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)(3.4x+9.8)÷26=2.6(2)4x-2x=88(3)2.6x-0.8×13=2.6(4)58x=116(5)4.2x+7.8x-1.7=82.3(6)3x+35=140(7)4x-27=89(8)87x-36x-0.2=40.6(9)17x-2×26=16(10)17x=6.8(11)6x-9×17=27(12)x+42=92(13)71-x=20(14)71x+49x-0.4=35.6(15)0.5x=10.5(16)5x+59=74(17)14.9+1.9x=24.4(18)9.9x-1.9x-0.7=55.3(19)3(0.7x+3.6)=36(20)9(3.5x-9.1)=44.1(21)1.3x÷39=0.2(22)9.7-x=8.5(23)66x÷33=0.4(24)9÷x=0.6(25)71x-19x+3.9=35.1(26)32+3x=119(27)76x÷8=1.9(28)3(2.9x-6.2)=7.5(29)x÷6=1.1(30)(9x-33)÷3=31(31)0.3x+1x=74.1(32)19.6-7x=14(33)8.4+6.8x=22(34)x+62=74(35)9x+12x=105(36)(1.8x+4.9)÷5=3.5(37)4x+10x-33=79(38)0.2x+2.1=9.9(39)10(25x-32)=180(40)2.8x-0.4×15=8(41)(1.2x-2.5)÷7=1.7(42)(17x+48)÷4=63(43)4.1x-2.3x-4.1=33.7(44)10x-7x=12(45)11x+5.8=19(46)8.4x-0.2x+0.4=33.2(47)75-x=10(48)3.2x÷48=0.4(49)59-x=55(50)3.4x+9.9x+1.2=81(51)17x-4x=104(52)3(3x-10)=186(53)2x=94(54)18.4-9x=1.3(55)22x+1=5.4(56)10x+34×0.4=27.6(57)9(0.3x-3)=10.8(58)x-6=24(59)141-3x=60(60)0.9x-2.9=12.4(61)18.6÷x=0.2(62)9.7x+2.3=21.7(63)x+1=2.6(64)17x-12x-24=16(65)16.6-0.3x=3.4(66)98x-81x+3.5=12(67)5.9x-3.5x-2.3=7.3(68)5x-2x-11=40(69)7.8÷x=0.3(70)3.5x-5.1=1.9(71)2x-5.3=7.5(72)22(0.8x-7.4)=30.8(73)x÷8=14(74)(15x+37)÷7=31(75)(3x+34)÷49=1(76)89-x=38(77)18.4-4x=17.2(78)13+x=67(79)5.8x+5.6x-1=158.6(80)13(5x-13)=156(81)14x-4x+47=117(82)0.3x÷2=3.9(83)x÷3=27(84)1.4x+0.6×4=20.6(85)x-3=55(86)23x-5x-2.4=37.2(87)18.1-2x=13.7(88)4x+1.2=15.6(89)35x=14(90)13.1+0.3x=23(91)9x+41×2=136(92)39x-20x+2.7=25.5(93)97x-82x-3.2=5.8(94)28x+39=235(95)135+56x=247(96)133-4x=93(97)89-x=16(98)104÷x=26(99)x-5.9=1.9(100)9(7x+8)=198(101)11x-6x=60(102)(7x+21)÷23=7(103)2(10x+32)=124(104)20x+25×0.6=25(105)19.3+0.2x=30.3(106)x+44=122(107)x+4.4=5.3(108)29x+6×22=306(109)5x-2x-11=61(110)4(0.2x-1.7)=4.4(111)8x+14x+11=297(112)17.5+48x=31.9(113)29x-6×7=103(114)x-48=42(115)4.3x=17.2(116)74÷x=37(117)10.9+11x=23(118)13x+19=45(119)4.5x-3.3x+0.2=21.8(120)14.5+0.3x=18.1(121)2.4x=19.2(122)9x+29×0.2=21.1(123)2x+44=64(124)4x+30=162(125)x-34=61(126)4x+2x-22=98(127)89-x=72(128)32x+45=237(129)5.3x+1.9x+2.6=24.2(130)x÷6=0.8(131)0.8x-1.2=11.6(132)18x-5x-23=16(133)3.7x+1.8x-1.5=130.5(134)(3.4x-7.2)÷2=13.4(135)8.4x-6.4x-4.7=7.3(136)6x÷8=1.2(137)180+61x=302(138)11x+10×0.6=15.9(139)171+11x=270(140)5x=4.5(141)8.8+x=16.8(142)11.5-0.5x=8(143)18.9+7.2x=33.3(144)5.5x+4.6x=60.6(145)8.2x+1.8x=60(146)(13x-19)÷9=8(147)4.9x-0.6x=8.6(148)53x-36=123(149)x÷33=4(150)0.2x=3.8(151)157+8x=213(152)1.5x+0.6x-4.9=123.2(153)7x+14x-43=146(154)x÷9=20(155)x-22=60(156)5x-2x=108(157)3x+1.6=20.2(158)6.9x-2.6x+0.7=22.2(159)52-3x=34(160)17-3x=16.4(161)8.6-x=3.7(162)0.9x+0.7×16=21.1(163)8+x=78(164)7x+15x+39=281(165)7.8x+9x+0.5=34.1(166)7-x=5.4(167)8x+23x-1.8=131.5(168)4.5x÷15=0.6(169)4(x-7)=64(170)0.4x+0.7×21=21.9(171)4.3x+2.2=19.4(172)53x+49x+1.2=133.8(173)0.2x-3.3=12.1(174)61+10x=101(175)49x-23×0.3=7.8(176)5.6x+3.3x=71.2(177)1.8x+3×4=26.4(178)61x=18.3(179)53x+93x-1.5=71.5(180)9.1x-5.9x-1.7=11.1(181)3.3x-1.9x=11.2(182)10x=110(183)(2x-44)÷10=1(184)x+74=162(185)50+x=141(186)155÷x=5(187)15.7-3x=4(188)x+4.7=9.5(189)3.2+0.8x=7.2(190)18x+5.9=16.7(191)17x+8x+32=257(192)18.3-0.8x=12.7(193)168÷x=6(194)2+x=7.1(195)4x÷12=0.2(196)2x-11=147(197)15.2+2x=35.2(198)7.9-x=4.2(199)8.9+x=13.5(200)x-21=38(201)8x÷4=3(202)88x-53x+4.8=29.3(203)77x-21x-0.5=10.7(204)2.2x+2.1=13.1(205)7.9-x=3.6(206)x+64=108(207)29x-7x+3.2=71.4(208)28÷x=7(209)87x÷6=29(210)60x+16x+3=25.8(211)4x-3.1×2=9.8(212)9÷x=3(213)1.2x+5.6=23.6(214)6-x=2.6(215)x+2.1=10.9(216)61x=12.2(217)4x+23x+4=103.9(218)11x+8x-3.8=104.5(219)13x+28=106(220)14x-4x-49=41(221)18.4-3x=13.6(222)9x-20=160(223)0.2x=19(224)196÷x=7(225)1.2x-0.6x=23.4(226)4x+0.9×15=21.5(227)5(0.7x+1)=36.5(228)27x÷6=0.9(229)3.2x-3.4×2=6(230)47x+41x+2.6=187.4(231)(5.5x+6.5)÷8=12.5(232)8.5-2.4x=1.3(233)7x-3x-19=41(234)8x-4×30=40(235)6x-3x+33=75(236)3.5x+3x+2.7=15.7(237)1.1x-1.2×3=1.9(238)13x=52(239)(19x-21)÷4=47(240)x-3.2=6.5(241)7.9+x=16(242)x÷22=0.7(243)1.1+x=3.3(244)14x+7x=84(245)(4.7x+1.9)÷12=7.6(246)9(3x-5)=171(247)5(2x+5)=165(248)x+8.3=10.9(249)(7.6x-0.4)÷10=6.8(250)0.9x+2.3×5=14.2(251)5.3-0.2x=4.3(252)2(14x+4)=176(253)65+x=82(254)3+x=72(255)7x-5x+31=75(256)45x-4×1.1=9.1(257)8(0.5x+1.5)=36(258)(x-5)÷2=11(259)13x-2.4=8(260)62+x=142(261)x-0.5=1.1(262)x+4.1=11.6(263)3.5x-0.5×22=6.5(264)15x-19=11(265)x÷71=0.2(266)66x-5.7=7.5(267)40x-8x+3=54.2(268)19x-18×0.3=7.9(269)5x+1.3=3.8(270)16x+3×19=201(271)4.7x+7.8x=150(272)7.5x-5.3x=13.2(273)2.7+x=11.2(274)7.7+29x=25.1(275)(1.2x+9.2)÷2=8.8(276)8x=168(277)x÷15=1(278)92x+5x-4.1=63.8(279)0.5x=12(280)15x÷60=3(281)x-4.7=5.1(282)6(1.7x+0.5)=23.4(283)19x-13×0.9=5.4(284)(9.7x-5.8)÷22=1.5(285)13.9-2.8x=8.3(286)3x=27(287)13.6-1.2x=11.2(288)5.6x-2.3x+3.1=26.2(289)7x+1.1x-1.3=14.9(290)4(6x-13)=188(291)17x+8x+2=152(292)x-3.3=3.5(293)(17x+18)÷9=19(294)7.4x-4.8x=31.2(295)x÷19=5(296)15(1.6x-7.2)=36(297)93x=186(298)x÷4=2.6(299)6.3+x=6.7(300)9+2x=15.8(301)2x+6×33=236(302)27x+3x-4.1=28.9(303)7.4x-4.1x=42.9(304)8.4x-2.2x=37.2(305)15x-11x+47=79(306)10.1+14x=12.9(307)(8.3x+4.2)÷10=5.4(308)x+2.2=10.4(309)(1.8x-6)÷6=0.8(310)84+x=113(311)36x÷8=18(312)6÷x=1.5(313)84-12x=12(314)16.4-11x=3.2(315)8(2x-49)=184(316)0.9x+1.4x-1.3=21.7(317)96-x=21(318)(7x+34)÷36=6(319)16-0.2x=5.2(320)3.7x-0.3×26=7(321)2.6x+2.3x=58.8(322)8.1x+5.9x=112(323)46x-6x-1.4=78.6(324)1.1x-0.9x-2.6=14.4(325)6x+1.4=4.4(326)3x+7.5x+3.1=45.1(327)43x-39x+2.3=4.3(328)8x+25×0.3=9.1(329)13x+5x=126(330)3x-1.2=5.7(331)x÷18=11(332)4(x+9)=72(333)5.4x-3.5x=28.5(334)(3x+4.8)÷3=20.6(335)13.4-5x=2.4(336)33x+83x+2.5=72.1(337)(11x-32)÷2=94(338)2.3x+9.4x-0.5=46.3(339)(5.5x-5.7)÷4=2.7(340)5.5x-0.7x-2.9=64.3(341)2x+11x+23=244(342)0.2x=14.4(343)4.5x+6.5x-2.8=162.2(344)x-15=15(345)1.2x÷5=2.4(346)6(0.9x+1)=27.6(347)5x÷35=4(348)169-3x=109(349)5.1x-2.6x+0.2=10.2(350)23x-5x+0.2=47(351)11x+5x+46=190(352)3x+4.4x+1.5=16.3(353)6(x+20)=132(354)16x-9x+2=86(355)9(3.9x-9.8)=17.1(356)x-2.7=7(357)2x+55×2=130(358)x-58=32(359)0.3x-3.6=16.2(360)158-13x=41(361)6x-3x+38=125(362)6x-4.1=6.1(363)18x-4x-46=108(364)126÷x=3(365)72x+5x+4.6=27.7(366)7x-7×0.8=10.5(367)7x+5x=48(368)166+18x=220(369)3(1.8x+0.9)=18.9(370)12x+3x+9=249(371)2x+53=197(372)6.1x-5.6x-2.4=5.1(373)17.7-0.2x=12.7(374)33x÷99=2(375)2.2+x=12.1(376)2(1.7x+8.6)=41(377)15÷x=0.2(378)4x÷2=3.2(379)5.7x+3.5x=18.4(380)9x+5.3=9.8(381)4x+5x=225(382)9x+10x=228(383)1.8x+1.2x=24(384)9(x+7)=126(385)2x-1.3=5.3(386)7.9-x=2.4(387)5x=17(388)7x+5x-2=34(389)6.4x-4x+2.6=31.4(390)28x-28=56(391)2x+16×0.9=24.2(392)29x+88x-1.6=33.5(393)12.6÷x=0.2(394)82x-17x-2.1=23.9(395)5x+16x=252(396)(2.5x-1)÷5=8.8(397)x+1.5=4.4(398)4.8x-0.7x=53.3(399)40x+7x+2.4=110.5(400)163+96x=355(401)9.7-x=1.7(402)9x-2x+39=158(403)(9x-33)÷3=64(404)2(x-21)=22(405)(14x+49)÷7=35(406)47x-15×0.7=8.3(407)3x+6x=252(408)7x-5x+48=64(409)153-4x=65(410)x÷33=3(411)3(3.9x+7.2)=45(412)14(2.2x-7.8)=44.8(413)12x+11x+15=245(414)62x+53x+2.1=117.1(415)0.2x÷3=3.8(416)1x+1.6=5.6(417)3x-1.1=6.7(418)94+19x=284(419)2x+11x-29=179(420)12x÷15=8(421)x+18=65(422)19x+13x=224(423)7x-31=32(424)0.3x-4.9=13.7(425)6.4x+4.9x+2=126.3(426)2x-7×8=38(427)10x=150(428)16.5÷x=0.5(429)0.2x-1.7=13.5(430)x-3=3.9(431)(6.3x-2.9)÷8=2(432)8.8+x=13.5(433)x+8.2=16.3(434)65x-18x-2.6=63.2(435)4x+2×83=310(436)12x-9×2=162(437)2x+4×1.6=12.2(438)x-9=30(439)13x-5x=72(440)0.7x=1.4(441)17x+27×3=166(442)79x-33x-0.7=22.3(443)0.5x÷15=0.9(444)x÷28=0.3(445)7x-2x+2.1=17.1(446)3x÷72=0.2(447)(11x-22)÷12=11(448)8.8x-4.9x+0.5=16.1(449)0.5x+1x+1.9=75.4(450)2.2x=13.2(451)5x=17.5(452)0.5x+4.4=13.4(453)2x-10×7=86(454)19÷x=1.9(455)15.4+19x=23(456)5x-5×18=45(457)0.4x-0.6×9=8.6(458)5x-2×7=136(459)35+x=81(460)3x+37x-4=64(461)5.4+0.2x=17.8(462)7x+9x-8=200(463)18x-5×0.6=13.2(464)(8.4x-7.4)÷2=42.5(465)0.5x+0.2×44=25.8(466)70-x=30(467)28x-18x-1.4=23.6(468)10.4+6x=21.8(469)x÷40=0.4(470)50x+5x+2.9=79.9(471)8.1x-2.2x+0.2=41.5(472)177-2x=133(473)3(1.2x+4.5)=49.5(474)10x=60(475)58x=17.4(476)80÷x=40(477)0.7x-4.6=12.9(478)8.2-x=6.3(479)3x=1.8(480)10x-2=18(481)9x+19x-14=98(482)x-1.1=5.9(483)17.1÷x=1.9(484)12x-38=34(485)14x+12x-39=117(486)1.9x+4.9=23.9(487)9.4x+3.9x+4.9=71.4(488)16x-3x-27=38(489)5(2x+12)=170(490)(16x+14)÷22=5(491)x+53=69(492)2x+3x-35=25(493)8(5x+5)=120(494)x÷12=12(495)5x-7×0.9=8.7(496)2x-3×0.8=3.4(497)2x-58=18(498)2x+2×40=182(499)5.1x÷6=1.7(500)2x+21x-3.4=3.5(501)4x÷2=44(502)0.3x-4.1×2=5.3(503)(3.6x+9.9)÷3=23.7(504)x÷11=18(505)2(2.7x-7.3)=28.6(506)0.4x+0.4×22=16.4(507)2.4x+0.7×10=14.2(508)2x-4.6=5(509)193-2x=173(510)4x÷11=1.6(511)13x-11x+4=14(512)0.2x+2.5=10.5(513)x+85=123(514)18x-4x=126(515)x÷4=4.3(516)34x÷17=10(517)95x-27x+2=49.6(518)18x-5x=104(519)4x-2x-44=56(520)x+17=32(521)x-2.5=5.8(522)(12x-18)÷6=35(523)31x+38×0.4=30.7(524)(5.8x+0.8)÷28=2.1(525)3(26x-41)=111(526)7x÷5=28(527)(10x+46)÷46=6(528)8x+10x+32=104(529)2x+3.3=7.7(530)84-x=81(531)19x-5x=140(532)17.1+0.7x=22.7(533)10x+47×0.2=28.4(534)13x+17x-32=148(535)3.5x÷14=0.5(536)0.6x-3.6=5.4(537)16x+5×28=284(538)8.8x-7.8x-1=10(539)19.1+49x=33.8(540)70+x=79参考答案(1)x=17(2)x=44(3)x=5(4)x=2(5)x=7(6)x=35(7)x=29(8)x=0.8(9)x=4(10)x=0.4(11)x=30(12)x=50(13)x=51(14)x=0.3(15)x=21(16)x=3(17)x=5(18)x=7(19)x=12(20)x=4(21)x=6(22)x=1.2(23)x=0.2(24)x=15(25)x=0.6(26)x=29(27)x=0.2(28)x=3(29)x=6.6(30)x=14(31)x=57(32)x=0.8(33)x=2(34)x=12(35)x=5(36)x=7(37)x=8(38)x=39(39)x=2(40)x=5(41)x=12(42)x=12(43)x=21(44)x=4(45)x=1.2(46)x=4(47)x=65(48)x=6(49)x=4(50)x=6(51)x=8(52)x=24(53)x=47(54)x=1.9(55)x=0.2(56)x=1.4(57)x=14(58)x=30(59)x=27(60)x=17(61)x=93(62)x=2(63)x=1.6(64)x=8(65)x=44(66)x=0.5(67)x=4(68)x=17(69)x=26(70)x=2(71)x=6.4(72)x=11(73)x=112(74)x=12(75)x=5(76)x=51(77)x=0.3(78)x=54(79)x=14(80)x=5(81)x=7(82)x=26(83)x=81(84)x=13(85)x=58(86)x=2.2(87)x=2.2(88)x=3.6(89)x=0.4(90)x=33(91)x=6(92)x=1.2(93)x=0.6(94)x=7(95)x=2(96)x=10(97)x=73(98)x=4(99)x=7.8(100)x=2(101)x=12(102)x=20(103)x=3(104)x=0.5(105)x=55(106)x=78(107)x=0.9(108)x=6(109)x=24(110)x=14(111)x=13(112)x=0.3(113)x=5(114)x=90(115)x=4(116)x=2(117)x=1.1(118)x=2(119)x=18(120)x=12(121)x=8(122)x=1.7(123)x=10(124)x=33(125)x=95(126)x=20(127)x=17(128)x=6(129)x=3(130)x=4.8(131)x=16(132)x=3(133)x=24(134)x=10(135)x=6(136)x=1.6(137)x=2(138)x=0.9(139)x=9(140)x=0.9(141)x=8(142)x=7(143)x=2(144)x=6(145)x=6(146)x=7(147)x=2(148)x=3(149)x=132(150)x=19(151)x=7(152)x=61(153)x=9(154)x=180(155)x=82(156)x=36(157)x=6.2(158)x=5(159)x=6(160)x=0.2(161)x=4.9(162)x=11(163)x=70(164)x=11(165)x=2(166)x=1.6(167)x=4.3(168)x=2(169)x=23(170)x=18(171)x=4(172)x=1.3(173)x=77(174)x=4(175)x=0.3(176)x=8(177)x=8(178)x=0.3(179)x=0.5(180)x=4(181)x=8(182)x=11(183)x=27(184)x=88(185)x=91(186)x=31(187)x=3.9(188)x=4.8(189)x=5(190)x=0.6(191)x=9(192)x=7(193)x=28(194)x=5.1(195)x=0.6(196)x=79(197)x=10(198)x=3.7(199)x=4.6(200)x=59(201)x=1.5(202)x=0.7(203)x=0.2(204)x=5(205)x=4.3(206)x=44(207)x=3.1(208)x=4(209)x=2(210)x=0.3(211)x=4(212)x=3(213)x=15(214)x=3.4(215)x=8.8(216)x=0.2(217)x=3.7(218)x=5.7(219)x=6(220)x=9(221)x=1.6(222)x=20(223)x=95(224)x=28(225)x=39(226)x=2(227)x=9(228)x=0.2(229)x=4(230)x=2.1(231)x=17(232)x=3(233)x=15(234)x=20(235)x=14(236)x=2(237)x=5(238)x=4(239)x=11(240)x=9.7(241)x=8.1(242)x=15.4(243)x=2.2(244)x=4(245)x=19(246)x=8(247)x=14(248)x=2.6(249)x=9(250)x=3(251)x=5(252)x=6(253)x=17(254)x=69(255)x=22(256)x=0.3(257)x=6(258)x=27(259)x=0.8(260)x=80(261)x=1.6(262)x=7.5(263)x=5(264)x=2(265)x=14.2(266)x=0.2(267)x=1.6(268)x=0.7(269)x=0.5(270)x=9(271)x=12(272)x=6(273)x=8.5(274)x=0.6(275)x=7(276)x=21(277)x=15(278)x=0.7(279)x=24(280)x=12(281)x=9.8(282)x=2(283)x=0.9(284)x=4(285)x=2(286)x=9(287)x=2(288)x=7(289)x=2(290)x=10(291)x=6(292)x=6.8(293)x=9(294)x=12(295)x=95(296)x=6(297)x=2(298)x=10.4(299)x=0.4(300)x=3.4(301)x=19(302)x=1.1(303)x=13(304)x=6(305)x=8(306)x=0.2(307)x=6(308)x=8.2(309)x=6(310)x=29(311)x=4(312)x=4(313)x=6(314)x=1.2(315)x=36(316)x=10(317)x=75(318)x=26(319)x=54(320)x=4(321)x=12(322)x=8(323)x=2(324)x=85(325)x=0.5(326)x=4(327)x=0.5(328)x=0.2(329)x=7(330)x=2.3(331)x=198(332)x=9(333)x=15(334)x=19(335)x=2.2(336)x=0.6(337)x=20(338)x=4(339)x=3(340)x=14(341)x=17(342)x=72(343)x=15(344)x=30(345)x=10(346)x=4(347)x=28(348)x=20(349)x=4(350)x=2.6(351)x=9(352)x=2(353)x=2(354)x=12(355)x=3(356)x=9.7(357)x=10(358)x=90(359)x=66(360)x=9(361)x=29(362)x=1.7(363)x=11(364)x=42(365)x=0.3(366)x=2.3(367)x=4(368)x=3(369)x=3(370)x=16(371)x=72(372)x=15(373)x=25(374)x=6(375)x=9.9(376)x=7(377)x=75(378)x=1.6(379)x=2(380)x=0.5(381)x=25(382)x=12(383)x=8(384)x=7(385)x=3.3(386)x=5.5(387)x=3.4(388)x=3(389)x=12(390)x=3(391)x=4.9(392)x=0.3(393)x=63(394)