五年級數(shù)學(方程)習題及答案匯編

五年級數(shù)學(方程)習題及答案匯編(1)(10x-26)÷4=56(2)8x=15.2(3)8(3x+2)=160(4)2x-0.3×33=2.1(5)14.7-15x=4.2(6)17x-15x=16(7)(6.6x-7.2)÷2=42.6(8)5x+6x=341(9)172+6x=208(10)19x-9x+38=138(11)2.3x-1.4x=11.7(12)9(23x-27)=171(13)74+x=83(14)2x-28=74(15)10x+8×2.4=37.2(16)171-12x=75(17)3x=15(18)10.9-24x=6.1(19)x÷4=3.2(20)3.2x=12.8(21)4x+49=249(22)5x-4=14(23)0.2x-3.4=10.6(24)2.8x+4x+2=144.8(25)38x+42x+1.5=177.5(26)6x-19=101(27)5.8-x=5.6(28)13x+4.2=18.5(29)2x÷16=7(30)(19x+13)÷37=6(31)(7.3x-8.1)÷6=2.3(32)3.5x-1.6x-0.3=45.3(33)8.1x+3x-1.3=43.1(34)x÷6=25(35)82+x=93(36)4(x-16)=72(37)(14x+46)÷16=9(38)4x-16×0.2=2.4(39)55-x=10(40)16x+5x+17=164(41)8.2x+5x-3.5=22.9(42)28x+2.7=8.3(43)6.5x-2x+0.8=9.8(44)x-11=29(45)0.2x=6(46)30x-23=157(47)1.1+5x=12.1(48)0.9x+3.7×2=18.2(49)x-44=18(50)31x-10x+2.1=29.4(51)9x÷8=1.8(52)(5.5x-4.6)÷7=1.7(53)18x+2x+16=216(54)3.7x=11.1(55)10x-6x-9=39(56)19x-8x=44(57)189÷x=3(58)x+39=108(59)192÷x=6(60)1.5x-2.4×2=7.2(61)6.6x+5.7x-4.2=180.3(62)5x÷10=1.4(63)9x÷54=2(64)0.7x-3.8=15.8(65)9.3x-3.9x=21.6(66)89x-54x-3.4=3.6(67)0.4x=8.4(68)49x-13x-4.7=2.5(69)4.9x-2.7x-2.1=37.5(70)33x-52=113(71)x÷28=2(72)x+5.7=9.3(73)x-43=12(74)2x+6x-20=212(75)1.9x-1.3×8=4.8(76)3(0.4x-7.4)=19.8(77)4.3+x=11.7(78)0.6x+4.9=14.5(79)168÷x=3(80)x÷8=11(81)3.2x+7.4x=116.6(82)x+13=71(83)(8.5x+4)÷39=2.5(84)9.6x-4.7x+3.6=42.8(85)(8.9x-3.6)÷9=8.5(86)5.8÷x=2.9(87)x+39=96(88)8.3-x=7.5(89)12(2.2x-3.2)=14.4(90)11x+3×4.8=25.4(91)12x+10x+27=115(92)4.3x-0.3x=72(93)8x+7x-4=26(94)70+2x=266(95)43x+53x+2.9=31.7(96)6x÷3=46(97)5+5.1x=15.2(98)14x+37x+2.2=17.5(99)12x-43=17(100)0.9x-0.7x+3.7=20.1(101)71-x=51(102)1.7x-5.3=13.4(103)13.7-1.4x=1.1(104)x÷9=15(105)0.3x=9.6(106)10x+8x+34=250(107)2x+27×2=186(108)89-3x=44(109)23x+5.9=24.3(110)3x+3×65=222(111)3x+17x-46=134(112)6.6x+2.8x+3.6=107(113)3x-46=143(114)x+10=80(115)2(1.3x+6)=35.4(116)0.8x+0.2×4=8(117)5x+7x-36=288(118)2(0.4x-3.6)=16.8(119)10x-6x=64(120)9.8x+3.6x+2.8=136.8(121)4.8x-0.3x=67.5(122)17.3-5.4x=6.5(123)3x-3×44=39(124)9.2-x=3.6(125)4.2+0.3x=7.2(126)7.3x-3.3x+2.6=34.6(127)(3.1x+7.9)÷21=2(128)173-3x=14(129)24x÷12=0.8(130)4.3x+0.2×46=22.1(131)x÷7=9(132)2.1+0.5x=6.6(133)72x+41x-4.9=108.1(134)37x+26=211(135)3(9x-15)=198(136)46x+42=180(137)2.5x-5.7=9.3(138)8÷x=0.8(139)16x÷4=24(140)3.9x-2.2x=34(141)75-x=17(142)63x-48x+2=8(143)56x-1.9=14.9(144)x-42=34(145)176÷x=2(146)14.7-33x=1.5(147)4.1x-1.3×5=5.8(148)2.3x+2.7=16.5(149)2x+62×2=188(150)18.8+0.2x=36.6(151)3x-2×0.7=7(152)2x÷15=0.4(153)2x+39=187(154)x÷27=7(155)3.7x+5.3=12.7(156)81x+90x+4.8=73.2(157)(10x-36)÷4=41(158)4x+2×3=8.4(159)3.7+x=12.8(160)16x-7x=27(161)6x-3x=60(162)10x+6×2.8=22.8(163)(7.9x-6.1)÷4=4.4(164)0.2x+3×6=27.8(165)19x+2×87=288(166)165-72x=21(167)44x+70x+3.3=162.9(168)27x-4.3=1.1(169)8.4-x=4.2(170)6.8x-6.6x=1(171)17+2x=25.4(172)33+16x=97(173)14.4÷x=0.6(174)(17x+41)÷40=4(175)107+61x=229(176)0.5x+5.9=24.9(177)8x-44×0.3=2.8(178)3.5-x=1(179)2.3x-1.1x-3.3=39.9(180)18.7-0.2x=11.3(181)2x-32×3=102(182)4x÷12=3(183)182÷x=14(184)0.8x÷6=1.2(185)67x-27x-1.7=54.3(186)22x÷66=0.2(187)1.4x-0.2×22=2.6(188)13x=13(189)10x-4x-40=68(190)7x+0.6x+3.1=18.3(191)8x+23×2=134(192)190-11x=146(193)x-4.6=5.3(194)(8x-3)÷13=9(195)2x-7×5=69(196)x+30=102(197)6x+1.9x=71.1(198)13x+11x+38=86(199)17.5÷x=0.7(200)3x=78(201)2(3x+3)=174(202)161÷x=23(203)8.5x+4.8x+4.9=84.7(204)5.1x+3.8x=44.5(205)0.3x-5.6=5.5(206)5.8x+9.8x=62.4(207)48+x=75(208)3(3x+20)=177(209)1.6÷x=0.4(210)9.3-x=5.9(211)1.9x+5.3=18.6(212)2x-5×28=36(213)5x-2x=63(214)14.2+25x=21.7(215)(11x+22)÷3=66(216)1.1x=5.5(217)9x+2x-2=141(218)x-1.4=3.1(219)2x-4×6=54(220)3(3x-46)=195(221)39x-1=14.6(222)10.1-0.4x=4.5(223)0.9x-0.7x+4.3=10.1(224)1.1x-0.6×7=12.3(225)7x=133(226)12x+3.1=12.7(227)10(3.4x-9.6)=40(228)(2.8x-4.8)÷30=0.4(229)(9.2x+6)÷28=3.5(230)47x+61x-2.2=73.4(231)x+5=44(232)33x+16=115(233)41x=164(234)73x-2.7=11.9(235)0.7x+2.1×5=23.1(236)44x÷11=16(237)8x-6x+39=65(238)9.9x-5.2x=32.9(239)28+x=62(240)1.5x÷39=0.5(241)2(0.7x+1)=17.4(242)2x-20×4=104(243)7x+2×29=128(244)3(3x-31)=96(245)7x+3×31=149(246)11x-8x+14=26(247)7x+2×76=334(248)14(1.5x-6.3)=16.8(249)10x+9x-3.9=68.3(250)(4x-10)÷3=14(251)8x+5x=182(252)26x+18x+1.9=67.9(253)3.9x-0.2x+0.6=33.9(254)80-x=61(255)x-22=46(256)2x-2.9=1.1(257)3x+42=63(258)1.9x-0.6x-1=58.8(259)0.7x+4.7×2=29(260)4.8x+7.3x-2.4=33.9(261)1.2x÷8=2.1(262)2x÷5=16(263)8+5x=16.5(264)4(0.4x+3.2)=22.4(265)9x-3x+19=151(266)55x-2x-4.6=48.4(267)3.6x-0.5x-4.7=35.6(268)89x-35x+1.8=50.4(269)x+8.5=12.1(270)89+16x=137(271)x÷35=0.3(272)11.4÷x=0.3(273)(3.3x+6.2)÷23=0.7(274)x+0.3=4.6(275)2x+5.6=13.2(276)2x=3.4(277)5.6+0.2x=15.6(278)99-x=50(279)5.4+6x=24.6(280)2x+10x=156(281)14x-7x-11=31(282)1x-0.9×15=5.5(283)(3.1x+6.6)÷3=8.4(284)1.3x+2.3x-4.6=85.4(285)(2x+30)÷20=4(286)9.8x+9.7x=175.5(287)4.8x÷32=0.6(288)x÷5=1(289)7.2÷x=2.4(290)18x-13x+11=46(291)37x-23x+4.7=41.1(292)x-1.5=5.8(293)x-6.5=1.9(294)14.9+0.8x=31.7(295)x+2.5=5.9(296)32x+3.2=12.8(297)189+25x=239(298)(x+9)÷19=2(299)(4x+27)÷3=33(300)x-3.1=1.1(301)17x-14x=30(302)2x-12×3=106(303)x÷97=2(304)27x-2x-0.7=91.8(305)11x+7x=144(306)7x-14×0.2=9.8(307)0.3x÷12=1.6(308)18x-6x-28=80(309)3.9+4x=9.9(310)6x-8×0.2=5.6(311)20x+33=93(312)7.3x-1.4x-2=21.6(313)11x+17x+2=114(314)3.2x+3.2=16(315)5.9-x=1.9(316)x+6.1=9(317)9.7x+7x=83.5(318)9.2-x=8.1(319)40x+78x+2.2=120.2(320)14.7-0.6x=12.9(321)5.5x-1.8x+2.9=54.7(322)5(0.3x+5.5)=45.5(323)24x÷6=0.8(324)6.1+25x=18.6(325)9x-18×8=27(326)20x+2.1=18.1(327)13x+4×22=205(328)18x-7x+1.8=46.9(329)27x+9x+1.7=95.3(330)15.8-28x=7.4(331)11x-7x-1=33.4(332)4.7x+9.7x+1.8=117(333)81-x=53(334)1.6x+5x-3.7=115.1(335)129+2x=215(336)4.5x-0.2×29=3.2(337)8.3+x=16.3(338)3+x=84(339)19-x=17(340)1.4x+0.3×2=9(341)3x=51(342)2(6x+7)=182(343)191-10x=111(344)3.8+x=4.7(345)17.6-82x=1.2(346)7.1x-4x=34.1(347)13x-10x-19=23(348)x÷4=4(349)2x=17.2(350)25x-48×0.2=2.9(351)1.7x+0.2x+4.4=51.9(352)3x+2×3.6=13.5(353)7x+19x+35=113(354)8x-6.3x+3.9=12.4(355)(7x+29)÷34=6(356)16x-15=161(357)(2.9x+5.8)÷3=14.5(358)x÷3=4(359)x+7.5=9.6(360)20x÷12=5(361)2(21x-46)=34(362)3.4x-2.7x=19.6(363)3.6x-0.8x-0.2=5.4(364)x-2.1=5.2(365)7x+15×0.8=24.6(366)115-12x=67(367)15x+4x-16=41(368)(14x-42)÷2=105(369)7+4.1x=23.4(370)136+29x=310(371)13x-7x-24=42(372)144÷x=18(373)7x+24×0.6=26.3(374)(5.2x+0.4)÷7=11.2(375)13x-9x=60(376)63+x=150(377)18x-12x=12(378)64x-33x-3.2=37.1(379)x+1.7=4.8(380)11x-3x-36=28(381)87+17x=172(382)18+x=33(383)19x+21x-2.2=157.8(384)5x+9x=98(385)1.4x+3.1=18.5(386)144÷x=48(387)6x-2x+23=143(388)(11x-47)÷19=1(389)20x-13×0.4=8.8(390)4(x+33)=200(391)x÷4=3(392)6x+7.1x-3.7=35.6(393)3(0.4x-3.5)=17.1(394)24x-15x+0.9=3.6(395)8x-5x-13=32(396)4(5.6x+0.9)=48.4(397)1.6x-0.6x-1.3=16.7(398)58x+3.5=15.1(399)3x+2x=140(400)8(4x-26)=80(401)0.5x+2.5×2=6(402)9x=27(403)0.7+x=2.3(404)(9x-4)÷2=106(405)14x=7(406)181-3x=121(407)x+5=82(408)0.5x-1.3×4=1.3(409)2(0.2x+2.2)=22(410)19+x=93(411)14x+11x=75(412)3.6x-2.3=12.1(413)3.6x-1.9=8.9(414)32x+3.6=10(415)60x-34x-4.9=28.9(416)0.3x+5.2=13.9(417)41x-36x+4.4=6.4(418)x-0.3=4.6(419)18-13x=1.1(420)16x-10x-6=48(421)3(4x+10)=186(422)0.6x+1.7×4=9.8(423)38x=19(424)40+x=119(425)26x-3.6=1.6(426)6x=48(427)5.5-x=4(428)6x-35×0.4=1(429)2x=0.4(430)x+6=50(431)9.2x+9.4x-1.9=109.7(432)4x+56x-3.8=86.2(433)16x-5x+16=137(434)x-26=21(435)12x÷36=0.2(436)6.3+4x=21.9(437)165-28x=109(438)(x+11)÷5=3(439)1+x=5.6(440)5.1x=10.2(441)0.4x÷6=0.2(442)9(x+8)=180(443)8.5x-6.2x-1.1=3.5(444)9.8-2x=6.4(445)x÷4=5(446)x-30=56(447)(4x-14)÷43=2(448)6x+5x-2=273(449)2(17x+30)=128(450)6.8x+7.5x=171.6(451)19.2÷x=0.8(452)x÷96=0.2(453)4x-2x+10=84(454)4x÷5=3.2(455)2(28x-38)=148(456)2x-4.8=2(457)2(0.7x+4.9)=32.2(458)14-1.6x=9.2(459)x÷11=0.6(460)(6x-40)÷28=2(461)5.7x+1.7x+3.3=77.3(462)12x-2x+47=207(463)7x+47x+0.3=27.3(464)18.7-2.4x=13.9(465)4x-3×4.3=5.5(466)2x+5x-27=204(467)83x+68x-1.3=179.9(468)(0.3x+5.3)÷5=1.6(469)4x=8(470)0.9x+5.7=9.3(471)0.3+x=7.8(472)3(0.6x+6.6)=46.8(473)69-x=23(474)x-3.7=3(475)2x+17x=76(476)0.4x÷8=1.6(477)14x+7x+22=232(478)6x÷2=2.1(479)0.2x-2.1=8.5(480)6x+3x=279(481)0.6x÷26=0.3(482)x-26=41(483)0.5x=6(484)2x+1.1x=68.2(485)x-0.6=5.4(486)x-8=42(487)5x+12x-4.3=51.8(488)4x=14.4(489)11(1.3x-2.9)=39.6(490)18.6+9x=21.3(491)2x-19=69(492)1.8x+2x=178.6(493)15x+41=131(494)17x+19x-14=166(495)28x÷98=2(496)13x-22=134(497)3x-2.1=6.6(498)x+83=136(499)(9.7x-0.4)÷5=13.5(500)2.1x+3.4x-2.9=134.6(501)11.2-0.2x=7.8(502)84x+56x-0.4=41.6(503)5.2x+8.2x+1.5=162.3(504)5(5x-43)=85(505)4x+46=106(506)20x=180(507)3(0.4x-5.1)=15.9(508)102÷x=6(509)x+5.8=14.1(510)3(3x+29)=177(511)13x-6x-0.5=24.7(512)26x+11x-3.3=126.2(513)11.5-3.8x=3.9(514)6x=4.8(515)0.2x÷66=0.3(516)2(0.4x+3.1)=39.8(517)15.8-9x=2.3(518)1.8x-5.9=8.5(519)x÷3=3.1(520)2(1.4x-7.6)=46.4(521)(3.3x-1.2)÷3=7.3(522)12x+6x+41=95(523)2.3+2.7x=15.8(524)0.9x-0.5x+1.8=7.4(525)0.2+x=0.5(526)47x+13×1.2=25(527)1.1+1.5x=7.1(528)(8.5x+0.7)÷4=10.8(529)95x-85x+4.5=9.5(530)6.8÷x=0.2(531)(6.2x-1.3)÷33=0.9(532)13.5-2x=9.1(533)7x+3×3.4=15.8(534)3x-2×51=27(535)74x-58x+2.8=14(536)x÷6=26(537)87-x=45(538)2+x=8.8(539)x+8.2=10.1(540)3x=198參考答案(1)x=25(2)x=1.9(3)x=6(4)x=6(5)x=0.7(6)x=8(7)x=14(8)x=31(9)x=6(10)x=10(11)x=13(12)x=2(13)x=9(14)x=51(15)x=1.8(16)x=8(17)x=5(18)x=0.2(19)x=12.8(20)x=4(21)x=50(22)x=3.6(23)x=70(24)x=21(25)x=2.2(26)x=20(27)x=0.2(28)x=1.1(29)x=56(30)x=11(31)x=3(32)x=24(33)x=4(34)x=150(35)x=11(36)x=34(37)x=7(38)x=1.4(39)x=45(40)x=7(41)x=2(42)x=0.2(43)x=2(44)x=40(45)x=30(46)x=6(47)x=2.2(48)x=12(49)x=62(50)x=1.3(51)x=1.6(52)x=3(53)x=10(54)x=3(55)x=12(56)x=4(57)x=63(58)x=69(59)x=32(60)x=8(61)x=15(62)x=2.8(63)x=12(64)x=28(65)x=4(66)x=0.2(67)x=21(68)x=0.2(69)x=18(70)x=5(71)x=56(72)x=3.6(73)x=55(74)x=29(75)x=8(76)x=35(77)x=7.4(78)x=16(79)x=56(80)x=88(81)x=11(82)x=58(83)x=11(84)x=8(85)x=9(86)x=2(87)x=57(88)x=0.8(89)x=2(90)x=1(91)x=4(92)x=18(93)x=2(94)x=98(95)x=0.3(96)x=23(97)x=2(98)x=0.3(99)x=5(100)x=82(101)x=20(102)x=11(103)x=9(104)x=135(105)x=32(106)x=12(107)x=66(108)x=15(109)x=0.8(110)x=9(111)x=9(112)x=11(113)x=63(114)x=70(115)x=9(116)x=9(117)x=27(118)x=30(119)x=16(120)x=10(121)x=15(122)x=2(123)x=57(124)x=5.6(125)x=10(126)x=8(127)x=11(128)x=53(129)x=0.4(130)x=3(131)x=63(132)x=9(133)x=1(134)x=5(135)x=9(136)x=3(137)x=6(138)x=10(139)x=6(140)x=20(141)x=58(142)x=0.4(143)x=0.3(144)x=76(145)x=88(146)x=0.4(147)x=3(148)x=6(149)x=32(150)x=89(151)x=2.8(152)x=3(153)x=74(154)x=189(155)x=2(156)x=0.4(157)x=20(158)x=0.6(159)x=9.1(160)x=3(161)x=20(162)x=0.6(163)x=3(164)x=49(165)x=6(166)x=2(167)x=1.4(168)x=0.2(169)x=4.2(170)x=5(171)x=4.2(172)x=4(173)x=24(174)x=7(175)x=2(176)x=38(177)x=2(178)x=2.5(179)x=36(180)x=37(181)x=99(182)x=9(183)x=13(184)x=9(185)x=1.4(186)x=0.6(187)x=5(188)x=1(189)x=18(190)x=2(191)x=11(192)x=4(193)x=9.9(194)x=15(195)x=52(196)x=72(197)x=9(198)x=2(199)x=25(200)x=26(201)x=28(202)x=7(203)x=6(204)x=5(205)x=37(206)x=4(207)x=27(208)x=13(209)x=4(210)x=3.4(211)x=7(212)x=88(213)x=21(214)x=0.3(215)x=16(216)x=5(217)x=13(218)x=4.5(219)x=39(220)x=37(221)x=0.4(222)x=14(223)x=29(224)x=15(225)x=19(226)x=0.8(227)x=4(228)x=6(229)x=10(230)x=0.7(231)x=39(232)x=3(233)x=4(234)x=0.2(235)x=18(236)x=4(237)x=13(238)x=7(239)x=34(240)x=13(241)x=11(242)x=92(243)x=10(244)x=21(245)x=8(246)x=4(247)x=26(248)x=5(249)x=3.8(250)x=13(251)x=14(252)x=1.5(253)x=9(254)x=19(255)x=68(256)x=2(257)x=7(258)x=46(259)x=28(260)x=3(261)x=14(262)x=40(263)x=1.7(264)x=6(265)x=22(266)x=1(267)x=13(268)x=0.9(269)x=3.6(270)x=3(271)x=10.5(272)x=38(273)x=3(274)x=4.3(275)x=3.8(276)x=1.7(277)x=50(278)x=49(279)x=3.2(280)x=13(281)x=6(282)x=19(283)x=6(284)x=25(285)x=25(286)x=9(287)x=4(288)x=5(289)x=3(290)x=7(291)x=2.6(292)x=7.3(293)x=8.4(294)x=21(295)x=3.4(296)x=0.3(297)x=2(298)x=29(299)x=18(300)x=4.2(301)x=10(302)x=71(303)x=194(304)x=3.7(305)x=8(306)x=1.8(307)x=64(308)x=9(309)x=1.5(310)x=1.2(311)x=3(312)x=4(313)x=4(314)x=4(315)x=4(316)x=2.9(317)x=5(318)x=1.1(319)x=1(320)x=3(321)x=14(322)x=12(323)x=0.2(324)x=0.5(325)x=19(326)x=0.8(327)x=9(328)x=4.1(329)x=2.6(330)x=0.3(331)x=8.6(332)x=8(333)x=28(334)x=18(335)x=43(336)x=2(337)x=8(338)x=81(339)x=2(340)x=6(341)x=17(342)x=14(343)x=8(344)x=0.9(345)x=0.2(346)x=11(347)x=14(348)x=16(349)x=8.6(350)x=0.5(351)x=25(352)x=2.1(353)x=3(354)x=5(355)x=25(356)x=11(357)x=13(358)x=12(359)x=2.1(360)x=3(361)x=3(362)x=28(363)x=2(364)x=7.3(365)x=1.8(366)x=4(367)x=3(368)x=18(369)x=4(370)x=6(371)x=11(372)x=8(373)x=1.7(374)x=15(375)x=15(376)x=87(377)x=2(378)x=1.3(379)x=3.1(380)x=8(381)x=5(382)x=15(383)x=4(384)x=7(385)x=11(386)x=3(387)x=30(388)x=6(389)x=0.7(390)x=17(391)x=12(392)x=3(393)x=23(394)x=0.3(395)x=15(3