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+9=29(2)x+95=161(3)x+9=71(4)x+65=107(5)x+86=107(6)x+54=120(7)x+33=53(8)x+13=80(9)x+75=80(10)x-54=15(11)x-28=45(12)x-24=63(13)x-32=44(14)x-36=45(15)x-4=81(16)x-10=75(17)x-55=33(18)x-3=75(19)x+2.1=8(20)x+6.1=8.3(21)x+7.3=9.6(22)x+0.8=10.7(23)x+9.8=10.1(24)x+9.2=15.3(25)x+9.9=12(26)x+9.7=14.3(27)x+8.7=12.6(28)x-3.4=5(29)x-0.8=1.6(30)x-0.5=2.6(31)x-3.4=4.3(32)x-1.5=2.1(33)x-0.3=5.6(34)x-0.5=8.6(35)x-4.2=5.7(36)x-1.7=4.3(37)41+x=93(38)30+x=92(39)85+x=175(40)68+x=91(41)47+x=119(42)43+x=135(43)7+x=37(44)55+x=94(45)75+x=126(46)99-x=90(47)81-x=24(48)80-x=48(49)74-x=58(50)49-x=21(51)35-x=29(52)82-x=41(53)81-x=54(54)40-x=35(55)2.4+x=8.7(56)3+x=7.4(57)1.8+x=9.3(58)2.5+x=3.3(59)6.2+x=13.3(60)6.3+x=7.1(61)1.2+x=10.6(62)6.4+x=14.8(63)7.3+x=10.4(64)8.6-x=8.3(65)4.6-x=1.6(66)9.3-x=2.5(67)8.8-x=2.5(68)9.7-x=4.8(69)7.6-x=3.7(70)6.6-x=2.3(71)8.7-x=2.8(72)9.2-x=5.4(73)7x=175(74)6x=144(75)73x=146(76)14x=168(77)6x=180(78)47x=141(79)3x=15(80)3x=114(81)17x=102(82)0.5x=8(83)0.7x=9.8(84)1.6x=19.2(85)0.2x=3.8(86)1.2x=2.4(87)6.5x=13(88)0.3x=8.4(89)0.5x=9.5(90)0.9x=14.4(91)6x=16.8(92)22x=13.2(93)13x=14.3(94)32x=12.8(95)37x=18.5(96)2x=14.2(97)16x=11.2(98)9x=6.3(99)7x=7.7(100)78÷x=3(101)140÷x=28(102)195÷x=15(103)104÷x=4(104)112÷x=28(105)52÷x=13(106)150÷x=15(107)168÷x=2(108)80÷x=2(109)17.2÷x=4.3(110)6.8÷x=0.2(111)12.6÷x=0.3(112)8.4÷x=1.2(113)15.9÷x=0.3(114)14.1÷x=4.7(115)8.1÷x=2.7(116)14.3÷x=1.3(117)6.8÷x=0.4(118)x÷38=4(119)x÷3=30(120)x÷34=2(121)x÷6=24(122)x÷3=48(123)x÷3=25(124)x÷17=4(125)x÷4=45(126)x÷18=7(127)x÷2=0.9(128)x÷2=3.4(129)x÷42=0.3(130)x÷4=4.9(131)x÷5=1.6(132)x÷18=0.7(133)x÷29=0.6(134)x÷5=0.3(135)x÷10=0.7(136)4x+24=188(137)3x+38=212(138)5x+22=67(139)42x+16=142(140)12x+49=97(141)21x+46=109(142)8x+11=123(143)7x+56=231(144)18x+19=163(145)6x-28=122(146)23x-36=102(147)4x-24=124(148)57x-11=160(149)3x-15=162(150)50x-27=173(151)11x-45=43(152)27x-58=131(153)2x-31=147(154)16x+5.3=21.3(155)53x+1.4=12(156)7x+5.5=23(157)2x+1.9=6.9(158)3x+2.5=17.8(159)9x+3.6=21.6(160)20x+3.2=23.2(161)8x+5.9=10.7(162)3x+1.6=12.4(163)0.3x+3.6=23.4(164)4.1x+3.2=15.5(165)2.2x+4.9=20.3(166)0.6x+1.1=5.9(167)0.6x+4.9=7.9(168)0.4x+3.8=15(169)0.3x+2.9=8.3(170)8.1x+1=17.2(171)0.3x+2.4=12.6(172)3x-2.3=7.3(173)29x-1.8=9.8(174)3x-1.2=9.9(175)2x-4.6=4.2(176)94x-2.5=16.3(177)33x-4.1=2.5(178)6x-3=4.2(179)4x-5.8=11(180)20x-5.3=10.7(181)9.9x-1=18.8(182)2.1x-4.2=2.1(183)0.2x-3.5=13.5(184)0.8x-3.5=10.9(185)0.3x-1.4=13(186)0.3x-1=6.2(187)1.9x-3.4=6.1(188)0.6x-3.6=1.8(189)6.4x-5.5=13.7(190)41+69x=179(191)162+8x=306(192)132+15x=267(193)116+10x=226(194)64+11x=152(195)194+12x=386(196)80+2x=132(197)148+3x=331(198)19+50x=119(199)82-11x=49(200)132-2x=62(201)197-35x=57(202)138-4x=66(203)181-9x=10(204)194-8x=122(205)148-10x=108(206)183-2x=111(207)123-4x=87(208)11.9+0.3x=24.5(209)10.1+0.2x=18.9(210)5.7+0.2x=10.5(211)7.5+0.4x=20.3(212)12.3+0.5x=17.8(213)1.7+0.2x=16.3(214)16+3x=34(215)14.5+0.3x=28(216)7.3+2.8x=15.7(217)10.7+36x=17.9(218)2.6+73x=17.2(219)15.8+14x=29.8(220)1.8+2x=6.4(221)7.4+12x=17(222)6+5x=11.5(223)5.2+2x=8.2(224)17.2+12x=19.6(225)5.9+19x=13.5(226)16.3-2x=10.3(227)17.1-1.1x=14.9(228)17.9-0.6x=13.1(229)6.8-0.2x=2(230)6.5-0.5x=3(231)17.7-4.1x=5.4(232)5.6-0.2x=2.8(233)15.3-1.7x=5.1(234)13.7-0.5x=6.2(235)13.9-6x=4.9(236)18.1-27x=7.3(237)18.7-2x=12.9(238)14-32x=4.4(239)16-5x=14.5(240)10-6x=2.8(241)13.7-10x=5.7(242)18.7-38x=7.3(243)18-2x=16.8(244)4x÷8=14(245)3x÷5=39(246)36x÷4=45(247)44x÷11=12(248)34x÷17=10(249)56x÷24=7(250)27x÷3=18(251)45x÷9=15(252)27x÷9=6(253)1.8x÷42=0.3(254)0.9x÷24=0.3(255)0.2x÷9=1.6(256)9.1x÷7=2.6(257)1.8x÷9=1.6(258)0.5x÷3=2(259)0.4x÷12=1.2(260)8.4x÷42=0.4(261)1.1x÷6=3.3(262)57x÷38=0.3(263)85x÷34=0.5(264)2x÷13=0.6(265)24x÷10=1.2(266)4x÷10=0.8(267)9x÷27=0.4(268)36x÷16=0.9(269)4x÷8=0.3(270)2x÷6=0.7(271)12x+7x=171(272)17x+3x=80(273)10x+12x=242(274)2x+3x=235(275)7x+10x=340(276)13x+17x=180(277)4x+12x=256(278)5x+9x=140(279)6x+7x=325(280)17x-9x=56(281)6x-2x=132(282)10x-3x=119(283)16x-5x=88(284)9x-3x=36(285)12x-2x=110(286)6x-2x=88(287)10x-6x=20(288)10x-7x=18(289)4.6x+5.6x=122.4(290)9.7x+6.2x=79.5(291)3.5x+3.2x=60.3(292)2.1x+8.1x=91.8(293)0.5x+6.7x=100.8(294)1.8x+0.4x=85.8(295)1.5x+8.3x=49(296)3.6x+4.5x=162(297)8.7x+1.3x=100(298)8.2x-4.3x=42.9(299)1.7x-0.9x=44(300)1.7x-0.7x=44(301)1.6x-0.9x=24.5(302)5.6x-3.4x=33(303)1.6x-0.9x=35(304)0.9x-0.3x=35.4(305)5.6x-0.6x=25(306)8x-4x=36(307)9x+8x+34=374(308)19x+16x+17=157(309)3x+5x+26=258(310)18x+3x+42=84(311)10x+4x+8=246(312)8x+5x+9=35(313)16x+11x+6=222(314)9x+15x+49=313(315)12x+9x+48=195(316)13x+12x-26=24(317)10x+12x-34=164(318)18x+15x-37=161(319)4x+6x-7=203(320)18x+15x-30=300(321)2x+14x-23=153(322)9x+14x-29=247(323)4x+3x-17=179(324)2x+7x-12=78(325)5x-2x+15=102(326)17x-5x+40=64(327)14x-12x+11=21(328)8x-2x+41=119(329)11x-2x+32=194(330)17x-13x+33=77(331)5x-2x+43=130(332)10x-3x+31=150(333)11x-8x+2=17(334)8x-3x-31=74(335)18x-2x-7=89(336)7x-2x-49=61(337)12x-3x-20=70(338)6x-2x-30=30(339)18x-4x-45=95(340)15x-9x-38=22(341)10x-5x-11=84(342)13x-2x-31=24(343)4x+4.1x+4.9=94(344)7.2x+8.5x+3.9=160.9(345)9x+5.2x+3.4=60.2(346)4x+2.6x+3.2=16.4(347)4.8x+9.2x+1.7=99.7(348)1.3x+0.9x+4.4=147.4(349)5x+3.4x+0.6=25.8(350)6.5x+7.3x+3.3=113.7(351)1.3x+5.7x+1=99(352)47x+82x+3.7=145.6(353)96x+41x+3.2=99.1(354)9x+3x+0.5=113.3(355)36x+92x+3.1=79.9(356)61x+17x+0.5=101.9(357)80x+77x+1=126.6(358)44x+38x+2.2=182.6(359)62x+71x+1.4=187.6(360)56x+59x+2.9=71.9(361)0.7x+3.7x-3.2=76(362)4.9x+4.8x-1.6=163.3(363)1.1x+3.2x-2.9=10(364)0.7x+3.2x-3=51.6(365)1.8x+2.4x-4.5=121.5(366)0.2x+1.7x-4.3=14.7(367)0.2x+0.7x-0.5=11.2(368)2.1x+2x-4.8=60.8(369)6.6x+3.7x-0.5=81.9(370)58x+41x-4.3=45.2(371)39x+49x-4.7=56.9(372)50x+7x-4.1=70(373)66x+34x-1.2=118.8(374)79x+7x-1.9=49.7(375)2x+7x-0.3=14.1(376)47x+53x-1.5=38.5(377)31x+43x-3.5=107.5(378)63x+35x-4.4=25(379)2.9x-0.7x+4.9=40.1(380)8.9x-4.6x+2.1=10.7(381)2.1x-1.9x+3.7=6.5(382)8.2x-3.3x+3.5=28(383)7.3x-2.3x+4.4=64.4(384)8.5x-4.6x+3.5=15.2(385)7x-6x+3.9=14.9(386)8.5x-8.3x+1.7=2.7(387)1.8x-0.9x+3.9=50.7(388)39x-9x+2.6=71.6(389)65x-12x+4.5=78.7(390)97x-54x+4.6=34.7(391)44x-19x+1=56(392)89x-2x+4.9=65.8(393)46x-11x+0.3=35.3(394)93x-70x+3.5=19.6(395)99x-47x+4.2=19.8(396)85x-45x+1.5=33.5(397)7.9x-0.5x-2=27.6(398)1.3x-1x-3.3=15.3(399)3.3x-0.4x-1.9=59(400)4.8x-1x-3.5=15.5(401)0.9x-0.2x-1.9=17(402)1.6x-0.8x-4.3=18.9(403)5.3x-2.6x-1.8=6.3(404)4.1x-2.9x-2.3=25.3(405)5x-2.2x-4.5=40.3(406)85x-49x-4.1=24.7(407)70x-8x-3.1=40.3(408)57x-15x-1=28.4(409)66x-51x-1.2=9.3(410)59x-38x-3.8=13(411)65x-22x-0.9=16.3(412)32x-24x-2.2=10.6(413)60x-27x-2.5=17.3(414)46x-18x-3.6=41.2(415)14x+9×21=343(416)5x+2×22=209(417)13x+6×26=273(418)3x+3×26=135(419)5x+4×10=190(420)22x+8×17=312(421)2x+4×34=254(422)3x+5×22=134(423)3x+9×19=198(424)3x-3×47=24(425)15x-4×2=157(426)15x-2×15=75(427)19x-32×2=126(428)6x-41×3=33(429)6x-2×57=24(430)2x-6×20=22(431)3x-2×39=84(432)24x-7×2=58(433)4.5x+0.4×42=25.8(434)3.1x+3.9×4=34.2(435)1.2x+3.4×3=16.2(436)3.8x+1×5=20.2(437)4.2x+2.5×6=31.8(438)0.5x+1.5×4=23.5(439)2.5x+1.4×9=27.6(440)2.8x+3.4×2=18(441)4x+0.2×3=16.6(442)10x+44×0.4=33.6(443)14x+9×2=22.2(444)4x+12×1.1=18(445)46x+30×0.2=24.4(446)13x+2×2.7=23.6(447)7x+5×3.5=32.9(448)5x+6×1=9.5(449)4x+3×3.8=27.8(450)3x+47×0.2=21.4(451)1.7x-0.2×29=12.9(452)2.3x-4.8×2=6.5(453)0.6x-0.3×30=9(454)4.5x-1.3×11=3.7(455)0.8x-0.7×5=14.1(456)0.9x-0.4×20=2.8(457)2.1x-0.9×6=3(458)3.6x-1.2×9=3.6(459)1.7x-0.2×6=12.4(460)9x-9×0.5=15.3(461)8x-37×0.2=10.2(462)24x-17×0.6=9(463)10x-12×0.8=6.4(464)18x-22×0.3=4.2(465)33x-4×4.6=1.4(466)5x-5×2.2=1(467)3x-10×0.5=4.6(468)4x-7×0.4=3.2(469)3(2x+26)=138(470)2(x+28)=66(471)3(3x+20)=159(472)2(15x+21)=162(473)5(x+28)=190(474)2(2x+15)=98(475)9(x+9)=198(476)2(2x+27)=90(477)2(9x+8)=178(478)16(8x-28)=192(479)4(28x-17)=156(480)3(5x-44)=138(481)3(11x-15)=120(482)14(2x-45)=182(483)3(3x-25)=42(484)3(25x-39)=108(485)4(x-13)=92(486)6(10x-18)=72(487)2(2.6x+7.4)=35.6(488)3(0.5x+9.7)=42.6(489)9(0.5x+2.5)=40.5(490)2(0.2x+3.3)=22.6(491)2(0.2x+9.6)=21.2(492)3(1.1x+5.9)=44.1(493)5(1.7x+3.2)=50(494)2(0.8x+6.9)=37.8(495)2(0.3x+0.9)=29.4(496)2(1.7x-3.1)=27.8(497)9(1.6x-6.9)=24.3(498)8(1.9x-5.8)=14.4(499)2(0.8x-2.8)=28(500)2(2.3x-5.5)=2.8(501)4(4x-2.7)=21.2(502)2(6.3x-5.8)=38.8(503)2(0.4x-9.2)=3.2(504)12(0.2x-0.7)=39.6(505)(4x+22)÷6=15(506)(4x+5)÷3=23(507)(4x+32)÷40=1(508)(x+25)÷7=7(509)(12x+22)÷2=59(510)(4x+22)÷2=33(511)(11x+14)÷2=139(512)(7x+49)÷3=21(513)(3x+35)÷7=14(514)(12x-10)÷14=7(515)(8x-18)÷5=38(516)(17x-43)÷5=22(517)(15x-41)÷22=7(518)(6x-20)÷11=14(519)(11x-43)÷24=6(520)(13x-16)÷31=2(521)(10x-44)÷2=68(522)(13x-39)÷13=5(523)(x+9.7)÷3=4.9(524)(5.4x+2.7)÷9=2.7(525)(7.7x+2.3)÷4=10.2(526)(9x+3.3)÷3=16.1(527)(5.6x+7.4)÷22=1.1(528)(6.8x+4.4)÷8=3.1(529)(5.5x+7.5)÷37=0.5(530)(4.3x+2.5)÷3=20.9(531)(1.6x+6.6)÷27=0.6(532)(2.8x-7.6)÷2=15.8(533)(5.1x-6.4)÷14=1(534)(5.2x-6.3)÷3=23.9(535)(2.2x-8.4)÷8=1.7(536)(0.6x-0.9)÷3=1.3(537)(9.8x-6.2)÷4=20.5(538)(8.7x-5.1)÷3=4.1(539)(9.1x-9.8)÷17=2.1(540)(1.3x-6.2)÷20=0.6參考答案(1)x=20(2)x=66(3)x=62(4)x=42(5)x=21(6)x=66(7)x=20(8)x=67(9)x=5(10)x=69(11)x=73(12)x=87(13)x=76(14)x=81(15)x=85(16)x=85(17)x=88(18)x=78(19)x=5.9(20)x=2.2(21)x=2.3(22)x=9.9(23)x=0.3(24)x=6.1(25)x=2.1(26)x=4.6(27)x=3.9(28)x=8.4(29)x=2.4(30)x=3.1(31)x=7.7(32)x=3.6(33)x=5.9(34)x=9.1(35)x=9.9(36)x=6(37)x=52(38)x=62(39)x=90(40)x=23(41)x=72(42)x=92(43)x=30(44)x=39(45)x=51(46)x=9(47)x=57(48)x=32(49)x=16(50)x=28(51)x=6(52)x=41(53)x=27(54)x=5(55)x=6.3(56)x=4.4(57)x=7.5(58)x=0.8(59)x=7.1(60)x=0.8(61)x=9.4(62)x=8.4(63)x=3.1(64)x=0.3(65)x=3(66)x=6.8(67)x=6.3(68)x=4.9(69)x=3.9(70)x=4.3(71)x=5.9(72)x=3.8(73)x=25(74)x=24(75)x=2(76)x=12(77)x=30(78)x=3(79)x=5(80)x=38(81)x=6(82)x=16(83)x=14(84)x=12(85)x=19(86)x=2(87)x=2(88)x=28(89)x=19(90)x=16(91)x=2.8(92)x=0.6(93)x=1.1(94)x=0.4(95)x=0.5(96)x=7.1(97)x=0.7(98)x=0.7(99)x=1.1(100)x=26(101)x=5(102)x=13(103)x=26(104)x=4(105)x=4(106)x=10(107)x=84(108)x=40(109)x=4(110)x=34(111)x=42(112)x=7(113)x=53(114)x=3(115)x=3(116)x=11(117)x=17(118)x=152(119)x=90(120)x=68(121)x=144(122)x=144(123)x=75(124)x=68(125)x=180(126)x=126(127)x=1.8(128)x=6.8(129)x=12.6(130)x=19.6(131)x=8(132)x=12.6(133)x=17.4(134)x=1.5(135)x=7(136)x=41(137)x=58(138)x=9(139)x=3(140)x=4(141)x=3(142)x=14(143)x=25(144)x=8(145)x=25(146)x=6(147)x=37(148)x=3(149)x=59(150)x=4(151)x=8(152)x=7(153)x=89(154)x=1(155)x=0.2(156)x=2.5(157)x=2.5(158)x=5.1(159)x=2(160)x=1(161)x=0.6(162)x=3.6(163)x=66(164)x=3(165)x=7(166)x=8(167)x=5(168)x=28(169)x=18(170)x=2(171)x=34(172)x=3.2(173)x=0.4(174)x=3.7(175)x=4.4(176)x=0.2(177)x=0.2(178)x=1.2(179)x=4.2(180)x=0.8(181)x=2(182)x=3(183)x=85(184)x=18(185)x=48(186)x=24(187)x=5(188)x=9(189)x=3(190)x=2(191)x=18(192)x=9(193)x=11(194)x=8(195)x=16(196)x=26(197)x=61(198)x=2(199)x=3(200)x=35(201)x=4(202)x=18(203)x=19(204)x=9(205)x=4(206)x=36(207)x=9(208)x=42(209)x=44(210)x=24(211)x=32(212)x=11(213)x=73(214)x=6(215)x=45(216)x=3(217)x=0.2(218)x=0.2(219)x=1(220)x=2.3(221)x=0.8(222)x=1.1(223)x=1.5(224)x=0.2(225)x=0.4(226)x=3(227)x=2(228)x=8(229)x=24(230)x=7(231)x=3(232)x=14(233)x=6(234)x=15(235)x=1.5(236)x=0.4(237)x=2.9(238)x=0.3(239)x=0.3(240)x=1.2(241)x=0.8(242)x=0.3(243)x=0.6(244)x=28(245)x=65(246)x=5(247)x=3(248)x=5(249)x=3(250)x=2(251)x=3(252)x=2(253)x=7(254)x=8(255)x=72(256)x=2(257)x=8(258)x=12(259)x=36(260)x=2(261)x=18(262)x=0.2(263)x=0.2(264)x=3.9(265)x=0.5(266)x=2(267)x=1.2(268)x=0.4(269)x=0.6(270)x=2.1(271)x=9(272)x=4(273)x=11(274)x=47(275)x=20(276)x=6(277)x=16(278)x=10(279)x=25(280)x=7(281)x=33(282)x=17(283)x=8(284)x=6(285)x=11(286)x=22(287)x=5(288)x=6(289)x=12(290)x=5(291)x=9(292)x=9(293)x=14(294)x=39(295)x=5(296)x=20(297)x=10(298)x=11(299)x=55(300)x=44(301)x=35(302)x=15(303)x=50(304)x=59(305)x=5(306)x=9(307)x=20(308)x=4(309)x=29(310)x=2(311)x=17(312)x=2(313)x=8(314)x=11(315)x=7(316)x=2(317)x=9(318)x=6(319)x=21(320)x=10(321)x=11(322)x=12(323)x=28(324)x=10(325)x=29(326)x=2(327)x=5(328)x=13(329)x=18(330)x=11(331)x=29(332)x=17(333)x=5(334)x=21(335)x=6(336)x=22(337)x=10(338)x=15(339)x=10(340)x=10(341)x=19(342)x=5(343)x=11(344)x=10(345)x=4(346)x=2(347)x=7(348)x=65(349)x=3(350)x=8(351)x=14(352)x=1.1(353)x=0.7(354)x=9.4(355)x=0.6(356)x=1.3(357)x=0.8(358)x=2.2(359)x=1.4(360)x=0.6(361)x=18(362)x=17(363)x=3(364)x=14(365)x=30(366)x=10(367)x=13(368)x=16(369)x=8(370)x=0.5(371)x=0.7(372)x=1.3(373)x=1.2(374)x=0.6(375)x=1.6(376)x=0.4(377)x=1.5(378)x=0.3(379)x=16(380)x=2(381)x=14(382)x=5(383)x=12(384)x=3(385)x=11(386)x=5(387)x=52(388)x=2.3(389)x=1.4(390)x=0.7(391)x=