五年級數學(方程)習題及答案

五年級數學(方程)習題及答案(1)x+99=154(2)x+41=106(3)x+79=122(4)x+67=123(5)x+91=168(6)x+93=183(7)x+38=58(8)x+14=113(9)x+38=121(10)x-44=43(11)x-4=26(12)x-61=27(13)x-7=28(14)x-3=17(15)x-49=31(16)x-24=58(17)x-26=64(18)x-59=10(19)x+7.9=13.4(20)x+3.2=11.4(21)x+3=12.8(22)x+3.6=9.7(23)x+3.8=5.3(24)x+2.9=3.1(25)x+7.8=11.7(26)x+4.2=10.8(27)x+0.8=8.1(28)x-4.5=2.4(29)x-3.8=4.6(30)x-1.4=2.5(31)x-1.4=7.6(32)x-6.1=3.2(33)x-2.4=1.2(34)x-1.5=5.7(35)x-2.7=6.9(36)x-0.6=7.9(37)52+x=139(38)32+x=43(39)49+x=73(40)27+x=92(41)16+x=24(42)65+x=88(43)29+x=113(44)5+x=42(45)52+x=108(46)78-x=68(47)40-x=11(48)59-x=56(49)88-x=48(50)88-x=37(51)88-x=19(52)82-x=35(53)64-x=33(54)93-x=24(55)6.8+x=9.4(56)2.5+x=10.8(57)7.9+x=12.8(58)8.2+x=14.8(59)0.6+x=4.3(60)0.4+x=4.4(61)8.2+x=14.2(62)1.4+x=3.4(63)3.4+x=11.9(64)9.7-x=4.1(65)9.4-x=4.1(66)9.7-x=5.1(67)4.8-x=1.8(68)5.5-x=4.9(69)9.2-x=4.2(70)8.6-x=6.7(71)8.8-x=1(72)9-x=2.6(73)30x=90(74)2x=138(75)4x=152(76)12x=108(77)5x=45(78)55x=165(79)4x=200(80)41x=82(81)28x=56(82)1.4x=15.4(83)2.2x=11(84)0.2x=0.8(85)0.4x=16(86)3.4x=13.6(87)0.2x=6.2(88)0.5x=16(89)3x=9(90)0.3x=9(91)70x=14(92)2x=1.4(93)18x=7.2(94)37x=18.5(95)2x=12.4(96)15x=3(97)42x=12.6(98)2x=4.6(99)2x=13(100)56÷x=7(101)52÷x=13(102)130÷x=2(103)66÷x=6(104)130÷x=10(105)28÷x=7(106)78÷x=39(107)144÷x=48(108)72÷x=4(109)4.8÷x=0.4(110)19.2÷x=2.4(111)12.6÷x=4.2(112)10.8÷x=0.6(113)19÷x=1.9(114)4.5÷x=0.3(115)17.4÷x=0.6(116)18.9÷x=0.3(117)3.2÷x=0.2(118)x÷23=3(119)x÷8=16(120)x÷4=28(121)x÷35=5(122)x÷27=5(123)x÷12=9(124)x÷24=4(125)x÷33=2(126)x÷44=4(127)x÷3=0.8(128)x÷2=2.8(129)x÷7=2.3(130)x÷26=0.7(131)x÷34=0.4(132)x÷12=0.5(133)x÷14=1(134)x÷30=0.6(135)x÷32=0.4(136)2x+35=77(137)2x+41=45(138)5x+25=170(139)4x+29=117(140)50x+53=253(141)37x+55=240(142)7x+21=126(143)11x+44=143(144)22x+13=79(145)6x-42=114(146)11x-17=38(147)2x-42=78(148)20x-37=143(149)63x-18=171(150)22x-13=185(151)3x-40=113(152)5x-27=113(153)36x-46=134(154)13x+5.9=22.8(155)2x+3.6=18(156)4x+4.4=10.8(157)3x+4.1=15.5(158)3x+2.2=3.1(159)9x+5.7=8.4(160)2x+1=15.4(161)77x+2.2=17.6(162)2x+2.2=6.4(163)6.4x+4=23.2(164)1.2x+1.9=17.5(165)0.5x+1.4=3.9(166)0.5x+1.5=19(167)0.8x+3=7(168)1.5x+4.3=20.8(169)0.2x+1.2=12(170)0.2x+2.8=21.2(171)0.4x+4.2=16.6(172)6x-2.7=15.3(173)34x-4.1=12.9(174)7x-3.3=10.7(175)4x-2.3=4.5(176)9x-3.8=12.4(177)2x-4.5=3.5(178)3x-3.6=11.1(179)18x-1.3=7.7(180)10x-4.4=6.6(181)1.2x-2=12.4(182)2.6x-5.6=7.4(183)2.2x-1.5=2.9(184)0.4x-4=7.2(185)0.7x-1.9=4.4(186)2.7x-4.8=8.7(187)6.8x-4.4=9.2(188)0.3x-2.9=16(189)1.5x-4.9=5.6(190)91+2x=131(191)193+28x=277(192)82+3x=175(193)41+4x=77(194)21+2x=191(195)111+2x=117(196)147+98x=343(197)156+44x=288(198)46+76x=198(199)110-37x=36(200)68-3x=23(201)74-4x=50(202)173-3x=101(203)153-3x=114(204)199-5x=84(205)193-32x=65(206)154-5x=74(207)179-24x=83(208)6.4+2.4x=20.8(209)13.5+6.8x=27.1(210)9.6+1.9x=28.6(211)8.5+0.5x=19.5(212)6.4+0.5x=24.4(213)12.3+0.5x=19.3(214)2.1+0.3x=7.2(215)11.2+2.4x=28(216)16.6+0.6x=36.4(217)12+5x=20(218)15.8+5x=30.8(219)10+2x=24.6(220)8.9+2x=22.7(221)3.8+2x=5.4(222)7.9+4x=13.5(223)18.8+4x=21.6(224)13.4+16x=29.4(225)6.1+30x=15.1(226)17.9-0.2x=11.9(227)8.5-0.3x=3.1(228)12-1.1x=3.2(229)17.4-0.3x=15.3(230)9.8-0.6x=5.6(231)19.8-1.6x=13.4(232)16.6-1.8x=11.2(233)14.6-3.8x=7(234)5.5-1.3x=2.9(235)16.1-5x=1.1(236)2.2-2x=1.6(237)17.9-2x=13.5(238)13-5x=10(239)19.3-8x=12.1(240)16.6-2x=1.2(241)10.7-2x=10.3(242)5.2-3x=1.3(243)17.4-5x=13.9(244)50x÷5=30(245)36x÷27=4(246)24x÷12=6(247)2x÷6=9(248)22x÷33=4(249)21x÷35=3(250)6x÷24=2(251)3x÷17=6(252)2x÷5=14(253)0.5x÷15=0.3(254)5.6x÷84=0.2(255)0.2x÷5=2(256)1x÷45=0.4(257)1.5x÷3=4.5(258)3.3x÷22=0.9(259)4.8x÷32=0.6(260)1x÷8=2(261)0.7x÷2=2.8(262)10x÷5=2.2(263)75x÷25=0.6(264)12x÷36=0.3(265)8x÷24=0.4(266)20x÷2=4(267)20x÷10=1.2(268)11x÷77=0.2(269)32x÷64=0.2(270)6x÷8=0.9(271)15x+6x=42(272)4x+12x=208(273)17x+13x=210(274)5x+10x=30(275)5x+18x=138(276)10x+4x=168(277)6x+12x=90(278)5x+12x=238(279)9x+2x=176(280)8x-4x=44(281)7x-5x=24(282)11x-9x=34(283)19x-14x=50(284)10x-4x=48(285)18x-8x=90(286)18x-10x=48(287)9x-2x=98(288)9x-5x=48(289)0.6x+4.1x=51.7(290)3x+0.7x=81.4(291)2.4x+7.9x=41.2(292)9.9x+3.9x=124.2(293)4.5x+2.3x=88.4(294)9.1x+3.9x=78(295)0.8x+9x=49(296)3x+6.6x=86.4(297)4.4x+6.5x=76.3(298)8.1x-4.8x=36.3(299)4.1x-2.6x=30(300)5.8x-2.9x=43.5(301)1.8x-1.6x=6.2(302)1.9x-0.2x=34(303)3.8x-0.4x=68(304)4.9x-2.4x=37.5(305)5.3x-1.4x=35.1(306)4x-0.5x=52.5(307)4x+3x+31=374(308)7x+6x+36=361(309)13x+15x+13=349(310)4x+6x+17=287(311)4x+9x+41=171(312)2x+4x+37=313(313)18x+12x+17=167(314)3x+5x+23=215(315)14x+8x+24=68(316)2x+3x-49=86(317)13x+7x-10=90(318)6x+18x-48=216(319)7x+5x-41=199(320)12x+19x-33=29(321)17x+19x-44=28(322)8x+13x-19=107(323)11x+18x-10=48(324)16x+12x-14=182(325)5x-2x+15=117(326)15x-8x+43=113(327)19x-12x+25=81(328)8x-5x+6=45(329)18x-11x+6=62(330)11x-8x+39=87(331)6x-3x+27=111(332)9x-5x+4=16(333)11x-6x+13=33(334)12x-4x-41=63(335)12x-3x-12=33(336)16x-8x-10=30(337)11x-5x-18=18(338)16x-9x-31=53(339)10x-3x-47=58(340)11x-2x-37=89(341)7x-3x-12=88(342)12x-3x-40=50(343)1.4x+4.8x+4.6=54.2(344)8.6x+8.7x+0.3=86.8(345)3.3x+9.6x+2.7=80.1(346)0.2x+7.2x+3.2=32.8(347)5.4x+3x+3.3=95.7(348)3x+1.3x+4.8=26.3(349)1.6x+1.3x+0.2=180(350)1.1x+0.4x+3.8=81.8(351)0.2x+0.3x+4.3=51.8(352)9x+6x+0.9=143.4(353)11x+5x+2.2=26.2(354)20x+17x+1.7=90.5(355)60x+26x+1.9=19.1(356)6x+11x+2=153.3(357)29x+61x+4.3=112.3(358)24x+85x+3.7=36.4(359)71x+55x+0.8=152(360)28x+32x+4.3=70.3(361)3.4x+4.2x-1.8=59(362)4.6x+1.4x-2.5=123.5(363)1.4x+0.9x-0.4=54.8(364)3.5x+0.4x-2.8=106.4(365)1.9x+6.1x-4.7=59.3(366)0.9x+2.3x-1=136.6(367)1.1x+5.5x-0.4=26(368)1.6x+1.2x-2.8=128.8(369)6.5x+0.7x-2.5=26.3(370)27x+2x-2.5=55.5(371)66x+58x-3.9=157.3(372)7x+13x-1.6=94.4(373)7x+72x-3.4=12.4(374)30x+32x-1.1=11.3(375)9x+13x-3.1=98.1(376)33x+26x-1.7=163.5(377)23x+72x-0.4=104.1(378)76x+75x-2.4=133.5(379)2.8x-2x+2.7=8.3(380)2.5x-1.5x+3.5=11.5(381)7.8x-1.2x+1.7=61.1(382)9.1x-1.5x+3.5=26.3(383)9.6x-5.1x+4.3=13.3(384)4.2x-1.9x+1.5=15.3(385)2.2x-1.1x+3.2=14.2(386)2.8x-1.2x+0.2=14.6(387)0.6x-0.4x+3.8=6.6(388)85x-56x+2.2=22.5(389)19x-7x+0.2=19.4(390)9x-3x+0.7=38.5(391)59x-52x+3.6=7.1(392)15x-3x+4.9=36.1(393)53x-38x+1.7=22.7(394)85x-38x+2=30.2(395)33x-15x+3.5=10.7(396)38x-25x+2.1=35.9(397)5x-3.2x-2.2=26.6(398)0.9x-0.5x-4.3=31.3(399)9.8x-6x-0.4=33.8(400)2.7x-0.4x-3.1=38.3(401)7.3x-2.2x-4.7=5.5(402)3.7x-2.1x-4.6=11.4(403)1.5x-1.2x-1.6=15.8(404)4x-3x-4=9(405)5.3x-3.1x-4.9=14.9(406)38x-13x-2.3=7.7(407)64x-44x-4.5=25.5(408)92x-45x-0.5=37.1(409)73x-5x-0.7=87.7(410)80x-18x-3.1=40.3(411)65x-7x-3.1=43.3(412)96x-53x-1.3=37.4(413)53x-19x-0.7=46.9(414)41x-35x-3=6(415)6x+5×23=271(416)6x+4×25=154(417)13x+14×9=152(418)17x+12×3=189(419)2x+2×93=278(420)18x+2×41=226(421)3x+39×3=198(422)26x+50×3=228(423)8x+15×10=254(424)24x-5×21=39(425)4x-42×2=96(426)3x-18×4=63(427)2x-19×6=82(428)7x-9×13=58(429)15x-25×3=30(430)3x-3×46=60(431)5x-2×13=119(432)18x-14×3=48(433)0.3x+0.9×21=21.6(434)1.5x+0.4×6=21.9(435)0.2x+0.4×31=21.6(436)0.4x+0.4×43=22(437)1.8x+0.5×7=21.5(438)3.1x+0.2×5=7.2(439)0.2x+1.5×5=8.9(440)0.5x+0.5×32=30(441)0.3x+1.4×2=7.9(442)2x+24×0.4=15(443)2x+29×0.3=13.5(444)6x+2×2.9=13(445)5x+17×0.4=15.3(446)44x+15×0.4=14.8(447)31x+2×1.8=22.2(448)5x+17×1=20(449)12x+12×0.9=27.6(450)25x+15×1.2=33(451)4.2x-2×2=12.8(452)0.2x-1.2×3=5.6(453)4.6x-1.3×5=2.7(454)4.4x-0.2×13=15(455)2.2x-4.9×2=5.6(456)3.1x-4.3×2=3.8(457)0.6x-1.4×2=14.6(458)1.5x-0.2×4=18.7(459)0.6x-1×4=4.4(460)4x-5×1.7=1.5(461)11x-2×4.8=9.1(462)10x-2×1.7=2.6(463)19x-15×0.5=9.6(464)28x-7×0.3=14.7(465)2x-4×1=5.2(466)5x-18×0.5=1(467)49x-46×0.2=5.5(468)12x-5×1=8.2(469)4(7x+11)=100(470)2(8x+7)=110(471)4(3x+22)=160(472)3(6x+5)=177(473)2(5x+19)=168(474)3(7x+3)=156(475)4(2x+4)=104(476)4(x+10)=188(477)4(x+18)=136(478)2(3x-46)=82(479)19(3x-47)=190(480)6(3x-32)=132(481)3(17x-7)=132(482)5(7x-36)=135(483)13(2x-25)=195(484)4(5x-25)=200(485)11(3x-32)=110(486)3(x-15)=63(487)2(1.2x+2.2)=28.4(488)2(0.4x+5.9)=36.6(489)2(9.9x+1.5)=42.6(490)4(4.7x+1.4)=43.2(491)3(0.3x+8.2)=41.7(492)3(0.2x+0.5)=15.9(493)2(0.3x+5.3)=20.8(494)2(2.4x+9.9)=29.4(495)2(0.4x+8.1)=27.4(496)5(1.1x-0.9)=17.5(497)2(1.7x-5.7)=29.4(498)10(3.2x-9.5)=33(499)22(2.9x-7.2)=33(500)27(1.1x-1.8)=40.5(501)23(2.6x-3.5)=39.1(502)8(0.2x-5.7)=26.4(503)16(0.5x-3)=40(504)3(7.9x-7.8)=47.7(505)(13x+27)÷34=5(506)(3x+4)÷2=14(507)(12x+20)÷4=74(508)(8x+46)÷6=21(509)(4x+4)÷3=8(510)(13x+3)÷6=7(511)(4x+16)÷17=4(512)(17x+5)÷3=81(513)(15x+49)÷2=92(514)(x-8)÷15=1(515)(7x-34)÷40=3(516)(15x-30)÷2=90(517)(14x-4)÷30=5(518)(5x-9)÷29=4(519)(12x-48)÷44=3(520)(6x-6)÷13=12(521)(6x-9)÷9=7(522)(3x-31)÷2=25(523)(7.4x+6.9)÷7=10.5(524)(3.8x+9.2)÷12=3.3(525)(6.8x+5.4)÷14=3.3(526)(5.8x+0.9)÷11=4.3(527)(6.8x+0.8)÷4=18.9(528)(1.8x+4.5)÷9=2.3(529)(4.9x+8.8)÷8=6(530)(5.5x+7.2)÷4=23.8(531)(9.4x+9.8)÷27=2.8(532)(7.3x-1.2)÷8=3.5(533)(2.8x-8.8)÷31=0.8(534)(5.6x-5.9)÷5=3.3(535)(9.8x-3.2)÷5=17(536)(8.4x-4.2)÷27=1.4(537)(6.1x-1.8)÷4=2.6(538)(4.9x-3.3)÷12=3.4(539)(2.3x-6.7)÷5=5.1(540)(3.9x-2.4)÷6=11.3參考答案(1)x=55(2)x=65(3)x=43(4)x=56(5)x=77(6)x=90(7)x=20(8)x=99(9)x=83(10)x=87(11)x=30(12)x=88(13)x=35(14)x=20(15)x=80(16)x=82(17)x=90(18)x=69(19)x=5.5(20)x=8.2(21)x=9.8(22)x=6.1(23)x=1.5(24)x=0.2(25)x=3.9(26)x=6.6(27)x=7.3(28)x=6.9(29)x=8.4(30)x=3.9(31)x=9(32)x=9.3(33)x=3.6(34)x=7.2(35)x=9.6(36)x=8.5(37)x=87(38)x=11(39)x=24(40)x=65(41)x=8(42)x=23(43)x=84(44)x=37(45)x=56(46)x=10(47)x=29(48)x=3(49)x=40(50)x=51(51)x=69(52)x=47(53)x=31(54)x=69(55)x=2.6(56)x=8.3(57)x=4.9(58)x=6.6(59)x=3.7(60)x=4(61)x=6(62)x=2(63)x=8.5(64)x=5.6(65)x=5.3(66)x=4.6(67)x=3(68)x=0.6(69)x=5(70)x=1.9(71)x=7.8(72)x=6.4(73)x=3(74)x=69(75)x=38(76)x=9(77)x=9(78)x=3(79)x=50(80)x=2(81)x=2(82)x=11(83)x=5(84)x=4(85)x=40(86)x=4(87)x=31(88)x=32(89)x=3(90)x=30(91)x=0.2(92)x=0.7(93)x=0.4(94)x=0.5(95)x=6.2(96)x=0.2(97)x=0.3(98)x=2.3(99)x=6.5(100)x=8(101)x=4(102)x=65(103)x=11(104)x=13(105)x=4(106)x=2(107)x=3(108)x=18(109)x=12(110)x=8(111)x=3(112)x=18(113)x=10(114)x=15(115)x=29(116)x=63(117)x=16(118)x=69(119)x=128(120)x=112(121)x=175(122)x=135(123)x=108(124)x=96(125)x=66(126)x=176(127)x=2.4(128)x=5.6(129)x=16.1(130)x=18.2(131)x=13.6(132)x=6(133)x=14(134)x=18(135)x=12.8(136)x=21(137)x=2(138)x=29(139)x=22(140)x=4(141)x=5(142)x=15(143)x=9(144)x=3(145)x=26(146)x=5(147)x=60(148)x=9(149)x=3(150)x=9(151)x=51(152)x=28(153)x=5(154)x=1.3(155)x=7.2(156)x=1.6(157)x=3.8(158)x=0.3(159)x=0.3(160)x=7.2(161)x=0.2(162)x=2.1(163)x=3(164)x=13(165)x=5(166)x=35(167)x=5(168)x=11(169)x=54(170)x=92(171)x=31(172)x=3(173)x=0.5(174)x=2(175)x=1.7(176)x=1.8(177)x=4(178)x=4.9(179)x=0.5(180)x=1.1(181)x=12(182)x=5(183)x=2(184)x=28(185)x=9(186)x=5(187)x=2(188)x=63(189)x=7(190)x=20(191)x=3(192)x=31(193)x=9(194)x=85(195)x=3(196)x=2(197)x=3(198)x=2(199)x=2(200)x=15(201)x=6(202)x=24(203)x=13(204)x=23(205)x=4(206)x=16(207)x=4(208)x=6(209)x=2(210)x=10(211)x=22(212)x=36(213)x=14(214)x=17(215)x=7(216)x=33(217)x=1.6(218)x=3(219)x=7.3(220)x=6.9(221)x=0.8(222)x=1.4(223)x=0.7(224)x=1(225)x=0.3(226)x=30(227)x=18(228)x=8(229)x=7(230)x=7(231)x=4(232)x=3(233)x=2(234)x=2(235)x=3(236)x=0.3(237)x=2.2(238)x=0.6(239)x=0.9(240)x=7.7(241)x=0.2(242)x=1.3(243)x=0.7(244)x=3(245)x=3(246)x=3(247)x=27(248)x=6(249)x=5(250)x=8(251)x=34(252)x=35(253)x=9(254)x=3(255)x=50(256)x=18(257)x=9(258)x=6(259)x=4(260)x=16(261)x=8(262)x=1.1(263)x=0.2(264)x=0.9(265)x=1.2(266)x=0.4(267)x=0.6(268)x=1.4(269)x=0.4(270)x=1.2(271)x=2(272)x=13(273)x=7(274)x=2(275)x=6(276)x=12(277)x=5(278)x=14(279)x=16(280)x=11(281)x=12(282)x=17(283)x=10(284)x=8(285)x=9(286)x=6(287)x=14(288)x=12(289)x=11(290)x=22(291)x=4(292)x=9(293)x=13(294)x=6(295)x=5(296)x=9(297)x=7(298)x=11(299)x=20(300)x=15(301)x=31(302)x=20(303)x=20(304)x=15(305)x=9(306)x=15(307)x=49(308)x=25(309)x=12(310)x=27(311)x=10(312)x=46(313)x=5(314)x=24(315)x=2(316)x=27(317)x=5(318)x=11(319)x=20(320)x=2(321)x=2(322)x=6(323)x=2(324)x=7(325)x=34(326)x=10(327)x=8(328)x=13(329)x=8(330)x=16(331)x=28(332)x=3(333)x=4(334)x=13(335)x=5(336)x=5(337)x=6(338)x=12(339)x=15(340)x=14(341)x=25(342)x=10(343)x=8(344)x=5(345)x=6(346)x=4(347)x=11(348)x=5(349)x=62(350)x=52(351)x=95(352)x=9.5(353)x=1.5(354)x=2.4(355)x=0.2(356)x=8.9(357)x=1.2(358)x=0.3(359)x=1.2(360)x=1.1(361)x=8(362)x=21(363)x=24(364)x=28(365)x=8(366)x=43(367)x=4(368)x=47(369)x=4(370)x=2(371)x=1.3(372)x=4.8(373)x=0.2(374)x=0.2(375)x=4.6(376)x=2.8(377)x=1.1(378)x=0.9(379)x=7(380)x=8(381)x=9(382)x=3(383)x=2(384)x=6(385)x=10(386)x=9(387)x=14(388)x=0.7(389)x=1.6(390)x=6.3(391)x=0.5(392)x=2.6(39