五年級數(shù)學(xué)(方程)習(xí)題及答案

五年級數(shù)學(xué)(方程)習(xí)題及答案(1)x+12=49(2)x+67=143(3)x+86=154(4)x+87=137(5)x+85=171(6)x+61=142(7)x+73=119(8)x+70=80(9)x+81=166(10)x-3=90(11)x-20=66(12)x-25=39(13)x-2=69(14)x-8=24(15)x-56=26(16)x-21=76(17)x-77=18(18)x-18=58(19)x+5.9=8.5(20)x+6.6=13.8(21)x+5.3=9.3(22)x+7.8=16.5(23)x+9.9=17.3(24)x+1.1=3(25)x+2.4=9.5(26)x+2=4.8(27)x+6.8=8.6(28)x-1.4=3.8(29)x-0.8=3.6(30)x-2.8=5.8(31)x-0.8=7.2(32)x-3.1=4.8(33)x-5.7=1.7(34)x-2.6=3.2(35)x-0.3=8.2(36)x-6.4=3.5(37)32+x=128(38)11+x=86(39)98+x=190(40)19+x=85(41)14+x=29(42)55+x=139(43)85+x=127(44)12+x=46(45)67+x=69(46)84-x=52(47)94-x=72(48)62-x=17(49)85-x=52(50)35-x=18(51)46-x=11(52)92-x=14(53)35-x=17(54)81-x=50(55)7.2+x=14.3(56)5.1+x=12.3(57)3.4+x=6.2(58)9.3+x=10.9(59)4.1+x=10.2(60)2.2+x=5.4(61)1.8+x=4.4(62)2.4+x=7(63)4.1+x=7.6(64)6.9-x=3.8(65)8.4-x=1(66)6.6-x=1.4(67)8-x=3.3(68)5.5-x=2.1(69)9.1-x=8.4(70)2.9-x=2.2(71)8.3-x=6.1(72)2.4-x=2.1(73)5x=130(74)23x=69(75)59x=118(76)58x=116(77)7x=112(78)4x=188(79)7x=161(80)2x=64(81)5x=105(82)0.8x=16.8(83)0.2x=14.4(84)0.2x=4.4(85)5.5x=11(86)3.3x=16.5(87)0.2x=10(88)0.4x=8.4(89)2.4x=4.8(90)0.5x=13(91)22x=15.4(92)89x=17.8(93)2x=3.6(94)2x=9.6(95)3x=12.6(96)25x=17.5(97)3x=6(98)2x=3.4(99)65x=13(100)40÷x=2(101)121÷x=11(102)114÷x=19(103)16÷x=4(104)132÷x=6(105)54÷x=3(106)164÷x=41(107)96÷x=4(108)120÷x=20(109)19.6÷x=1.4(110)10÷x=0.2(111)7.6÷x=3.8(112)9.8÷x=4.9(113)18÷x=1.2(114)3.2÷x=0.2(115)16.2÷x=1.8(116)17.8÷x=0.2(117)7.2÷x=0.9(118)x÷20=5(119)x÷16=4(120)x÷10=16(121)x÷77=2(122)x÷86=2(123)x÷17=5(124)x÷9=22(125)x÷10=18(126)x÷63=2(127)x÷27=0.3(128)x÷24=0.6(129)x÷25=0.6(130)x÷2=1.6(131)x÷29=0.5(132)x÷8=2.4(133)x÷30=0.4(134)x÷5=1.9(135)x÷7=0.6(136)4x+33=89(137)12x+35=131(138)4x+30=90(139)2x+59=223(140)46x+45=183(141)6x+57=231(142)37x+13=198(143)19x+41=155(144)24x+47=167(145)30x-37=83(146)5x-35=165(147)13x-35=95(148)9x-58=95(149)8x-15=25(150)6x-36=30(151)12x-50=10(152)16x-24=168(153)80x-31=129(154)4x+4.5=11.7(155)5x+5.2=6.7(156)18x+2.8=6.4(157)12x+1.9=15.1(158)4x+2.5=12.1(159)5x+1.9=18.4(160)13x+2.5=20.7(161)7x+2.7=14.6(162)6x+3.4=10(163)0.7x+3.3=12.4(164)0.5x+2.8=20.8(165)4.7x+3.4=17.5(166)1.1x+4.5=22.1(167)1.9x+2.6=10.2(168)8.9x+5.2=23(169)2.8x+5.6=14(170)0.8x+1.1=2.7(171)3x+1.3=7.3(172)2x-1.1=16.9(173)43x-5=7.9(174)18x-3.2=5.8(175)4x-5.7=8.7(176)20x-4.6=3.4(177)25x-3.7=16.3(178)3x-3.9=7.2(179)39x-3.4=16.1(180)40x-5.7=10.3(181)4.1x-1.4=10.9(182)7.3x-1.8=12.8(183)1.2x-5.6=2.8(184)0.2x-2=17.6(185)0.3x-4.8=15(186)1.4x-4=14.2(187)2.1x-4=6.5(188)2.3x-2.4=16(189)0.6x-4.1=3.1(190)10+2x=122(191)91+22x=245(192)164+8x=260(193)88+27x=196(194)55+7x=202(195)103+13x=142(196)34+2x=42(197)143+2x=241(198)104+11x=192(199)123-2x=35(200)179-20x=119(201)121-27x=13(202)165-7x=11(203)106-6x=40(204)96-36x=24(205)199-6x=175(206)98-21x=56(207)136-11x=114(208)3.7+1x=9.7(209)11.9+4.7x=26(210)13.6+0.5x=26.6(211)9.5+0.3x=15.2(212)15.2+0.4x=22(213)19.8+0.9x=38.7(214)16.9+2.1x=27.4(215)13.6+0.2x=16.4(216)2.5+1.1x=5.8(217)8.6+18x=23(218)12.3+3x=13.5(219)3.6+22x=10.2(220)12.5+10x=23.5(221)12+7x=18.3(222)13.2+2x=26.8(223)5+5x=21.5(224)7+40x=19(225)13.8+29x=28.3(226)19-0.2x=9(227)8.4-1.8x=3(228)15.4-2.9x=9.6(229)9.2-0.2x=1(230)8.1-0.2x=4.1(231)6.9-0.4x=3.3(232)14.3-0.3x=13.1(233)17.8-0.2x=3.8(234)3.7-0.3x=3.1(235)10.3-14x=6.1(236)17.9-2x=5.7(237)15.9-2x=2.3(238)15.1-60x=3.1(239)18.8-25x=3.8(240)15.2-4x=10.4(241)13.6-6x=7.6(242)18.8-6x=6.8(243)6.2-5x=3.7(244)2x÷10=13(245)6x÷3=46(246)7x÷14=11(247)3x÷9=9(248)66x÷18=11(249)2x÷14=13(250)15x÷27=5(251)18x÷9=12(252)6x÷18=11(253)9.3x÷31=0.6(254)2.1x÷42=0.2(255)0.6x÷34=0.3(256)3.5x÷20=0.7(257)0.2x÷39=0.4(258)3.9x÷78=0.2(259)0.7x÷2=4.2(260)0.2x÷11=1.6(261)7x÷20=0.7(262)2x÷4=0.5(263)72x÷12=1.2(264)3x÷90=0.2(265)2x÷6=0.4(266)18x÷12=1.5(267)18x÷9=1.2(268)12x÷40=0.3(269)19x÷57=0.2(270)6x÷9=0.8(271)6x+17x=207(272)4x+15x=95(273)11x+4x=195(274)19x+18x=148(275)5x+6x=187(276)4x+19x=161(277)6x+2x=64(278)7x+2x=216(279)13x+7x=80(280)12x-6x=90(281)18x-15x=12(282)15x-11x=24(283)14x-12x=14(284)16x-3x=143(285)19x-10x=63(286)16x-2x=70(287)9x-4x=30(288)12x-4x=128(289)4.7x+4.6x=111.6(290)5x+1.3x=107.1(291)5.1x+4.3x=141(292)0.4x+1.3x=32.3(293)6.7x+1.5x=90.2(294)0.7x+6.4x=35.5(295)9.1x+3.3x=49.6(296)9.1x+2.5x=58(297)3.1x+2.6x=131.1(298)5.3x-4.5x=3.2(299)3.4x-0.3x=71.3(300)3.3x-2.8x=14.5(301)4.2x-3.3x=11.7(302)6.7x-6.3x=5.6(303)7.7x-2.2x=38.5(304)5.2x-3.5x=23.8(305)6.9x-2.5x=57.2(306)9.9x-2.4x=45(307)14x+18x+18=146(308)6x+5x+29=359(309)9x+7x+2=322(310)4x+17x+13=202(311)4x+5x+37=181(312)3x+9x+13=97(313)11x+5x+45=269(314)9x+4x+37=76(315)8x+6x+6=174(316)3x+19x-29=81(317)4x+11x-35=220(318)7x+3x-25=55(319)6x+15x-17=151(320)9x+2x-45=197(321)10x+13x-6=339(322)4x+12x-9=119(323)12x+7x-2=93(324)14x+2x-16=80(325)9x-7x+49=91(326)10x-2x+15=55(327)19x-13x+27=63(328)14x-7x+37=79(329)13x-10x+23=38(330)11x-4x+49=161(331)15x-2x+34=73(332)9x-7x+34=46(333)15x-6x+41=86(334)13x-3x-17=123(335)9x-2x-46=80(336)13x-9x-38=22(337)13x-5x-28=52(338)10x-3x-18=101(339)11x-6x-2=48(340)9x-4x-12=93(341)11x-4x-46=38(342)16x-3x-3=49(343)0.5x+6.2x+2.5=29.3(344)3x+4.1x+3.7=152.8(345)3.8x+1.5x+3.9=30.4(346)3.1x+6.9x+0.7=120.7(347)0.2x+8.9x+0.7=46.2(348)0.7x+1.7x+2.9=17.3(349)4x+7.5x+0.6=127.1(350)1x+3.7x+4.4=98.4(351)4x+3.3x+3.3=47.1(352)47x+36x+2.2=110.1(353)2x+21x+4=36.2(354)38x+40x+4.3=51.1(355)10x+9x+4.7=46.5(356)80x+19x+2.4=61.8(357)9x+23x+2.2=88.6(358)72x+76x+1.6=194(359)29x+8x+2.9=54.7(360)23x+86x+4.9=70.3(361)5.4x+2.1x-3.9=63.6(362)2.5x+6.7x-4.1=78.7(363)6.9x+8.6x-2.9=105.6(364)0.2x+3.8x-4.1=23.9(365)2.9x+9.9x-4.1=72.7(366)4.2x+9.5x-2.3=52.5(367)7.4x+4.2x-4.2=135(368)1.9x+7.5x-3.4=100(369)5.3x+6.2x-3=112(370)93x+24x-0.9=45.9(371)20x+9x-1.5=137.7(372)5x+8x-1=77(373)8x+22x-2.8=48.2(374)66x+52x-2.3=80.3(375)51x+32x-2.6=47.2(376)24x+11x-1.9=92.6(377)26x+23x-3.5=99.4(378)32x+27x-2.2=145.3(379)6.7x-3.3x+3.8=14(380)7x-5.4x+0.8=8.8(381)7.7x-4.7x+2.4=32.4(382)3.5x-3.1x+3=10.6(383)8.2x-4.6x+1.5=8.7(384)8.8x-2x+2=76.8(385)5.2x-1.7x+0.7=11.2(386)4.4x-2x+1.3=30.1(387)9.6x-1.1x+0.4=51.4(388)65x-19x+4.7=59.9(389)80x-55x+3.1=25.6(390)88x-14x+1.5=31.1(391)51x-28x+3.3=28.6(392)32x-17x+1.8=46.8(393)83x-32x+4=29.5(394)70x-18x+3.9=24.7(395)22x-13x+1.7=39.5(396)23x-21x+3.4=11.2(397)8.1x-5.8x-4.9=13.5(398)1.2x-0.2x-0.7=12.3(399)5.9x-1.8x-1.9=39.1(400)8.7x-4.2x-3.3=5.7(401)9.6x-5.3x-3.2=14(402)8.1x-3.8x-1.4=45.9(403)3.1x-2x-4.5=6.5(404)9.2x-6.1x-0.7=8.6(405)2.8x-0.6x-3.3=20.9(406)86x-68x-2.2=12.2(407)33x-8x-3.1=54.4(408)38x-14x-4.5=26.7(409)39x-29x-1.4=18.6(410)93x-60x-2.7=23.7(411)28x-2x-4.2=73.8(412)10x-6x-4.6=7.4(413)29x-11x-2=21.4(414)91x-84x-2.3=2.6(415)25x+3×64=317(416)2x+3×35=155(417)13x+6×26=286(418)10x+2×37=204(419)2x+60×3=262(420)3x+12×3=111(421)2x+2×29=90(422)3x+5×17=175(423)3x+2×84=261(424)3x-40×3=33(425)19x-4×12=142(426)26x-7×24=14(427)16x-11×8=72(428)3x-4×6=120(429)2x-18×3=22(430)3x-3×2=126(431)29x-45×2=84(432)10x-24×4=104(433)3.5x+0.6×33=37.3(434)1.4x+0.3×38=15.6(435)2.3x+2.1×2=13.4(436)1.1x+0.7×27=27.7(437)0.7x+2.8×4=12.6(438)1.3x+1.2×10=19.8(439)0.5x+0.4×45=37(440)0.2x+3.6×4=16.8(441)0.8x+0.6×21=22.2(442)29x+2×4.6=17.9(443)5x+23×0.7=25.1(444)7x+27×0.7=32.2(445)4x+19×1=32.2(446)5x+5×4=37(447)2x+17×0.4=14.4(448)18x+4×2.8=22(449)7x+6×1.6=13.1(450)4x+27×0.4=22.4(451)1x-0.4×22=10.2(452)0.5x-1.4×9=2.4(453)2.5x-4.2×2=1.6(454)1.5x-1.8×3=6.6(455)0.3x-1.3×5=7.6(456)1.8x-1.8×2=5.4(457)0.8x-0.3×17=7.7(458)3.6x-1.1×5=1.7(459)1.1x-0.4×17=2(460)16x-6×0.5=11.4(461)3x-2×1.9=7.3(462)5x-33×0.2=1.9(463)25x-4×1.2=12.7(464)15x-6×1.7=4.8(465)12x-17×0.2=3.8(466)48x-28×0.3=10.8(467)7x-11×1.4=4.2(468)38x-5×1.7=10.5(469)3(5x+12)=126(470)3(x+34)=189(471)4(3x+11)=128(472)2(x+43)=112(473)2(x+18)=52(474)2(x+40)=146(475)4(x+31)=140(476)8(x+7)=128(477)7(x+2)=42(478)6(7x-30)=156(479)2(5x-37)=116(480)5(27x-45)=180(481)7(7x-8)=189(482)12(x-18)=180(483)6(x-8)=198(484)2(20x-47)=66(485)5(6x-42)=60(486)2(2x-35)=106(487)2(3.3x+9.4)=32(488)2(0.4x+9.9)=27.8(489)5(1.7x+1.9)=26.5(490)3(0.2x+1.3)=10.5(491)2(0.7x+8.7)=32.8(492)3(2.5x+4.7)=44.1(493)10(0.3x+3.2)=50(494)13(0.7x+0.4)=32.5(495)8(0.7x+0.5)=20.8(496)6(1.9x-4.3)=8.4(497)4(5.2x-3.6)=27.2(498)3(0.3x-0.5)=40.8(499)6(0.8x-5.6)=24(500)16(0.2x-1)=44.8(501)3(3.6x-1.8)=37.8(502)2(0.8x-0.6)=46.8(503)3(1.1x-2.4)=48.9(504)14(2.1x-9.4)=44.8(505)(6x+42)÷6=14(506)(3x+23)÷4=11(507)(8x+4)÷10=22(508)(19x+41)÷24=12(509)(9x+36)÷3=42(510)(4x+3)÷3=37(511)(x+28)÷4=13(512)(7x+42)÷34=7(513)(7x+20)÷11=5(514)(5x-20)÷21=5(515)(10x-22)÷7=14(516)(13x-37)÷3=31(517)(16x-2)÷3=10(518)(5x-48)÷9=8(519)(10x-10)÷20=12(520)(2x-30)÷4=6(521)(6x-18)÷4=30(522)(7x-27)÷4=9(523)(9.4x+7.2)÷2=27.1(524)(4.2x+6.8)÷8=6.1(525)(0.8x+8)÷28=0.8(526)(4.2x+9.8)÷13=5.6(527)(8.4x+7)÷17=1.4(528)(5x+6)÷26=3.5(529)(4.2x+6)÷6=9.4(530)(9.1x+7.9)÷4=17.9(531)(0.4x+6.5)÷39=0.3(532)(5x-9.4)÷8=5.7(533)(9.4x-4.9)÷3=20.3(534)(1.5x-6.4)÷28=0.2(535)(5x-8.9)÷21=4.1(536)(2.5x-4)÷22=0.5(537)(7.8x-6.8)÷4=17.8(538)(9.8x-5.6)÷11=8.4(539)(2.9x-9.3)÷4=1.3(540)(3.8x-2)÷4=3.3參考答案(1)x=37(2)x=76(3)x=68(4)x=50(5)x=86(6)x=81(7)x=46(8)x=10(9)x=85(10)x=93(11)x=86(12)x=64(13)x=71(14)x=32(15)x=82(16)x=97(17)x=95(18)x=76(19)x=2.6(20)x=7.2(21)x=4(22)x=8.7(23)x=7.4(24)x=1.9(25)x=7.1(26)x=2.8(27)x=1.8(28)x=5.2(29)x=4.4(30)x=8.6(31)x=8(32)x=7.9(33)x=7.4(34)x=5.8(35)x=8.5(36)x=9.9(37)x=96(38)x=75(39)x=92(40)x=66(41)x=15(42)x=84(43)x=42(44)x=34(45)x=2(46)x=32(47)x=22(48)x=45(49)x=33(50)x=17(51)x=35(52)x=78(53)x=18(54)x=31(55)x=7.1(56)x=7.2(57)x=2.8(58)x=1.6(59)x=6.1(60)x=3.2(61)x=2.6(62)x=4.6(63)x=3.5(64)x=3.1(65)x=7.4(66)x=5.2(67)x=4.7(68)x=3.4(69)x=0.7(70)x=0.7(71)x=2.2(72)x=0.3(73)x=26(74)x=3(75)x=2(76)x=2(77)x=16(78)x=47(79)x=23(80)x=32(81)x=21(82)x=21(83)x=72(84)x=22(85)x=2(86)x=5(87)x=50(88)x=21(89)x=2(90)x=26(91)x=0.7(92)x=0.2(93)x=1.8(94)x=4.8(95)x=4.2(96)x=0.7(97)x=2(98)x=1.7(99)x=0.2(100)x=20(101)x=11(102)x=6(103)x=4(104)x=22(105)x=18(106)x=4(107)x=24(108)x=6(109)x=14(110)x=50(111)x=2(112)x=2(113)x=15(114)x=16(115)x=9(116)x=89(117)x=8(118)x=100(119)x=64(120)x=160(121)x=154(122)x=172(123)x=85(124)x=198(125)x=180(126)x=126(127)x=8.1(128)x=14.4(129)x=15(130)x=3.2(131)x=14.5(132)x=19.2(133)x=12(134)x=9.5(135)x=4.2(136)x=14(137)x=8(138)x=15(139)x=82(140)x=3(141)x=29(142)x=5(143)x=6(144)x=5(145)x=4(146)x=40(147)x=10(148)x=17(149)x=5(150)x=11(151)x=5(152)x=12(153)x=2(154)x=1.8(155)x=0.3(156)x=0.2(157)x=1.1(158)x=2.4(159)x=3.3(160)x=1.4(161)x=1.7(162)x=1.1(163)x=13(164)x=36(165)x=3(166)x=16(167)x=4(168)x=2(169)x=3(170)x=2(171)x=2(172)x=9(173)x=0.3(174)x=0.5(175)x=3.6(176)x=0.4(177)x=0.8(178)x=3.7(179)x=0.5(180)x=0.4(181)x=3(182)x=2(183)x=7(184)x=98(185)x=66(186)x=13(187)x=5(188)x=8(189)x=12(190)x=56(191)x=7(192)x=12(193)x=4(194)x=21(195)x=3(196)x=4(197)x=49(198)x=8(199)x=44(200)x=3(201)x=4(202)x=22(203)x=11(204)x=2(205)x=4(206)x=2(207)x=2(208)x=6(209)x=3(210)x=26(211)x=19(212)x=17(213)x=21(214)x=5(215)x=14(216)x=3(217)x=0.8(218)x=0.4(219)x=0.3(220)x=1.1(221)x=0.9(222)x=6.8(223)x=3.3(224)x=0.3(225)x=0.5(226)x=50(227)x=3(228)x=2(229)x=41(230)x=20(231)x=9(232)x=4(233)x=70(234)x=2(235)x=0.3(236)x=6.1(237)x=6.8(238)x=0.2(239)x=0.6(240)x=1.2(241)x=1(242)x=2(243)x=0.5(244)x=65(245)x=23(246)x=22(247)x=27(248)x=3(249)x=91(250)x=9(251)x=6(252)x=33(253)x=2(254)x=4(255)x=17(256)x=4(257)x=78(258)x=4(259)x=12(260)x=88(261)x=2(262)x=1(263)x=0.2(264)x=6(265)x=1.2(266)x=1(267)x=0.6(268)x=1(269)x=0.6(270)x=1.2(271)x=9(272)x=5(273)x=13(274)x=4(275)x=17(276)x=7(277)x=8(278)x=24(279)x=4(280)x=15(281)x=4(282)x=6(283)x=7(284)x=11(285)x=7(286)x=5(287)x=6(288)x=16(289)x=12(290)x=17(291)x=15(292)x=19(293)x=11(294)x=5(295)x=4(296)x=5(297)x=23(298)x=4(299)x=23(300)x=29(301)x=13(302)x=14(303)x=7(304)x=14(305)x=13(306)x=6(307)x=4(308)x=30(309)x=20(310)x=9(311)x=16(312)x=7(313)x=14(314)x=3(315)x=12(316)x=5(317)x=17(318)x=8(319)x=8(320)x=22(321)x=15(322)x=8(323)x=5(324)x=6(325)x=21(326)x=5(327)x=6(328)x=6(329)x=5(330)x=16(331)x=3(332)x=6(333)x=5(334)x=14(335)x=18(336)x=15(337)x=10(338)x=17(339)x=10(340)x=21(341)x=12(342)x=4(343)x=4(344)x=21(345)x=5(346)x=12(347)x=5(348)x=6(349)x=11(350)x=20(351)x=6(352)x=1.3(353)x=1.4(354)x=0.6(355)x=2.2(356)x=0.6(357)x=2.7(358)x=1.3(359)x=1.4(360)x=0.6(361)x=9(362)x=9(363)x=7(364)x=7(365)x=6(366)x=4(367)x=12(368)x=11(369)x=10(370)x=0.4(371)x=4.8(372)x=6(373)x=1.7(374)x=0.7(375)x=0.6(376)x=2.7(377)x=2.1(378)x=2.5(379)x=3(380)x=5(381)x=10(382)x=19(383)x=2(384)x=11(385)x=3(386)x=12(387)x=6(388)x=1.2(389)x=0.9(390)x=0.4(391)x=1.1(392