五年級數(shù)學(方程)習題及答案

五年級數(shù)學(方程)習題及答案(1)x+8=54(2)x+90=93(3)x+59=136(4)x+25=99(5)x+99=189(6)x+65=105(7)x+92=140(8)x+26=82(9)x+83=106(10)x-7=35(11)x-19=76(12)x-19=74(13)x-20=31(14)x-15=28(15)x-41=16(16)x-2=43(17)x-2=41(18)x-12=87(19)x+2=6.2(20)x+9.2=17.5(21)x+1.4=8.4(22)x+7=9.6(23)x+1.2=3.4(24)x+7=11.8(25)x+2.1=8.3(26)x+4.5=11.1(27)x+1=7.9(28)x-3.3=5.2(29)x-0.8=5.2(30)x-6.4=1.7(31)x-0.8=8.1(32)x-3.4=2.3(33)x-4.5=1.8(34)x-0.4=9.3(35)x-4.9=4.2(36)x-1.8=2.8(37)98+x=171(38)47+x=105(39)81+x=83(40)47+x=114(41)21+x=56(42)6+x=95(43)92+x=178(44)6+x=70(45)85+x=129(46)96-x=61(47)82-x=68(48)40-x=18(49)88-x=73(50)85-x=72(51)71-x=60(52)62-x=57(53)78-x=56(54)98-x=66(55)5.3+x=8.8(56)4.9+x=12.6(57)2.4+x=11.8(58)7.6+x=13.7(59)6.9+x=14.4(60)0.6+x=3.2(61)0.2+x=9.4(62)0.3+x=5.9(63)8.1+x=12.9(64)3.2-x=1(65)9.5-x=1.1(66)4.8-x=3.3(67)8.2-x=5.7(68)9.2-x=7.4(69)9.7-x=9.3(70)4.3-x=3.7(71)8-x=7.8(72)5.1-x=3.2(73)2x=26(74)4x=88(75)45x=135(76)2x=10(77)4x=108(78)2x=186(79)2x=12(80)3x=54(81)24x=120(82)2.4x=9.6(83)1.4x=8.4(84)1x=12(85)0.8x=7.2(86)0.2x=10.8(87)6x=18(88)0.4x=4.8(89)0.8x=4.8(90)0.4x=10(91)30x=9(92)77x=15.4(93)59x=17.7(94)20x=12(95)54x=16.2(96)96x=19.2(97)32x=16(98)2x=5.2(99)2x=18.8(100)153÷x=9(101)87÷x=3(102)154÷x=7(103)8÷x=2(104)51÷x=3(105)184÷x=4(106)36÷x=12(107)32÷x=16(108)20÷x=2(109)18.7÷x=1.7(110)7.7÷x=0.7(111)10.8÷x=0.4(112)3.2÷x=0.2(113)4÷x=0.2(114)4.6÷x=2.3(115)6÷x=1(116)10.5÷x=1.5(117)10.2÷x=0.6(118)x÷4=32(119)x÷96=2(120)x÷19=7(121)x÷17=2(122)x÷14=6(123)x÷6=20(124)x÷6=27(125)x÷20=9(126)x÷30=4(127)x÷2=1.3(128)x÷24=0.5(129)x÷10=0.7(130)x÷18=1(131)x÷3=3.5(132)x÷5=1.6(133)x÷2=2.2(134)x÷21=0.7(135)x÷3=2.5(136)8x+41=129(137)6x+22=76(138)32x+47=239(139)3x+29=104(140)25x+22=172(141)22x+48=92(142)2x+56=146(143)59x+40=217(144)55x+48=213(145)6x-42=102(146)2x-36=132(147)3x-45=132(148)13x-44=99(149)20x-58=22(150)4x-57=59(151)22x-30=58(152)3x-37=11(153)21x-57=111(154)16x+2.5=21.7(155)5x+3.8=9.8(156)38x+4.4=12(157)6x+3.3=22.5(158)2x+5.1=25.1(159)75x+3.6=18.6(160)2x+4.9=6.9(161)38x+4.6=19.8(162)39x+1.1=8.9(163)0.2x+2.1=3.7(164)0.6x+4.4=12.8(165)0.9x+4.3=16.9(166)1.8x+3.8=11(167)0.6x+3.2=12.2(168)1.6x+3=12.6(169)0.2x+2.7=19.5(170)0.3x+4.1=14.6(171)0.6x+2.5=16.9(172)9x-1.3=16.7(173)2x-5.6=12(174)2x-2.9=9.9(175)7x-1.8=16.4(176)3x-2=14.8(177)2x-2.9=8.1(178)63x-2.9=9.7(179)9x-3.7=9.8(180)35x-5.5=5(181)1.4x-5.7=2.7(182)1.1x-3.7=1.8(183)0.4x-3=9(184)1.1x-1.2=5.4(185)3x-4.8=13.2(186)0.8x-4.3=6.9(187)0.2x-3.5=1.7(188)0.2x-4.4=5.4(189)4.5x-4.4=9.1(190)194+6x=332(191)18+8x=66(192)117+2x=291(193)177+19x=291(194)80+17x=216(195)185+2x=335(196)75+3x=249(197)41+8x=137(198)82+39x=160(199)163-7x=23(200)72-2x=66(201)158-3x=104(202)197-2x=137(203)155-4x=147(204)183-2x=139(205)180-72x=36(206)129-10x=29(207)125-20x=45(208)1.1+0.2x=19.7(209)9.4+0.3x=20.2(210)11.2+4x=31.2(211)12.2+0.9x=29.3(212)1.4+2.9x=15.9(213)19.1+0.6x=30.5(214)15.6+0.8x=19.6(215)9.2+6.4x=28.4(216)5.2+4.9x=15(217)17.3+18x=22.7(218)14.5+22x=34.3(219)6.8+5x=18.8(220)7.1+25x=12.1(221)11.3+2x=13.7(222)11+14x=18(223)9.6+12x=25.2(224)3.4+3x=9.7(225)15.3+34x=25.5(226)17.1-1.2x=7.5(227)13.9-0.4x=6.7(228)18.2-0.3x=2.6(229)12.4-0.6x=3.4(230)12.1-0.2x=10.5(231)11.2-1x=2.2(232)15.2-0.5x=11.7(233)9-0.9x=2.7(234)18.9-2x=10.9(235)16-2x=10.4(236)16.1-6x=5.9(237)17.9-55x=6.9(238)14.2-8x=5.4(239)18.8-12x=5.6(240)6-2x=3.4(241)7.9-17x=2.8(242)19.6-3x=1.6(243)19-4x=11.8(244)65x÷5=39(245)19x÷5=38(246)14x÷7=4(247)6x÷18=3(248)15x÷10=9(249)51x÷17=9(250)3x÷5=27(251)10x÷5=6(252)48x÷32=3(253)0.2x÷7=0.8(254)0.4x÷7=1.6(255)3.9x÷13=1.5(256)0.3x÷81=0.2(257)1.2x÷30=0.6(258)5x÷5=4(259)3.3x÷6=1.1(260)0.3x÷4=4.5(261)0.2x÷16=0.5(262)11x÷33=0.2(263)2x÷14=1.3(264)30x÷5=2.4(265)8x÷2=2.8(266)28x÷14=0.4(267)2x÷20=0.4(268)3x÷13=1.5(269)2x÷7=2.8(270)3x÷4=3.3(271)7x+10x=289(272)8x+9x=323(273)15x+8x=230(274)6x+19x=125(275)12x+2x=112(276)9x+5x=210(277)6x+9x=30(278)18x+8x=260(279)2x+16x=162(280)14x-5x=54(281)16x-14x=22(282)18x-4x=98(283)14x-8x=78(284)19x-9x=50(285)7x-5x=50(286)17x-4x=65(287)16x-8x=32(288)10x-4x=90(289)6.4x+0.2x=66(290)2.7x+0.8x=66.5(291)2.7x+3.9x=19.8(292)1.7x+5.7x=29.6(293)0.3x+1x=48.1(294)4.8x+0.9x=102.6(295)9.8x+2.7x=100(296)3x+4.4x=37(297)7.5x+5.8x=159.6(298)8.3x-5.8x=12.5(299)4.1x-2.3x=28.8(300)5.5x-3.4x=23.1(301)2.3x-1.8x=4(302)7.1x-4.5x=7.8(303)8.6x-0.7x=39.5(304)6.9x-0.3x=46.2(305)9.4x-4.5x=24.5(306)7.1x-1.2x=11.8(307)2x+4x+19=139(308)14x+11x+4=79(309)18x+5x+30=237(310)8x+12x+44=144(311)7x+11x+43=151(312)19x+12x+24=210(313)17x+14x+32=125(314)2x+11x+4=212(315)17x+11x+5=145(316)14x+5x-6=127(317)4x+10x-36=118(318)7x+2x-28=107(319)10x+11x-11=157(320)14x+2x-49=15(321)9x+2x-32=188(322)13x+3x-9=55(323)13x+11x-37=83(324)7x+6x-9=186(325)9x-6x+13=46(326)16x-14x+20=36(327)14x-10x+6=42(328)6x-3x+18=99(329)15x-3x+15=75(330)10x-7x+49=88(331)8x-3x+22=102(332)18x-11x+37=93(333)9x-7x+2=14(334)14x-4x-38=22(335)5x-2x-41=37(336)10x-4x-24=18(337)9x-4x-25=10(338)4x-2x-48=28(339)15x-7x-33=39(340)5x-3x-19=21(341)6x-4x-16=34(342)17x-9x-33=47(343)5.2x+9.1x+3.5=117.9(344)1.3x+8.3x+2.4=88.8(345)9.1x+9.2x+1.7=93.2(346)0.4x+2.4x+4.9=114.1(347)0.7x+5.6x+0.8=19.7(348)1x+2.1x+4=134.2(349)1x+0.2x+4=20.8(350)3.9x+8.3x+3.9=64.9(351)1x+0.9x+2.5=167.8(352)49x+29x+1.5=24.9(353)83x+76x+4.6=131.8(354)47x+11x+3.1=61.1(355)10x+11x+4.7=124.4(356)6x+10x+2.8=70(357)9x+5x+2.7=18.1(358)51x+56x+1.9=141(359)19x+4x+3.5=51.8(360)12x+88x+2.5=102.5(361)8.5x+3.1x-2.2=113.8(362)3.1x+2x-3.6=159.6(363)6.5x+2.2x-2.5=23.6(364)1.9x+1.1x-0.2=137.8(365)4.1x+3.7x-0.2=15.4(366)9.1x+8.5x-3.5=31.7(367)2.4x+7x-4.9=117.3(368)5x+7.4x-2.4=34.8(369)0.4x+2.2x-4=14.2(370)89x+67x-2.9=153.1(371)9x+49x-2.5=38.1(372)53x+52x-1.6=155.9(373)10x+56x-1.1=58.3(374)21x+26x-2.4=176.2(375)17x+26x-3.3=99.9(376)25x+27x-1.2=66.4(377)89x+48x-3.4=51.4(378)43x+89x-1.6=64.4(379)3.6x-2.3x+1.2=32.4(380)1.7x-1.3x+1=15(381)8.5x-1.5x+1.2=22.2(382)3.9x-2.2x+2=27.5(383)7.9x-5.9x+4.1=14.1(384)4.4x-1.4x+1.5=31.5(385)4.8x-3.6x+2.7=9.9(386)6.3x-5.2x+3.1=7.5(387)1.7x-1.1x+2.9=16.1(388)26x-22x+3=7(389)93x-91x+2.8=4(390)15x-9x+3.8=30.2(391)98x-52x+4.8=37(392)34x-5x+2.4=19.8(393)32x-3x+0.4=12(394)14x-7x+2.6=29.2(395)23x-7x+1.6=24(396)77x-20x+3.3=37.5(397)3.2x-1.8x-4.5=3.9(398)3.6x-1.4x-4.2=13.4(399)9.4x-2.9x-4.6=27.9(400)1.7x-1.5x-4.3=4.5(401)1x-0.4x-1=13.4(402)3.1x-2.2x-2.8=7.1(403)2.9x-0.3x-0.6=59.2(404)6.3x-5x-4.3=2.2(405)5.7x-5x-1.2=5.1(406)93x-19x-3.6=55.6(407)25x-8x-2.6=33.1(408)60x-42x-1.3=20.3(409)28x-5x-3.5=77(410)42x-18x-2.1=24.3(411)85x-64x-3.3=17.7(412)39x-31x-4.2=12.6(413)70x-39x-3.4=36.9(414)45x-24x-0.7=14(415)10x+56×3=258(416)4x+60×3=188(417)15x+4×2=143(418)29x+8×23=300(419)15x+50×4=290(420)4x+38×4=292(421)25x+23×3=244(422)12x+4×48=360(423)2x+2×12=54(424)5x-7×12=11(425)11x-3×42=39(426)9x-26×4=76(427)3x-19×2=100(428)29x-7×3=37(429)8x-4×17=60(430)5x-3×23=71(431)7x-4×10=16(432)4x-92×2=12(433)2.8x+0.2×3=14.6(434)3.7x+3.1×4=23.5(435)4.5x+0.6×26=29.1(436)0.7x+0.5×14=8.4(437)0.7x+0.5×6=17(438)1.1x+3.1×3=14.8(439)0.7x+1.1×18=33.8(440)0.4x+0.4×15=10.8(441)0.2x+1.7×3=9.5(442)34x+47×0.2=19.6(443)4x+14×1=14.8(444)12x+10×1.7=29(445)38x+4×4=27.4(446)30x+18×0.3=20.4(447)5x+33×0.3=13.9(448)2x+20×0.5=15.2(449)4x+5×1.7=27.7(450)6x+12×0.3=20.4(451)2.9x-0.9×13=2.8(452)2x-0.3×31=6.7(453)0.8x-2.6×4=9.6(454)0.6x-0.4×14=10.6(455)1.4x-0.7×5=4.9(456)0.8x-0.7×11=4.3(457)3.1x-3.3×2=12(458)0.4x-0.3×8=8(459)4.3x-0.9×7=2.3(460)35x-2×4=6(461)7x-35×0.2=7(462)9x-26×0.5=3.2(463)20x-28×0.2=14.4(464)32x-5×3.4=2.2(465)6x-3×4.3=3.3(466)7x-11×0.3=6.5(467)18x-3×0.8=10.2(468)20x-23×0.5=4.5(469)4(11x+9)=168(470)6(x+18)=198(471)4(x+25)=132(472)6(x+13)=168(473)3(2x+39)=135(474)3(5x+25)=180(475)2(x+47)=152(476)2(9x+38)=184(477)4(18x+3)=156(478)8(19x-43)=112(479)14(11x-42)=182(480)7(x-13)=154(481)3(14x-10)=138(482)13(x-26)=182(483)6(6x-24)=144(484)5(2x-8)=70(485)6(10x-36)=144(486)9(22x-30)=126(487)5(0.3x+0.8)=35.5(488)21(0.2x+1.3)=48.3(489)3(1.7x+9.1)=37.5(490)4(0.9x+5.2)=38.8(491)2(0.3x+3.1)=24.2(492)3(0.3x+2.7)=29.7(493)2(2.8x+9.5)=47(494)5(0.6x+0.2)=43(495)4(0.7x+1.2)=27.2(496)5(0.3x-0.3)=48(497)3(2.6x-8)=15(498)4(0.4x-0.2)=44(499)29(0.3x-4.6)=31.9(500)6(1.2x-9.6)=21.6(501)3(2.3x-8.2)=23.7(502)5(2.5x-6.3)=31(503)14(1.3x-1.2)=19.6(504)19(0.2x-5.8)=41.8(505)(4x+42)÷30=3(506)(10x+36)÷12=23(507)(10x+26)÷4=19(508)(6x+40)÷16=10(509)(x+21)÷2=18(510)(9x+27)÷7=9(511)(9x+30)÷15=14(512)(2x+22)÷8=8(513)(13x+44)÷32=3(514)(12x-18)÷30=3(515)(3x-41)÷23=2(516)(9x-30)÷12=14(517)(14x-26)÷3=38(518)(3x-6)÷12=4(519)(6x-46)÷17=4(520)(4x-41)÷5=11(521)(9x-43)÷22=5(522)(14x-8)÷45=2(523)(4.4x+8.9)÷9=9.3(524)(5.1x+6.2)÷19=1.4(525)(5.2x+9.7)÷25=3.3(526)(7.5x+7.1)÷4=7.4(527)(5.2x+9.9)÷5=15.5(528)(0.3x+5.5)÷38=0.2(529)(5.5x+7.1)÷3=31.7(530)(3.2x+9)÷6=6.3(531)(8.3x+0.2)÷8=10.4(532)(5.2x-9.1)÷13=1.7(533)(0.6x-2.8)÷2=2.5(534)(4.2x-2.4)÷2=19.8(535)(8.1x-8.8)÷14=4(536)(4.6x-5)÷8=10.3(537)(1.3x-5.9)÷2=2.9(538)(3.8x-5.3)÷5=3.5(539)(7.9x-4.5)÷35=1(540)(4.8x-9.6)÷16=3.9參考答案(1)x=46(2)x=3(3)x=77(4)x=74(5)x=90(6)x=40(7)x=48(8)x=56(9)x=23(10)x=42(11)x=95(12)x=93(13)x=51(14)x=43(15)x=57(16)x=45(17)x=43(18)x=99(19)x=4.2(20)x=8.3(21)x=7(22)x=2.6(23)x=2.2(24)x=4.8(25)x=6.2(26)x=6.6(27)x=6.9(28)x=8.5(29)x=6(30)x=8.1(31)x=8.9(32)x=5.7(33)x=6.3(34)x=9.7(35)x=9.1(36)x=4.6(37)x=73(38)x=58(39)x=2(40)x=67(41)x=35(42)x=89(43)x=86(44)x=64(45)x=44(46)x=35(47)x=14(48)x=22(49)x=15(50)x=13(51)x=11(52)x=5(53)x=22(54)x=32(55)x=3.5(56)x=7.7(57)x=9.4(58)x=6.1(59)x=7.5(60)x=2.6(61)x=9.2(62)x=5.6(63)x=4.8(64)x=2.2(65)x=8.4(66)x=1.5(67)x=2.5(68)x=1.8(69)x=0.4(70)x=0.6(71)x=0.2(72)x=1.9(73)x=13(74)x=22(75)x=3(76)x=5(77)x=27(78)x=93(79)x=6(80)x=18(81)x=5(82)x=4(83)x=6(84)x=12(85)x=9(86)x=54(87)x=3(88)x=12(89)x=6(90)x=25(91)x=0.3(92)x=0.2(93)x=0.3(94)x=0.6(95)x=0.3(96)x=0.2(97)x=0.5(98)x=2.6(99)x=9.4(100)x=17(101)x=29(102)x=22(103)x=4(104)x=17(105)x=46(106)x=3(107)x=2(108)x=10(109)x=11(110)x=11(111)x=27(112)x=16(113)x=20(114)x=2(115)x=6(116)x=7(117)x=17(118)x=128(119)x=192(120)x=133(121)x=34(122)x=84(123)x=120(124)x=162(125)x=180(126)x=120(127)x=2.6(128)x=12(129)x=7(130)x=18(131)x=10.5(132)x=8(133)x=4.4(134)x=14.7(135)x=7.5(136)x=11(137)x=9(138)x=6(139)x=25(140)x=6(141)x=2(142)x=45(143)x=3(144)x=3(145)x=24(146)x=84(147)x=59(148)x=11(149)x=4(150)x=29(151)x=4(152)x=16(153)x=8(154)x=1.2(155)x=1.2(156)x=0.2(157)x=3.2(158)x=10(159)x=0.2(160)x=1(161)x=0.4(162)x=0.2(163)x=8(164)x=14(165)x=14(166)x=4(167)x=15(168)x=6(169)x=84(170)x=35(171)x=24(172)x=2(173)x=8.8(174)x=6.4(175)x=2.6(176)x=5.6(177)x=5.5(178)x=0.2(179)x=1.5(180)x=0.3(181)x=6(182)x=5(183)x=30(184)x=6(185)x=6(186)x=14(187)x=26(188)x=49(189)x=3(190)x=23(191)x=6(192)x=87(193)x=6(194)x=8(195)x=75(196)x=58(197)x=12(198)x=2(199)x=20(200)x=3(201)x=18(202)x=30(203)x=2(204)x=22(205)x=2(206)x=10(207)x=4(208)x=93(209)x=36(210)x=5(211)x=19(212)x=5(213)x=19(214)x=5(215)x=3(216)x=2(217)x=0.3(218)x=0.9(219)x=2.4(220)x=0.2(221)x=1.2(222)x=0.5(223)x=1.3(224)x=2.1(225)x=0.3(226)x=8(227)x=18(228)x=52(229)x=15(230)x=8(231)x=9(232)x=7(233)x=7(234)x=4(235)x=2.8(236)x=1.7(237)x=0.2(238)x=1.1(239)x=1.1(240)x=1.3(241)x=0.3(242)x=6(243)x=1.8(244)x=3(245)x=10(246)x=2(247)x=9(248)x=6(249)x=3(250)x=45(251)x=3(252)x=2(253)x=28(254)x=28(255)x=5(256)x=54(257)x=15(258)x=4(259)x=2(260)x=60(261)x=40(262)x=0.6(263)x=9.1(264)x=0.4(265)x=0.7(266)x=0.2(267)x=4(268)x=6.5(269)x=9.8(270)x=4.4(271)x=17(272)x=19(273)x=10(274)x=5(275)x=8(276)x=15(277)x=2(278)x=10(279)x=9(280)x=6(281)x=11(282)x=7(283)x=13(284)x=5(285)x=25(286)x=5(287)x=4(288)x=15(289)x=10(290)x=19(291)x=3(292)x=4(293)x=37(294)x=18(295)x=8(296)x=5(297)x=12(298)x=5(299)x=16(300)x=11(301)x=8(302)x=3(303)x=5(304)x=7(305)x=5(306)x=2(307)x=20(308)x=3(309)x=9(310)x=5(311)x=6(312)x=6(313)x=3(314)x=16(315)x=5(316)x=7(317)x=11(318)x=15(319)x=8(320)x=4(321)x=20(322)x=4(323)x=5(324)x=15(325)x=11(326)x=8(327)x=9(328)x=27(329)x=5(330)x=13(331)x=16(332)x=8(333)x=6(334)x=6(335)x=26(336)x=7(337)x=7(338)x=38(339)x=9(340)x=20(341)x=25(342)x=10(343)x=8(344)x=9(345)x=5(346)x=39(347)x=3(348)x=42(349)x=14(350)x=5(351)x=87(352)x=0.3(353)x=0.8(354)x=1(355)x=5.7(356)x=4.2(357)x=1.1(358)x=1.3(359)x=2.1(360)x=1(361)x=10(362)x=32(363)x=3(364)x=46(365)x=2(366)x=2(367)x=13(368)x=3(369)x=7(370)x=1(371)x=0.7(372)x=1.5(373)x=0.9(374)x=3.8(375)x=2.4(376)x=1.3(377)x=0.4(378)x=0.5(379)x=24(380)x=35(381)x=3(382)x=15(383)x=5(384)x=10(385)x=6(386)x=4(387)x=22(388)x=1(389)x=0.6(390)x=4.4(391)x=0.7(392