五年级数学(方程)习题及答案汇编

五年级数学(方程)习题及答案汇编(1)x÷9=4(2)14x+17x=248(3)11.4+0.9x=25.8(4)24x+59x+0.7=92(5)14x=168(6)12x+25×0.4=29.2(7)3x=30(8)11x-34=87(9)3.9x-1.1x=70(10)(3.5x-7.8)÷3=7.9(11)x÷5=3.8(12)0.8x+1.1×14=28.2(13)0.2x÷5=1.4(14)12.5+21x=29.3(15)4.7x-3.9x-2.1=3.5(16)7x-7×1.5=5.6(17)62x-53=133(18)10x+22=192(19)18÷x=0.9(20)2.7+x=3.5(21)14x-2×32=76(22)(4x+32)÷27=4(23)60x-16x+3.8=39(24)19x-4x=150(25)7x+4x-35=119(26)11x+4x-43=32(27)2x+3=13(28)12x-6x+35=119(29)x-0.4=1.3(30)18x-7x=33(31)x+51=109(32)13x-2x+5=71(33)3x+2x=230(34)7.9x+4.8=20.6(35)6.1+0.5x=20.1(36)4x+2x=174(37)68x+54x+1.1=135.3(38)4(0.6x-6.3)=20.4(39)45x-12x+2.4=35.4(40)10x+5×23=245(41)x+8.9=11.3(42)176-7x=155(43)6.2x-4.6x-3=8.2(44)9.3x-6.3x-0.4=20.6(45)x+6=13.3(46)9x+20×0.7=33.8(47)16x+5x=42(48)11x+13×0.8=24.7(49)3x+5x+46=166(50)7.1x+7.2x=171.6(51)(19x-13)÷11=4(52)4x-0.3×18=2.6(53)6.1x-4.8x-3.2=9.8(54)x÷6=3.1(55)8x=8(56)10x-4.9=7.1(57)4.2x-2.1x+1.9=43.9(58)4x-2x-19=53(59)7.9x-4.5x-0.2=6.6(60)0.3x=0.9(61)4.2x-0.8x+4.6=14.8(62)25x+3×52=256(63)0.2x÷9=1.4(64)x÷8=1.5(65)x-6.8=2.7(66)2x-51×2=96(67)60x-3.1=14.9(68)(9.5x-1.5)÷18=1.5(69)11x+13x+2=242(70)2.3x-1×3=8.5(71)5x=12(72)11x+10x=126(73)2.3x+3.2x-4.9=55.6(74)28x-2.2=11.8(75)38÷x=19(76)138÷x=23(77)6.3x-2.8x+3.5=14(78)53x-25x-2.2=14.6(79)0.7x+0.3×8=15.7(80)35x+67x-4.8=87(81)x+29=102(82)42x÷9=14(83)0.6x+3.1=18.7(84)7x+17=213(85)7x÷42=0.2(86)3÷x=1(87)(7.9x-2)÷2=46.4(88)13x-3x=140(89)x-19=23(90)4.4x+0.8x+4.4=20(91)2x+4×46=364(92)13x-2x=132(93)x÷3=24(94)13.7-10x=11.7(95)1.6x+0.4x+3.9=43.9(96)x-15=11(97)5.6x+9.3x+0.4=74.9(98)9x-4x=70(99)3x+2x=60(100)26+23x=210(101)(2.8x-6.8)÷2=9.2(102)11x+9x-31=169(103)197-7x=148(104)6x=18(105)2.5x-2.1x-1.4=14.2(106)18x-2x-16=80(107)0.5x+4.6x-1.6=44.3(108)9+x=14.5(109)(5.7x+8.5)÷7=11.8(110)15(0.2x+2.1)=49.5(111)66-x=64(112)3x+15=138(113)4.1+4.8x=18.5(114)5.9-x=3.9(115)8x-3x+22=147(116)3x+2.4=19.8(117)0.2x+5.9=10.7(118)6(24x-43)=174(119)155-3x=32(120)13x=195(121)3÷x=0.2(122)x+20=85(123)(6.5x+2)÷20=4(124)24x+1.3=18.1(125)8.7+x=13.2(126)8.8-2x=6.2(127)5(4.6x-0.9)=41.5(128)14x+18x-6=346(129)47x+66x+4.6=174.1(130)(4x+22)÷2=45(131)x÷7=0.9(132)8.5+13x=25.4(133)5+x=11.1(134)x÷15=12(135)146÷x=2(136)5.2x-4.1x+1.9=8.5(137)72x-19x+3.4=67(138)8x-6x+2=22(139)5x÷80=0.2(140)12x=192(141)x+2.4=6.7(142)0.3x=7.2(143)(9.9x-9.3)÷3=6.8(144)9x+45×0.4=37.8(145)19x+2×95=247(146)2(2.7x+6)=33.6(147)42x-59=25(148)3.6x+0.6×18=21.6(149)2.6x+8.6x-0.8=111.2(150)36x÷4=18(151)26x-4×0.5=5.8(152)5x÷19=10(153)7.2-0.3x=6.6(154)(11x-29)÷2=68(155)21+7x=175(156)168-16x=72(157)4(2.8x-8)=35.2(158)23x+3×2.1=15.5(159)8x+15×11=341(160)x+43=119(161)4x+2×20=240(162)98x+50x+4.2=78.2(163)x÷9=9(164)x-0.9=2.4(165)x÷17=11(166)6.7x+2.9x-0.2=115(167)15.3÷x=0.9(168)x+6.8=7.6(169)0.2x-4.6=8.6(170)31x+6×1.9=17.6(171)8.4+x=11(172)41x+45x-1.2=67.6(173)2.6x+0.7x=13.2(174)5.5-x=3.6(175)0.5x+5.9=23.9(176)44x+4x-1.6=8(177)13x+12x-33=317(178)0.5x+5.7x-0.5=18.1(179)x+6.3=12.1(180)2.2x-1.3=14.1(181)4x÷8=2.2(182)x-1.4=3(183)5(0.6x+0.5)=17.5(184)11.2+65x=24.2(185)179-61x=57(186)31x-3.5=12(187)1.3x-0.6×9=3.7(188)(18x+48)÷8=33(189)14x-10x-10=42(190)176÷x=16(191)10x+14x+17=113(192)(2.9x+3.3)÷9=5.2(193)3x-3.5=7.9(194)(1.9x-1.3)÷39=0.6(195)19x+8x=54(196)6x=16.2(197)8x+1.5=5.5(198)8x-2.3x+1.6=18.7(199)171÷x=3(200)3.1x-0.2×9=4.4(201)4x+8x-33=243(202)16.4-0.8x=11.6(203)x+47=73(204)4(23x-39)=120(205)7-0.3x=5.5(206)x-53=19(207)6x÷3=24(208)55x+26x+4.1=93.2(209)0.7x+5x=91.2(210)2(5x-40)=120(211)x-0.6=1.7(212)15x÷24=0.5(213)13x-10x=15(214)12x-17×1=2.2(215)4.8x-1.1×2=12.2(216)2x÷37=4(217)11x+8x+13=146(218)16x+4x-40=120(219)x-0.2=1.4(220)17(3.8x-5.4)=37.4(221)17x+80x-3.3=25.8(222)4x+7x+33=220(223)11x+39×0.5=26.1(224)6x-2x=88(225)0.4x-2×4=8(226)4x-4×2.6=4.8(227)0.5x-0.3×4=14.8(228)3.2x-0.7x=72.5(229)10x÷4=5(230)4.4x+2.1x=52(231)95+x=126(232)2.5x-0.6x=41.8(233)19.8-13x=8.1(234)66x-13x-1.5=72.7(235)(9x+41)÷38=7(236)x-41=50(237)4x+3x=63(238)58x+33x+2.8=84.7(239)58x+39x-3.9=131.9(240)3(x-11)=54(241)1.1x+3.3x=44(242)169+9x=214(243)0.7x-5=4.1(244)10x=140(245)8.8÷x=4.4(246)14x-9x+27=42(247)0.3x-0.3×25=2.4(248)x+90=185(249)90x-41x+1.2=50.2(250)102÷x=17(251)21x+1.5=18.3(252)2(11x-15)=168(253)8.3+x=10.9(254)20x+5×36=260(255)0.8x+3.7=22.9(256)6.2x+1.2=13.6(257)11x+2x-34=122(258)8÷x=2(259)(3x-41)÷43=1(260)0.9x-4.8=2.4(261)4(29x-42)=64(262)66x+71x+2.7=180.8(263)16+x=20(264)0.7x=5.6(265)(2x+44)÷3=34(266)x+53=91(267)52+x=95(268)(1.5x+5.4)÷38=0.3(269)7.9x-4.5=11.3(270)21x-34=134(271)4x-24×2=148(272)6.5+12x=12.5(273)124+96x=316(274)45x-42x-1.3=1.7(275)x-48=28(276)0.6x+1.8×7=24(277)3(0.7x+1)=19.8(278)8.6-17x=1.8(279)(11x-19)÷14=12(280)62x+48x-2.5=162.5(281)4.3x-3.6x=3.5(282)x-31=33(283)52x+54x-0.9=41.5(284)8x+39×0.5=31.5(285)0.9x-1.1×6=11.4(286)2(4x+42)=180(287)0.4x+0.8×19=22(288)0.4x÷62=0.2(289)8x-1.9x-2.8=52.1(290)37x-17x+2.3=52.3(291)(1.4x-7.8)÷30=0.3(292)13.1+1x=21.1(293)0.2x+5.7=21.1(294)8x-4x+2=26(295)19+11x=118(296)1.3+20x=13.3(297)7x-7×0.2=10.5(298)6x=18.6(299)(8x+46)÷30=9(300)3.6x-2.3x+3.5=13.9(301)8x+17x=175(302)7x=35(303)6x+5.9=17.9(304)39x-2.1=17.4(305)3(3x+5)=150(306)3(4x-10)=114(307)x+8.8=11(308)5.9x-5x=12.6(309)19.3-1x=10.3(310)1.5-x=1.3(311)76-x=59(312)x÷3=29(313)7.2+x=12.4(314)7.5x-1.5x=78(315)(1.4x+6.1)÷5=5.7(316)47x-8x-2.9=32.2(317)3x+4.3x-3.8=76.5(318)30x-2.1=6.9(319)97x-68x-4.1=1.7(320)2.7x÷3=4.5(321)7.3x+2.8x+4.5=55(322)10x-15=145(323)9.6+x=11.9(324)x+5.9=10.1(325)0.5x=7(326)86-2x=38(327)(1.5x-3.6)÷6=3.4(328)0.8x÷24=0.6(329)3(4x+0.6)=37.8(330)17+x=92(331)0.8x=17.6(332)3(0.3x+4.1)=34.8(333)13x+3.3=11.1(334)x÷5=2.9(335)7x+2x+43=295(336)x÷2=46(337)18+75x=168(338)17.7-50x=7.7(339)80x-69x-4.9=2.8(340)11x-2x-34=74(341)5x+3.5x=59.5(342)12÷x=0.4(343)85-x=78(344)11x+8x-29=313(345)x÷22=0.8(346)19x-5x-28=56(347)10x+54x-2.3=106.5(348)(2.5x+9.5)÷10=2.2(349)8.4-x=7.6(350)33x-36=162(351)(9x+11)÷16=17(352)3x-22×4=65(353)3x-3×1.6=9.3(354)19x+24x+0.4=116.5(355)x÷8=0.5(356)0.6x=16.2(357)2x÷4=2.1(358)14x-8x=78(359)7.3+0.3x=10.9(360)9.3-x=1.9(361)14.6-25x=7.1(362)10x=8(363)50x+21=121(364)x+4=9.6(365)3(1.2x+4.1)=26.7(366)3.9x+2.3x=155(367)10x+57=87(368)13-0.9x=5.8(369)5.8x-4.1x-2.1=9.8(370)0.2x-4.6=14.4(371)x÷14=1.2(372)15(2.1x-6.6)=27(373)15.7-49x=1(374)15(1.9x-2.1)=25.5(375)195-2x=191(376)2.8x+2.4x-2.8=153.2(377)x+99=187(378)50+x=73(379)2(21x+25)=134(380)74+2x=184(381)5.4x+6.3x=23.4(382)171-4x=11(383)(17x+6)÷3=36(384)37-x=31(385)x+7.2=16.6(386)46x=13.8(387)3(8x+16)=120(388)2(0.7x-3.9)=31.4(389)80-x=30(390)x÷23=7(391)x-68=16(392)20x-19×4=124(393)2.1x+0.3×43=25.5(394)161+3x=344(395)6x+10=34(396)7.1-x=5.3(397)3(5x+9)=192(398)16.3-23x=2.5(399)(9x+9)÷9=8(400)6x-41×0.3=4.5(401)10.2÷x=0.3(402)50-x=32(403)(3.9x+6.6)÷3=12.6(404)6x+18=120(405)7.5+0.5x=14.5(406)39+x=131(407)53x-5.8=4.8(408)3(4.1x+3.6)=47.7(409)8.3x+1x-0.5=18.1(410)16.7-4.4x=7.9(411)15x=3(412)1x÷9=2(413)9.4x=18.8(414)14.5+3.6x=21.7(415)48x+46x-4.8=14(416)x-0.5=6.5(417)30x÷20=0.3(418)(11x-18)÷2=35(419)2x÷33=0.6(420)100÷x=2(421)31x-4×0.3=11.2(422)75÷x=3(423)16.9+0.9x=18.7(424)64x÷6=3.2(425)13.5+15x=24(426)2.3x+1=12.5(427)1.5x+2.4x=144.3(428)19x-13x+14=68(429)11.9÷x=0.7(430)x+63=128(431)171-16x=59(432)2x+9×17=169(433)0.3x÷9=0.6(434)3x÷33=5(435)17x-3x+25=165(436)2(3x+39)=144(437)6(2.5x-5.9)=39.6(438)19x+4=15.4(439)2(2x+11)=154(440)2x+32=220(441)7.8x-6.8x=10(442)x-3.2=5.8(443)8x+4x+43=199(444)18x-8x-2=58(445)17x-15x+24=42(446)2.2x+5x+3.6=39.6(447)5x+3=11.5(448)22x+30×3=288(449)27x-56=79(450)x-1.2=4.6(451)1x÷45=0.4(452)16.3-0.5x=12.8(453)0.2x÷10=1.9(454)(14x-32)÷8=24(455)70-x=35(456)11x-5x-49=35(457)5x=55(458)12.8+2x=17.4(459)5.5-x=5.3(460)3.1-x=1.9(461)72-x=14(462)14.6+8x=30.6(463)3x=6.3(464)16x÷12=4(465)4(5x-14)=144(466)3x-1x+1.1=37.1(467)5x-3x=48(468)6.9+0.9x=10.5(469)10x+16x+6=188(470)(7.5x+3)÷3=31(471)7x-33×5=10(472)(17x-10)÷16=10(473)2.9x+2.2x+3.6=156.6(474)94+x=100(475)19.7-8x=3.7(476)3.9x+9.3x+3.9=30.3(477)1.7x-1.8=3.3(478)11x-4x-38=46(479)11+2x=91(480)3.7x-1x+3.4=57.4(481)15.2÷x=0.8(482)0.8x-2.3=11.3(483)20x-34=66(484)4x-5.6=2.4(485)53x-6x-3.7=38.6(486)x-74=24(487)x-9=64(488)(1.9x+7)÷7=4.8(489)2(2.9x+6.1)=35.4(490)x÷8=0.6(491)0.3x+0.6×19=16.5(492)10.8-1.1x=3.1(493)2.2x+1.2×2=22.2(494)x÷24=5(495)9.8+x=12.7(496)79x-17x+2.3=39.5(497)21x-12×7=21(498)4x-45×0.4=1.2(499)7.3-x=2.7(500)1.2x+3.6x+3.8=75.8(501)(1.9x-7.2)÷8=1(502)38x÷8=19(503)1.9x-1.5=4.2(504)12.2-4x=1(505)(12x-2)÷2=29(506)43x-4x-0.6=57.9(507)5.9x+5.3x-3.9=130.5(508)26+x=45(509)5x=180(510)2(3x+27)=144(511)17x-7x-47=13(512)3(4.2x-5.1)=35.1(513)1.2x+3.9x+1.5=47.4(514)0.7x+3.3×2=12.9(515)58x-51=123(516)7.4x-0.6x+1.4=76.2(517)19x-18×2=40(518)8x+15x+28=304(519)2.4x-0.5x=20.9(520)67-x=61(521)2.4x=16.8(522)16x-7x+3.7=39.7(523)2x-26×2=142(524)2x=48(525)44+x=71(526)38x-28x-1.9=14.1(527)4(2x+37)=180(528)58x+49x+1.4=44.2(529)0.4x=13.6(530)12x+24×0.7=30(531)4x÷12=1.5(532)8+3x=24.5(533)20(2x-26)=200(534)3.4x-0.5x-1.9=64.8(535)22x+40=84(536)18x+2.5=11.5(537)98x-51x+3=35.9(538)(18x-42)÷2=114(539)8.1x-3.1x=10(540)75x-43x+0.6=19.8参考答案(1)x=36(2)x=8(3)x=16(4)x=1.1(5)x=12(6)x=1.6(7)x=10(8)x=11(9)x=25(10)x=9(11)x=19(12)x=16(13)x=35(14)x=0.8(15)x=7(16)x=2.3(17)x=3(18)x=17(19)x=20(20)x=0.8(21)x=10(22)x=19(23)x=0.8(24)x=10(25)x=14(26)x=5(27)x=5(28)x=14(29)x=1.7(30)x=3(31)x=58(32)x=6(33)x=46(34)x=2(35)x=28(36)x=29(37)x=1.1(38)x=19(39)x=1(40)x=13(41)x=2.4(42)x=3(43)x=7(44)x=7(45)x=7.3(46)x=2.2(47)x=2(48)x=1.3(49)x=15(50)x=12(51)x=3(52)x=2(53)x=10(54)x=18.6(55)x=1(56)x=1.2(57)x=20(58)x=36(59)x=2(60)x=3(61)x=3(62)x=4(63)x=63(64)x=12(65)x=9.5(66)x=99(67)x=0.3(68)x=3(69)x=10(70)x=5(71)x=2.4(72)x=6(73)x=11(74)x=0.5(75)x=2(76)x=6(77)x=3(78)x=0.6(79)x=19(80)x=0.9(81)x=73(82)x=3(83)x=26(84)x=28(85)x=1.2(86)x=3(87)x=12(88)x=14(89)x=42(90)x=3(91)x=90(92)x=12(93)x=72(94)x=0.2(95)x=20(96)x=26(97)x=5(98)x=14(99)x=12(100)x=8(101)x=9(102)x=10(103)x=7(104)x=3(105)x=39(106)x=6(107)x=9(108)x=5.5(109)x=13(110)x=6(111)x=2(112)x=41(113)x=3(114)x=2(115)x=25(116)x=5.8(117)x=24(118)x=3(119)x=41(120)x=15(121)x=15(122)x=65(123)x=12(124)x=0.7(125)x=4.5(126)x=1.3(127)x=2(128)x=11(129)x=1.5(130)x=17(131)x=6.3(132)x=1.3(133)x=6.1(134)x=180(135)x=73(136)x=6(137)x=1.2(138)x=10(139)x=3.2(140)x=16(141)x=4.3(142)x=24(143)x=3(144)x=2.2(145)x=3(146)x=4(147)x=2(148)x=3(149)x=10(150)x=2(151)x=0.3(152)x=38(153)x=2(154)x=15(155)x=22(156)x=6(157)x=6(158)x=0.4(159)x=22(160)x=76(161)x=50(162)x=0.5(163)x=81(164)x=3.3(165)x=187(166)x=12(167)x=17(168)x=0.8(169)x=66(170)x=0.2(171)x=2.6(172)x=0.8(173)x=4(174)x=1.9(175)x=36(176)x=0.2(177)x=14(178)x=3(179)x=5.8(180)x=7(181)x=4.4(182)x=4.4(183)x=5(184)x=0.2(185)x=2(186)x=0.5(187)x=7(188)x=12(189)x=13(190)x=11(191)x=4(192)x=15(193)x=3.8(194)x=13(195)x=2(196)x=2.7(197)x=0.5(198)x=3(199)x=57(200)x=2(201)x=23(202)x=6(203)x=26(204)x=3(205)x=5(206)x=72(207)x=12(208)x=1.1(209)x=16(210)x=20(211)x=2.3(212)x=0.8(213)x=5(214)x=1.6(215)x=3(216)x=74(217)x=7(218)x=8(219)x=1.6(220)x=2(221)x=0.3(222)x=17(223)x=0.6(224)x=22(225)x=40(226)x=3.8(227)x=32(228)x=29(229)x=2(230)x=8(231)x=31(232)x=22(233)x=0.9(234)x=1.4(235)x=25(236)x=91(237)x=9(238)x=0.9(239)x=1.4(240)x=29(241)x=10(242)x=5(243)x=13(244)x=14(245)x=2(246)x=3(247)x=33(248)x=95(249)x=1(250)x=6(251)x=0.8(252)x=9(253)x=2.6(254)x=4(255)x=24(256)x=2(257)x=12(258)x=4(259)x=28(260)x=8(261)x=2(262)x=1.3(263)x=4(264)x=8(265)x=29(266)x=38(267)x=43(268)x=4(269)x=2(270)x=8(271)x=49(272)x=0.5(273)x=2(274)x=1(275)x=76(276)x=19(277)x=8(278)x=0.4(279)x=17(280)x=1.5(281)x=5(282)x=64(283)x=0.4(284)x=1.5(285)x=20(286)x=12(287)x=17(288)x=31(289)x=9(290)x=2.5(291)x=12(292)x=8(293)x=77(294)x=6(295)x=9(296)x=0.6(297)x=1.7(298)x=3.1(299)x=28(300)x=8(301)x=7(302)x=5(303)x=2(304)x=0.5(305)x=15(306)x=12(307)x=2.2(308)x=14(309)x=9(310)x=0.2(311)x=17(312)x=87(313)x=5.2(314)x=13(315)x=16(316)x=0.9(317)x=11(318)x=0.3(319)x=0.2(320)x=5(321)x=5(322)x=16(323)x=2.3(324)x=4.2(325)x=14(326)x=24(327)x=16(328)x=18(329)x=3(330)x=75(331)x=22(332)x=25(333)x=0.6(334)x=14.5(335)x=28(336)x=92(337)x=2(338)x=0.2(339)x=0.7(340)x=12(341)x=7(342)x=30(343)x=7(344)x=18(345)x=17.6(346)x=6(347)x=1.7(348)x=5(349)x=0.8(350)x=6(351)x=29(352)x=51(353)x=4.7(354)x=2.7(355)x=4(356)x=27(357)x=4.2(358)x=13(359)x=12(360)x=7.4(361)x=0.3(362)x=0.8(363)x=2(364)x=5.6(365)x=4(366)x=25(367)x=3(368)x=8(369)x=7(370)x=95(371)x=16.8(372)x=4(373)x=0.3(374)x=2(375)x=2(376)x=30(377)x=88(378)x=23(379)x=2(380)x=55(381)x=2(382)x=40(383)x=6(384)x=6(385)x=9.4(386)x=0.3(387)x=3(388)x=28(389)x=50(390)x=161(391)x=84(392)x=10(