五年級數(shù)學(xué)(方程)習(xí)題及答案匯編

五年級數(shù)學(xué)(方程)習(xí)題及答案匯編(1)7.5x-5.3x-3.4=5.4(2)11x+53=108(3)27x+88x+1.2=104.7(4)1.5x+8.6x=90.9(5)14.7-3x=9.6(6)0.2x÷24=0.4(7)1.8x+7.4x-1.8=99.4(8)35x+57x+1.5=38.3(9)36x-16x+3.9=9.9(10)9x+9×1.5=31.5(11)5.4+x=10.3(12)20x+4×31=164(13)(x+6.5)÷21=0.5(14)2.7x+4.3x=21(15)x+22=109(16)8.4x+4.5=21.3(17)x-3.8=6.1(18)31x+11x-3.4=105.8(19)20x-48=152(20)0.3x-5.3=13.9(21)54x=162(22)6.4x-1.1x-0.2=10.4(23)4x+10×0.5=10.6(24)15x-34=101(25)30x-47=103(26)9x+15x=120(27)5x-3x=46(28)0.5x+1.9=18.9(29)1.8x+5.5x=43.8(30)3.2x+3.6=13.2(31)66x÷11=12(32)(5x-30)÷6=5(33)x+37=91(34)1.7x-0.5x=26.4(35)6.3x=12.6(36)x-3.2=5.3(37)(10x+11)÷3=47(38)2(1.2x-7)=12.4(39)x-46=51(40)73x-9x-3.3=9.5(41)4x+43=199(42)9.4x-8.5x+4.4=6.2(43)12.1+1.2x=19.3(44)6.5x+5.4x-4.5=114.5(45)0.4x+2.1×2=18.2(46)12.6-12x=5.4(47)24x=144(48)13-0.4x=3.8(49)x+82=85(50)19x-9x+3=73(51)x÷17=8(52)x+6.3=10.5(53)38x-10x+4.6=74.6(54)2(3x+10)=176(55)13x-2x+7=62(56)9.4-x=3.1(57)9.7x-6.6x=27.9(58)119-2x=35(59)7.3x-3.1x+0.3=38.1(60)25x+28x+1.8=60.1(61)(6x-28)÷2=55(62)14x+9×0.4=12(63)18x-14x+6=50(64)33x+72x-3.6=122.4(65)80-x=77(66)11x+2x+48=282(67)x÷5=19(68)4x+2.3=15.1(69)(5.2x-9.8)÷37=1(70)54x+1.6=12.4(71)28+4x=160(72)1.7x+8.6x=30.9(73)16x+2x-11=133(74)x÷66=3(75)x-5.7=3.6(76)6.9-2x=1.1(77)32x+50x-3.8=29(78)5x+2x=231(79)57x-46x+2.1=16.4(80)0.8x=11.2(81)11.5+45x=20.5(82)47x+26x-1.4=86.2(83)2(0.4x+8.9)=26.6(84)7x-3x-41=27(85)2.5x-2.1x=4.4(86)x+56=77(87)2(17x-23)=90(88)4x-21×0.7=2.5(89)(15x+35)÷16=5(90)x÷46=2(91)(10x+42)÷11=22(92)15x+17x=96(93)0.3x-2.6=3.4(94)4x+65×2=210(95)7.2x-2.1x=61.2(96)(1.2x-0.5)÷31=0.1(97)1.1x+5=20.4(98)15+6.1x=33.3(99)14.5-3x=7.9(100)1.5x-4.5=1.5(101)x÷32=0.3(102)34-x=30(103)10.5-9x=2.4(104)20x-29=51(105)27(1.7x-7.3)=32.4(106)11x-3x-19=61(107)2x+5.2x+2.4=16.8(108)50÷x=25(109)12x-2x-25=75(110)36x-17x-1.3=32.9(111)3x+8x-35=185(112)2(3.6x+2.4)=26.4(113)35x-3.9=10.1(114)14.1+0.3x=16.5(115)18x-16x=16(116)3(x-2)=69(117)8x-2x=66(118)3.5x÷28=0.5(119)15x-7x+43=147(120)14x-12x+15=33(121)(6.6x-7.2)÷2=36(122)(3.6x-2.4)÷3=2.8(123)5(x+15)=150(124)4x-17=63(125)x÷2=0.7(126)5.5x+4.8x-4.1=26.8(127)1.4x-0.2×15=6.8(128)6-x=3.6(129)x+20=61(130)129÷x=43(131)8x-52=68(132)6x÷63=2(133)3(5x+2)=171(134)19.1+28x=24.7(135)7x+8x=360(136)4(0.3x+1.3)=30.4(137)44÷x=11(138)2.2x+7.5x+1.6=40.4(139)89x=178(140)4.7-x=4(141)92-x=39(142)2.3x-1.3x+1.6=25.6(143)17.6-0.7x=1.5(144)1.2x÷2=3(145)9x-3x=24(146)162÷x=6(147)4(x-4.7)=9.2(148)12x+15=51(149)8x=192(150)12x-11×6=42(151)92+9x=200(152)19x-15×2=122(153)6.1x-2.5x=43.2(154)11x=15.4(155)14.4-0.2x=13.2(156)7x+95x+1.6=62.8(157)1.4x+1.2×4=9(158)6.9x+4.1x+4.3=136.3(159)5x-5=13(160)6x÷16=0.9(161)2x+4.4=11.6(162)8x÷4=14(163)2x+7x-4=167(164)15x+10x+27=152(165)(18x-2)÷4=22(166)x-51=30(167)2x+10x=192(168)4.1+x=12.9(169)16.1+70x=30.1(170)12x-6x=90(171)29x+1.3=12.9(172)0.2x+4.4×4=18.2(173)72x÷48=3(174)2x+16x-1.1=29.5(175)(12x+2)÷7=14(176)(1.3x-2.7)÷3=1.7(177)63x÷18=0.7(178)4x-48×0.2=2.4(179)x-67=30(180)15.6+0.5x=35.6(181)14x+30×5=318(182)x+3.5=9.6(183)1.8x+0.3x+3=49.2(184)1.6x÷8=0.6(185)8.4+x=8.7(186)4.4x+0.3x=75.2(187)0.2x+1.3=17.7(188)x-0.7=7.7(189)x+2.1=4.8(190)x-2=3.7(191)3x+2×84=240(192)9.6-x=1(193)2x+2×90=186(194)5.6x-4x-2.6=24.6(195)91x+35x-3.2=85(196)5x-18×0.4=6.3(197)26x+60x+0.7=26.5(198)7x+5.6=9.1(199)17x+13x-19=71(200)(7x-21)÷7=17(201)(8.2x-3.8)÷2=6.3(202)x÷4=3.4(203)(2.3x-0.3)÷15=0.9(204)3(0.9x+9)=48.6(205)97x-21x+1=77(206)x÷23=0.8(207)11x-7x-22=18(208)6.5x+4.5=17.5(209)38x+3.4=14.8(210)x-34=53(211)x+34=64(212)97x+42x-4.7=106.5(213)27x+10×1.1=27.2(214)14.8+12x=30.4(215)15x-2x+7=163(216)x-4.3=3.2(217)0.2x+5.9=22.3(218)14x-11x+12=27(219)12x+56x+1.5=35.5(220)x-46=49(221)56x-41=71(222)6+x=55(223)(9.9x+4.5)÷9=9.3(224)6.1-x=4.3(225)x-2.6=4.4(226)5x-5×25=15(227)12(1.5x-8)=12(228)12x-8x-11=17(229)10(x-31)=150(230)1.6x+1.4x=60(231)6.6÷x=3.3(232)54x+1=11.8(233)2.3+10x=13.3(234)0.2x÷4=3.6(235)2.3x=16.1(236)6x+3×4.5=26.7(237)3x-5×7=28(238)6.2x-4.8x+4.1=23.7(239)2(3x+20)=154(240)2x-1.6=4.4(241)195÷x=13(242)58+14x=198(243)3(10x+12)=126(244)21x+48×0.4=36(245)4x+3=14.2(246)x-3.1=4.4(247)2x÷14=1.1(248)76-x=66(249)38x+19=209(250)6.8x-1.9x-3.4=50.5(251)20(26x-42)=200(252)7.5+14x=11.7(253)x÷16=0.9(254)1.9x+6.8x=43.5(255)6x+19x=200(256)1x÷35=0.2(257)18.6-0.3x=9.6(258)3.8x-2.2×2=3.2(259)2(6x+7)=38(260)0.8x=18.4(261)5(4x-48)=200(262)2(3x-34)=118(263)1.3x-2.9×5=3.7(264)50+x=111(265)4.3x-2.8x-2.3=11.2(266)3(x+12)=156(267)2.2x-1.4x-1.3=24.3(268)114-14x=44(269)46x+14=106(270)25x-5x+2.5=16.5(271)84x-60x-4.3=19.7(272)2x-5×3=71(273)98-22x=10(274)8.3-x=5(275)5.3x-2.8x-2.4=22.6(276)55x-35x+4.2=28.2(277)73+6x=235(278)1.2+x=4.4(279)85+x=98(280)11x+18×7=302(281)91x=182(282)3(12x-43)=87(283)8.7+15x=23.7(284)14x=7(285)8.3+x=9.6(286)x÷15=12(287)x-72=26(288)6.6x-2.4x=63(289)56-x=10(290)17.4÷x=0.2(291)x-1.2=8.6(292)x÷36=0.5(293)8.1+2x=27.7(294)0.8x-2.1×2=3(295)4x+20=156(296)(9x-2)÷7=28(297)151+3x=325(298)3.1x+3.8x=82.8(299)6x-1.3x+1.8=44.1(300)18.7÷x=1.1(301)x-7=76(302)x+65=75(303)0.7x+0.8x-1.9=19.1(304)12x÷36=0.2(305)(4.3x-3.7)÷6=8.7(306)2x+6×1.9=12(307)2x+8×2.3=20.8(308)(3x+2)÷41=1(309)5x-5.6=12.9(310)4x÷76=2(311)x÷6=4(312)17x+14x=155(313)x+1.9=8.5(314)15.4-3x=1(315)0.9x+0.8x+3.2=123.9(316)7x=14.7(317)154-38x=40(318)(6.6x+6.7)÷5=11.9(319)7.9+3.8x=23.1(320)12.3÷x=0.3(321)5.6x+6.1x-0.8=92.8(322)(9x-39)÷3=38(323)11x-2.1=16.6(324)12x-7x-12=68(325)0.6x+3.9×3=28.5(326)2x-2.1=2.3(327)55x-10x+0.9=32.4(328)8.3-x=6.9(329)5x÷10=0.9(330)164-43x=78(331)1.9x+2.5x=79.2(332)(13x-10)÷10=12(333)84-17x=16(334)8.1+x=11.4(335)14x+8x-42=156(336)2x+55×2=154(337)12x-7x+48=73(338)0.3x-0.6×11=6(339)8.8÷x=0.2(340)73+x=83(341)0.4x+0.9×17=16.5(342)15x-7×0.3=17.4(343)8x-5x=36(344)9.4x-2.1x+4.3=70(345)20x-3.4=2.6(346)12.1+3.8x=27.3(347)4(0.9x+1.5)=45.6(348)11x+4x+7=247(349)89+x=99(350)5x+58=228(351)2x÷10=13(352)66÷x=2(353)160÷x=8(354)10x+3.7=11.7(355)18.9-9x=2.7(356)17.2-0.8x=9.2(357)5x+10x+24=54(358)27+x=85(359)6x-2x-21=19(360)7x÷4=14(361)3x=192(362)2(10x+5)=150(363)28x-9x-1.6=6(364)7x+6x=143(365)3.6x÷3=2.4(366)83-2x=33(367)43x-36=136(368)0.3x÷13=0.9(369)9.9-x=4.6(370)13.7-0.3x=6.2(371)4.3x+0.7x+3=63(372)6(x-15)=138(373)x+7.3=9.5(374)7x÷49=0.2(375)9.2+x=9.7(376)67-x=31(377)3(x+4.1)=18.3(378)13x=15.6(379)59x-38x-3.9=10.8(380)x÷20=0.4(381)38x+27=217(382)67+x=153(383)66x-56x-0.4=9.6(384)62x=18.6(385)8.9+x=16.1(386)4.2x+1.5=18.3(387)9.1x-6.2x=14.5(388)76-x=43(389)6.4x+2.6x-1.5=61.5(390)12x-2x=80(391)58÷x=29(392)27x-47=142(393)14÷x=2(394)6x+8×1.1=20.8(395)12x+5x-13=106(396)2x+12x=98(397)1x-0.2×43=9.4(398)2.7+x=11.1(399)17x+83x-2.5=47.5(400)52x-5x+2.8=16.9(401)19.8÷x=0.6(402)9x-8.2x=8(403)4x÷8=2.2(404)154-2x=140(405)17.1-1.2x=13.5(406)22x=13.2(407)50x÷10=15(408)30x+55x+3.9=122.9(409)46x-1.4=12.4(410)13x-2×36=110(411)(15x-35)÷38=5(412)41x=123(413)21x-6×0.3=10.8(414)0.3x=4.2(415)61+x=131(416)3.2x+2.3=15.1(417)x+0.8=5.4(418)64x-54x+3.8=10.8(419)(2x+4)÷2=17(420)63x-1.7=10.9(421)9x+16x-5=245(422)14.1÷x=0.3(423)0.3x+5.5x+2.2=77.6(424)x+92=176(425)x-53=10(426)2x-4×14=96(427)0.5x+0.5×38=35(428)x+1.6=9.3(429)3.2+0.7x=12.3(430)6x+26×7=380(431)84x÷56=0.3(432)1.5x÷9=2(433)2.6x-4.1×2=4.8(434)x-26=33(435)32x-2x-0.3=47.7(436)5.7x-1.9=15.2(437)8.4x+6x-3.8=125.8(438)35+16x=211(439)4.6x=13.8(440)6x-5.3=3.1(441)10x+15x+35=235(442)1.2x+0.9x-4=126.2(443)110+93x=296(444)(0.5x+5.2)÷2=6.1(445)2(9.2x-2.8)=31.2(446)3.7+76x=18.9(447)x÷4=29(448)6.1x-2.4x-4.2=21.7(449)2x-0.2×15=13(450)x÷21=0.9(451)35x=175(452)44-x=11(453)x+3.6=8.8(454)6x+78×2=318(455)2.2x-5.3=5.7(456)6.6x+3.4x+4.1=144.1(457)6x-38×0.2=3.8(458)(5x+8)÷19=7(459)3(3x-26)=174(460)18x+2x-0.4=85.6(461)4.6x-0.2x+3.7=91.7(462)13.1-2x=6.7(463)(7.1x+2.9)÷2=26.3(464)8(0.4x-3.8)=8(465)13x+5x+22=58(466)2(15x+40)=170(467)3x-6×0.4=5.4(468)4x+14x+23=221(469)6x-4x=34(470)2.4x-2.6=11.8(471)(3x+0.4)÷26=1.4(472)3.6-7x=2.2(473)58-x=41(474)2.8x-4.1=15.5(475)2.7+0.6x=15.3(476)7.5x-2.3x+3.8=50.6(477)11x=154(478)3(0.4x+8.9)=44.7(479)(2.4x-8)÷32=1.1(480)x÷6=14(481)3.6x-4.7=9.7(482)52x+46=202(483)30x-2×0.8=13.4(484)x÷10=1.3(485)78+x=97(486)6x-3x-20=61(487)18.5-0.4x=15.7(488)8.4x-5.3x+1.4=29.3(489)61x+29x+2.6=119.6(490)4x-43×2=58(491)2.6÷x=0.2(492)0.2x+2.3×5=20.9(493)0.9x+2.6x-0.7=125.3(494)(5x-6)÷2=42(495)9x-35×0.2=7.4(496)13.6÷x=0.8(497)x+75=140(498)2.6x-0.8x=48.6(499)(2x+38)÷43=2(500)2.5x+0.3x+1.1=15.1(501)0.5x=6(502)x÷2=48(503)(3x+25)÷2=44(504)0.6x+4.6×4=28(505)16x-11x+13=48(506)13.8+0.2x=31(507)9.9-x=2.1(508)3x=19.2(509)2x÷22=0.4(510)16(0.9x-1.5)=19.2(511)4(0.2x+0.7)=20.4(512)88+48x=280(513)23(0.2x+0.2)=46(514)(x+4)÷32=0.5(515)4.3x-3x-3.3=9.7(516)1.9x+1.4×13=37.2(517)x+9.7=17.9(518)41x-28x-2.6=20.8(519)19(0.5x-4)=38(520)14x-8x-11=61(521)2(3.3x-4.5)=37.2(522)15x+17x-8=88(523)(3.7x+7.4)÷6=3.7(524)2.4x-1.8×3=1.8(525)25x-9x-1.3=54.7(526)(6.4x+5.4)÷14=1.3(527)7x-2×53=41(528)42x=8.4(529)6x-3x=42(530)10x+15x+21=121(531)9x+8x-46=260(532)19x+16x+32=277(533)1x=5(534)0.9x=5.4(535)59x=11.8(536)134+11x=266(537)71x+31x+2.7=74.1(538)3x÷16=12(539)181-15x=91(540)11.9-0.5x=9.4參考答案(1)x=4(2)x=5(3)x=0.9(4)x=9(5)x=1.7(6)x=48(7)x=11(8)x=0.4(9)x=0.3(10)x=2(11)x=4.9(12)x=2(13)x=4(14)x=3(15)x=87(16)x=2(17)x=9.9(18)x=2.6(19)x=10(20)x=64(21)x=3(22)x=2(23)x=1.4(24)x=9(25)x=5(26)x=5(27)x=23(28)x=34(29)x=6(30)x=3(31)x=2(32)x=12(33)x=54(34)x=22(35)x=2(36)x=8.5(37)x=13(38)x=11(39)x=97(40)x=0.2(41)x=39(42)x=2(43)x=6(44)x=10(45)x=35(46)x=0.6(47)x=6(48)x=23(49)x=3(50)x=7(51)x=136(52)x=4.2(53)x=2.5(54)x=26(55)x=5(56)x=6.3(57)x=9(58)x=42(59)x=9(60)x=1.1(61)x=23(62)x=0.6(63)x=11(64)x=1.2(65)x=3(66)x=18(67)x=95(68)x=3.2(69)x=9(70)x=0.2(71)x=33(72)x=3(73)x=8(74)x=198(75)x=9.3(76)x=2.9(77)x=0.4(78)x=33(79)x=1.3(80)x=14(81)x=0.2(82)x=1.2(83)x=11(84)x=17(85)x=11(86)x=21(87)x=4(88)x=4.3(89)x=3(90)x=92(91)x=20(92)x=3(93)x=20(94)x=20(95)x=12(96)x=3(97)x=14(98)x=3(99)x=2.2(100)x=4(101)x=9.6(102)x=4(103)x=0.9(104)x=4(105)x=5(106)x=10(107)x=2(108)x=2(109)x=10(110)x=1.8(111)x=20(112)x=3(113)x=0.4(114)x=8(115)x=8(116)x=25(117)x=11(118)x=4(119)x=13(120)x=9(121)x=12(122)x=3(123)x=15(124)x=20(125)x=1.4(126)x=3(127)x=7(128)x=2.4(129)x=41(130)x=3(131)x=15(132)x=21(133)x=11(134)x=0.2(135)x=24(136)x=21(137)x=4(138)x=4(139)x=2(140)x=0.7(141)x=53(142)x=24(143)x=23(144)x=5(145)x=4(146)x=27(147)x=7(148)x=3(149)x=24(150)x=9(151)x=12(152)x=8(153)x=12(154)x=1.4(155)x=6(156)x=0.6(157)x=3(158)x=12(159)x=3.6(160)x=2.4(161)x=3.6(162)x=7(163)x=19(164)x=5(165)x=5(166)x=81(167)x=16(168)x=8.8(169)x=0.2(170)x=15(171)x=0.4(172)x=3(173)x=2(174)x=1.7(175)x=8(176)x=6(177)x=0.2(178)x=3(179)x=97(180)x=40(181)x=12(182)x=6.1(183)x=22(184)x=3(185)x=0.3(186)x=16(187)x=82(188)x=8.4(189)x=2.7(190)x=5.7(191)x=24(192)x=8.6(193)x=3(194)x=17(195)x=0.7(196)x=2.7(197)x=0.3(198)x=0.5(199)x=3(200)x=20(201)x=2(202)x=13.6(203)x=6(204)x=8(205)x=1(206)x=18.4(207)x=10(208)x=2(209)x=0.3(210)x=87(211)x=30(212)x=0.8(213)x=0.6(214)x=1.3(215)x=12(216)x=7.5(217)x=82(218)x=5(219)x=0.5(220)x=95(221)x=2(222)x=49(223)x=8(224)x=1.8(225)x=7(226)x=28(227)x=6(228)x=7(229)x=46(230)x=20(231)x=2(232)x=0.2(233)x=1.1(234)x=72(235)x=7(236)x=2.2(237)x=21(238)x=14(239)x=19(240)x=3(241)x=15(242)x=10(243)x=3(244)x=0.8(245)x=2.8(246)x=7.5(247)x=7.7(248)x=10(249)x=5(250)x=11(251)x=2(252)x=0.3(253)x=14.4(254)x=5(255)x=8(256)x=7(257)x=30(258)x=2(259)x=2(260)x=23(261)x=22(262)x=31(263)x=14(264)x=61(265)x=9(266)x=40(267)x=32(268)x=5(269)x=2(270)x=0.7(271)x=1(272)x=43(273)x=4(274)x=3.3(275)x=10(276)x=1.2(277)x=27(278)x=3.2(279)x=13(280)x=16(281)x=2(282)x=6(283)x=1(284)x=0.5(285)x=1.3(286)x=180(287)x=98(288)x=15(289)x=46(290)x=87(291)x=9.8(292)x=18(293)x=9.8(294)x=9(295)x=34(296)x=22(297)x=58(298)x=12(299)x=9(300)x=17(301)x=83(302)x=10(303)x=14(304)x=0.6(305)x=13(306)x=0.3(307)x=1.2(308)x=13(309)x=3.7(310)x=38(311)x=24(312)x=5(313)x=6.6(314)x=4.8(315)x=71(316)x=2.1(317)x=3(318)x=8(319)x=4(320)x=41(321)x=8(322)x=17(323)x=1.7(324)x=16(325)x=28(326)x=2.2(327)x=0.7(328)x=1.4(329)x=1.8(330)x=2(331)x=18(332)x=10(333)x=4(334)x=3.3(335)x=9(336)x=22(337)x=5(338)x=42(339)x=44(340)x=10(341)x=3(342)x=1.3(343)x=12(344)x=9(345)x=0.3(346)x=4(347)x=11(348)x=16(349)x=10(350)x=34(351)x=65(352)x=33(353)x=20(354)x=0.8(355)x=1.8(356)x=10(357)x=2(358)x=58(359)x=10(360)x=8(361)x=64(362)x=7(363)x=0.4(364)x=11(365)x=2(366)x=25(367)x=4(368)x=39(369)x=5.3(370)x=25(371)x=12(372)x=38(373)x=2.2(374)x=1.4(375)x=0.5(376)x=36(377)x=2(378)x=1.2(379)x=0.7(380)x=8(381)x=5(382)x=86(383)x=1(384)x=0.3(385)x=7.2(386)x=4(387)x=5(388)x=33(389)x=7(390)x=8(391)x=2(392)x=7(393)x=7(