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)x-2=36(2)97x-68x-2.9=23.2(3)23+x=48(4)0.5x+2.7=22.2(5)0.3x+3x=69.3(6)4x+56=116(7)6.6-x=5.8(8)0.3x=14.1(9)49x+12x-2.9=64.2(10)2x-2.9=11.1(11)185-2x=17(12)12x+55x+2.6=22.7(13)11x+17x-10=102(14)18x÷6=24(15)7.2x+6.8x+3.5=129.5(16)13x-30×0.2=5.7(17)4.8x-3.8x+4.7=20.7(18)17.5-4.1x=1.1(19)19x÷95=0.2(20)6x+1.9=18.1(21)193-42x=109(22)126÷x=42(23)42x-3x-0.8=7(24)x÷3=1.1(25)4.6x-1x=7.2(26)4.3x+9.7x+1.5=71.5(27)5x+16x+1.9=48.1(28)18(0.7x-4.2)=25.2(29)x+0.4=2.1(30)x-2.6=5.1(31)7x-4=13.5(32)2.4x+2.9x=42.4(33)6.9+0.8x=15.7(34)2.4x+3.7x=158.6(35)11x+67x+0.7=78.7(36)65-x=46(37)5.6-x=1.5(38)120÷x=6(39)4.1x-2x+4.8=30(40)10x-2×15=50(41)17x=18.7(42)0.4x+1.2x+4=56.8(43)4(0.6x-8.6)=20.8(44)2.4+x=10.8(45)5x+17x=88(46)3(17x+12)=189(47)9.6÷x=0.2(48)(14x-30)÷2=6(49)75x+3.4=18.4(50)16x÷88=0.2(51)8(2x-24)=192(52)24x+78x-0.8=91(53)40x-4x-0.5=49.9(54)2x+2.6=20.8(55)1.9x-0.7x=55.2(56)83x+44=210(57)13.5+0.5x=27(58)10x-3×22=134(59)x÷5=16(60)9.9x-1.9x=72(61)34+x=71(62)122-6x=62(63)8x+9×0.5=22.1(64)13x-42×0.2=4.6(65)0.4x÷24=0.2(66)60+x=91(67)4.8x+5.2x=130(68)26x+20×10=278(69)(16x-45)÷3=33(70)2.9x+1.9x+3.6=27.6(71)20x÷10=1.6(72)85-x=62(73)(7x+22)÷9=11(74)9-2x=5(75)0.8x+0.2x+3.2=6.2(76)2.5x+3.4×2=21.8(77)16x+8x=288(78)3.7x-1.1x=65(79)1.9x+0.2×48=28.6(80)0.8x+5.4=14.2(81)6x=12(82)18.9÷x=2.7(83)4x-18×0.5=8.6(84)x+8.5=12.2(85)19x=3.8(86)x÷2=25(87)35+12x=71(88)2x-4.1=7.9(89)189-4x=109(90)11x-13=20(91)(5x+46)÷16=11(92)198+8x=326(93)x-12=35(94)9x+62x+1.4=15.6(95)(10x+11)÷7=33(96)5x=12(97)4.4-x=2.2(98)3x-29=154(99)36x+39x-2.2=65.3(100)92x-18x-0.7=65.9(101)7x+49=189(102)4(5x+6)=164(103)0.8x+4x-4.1=106.3(104)5x-2×8=39(105)5.4÷x=1.8(106)12.4-0.5x=4.4(107)5.2-2x=3.2(108)79-x=38(109)4(5.2x-5.2)=20.8(110)17x+2×98=366(111)10x-56=104(112)19x=152(113)x+2.7=6.8(114)6+1.3x=20.3(115)3x-1.4=1.3(116)0.3x-2.2=4.4(117)(1.6x+2.8)÷20=1.1(118)61x-5.5=6.7(119)15.7-0.4x=4.1(120)11x=165(121)9x-3x-21=21(122)x÷2=36(123)9.7x-4.9x-4.8=24(124)57x-27x-0.9=29.1(125)7+x=16.1(126)(0.6x+9.6)÷5=3(127)21x+5.7=12(128)5.3-6x=2.3(129)5x+5.8=20.8(130)2.2x-0.2×5=10(131)28x-7×18=14(132)0.3x+3.3=22.8(133)(x+42)÷2=29(134)(5.1x-4.9)÷2=46(135)(1.4x+2.8)÷2=8.4(136)5x+22×0.7=18.4(137)0.3x-0.6×18=2.7(138)2x-11=55(139)5.3-x=3(140)19.6+0.5x=38.6(141)1.7x+4x=34.2(142)47x+60x+2.1=34.2(143)x÷13=14(144)(x+7)÷2=7(145)3x+2x=65(146)36x-27x+0.5=12.2(147)6x+2.8=5.8(148)2.1x+2.5x-3.1=139.5(149)14x-2x+7=103(150)3x+9x=180(151)6.7x=13.4(152)3(0.2x+5.1)=28.5(153)x÷5=21(154)0.2x+4.9=18.9(155)2x÷6=23(156)16x-5x=33(157)2(7.3x+1.3)=31.8(158)43x-19=67(159)x-6=1.2(160)2x÷15=6(161)16.8÷x=0.2(162)8(4x-46)=112(163)2(2.1x-6.1)=46.6(164)9x-4.3=10.1(165)53-x=40(166)7x+2x+35=278(167)19x+13x=96(168)x-0.3=3.5(169)x÷41=3(170)x+26=62(171)15.4+0.9x=20.8(172)6x+8x=224(173)4x=136(174)7x+17x+44=140(175)5.5x-4.9x+0.7=7.3(176)0.9x-1.7=7.3(177)37x-24x+0.7=26.7(178)0.7x-0.9×10=2.2(179)4(3.3x+3.4)=40(180)14x+8x+35=299(181)1.2x=18(182)12x+6×11=258(183)x+11=93(184)x÷22=0.6(185)2.5x+4.5=17(186)(2x+40)÷37=2(187)6.8x-2.4x-4.3=52.9(188)5.3x-2.4x-0.9=51.3(189)0.8x=12(190)18.2-0.7x=15.4(191)8x+52×3=268(192)6(7x-6.1)=47.4(193)7x+4x-9=145(194)4.8x-2.2x-3.2=41(195)58x+18x-4.3=48.9(196)2.2+2.9x=13.8(197)51-x=29(198)109+4x=257(199)x+6.2=7.4(200)2x-10=136(201)11(x+5)=110(202)3(0.4x+6.9)=27.9(203)6x+9x=60(204)1.4x+2.2x-0.3=158.1(205)183+2x=333(206)6(x-4)=96(207)1.6x-0.7x=18(208)16x-7x+13=49(209)2.2x+0.7×25=32.9(210)178-5x=83(211)(7.9x+3.5)÷14=4.2(212)(6.6x-3.2)÷2=41.3(213)10x-32×3=64(214)2.7x+0.8x-3.3=122.7(215)12÷x=0.6(216)168÷x=42(217)(6x-42)÷6=12(218)10x+5x+19=49(219)61x-34x+3.3=14.1(220)0.2x÷6=1.1(221)5x=2(222)109-2x=21(223)1.4x=18.2(224)2x-3.9×2=10.2(225)13x-3×1.2=15.9(226)x+10=31(227)2.5x+2.9=12.9(228)3.2x-3.1=9.7(229)3x+7x-2.6=19.4(230)18x+15×9=297(231)25x+22×0.9=37.3(232)12x÷2=42(233)15.6÷x=3.9(234)1.3x=6.5(235)x+6.8=13.5(236)(19x+11)÷4=36(237)3(11x+34)=168(238)13.2-1x=2.2(239)x+60=155(240)27x-9×14=36(241)0.3x+1.1x+2.7=64.3(242)6x÷64=3(243)5x+2×2.7=22.4(244)2.4+x=8.5(245)(6.6x-1.2)÷17=4.2(246)6(4.9x-1.5)=49.8(247)65+x=141(248)(5x-44)÷3=32(249)3x-5.7=3.6(250)2(0.4x+2.7)=36.6(251)3.2x+4×5=29.6(252)x+55=153(253)2x+10×8=204(254)1.5x+0.5×6=10.5(255)2.4x+0.2×21=23.4(256)4.6x-3.1x+3.3=16.8(257)x+1.1=4.9(258)1.8x÷6=0.9(259)7.8x+4.3x-2.9=45.5(260)x÷21=0.6(261)1.1x+0.8×23=29.4(262)(3.8x+5.2)÷2=25.4(263)6x+9x+2.8=14.8(264)5+x=9(265)4.9x+7.2x=36.3(266)70+6x=184(267)34x-35=101(268)176+7x=344(269)0.9x÷3=3.9(270)(2x-28)÷6=2(271)9.4x-1.9x+0.2=60.2(272)12x-6×0.3=10.2(273)2x+13×11=323(274)x÷4=1(275)9-x=6.9(276)5x-3×2.4=6.3(277)0.3x÷4=4.5(278)x÷3=1.8(279)74x-33x+4.8=21.2(280)6x+56×3=330(281)59+x=140(282)96+x=174(283)6.1x-5.1x+1.4=15.4(284)18x+10x+44=184(285)5x+8x-27=259(286)19.2-0.2x=10.2(287)2.5x÷5=3.5(288)5x-3x-4=52(289)96÷x=16(290)189+2x=379(291)x+33=89(292)0.3x+5.9=9.5(293)39x-37x+2=4.8(294)17.9-23x=13.3(295)x-1.9=6.4(296)10.3-5x=4.8(297)31x-24x+2.2=7.8(298)14.3-0.3x=9.2(299)3(21x-31)=159(300)6x+46=232(301)x-4=82(302)8x+5.6=24(303)5x÷10=1.4(304)0.2x-3.2×2=3(305)3x+6x-31=185(306)1.7x-2×4=7.3(307)0.6x-0.3x+3.2=26.6(308)9.1+x=10.9(309)16x-11x=45(310)4.1x-1.6x=27.5(311)83x-73x-2.6=5.4(312)23x-19×5=66(313)0.5x-4.6×3=2.7(314)7.4x-4.2x-0.9=40.7(315)23x+5.9=10.5(316)1.8x+4.6×2=12.8(317)10x=150(318)x-1=1.1(319)28(0.4x+0.2)=28(320)30x+33x+1.6=33.1(321)58+x=80(322)0.6x-0.3×16=9.6(323)8.9x-0.8x-0.4=32(324)x+0.9=3.2(325)130÷x=10(326)11.8-8x=5.4(327)17.2+1.6x=22(328)71x-10x+0.4=30.9(329)6x-3x-41=46(330)11x=88(331)16x+17x=330(332)2(7x-19)=60(333)2x-4.7=2.3(334)3.4-x=2.4(335)40x-16×0.4=5.6(336)6x+7x-46=292(337)(x+33)÷4=12(338)55x-27x+2.9=11.3(339)15.6-5x=5.1(340)x÷2=23(341)4x+16x-48=92(342)9(3.4x-8.9)=42.3(343)4.1x+5.6x+2.9=61.1(344)26x=7.8(345)34x+40x-4.7=32.3(346)(6.2x+4.2)÷4=5.7(347)0.9x-0.2x-1.3=64.5(348)3x+4x+49=371(349)4(x+8)=200(350)4x=72(351)19x+18x-47=101(352)(5.9x+7.3)÷20=4.2(353)8(1.3x+1)=39.2(354)18x-15x=27(355)198÷x=18(356)(5x-49)÷4=24(357)0.4x-2.8=7.2(358)x-2.8=5.3(359)4.7x-3.3x=11.2(360)117÷x=13(361)8x+11x+18=208(362)6x-5×12=60(363)1.4x=9.8(364)90x+11x+2.5=93.4(365)4.3x+5.3x=134.4(366)15.6+2x=16.6(367)17.3-4x=7.3(368)3.9x+3.5x+0.4=89.2(369)10x-4x=72(370)0.8x+5.8x=72.6(371)2x-6×0.7=2.6(372)35x+1.1=15.1(373)(5x-4)÷9=14(374)8x+76x-0.2=41.8(375)21x-2.5=12.2(376)9.8x÷14=1.4(377)x-0.7=1.6(378)58x-36x-0.7=16.9(379)18.2-6.7x=4.8(380)x÷76=0.2(381)16.1+10x=33.1(382)4.4x+4x=126(383)11-10x=4(384)7.5+8x=24.3(385)19x-7x-28=44(386)96÷x=8(387)x-16=26(388)4x÷82=0.2(389)14x-9x+29=79(390)7x-2x-36=54(391)8x-5x-5=25(392)8x+26x-0.3=64.3(393)x÷3=4.5(394)19x-17x+47=57(395)70x-48x-3.4=14.2(396)5(10x+3)=165(397)7.3+8x=23.3(398)(4.1x-9.8)÷5=12.8(399)2(2x+17)=138(400)23x-35=149(401)1.8x=18(402)10x-5x=10(403)7-13x=3.1(404)9x=45(405)44x÷11=16(406)5(x-13)=50(407)2x-4.4=9.6(408)6.7x+0.4x+4.7=89.9(409)36+68x=172(410)66+x=96(411)17÷x=1.7(412)1.2x-0.9x=23.7(413)2.6x-0.3×14=14(414)17x-10x-19=37(415)0.2x÷3=0.4(416)x÷15=8(417)4x+31×0.6=32.2(418)x÷44=0.3(419)1.2+84x=18(420)(6.2x-3)÷18=1.9(421)18x+40×0.4=26.8(422)8x=1.6(423)x÷4=48(424)51x-45x+2.5=6.7(425)7.9+x=12.8(426)3x+5×3=75(427)77-x=74(428)1.7x-0.2x+3.3=90.3(429)(9.8x-8.8)÷36=0.3(430)5.5-x=2.7(431)7.8-x=6.6(432)x+5=10.5(433)x+72=135(434)(2x+8)÷2=11(435)16(3x-5)=160(436)13.8+2x=30.8(437)(8.2x-1.4)÷3=13.2(438)8.9-x=6.1(439)20(0.3x-6.6)=42(440)(4x-15)÷7=3(441)63x-25x-2.6=50.6(442)5x+3x+17=249(443)4x+4×1.9=10.4(444)30x÷15=0.6(445)x+95=164(446)8x+5x-45=137(447)4x+13x+4.5=24.9(448)2(4.3x+0.3)=43.6(449)158+60x=338(450)0.7x=6.3(451)(0.3x+7)÷5=2(452)10.8÷x=0.2(453)x-38=23(454)9x÷12=3(455)58-x=44(456)6x+20=134(457)1.8x+0.5x-1.7=25.9(458)4x÷16=0.5(459)5x+10x+32=272(460)18.6+10x=28.6(461)x+46=112(462)48÷x=3(463)x-72=14(464)16x-6x+31=51(465)5x+5×1=20(466)9.7+x=15(467)34x+32=168(468)129-40x=49(469)2(11x+28)=100(470)2.7x+2.3x-1.1=53.9(471)13(4x-25)=143(472)18x÷3=3.6(473)9x-21×2=120(474)0.5x-3.5=4(475)19x+18x-13=61(476)163-8x=147(477)11.1+6x=18.9(478)179-2x=21(479)4x+29=193(480)x-2.1=2.8(481)2.1x÷28=0.6(482)8x-6x+16=46(483)7x-38×0.3=8.2(484)x-14=67(485)(2.7x-7.6)÷13=1.7(486)4+2.1x=12.4(487)15x-13x=10(488)7.6+x=7.8(489)5.7x-4x-2.9=15.8(490)0.9x+0.7×13=16.3(491)(6x-6)÷2=57(492)2x=30(493)6x+53=65(494)(9.1x-0.4)÷2=36.2(495)(14x+6)÷44=3(496)0.4x-2.2=17.4(497)82+x=102(498)13x=195(499)11(3x-37)=121(500)67x+15=149(501)3.7+x=8.5(502)52-x=32(503)x-7.3=2.1(504)10x-5x-31=44(505)73x+9x-2.6=38.4(506)10x-6x+17=65(507)6x-2x-48=36(508)0.6x-5.7=5.1(509)x-36=33(510)5.7+7x=14.1(511)6.2x-3.9x+3.6=40.4(512)18x÷30=0.3(513)14x-11x+24=45(514)9.3x+8.4x-0.5=70.3(515)11.4÷x=1.9(516)6x÷15=4(517)21x+9×2.2=32.4(518)4.6+23x=18.4(519)6x+7x=247(520)x-18=61(521)7x-3x=56(522)2x+4.2=8.2(523)0.5x-2.3=2.2(524)3.3x-0.8x-4.4=35.6(525)4.7x+1.2x-3.4=102.8(526)9.3x-0.9x=25.2(527)19x-3x+32=192(528)16-x=12(529)x+9.9=13.5(530)14x-10x=12(531)12x=6(532)2(0.4x-3.8)=6.8(533)x÷3=4.3(534)2x÷16=8(535)3(10x+3)=99(536)12x-8x=24(537)21x=8.4(538)2(0.6x+4.5)=48.6(539)0.2x+3.5=14.9(540)75x-20=130參考答案(1)x=38(2)x=0.9(3)x=25(4)x=39(5)x=21(6)x=15(7)x=0.8(8)x=47(9)x=1.1(10)x=7(11)x=84(12)x=0.3(13)x=4(14)x=8(15)x=9(16)x=0.9(17)x=16(18)x=4(19)x=1(20)x=2.7(21)x=2(22)x=3(23)x=0.2(24)x=3.3(25)x=2(26)x=5(27)x=2.2(28)x=8(29)x=1.7(30)x=7.7(31)x=2.5(32)x=8(33)x=11(34)x=26(35)x=1(36)x=19(37)x=4.1(38)x=20(39)x=12(40)x=8(41)x=1.1(42)x=33(43)x=23(44)x=8.4(45)x=4(46)x=3(47)x=48(48)x=3(49)x=0.2(50)x=1.1(51)x=24(52)x=0.9(53)x=1.4(54)x=9.1(55)x=46(56)x=2(57)x=27(58)x=20(59)x=80(60)x=9(61)x=37(62)x=10(63)x=2.2(64)x=1(65)x=12(66)x=31(67)x=13(68)x=3(69)x=9(70)x=5(71)x=0.8(72)x=23(73)x=11(74)x=2(75)x=3(76)x=6(77)x=12(78)x=25(79)x=10(80)x=11(81)x=2(82)x=7(83)x=4.4(84)x=3.7(85)x=0.2(86)x=50(87)x=3(88)x=6(89)x=20(90)x=3(91)x=26(92)x=16(93)x=47(94)x=0.2(95)x=22(96)x=2.4(97)x=2.2(98)x=61(99)x=0.9(100)x=0.9(101)x=20(102)x=7(103)x=23(104)x=11(105)x=3(106)x=16(107)x=1(108)x=41(109)x=2(110)x=10(111)x=16(112)x=8(113)x=4.1(114)x=11(115)x=0.9(116)x=22(117)x=12(118)x=0.2(119)x=29(120)x=15(121)x=7(122)x=72(123)x=6(124)x=1(125)x=9.1(126)x=9(127)x=0.3(128)x=0.5(129)x=3(130)x=5(131)x=5(132)x=65(133)x=16(134)x=19(135)x=10(136)x=0.6(137)x=45(138)x=33(139)x=2.3(140)x=38(141)x=6(142)x=0.3(143)x=182(144)x=7(145)x=13(146)x=1.3(147)x=0.5(148)x=31(149)x=8(150)x=15(151)x=2(152)x=22(153)x=105(154)x=70(155)x=69(156)x=3(157)x=2(158)x=2(159)x=7.2(160)x=45(161)x=84(162)x=15(163)x=14(164)x=1.6(165)x=13(166)x=27(167)x=3(168)x=3.8(169)x=123(170)x=36(171)x=6(172)x=16(173)x=34(174)x=4(175)x=11(176)x=10(177)x=2(178)x=16(179)x=2(180)x=12(181)x=15(182)x=16(183)x=82(184)x=13.2(185)x=5(186)x=17(187)x=13(188)x=18(189)x=15(190)x=4(191)x=14(192)x=2(193)x=14(194)x=17(195)x=0.7(196)x=4(197)x=22(198)x=37(199)x=1.2(200)x=73(201)x=5(202)x=6(203)x=4(204)x=44(205)x=75(206)x=20(207)x=20(208)x=4(209)x=7(210)x=19(211)x=7(212)x=13(213)x=16(214)x=36(215)x=20(216)x=4(217)x=19(218)x=2(219)x=0.4(220)x=33(221)x=0.4(222)x=44(223)x=13(224)x=9(225)x=1.5(226)x=21(227)x=4(228)x=4(229)x=2.2(230)x=9(231)x=0.7(232)x=7(233)x=4(234)x=5(235)x=6.7(236)x=7(237)x=2(238)x=11(239)x=95(240)x=6(241)x=44(242)x=32(243)x=3.4(244)x=6.1(245)x=11(246)x=2(247)x=76(248)x=28(249)x=3.1(250)x=39(251)x=3(252)x=98(253)x=62(254)x=5(255)x=8(256)x=9(257)x=3.8(258)x=3(259)x=4(260)x=12.6(261)x=10(262)x=12(263)x=0.8(264)x=4(265)x=3(266)x=19(267)x=4(268)x=24(269)x=13(270)x=20(271)x=8(272)x=1(273)x=90(274)x=4(275)x=2.1(276)x=2.7(277)x=60(278)x=5.4(279)x=0.4(280)x=27(281)x=81(282)x=78(283)x=14(284)x=5(285)x=22(286)x=45(287)x=7(288)x=28(289)x=6(290)x=95(291)x=56(292)x=12(293)x=1.4(294)x=0.2(295)x=8.3(296)x=1.1(297)x=0.8(298)x=17(299)x=4(300)x=31(301)x=86(302)x=2.3(303)x=2.8(304)x=47(305)x=24(306)x=9(307)x=78(308)x=1.8(309)x=9(310)x=11(311)x=0.8(312)x=7(313)x=33(314)x=13(315)x=0.2(316)x=2(317)x=15(318)x=2.1(319)x=2(320)x=0.5(321)x=22(322)x=24(323)x=4(324)x=2.3(325)x=13(326)x=0.8(327)x=3(328)x=0.5(329)x=29(330)x=8(331)x=10(332)x=7(333)x=3.5(334)x=1(335)x=0.3(336)x=26(337)x=15(338)x=0.3(339)x=2.1(340)x=46(341)x=7(342)x=4(343)x=6(344)x=0.3(345)x=0.5(346)x=3(347)x=94(348)x=46(349)x=42(350)x=18(351)x=4(352)x=13(353)x=3(354)x=9(355)x=11(356)x=29(357)x=25(358)x=8.1(359)x=8(360)x=9(361)x=10(362)x=20(363)x=7(364)x=0.9(365)x=14(366)x=0.5(367)x=2.5(368)x=12(369)x=12(370)x=11(371)x=3.4(372)x=0.4(373)x=26(374)x=0.5(375)x=0.7(376)x=2(377)x=2.3(378)x=0.8(379)x=2(380)x=15.2(381)x=1.7(382)x=15(383)x=0.7(384)x=2.1(385)x=6(386)x=12(387)x=42(388)x=4.1(389)x=10(390)x=18(391)x=10(392)x=1.9(393)x=13.