)x=30(127)x=17.2(128)x=19.5(129)x=13.6(130)x=9.6(131)x=16.2(132)x=18(133)x=4(134)x=2(135)x=17(136)x=4(137)x=3(138)x=3(139)x=5(140)x=35(141)x=10(142)x=6(143)x=4(144)x=50(145)x=37(146)x=76(147)x=36(148)x=5(149)x=12(150)x=2(151)x=18(152)x=7(153)x=19(154)x=0.4(155)x=3.5(156)x=0.8(157)x=2.1(158)x=3(159)x=0.3(160)x=6.5(161)x=0.8(162)x=1(163)x=4(164)x=5(165)x=3(166)x=3(167)x=20(168)x=38(169)x=18(170)x=7(171)x=12(172)x=0.8(173)x=1.5(174)x=0.2(175)x=5.9(176)x=0.2(177)x=1.1(178)x=1.5(179)x=9.9(180)x=0.5(181)x=19(182)x=2(183)x=21(184)x=36(185)x=2(186)x=13(187)x=16(188)x=3(189)x=2(190)x=4(191)x=98(192)x=6(193)x=51(194)x=12(195)x=39(196)x=14(197)x=4(198)x=13(199)x=16(200)x=2(201)x=61(202)x=3(203)x=3(204)x=2(205)x=2(206)x=5(207)x=10(208)x=13(209)x=26(210)x=97(211)x=2(212)x=20(213)x=18(214)x=24(215)x=2(216)x=16(217)x=3.1(218)x=0.6(219)x=0.2(220)x=0.9(221)x=0.8(222)x=0.3(223)x=2.9(224)x=1.3(225)x=0.9(226)x=3(227)x=13(228)x=29(229)x=7(230)x=2(231)x=8(232)x=13(233)x=14(234)x=9(235)x=1.6(236)x=0.2(237)x=1.1(238)x=0.4(239)x=0.7(240)x=0.2(241)x=2.2(242)x=0.3(243)x=0.6(244)x=32(245)x=4(246)x=4(247)x=22(248)x=18(249)x=49(250)x=20(251)x=60(252)x=64(253)x=4(254)x=10(255)x=4(256)x=12(257)x=8(258)x=36(259)x=8(260)x=4(261)x=3(262)x=0.2(263)x=1.5(264)x=0.3(265)x=0.4(266)x=1(267)x=1.6(268)x=0.2(269)x=9.1(270)x=5.6(271)x=7(272)x=10(273)x=10(274)x=15(275)x=3(276)x=38(277)x=8(278)x=11(279)x=7(280)x=5(281)x=4(282)x=3(283)x=10(284)x=9(285)x=13(286)x=9(287)x=6(288)x=6(289)x=39(290)x=2(291)x=13(292)x=3(293)x=14(294)x=7(295)x=7(296)x=5(297)x=7(298)x=7(299)x=28(300)x=30(301)x=8(302)x=27(303)x=8(304)x=41(305)x=20(306)x=16(307)x=4(308)x=12(309)x=18(310)x=8(311)x=3(312)x=27(313)x=4(314)x=2(315)x=8(316)x=10(317)x=9(318)x=11(319)x=12(320)x=10(321)x=15(322)x=14(323)x=5(324)x=4(325)x=4(326)x=30(327)x=18(328)x=7(329)x=2(330)x=17(331)x=2(332)x=18(333)x=9(334)x=7(335)x=6(336)x=9(337)x=10(338)x=7(339)x=16(340)x=17(341)x=23(342)x=16(343)x=16(344)x=9(345)x=8(346)x=11(347)x=11(348)x=4(349)x=7(350)x=3(351)x=28(352)x=4.1(353)x=1.7(354)x=0.9(355)x=0.2(356)x=0.4(357)x=0.7(358)x=0.6(359)x=1(360)x=1.6(361)x=9(362)x=7(363)x=14(364)x=27(365)x=2(366)x=9(367)x=24(368)x=9(369)x=10(370)x=2.3(371)x=0.5(372)x=2.6(373)x=1.1(374)x=1(375)x=1.1(376)x=5.8(377)x=0.5(378)x=1.7(379)x=9(380)x=14(381)x=6(382)x=9(383)x=76(384)x=3(385)x=15(386)x=3(387)x=14(388)x=0.7(389)x=4.7(390)x=0.6(391)x=1.9(392)x=3.5(393)x