五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案

五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案(1)x+14=53(2)x+24=50(3)x+35=117(4)x+49=60(5)x+12=65(6)x+71=93(7)x+65=121(8)x+86=123(9)x+79=165(10)x-21=32(11)x-39=52(12)x-10=81(13)x-19=65(14)x-7=13(15)x-38=50(16)x-71=12(17)x-47=46(18)x-6=11(19)x+4.6=11.8(20)x+7.5=8.5(21)x+7.6=8.9(22)x+2.9=6.5(23)x+8.7=16.4(24)x+5.9=8.4(25)x+5.2=14.6(26)x+3.1=8.2(27)x+4.5=11.1(28)x-2.7=5(29)x-5=3.1(30)x-1.7=4.6(31)x-6.6=1.4(32)x-4.2=3.5(33)x-7.7=1.3(34)x-4.4=3.3(35)x-6.5=3.3(36)x-2.1=5.9(37)90+x=125(38)49+x=68(39)58+x=103(40)89+x=109(41)87+x=136(42)84+x=154(43)89+x=101(44)14+x=55(45)94+x=174(46)55-x=16(47)77-x=29(48)83-x=63(49)53-x=21(50)30-x=15(51)69-x=10(52)43-x=34(53)94-x=14(54)61-x=59(55)5+x=13.2(56)5.2+x=12(57)7.7+x=11.9(58)0.9+x=4.9(59)4.4+x=9.4(60)3+x=12.9(61)9.3+x=14(62)8.3+x=9.8(63)3+x=6.3(64)5.6-x=4(65)8.8-x=7.9(66)6.1-x=5.7(67)1.9-x=1(68)2.1-x=1.2(69)7.2-x=4.2(70)5.9-x=2.1(71)6.8-x=5.9(72)3-x=1.5(73)10x=140(74)7x=154(75)23x=46(76)30x=60(77)63x=126(78)15x=105(79)50x=200(80)3x=162(81)2x=8(82)0.8x=8.8(83)0.5x=5.5(84)0.9x=9(85)1.2x=8.4(86)1.2x=15.6(87)1.8x=18(88)1.3x=3.9(89)0.9x=18(90)0.7x=18.2(91)54x=10.8(92)48x=9.6(93)3x=14.4(94)7x=19.6(95)93x=18.6(96)85x=17(97)31x=12.4(98)5x=18.5(99)7x=2.1(100)40÷x=8(101)84÷x=3(102)164÷x=4(103)143÷x=13(104)161÷x=7(105)147÷x=49(106)72÷x=2(107)128÷x=32(108)105÷x=5(109)8÷x=4(110)6.5÷x=1.3(111)10.8÷x=1.8(112)17.4÷x=0.3(113)13.4÷x=0.2(114)12.6÷x=1.4(115)3÷x=1(116)19.2÷x=1.2(117)10.8÷x=0.4(118)x÷2=8(119)x÷30=6(120)x÷11=16(121)x÷5=38(122)x÷7=2(123)x÷67=2(124)x÷4=39(125)x÷5=19(126)x÷56=3(127)x÷9=0.2(128)x÷4=2(129)x÷28=0.7(130)x÷26=0.4(131)x÷45=0.4(132)x÷2=2.3(133)x÷17=0.3(134)x÷2=3.8(135)x÷44=0.3(136)33x+38=203(137)5x+58=223(138)2x+32=164(139)8x+30=198(140)18x+44=98(141)17x+50=101(142)2x+26=114(143)42x+47=173(144)13x+14=209(145)54x-10=98(146)6x-39=27(147)3x-34=104(148)32x-20=76(149)11x-19=58(150)55x-23=87(151)90x-58=122(152)33x-38=160(153)56x-13=155(154)10x+5.3=23.3(155)95x+2.8=21.8(156)22x+2.6=7(157)70x+4.7=18.7(158)7x+2.1=3.5(159)2x+3.7=10.3(160)18x+5.1=23.1(161)4x+4.6=18.6(162)17x+1.9=5.3(163)1.3x+3.7=20.6(164)6x+3.4=21.4(165)0.2x+5.2=15.4(166)3.8x+1.9=17.1(167)0.4x+5=17.4(168)3.5x+2=16(169)0.2x+2.2=10.4(170)0.7x+4.4=8.6(171)0.4x+1.3=16.5(172)99x-4.7=15.1(173)28x-1.5=9.7(174)48x-5.2=14(175)5x-1.6=10.9(176)73x-1.8=12.8(177)61x-5.6=6.6(178)3x-5.2=8.3(179)15x-4.2=4.8(180)4x-4.1=2.7(181)4.1x-1.2=7(182)0.4x-3.5=8.9(183)4.7x-1.3=12.8(184)0.2x-1.4=3.4(185)0.4x-3.5=3.3(186)1.6x-1.9=17.3(187)4.7x-3.6=15.2(188)5.5x-2.6=13.9(189)0.7x-3.3=14.2(190)18+48x=162(191)198+16x=278(192)44+2x=54(193)28+8x=172(194)22+4x=214(195)174+5x=259(196)106+10x=156(197)147+5x=277(198)112+36x=256(199)197-45x=62(200)125-37x=14(201)122-13x=44(202)117-14x=75(203)180-7x=75(204)178-48x=82(205)49-2x=17(206)150-2x=56(207)56-2x=46(208)8+6x=26(209)16.6+0.2x=22.8(210)13.7+9.8x=33.3(211)1.9+0.2x=17.5(212)13.7+5.7x=30.8(213)7.7+0.6x=23.9(214)7.2+1.9x=20.5(215)3.6+0.7x=23.2(216)10.7+0.2x=21.5(217)11.5+8x=20.3(218)19.8+3x=23.7(219)16.4+8x=18(220)6.4+2x=7.6(221)3.6+4x=6.8(222)2.4+2x=6.2(223)2.8+45x=11.8(224)10.6+6x=28(225)8.2+8x=22.6(226)10.4-0.4x=1.6(227)11.1-4.9x=1.3(228)16.6-0.7x=1.2(229)14.8-0.3x=5.5(230)12.5-1.1x=3.7(231)19.4-1.3x=12.9(232)13.8-0.2x=8.2(233)13.5-1x=8.5(234)9.3-0.2x=8.1(235)13.4-17x=8.3(236)18.7-2x=16.5(237)10.8-6x=9(238)15.7-3x=5.8(239)17.7-3x=15(240)16.4-3x=8.9(241)9.2-6x=2.6(242)14.2-2x=1.6(243)18.4-9x=8.5(244)20x÷10=12(245)34x÷17=6(246)4x÷24=3(247)42x÷3=28(248)11x÷5=22(249)5x÷15=9(250)10x÷34=5(251)33x÷15=11(252)3x÷2=39(253)3x÷5=1.8(254)0.3x÷19=0.6(255)3x÷5=1.2(256)0.2x÷16=1(257)1.3x÷26=0.3(258)1.1x÷33=0.5(259)0.7x÷70=0.2(260)0.8x÷2=2.4(261)0.8x÷3=4(262)15x÷5=0.6(263)3x÷15=1.2(264)3x÷12=0.6(265)2x÷4=3.1(266)18x÷6=2.7(267)10x÷9=2(268)49x÷7=2.1(269)3x÷7=2.4(270)48x÷6=1.6(271)16x+13x=145(272)4x+3x=203(273)5x+8x=260(274)5x+6x=22(275)3x+10x=78(276)9x+12x=294(277)5x+16x=189(278)19x+5x=192(279)19x+11x=210(280)11x-6x=15(281)9x-3x=30(282)11x-9x=32(283)17x-6x=77(284)8x-2x=150(285)6x-4x=14(286)18x-15x=18(287)10x-5x=35(288)16x-7x=54(289)1.2x+5.5x=40.2(290)4x+5.4x=150.4(291)3.8x+3.1x=34.5(292)2.6x+7.6x=20.4(293)1.7x+4.4x=115.9(294)2.6x+1.6x=126(295)1.3x+0.5x=108(296)6x+9.6x=62.4(297)3.6x+0.7x=47.3(298)2.3x-1.8x=14.5(299)3.7x-3.4x=5.4(300)0.7x-0.3x=2(301)5.9x-4.7x=6(302)8.4x-2.7x=51.3(303)3.3x-1.6x=5.1(304)9.9x-1.3x=77.4(305)2.4x-2.2x=2.8(306)5.1x-1.4x=70.3(307)11x+4x+2=212(308)7x+6x+10=296(309)17x+14x+4=283(310)13x+15x+6=202(311)17x+18x+34=209(312)16x+13x+34=382(313)18x+7x+17=267(314)14x+2x+19=83(315)18x+19x+49=271(316)5x+12x-23=11(317)16x+2x-23=121(318)6x+13x-24=52(319)4x+3x-5=233(320)3x+8x-22=209(321)9x+6x-49=161(322)13x+11x-19=149(323)3x+8x-7=180(324)11x+3x-13=57(325)19x-4x+43=163(326)16x-7x+9=27(327)16x-3x+44=161(328)14x-3x+14=135(329)13x-6x+16=79(330)10x-7x+34=52(331)4x-2x+6=102(332)18x-6x+2=98(333)17x-12x+47=97(334)11x-2x-27=108(335)18x-14x-8=32(336)19x-13x-4=56(337)10x-2x-18=46(338)15x-6x-22=68(339)11x-5x-45=15(340)10x-5x-3=37(341)16x-11x-6=24(342)14x-10x-6=46(343)8.8x+4.8x+1.1=109.9(344)3x+0.6x+4.1=36.5(345)0.7x+2.2x+4.9=39.7(346)4x+5.1x+3.9=167.7(347)2x+0.5x+4.6=102.1(348)5.8x+0.5x+3=28.2(349)0.2x+2.1x+2.4=101.3(350)5.5x+7.4x+2.5=131.5(351)1.5x+4.6x+4.4=114.2(352)68x+21x+2.4=82.5(353)70x+52x+0.3=24.7(354)53x+98x+3=63.4(355)41x+65x+4.4=110.4(356)69x+3x+0.6=36.6(357)19x+86x+4=46(358)44x+4x+1=92.2(359)63x+7x+4.6=25.6(360)14x+13x+3.4=8.8(361)2.8x+0.7x-0.6=27.4(362)2.9x+1.7x-1.3=12.5(363)2.1x+9.8x-3.1=104(364)0.9x+0.7x-1.6=17.6(365)1.4x+5.9x-2.4=70.6(366)9x+5.1x-1.5=111.3(367)0.6x+1x-1.9=100.5(368)5.4x+3.7x-1.8=134.7(369)6.4x+1x-0.8=95.4(370)4x+3x-3.9=65.4(371)61x+37x-3.8=74.6(372)14x+8x-1.5=53.5(373)51x+41x-1.4=81.4(374)49x+83x-3.6=115.2(375)32x+63x-4.6=128.4(376)4x+27x-0.3=105.1(377)43x+58x-4.1=46.4(378)62x+65x-3=187.5(379)5.6x-4.3x+4.7=26.8(380)6.8x-4.5x+2.2=32.1(381)1.9x-0.7x+1.4=7.4(382)4.7x-2x+4.1=14.9(383)4x-0.7x+3=65.7(384)0.8x-0.2x+2.5=29.5(385)3.4x-1.9x+4.3=38.8(386)1.1x-0.2x+3.8=24.5(387)3.7x-0.7x+0.3=39.3(388)79x-55x+1=5.8(389)62x-43x+0.4=23.2(390)18x-9x+1.9=19.9(391)50x-6x+0.4=18(392)32x-22x+2=30(393)19x-15x+4.4=12.8(394)28x-17x+0.4=38.9(395)53x-12x+2.8=76.6(396)54x-17x+1.9=16.7(397)3.6x-1.7x-1.1=40.7(398)4.6x-0.6x-1=75(399)8.1x-2.3x-0.5=69.1(400)6.7x-0.8x-2=68.8(401)7.4x-1.5x-3.3=38(402)6.5x-2.6x-2.9=51.7(403)6.9x-3.8x-4.3=1.9(404)9.5x-2.2x-3.3=18.6(405)7.2x-0.9x-3.5=15.4(406)50x-12x-1=75(407)35x-17x-3.2=45.4(408)43x-36x-3.2=6.6(409)44x-8x-3.9=60.9(410)75x-25x-4.7=10.3(411)34x-17x-4.8=22.4(412)18x-2x-2=18.8(413)35x-10x-1.2=31.3(414)63x-44x-3.9=13.2(415)10x+18×9=242(416)9x+2×66=186(417)24x+7×24=288(418)6x+73×2=314(419)4x+9×2=54(420)5x+15×5=125(421)2x+39×4=196(422)24x+13×15=387(423)2x+3×23=211(424)27x-7×21=42(425)6x-13×7=71(426)22x-39×2=76(427)9x-4×12=87(428)13x-5×14=60(429)9x-22×3=51(430)18x-3×10=132(431)19x-8×9=61(432)5x-2×34=87(433)0.3x+0.8×22=28.7(434)1.9x+0.6×28=22.5(435)0.4x+0.8×18=32.8(436)0.4x+0.4×15=13.6(437)0.6x+0.5×17=14.5(438)0.6x+3.1×6=27(439)0.3x+0.6×8=9.3(440)1.1x+0.4×39=25.5(441)0.4x+3×5=32.6(442)22x+44×0.2=17.6(443)2x+2×4.9=18.4(444)24x+35×0.3=17.7(445)13x+2×3.5=18.7(446)7x+37×0.5=36(447)2x+2×2.7=6.4(448)28x+9×1.4=21(449)6x+10×1.4=20.6(450)9x+5×0.4=13.7(451)0.2x-0.2×25=2.8(452)4.9x-0.7×20=5.6(453)0.6x-0.6×20=3.6(454)1.2x-0.9×6=13.8(455)1x-3.2×2=2.6(456)0.3x-0.6×8=3.3(457)4.8x-3.4×5=2.2(458)0.4x-3.1×2=13.4(459)2.1x-0.3×13=6.6(460)3x-40×0.2=5.2(461)4x-2×0.4=18.4(462)4x-2×2.2=14.8(463)4x-11×0.4=11.6(464)11x-4×2.9=2.7(465)25x-6×1.3=2.2(466)4x-5×0.6=5.8(467)15x-12×1.3=2.4(468)8x-7×1=4.2(469)8(x+2)=32(470)2(7x+28)=112(471)2(x+24)=136(472)2(25x+32)=164(473)3(5x+36)=198(474)2(x+3)=26(475)2(4x+37)=162(476)4(6x+14)=200(477)12(x+8)=132(478)2(3x-30)=60(479)2(6x-27)=186(480)10(29x-47)=110(481)18(8x-37)=198(482)9(21x-46)=153(483)8(26x-27)=200(484)2(3x-26)=182(485)6(18x-26)=60(486)4(4x-46)=72(487)2(5.5x+3.4)=28.8(488)2(0.8x+4)=38.4(489)3(0.4x+5.8)=35.4(490)3(1.4x+0.3)=17.7(491)2(0.4x+6)=14.4(492)2(1.3x+7)=47.8(493)2(9.5x+0.3)=38.6(494)4(0.3x+2)=34.4(495)8(x+0.8)=46.4(496)8(2.5x-4)=8(497)29(0.6x-2.9)=37.7(498)13(0.2x-0.5)=29.9(499)2(1.1x-1.3)=15(500)3(0.7x-6.2)=44.4(501)12(2.9x-6.2)=30(502)2(8.3x-3.1)=27(503)11(1.9x-6.4)=34.1(504)2(6.5x-2.8)=20.4(505)(2x+17)÷37=1(506)(x+5)÷7=3(507)(17x+7)÷4=40(508)(11x+17)÷7=15(509)(11x+37)÷3=71(510)(11x+45)÷18=8(511)(5x+35)÷10=13(512)(17x+43)÷2=47(513)(12x+36)÷3=32(514)(9x-6)÷3=7(515)(7x-2)÷3=4(516)(11x-22)÷2=44(517)(9x-15)÷2=15(518)(18x-41)÷19=13(519)(7x-41)÷4=30(520)(17x-23)÷2=99(521)(7x-4)÷10=15(522)(2x-12)÷4=10(523)(4.6x+0.2)÷2=23.1(524)(9.6x+0.6)÷7=13.8(525)(2.8x+6.3)÷21=1.9(526)(8.4x+4.2)÷18=4.9(527)(4.7x+5.3)÷7=6.8(528)(5.3x+5.7)÷10=6.4(529)(8.9x+8.8)÷19=1.4(530)(4x+2)÷27=2(531)(4.5x+7.2)÷9=6.8(532)(5.6x-4.4)÷13=4.4(533)(2.8x-8.2)÷30=1.5(534)(1.6x-9.4)÷2=8.9(535)(3.3x-0.3)÷9=6.2(536)(6.6x-2.5)÷7=5.3(537)(8x-9.6)÷24=1.6(538)(6.3x-8.4)÷3=26.6(539)(2.3x-2.2)÷5=6(540)(6.5x-3.5)÷12=3.5參考答案(1)x=39(2)x=26(3)x=82(4)x=11(5)x=53(6)x=22(7)x=56(8)x=37(9)x=86(10)x=53(11)x=91(12)x=91(13)x=84(14)x=20(15)x=88(16)x=83(17)x=93(18)x=17(19)x=7.2(20)x=1(21)x=1.3(22)x=3.6(23)x=7.7(24)x=2.5(25)x=9.4(26)x=5.1(27)x=6.6(28)x=7.7(29)x=8.1(30)x=6.3(31)x=8(32)x=7.7(33)x=9(34)x=7.7(35)x=9.8(36)x=8(37)x=35(38)x=19(39)x=45(40)x=20(41)x=49(42)x=70(43)x=12(44)x=41(45)x=80(46)x=39(47)x=48(48)x=20(49)x=32(50)x=15(51)x=59(52)x=9(53)x=80(54)x=2(55)x=8.2(56)x=6.8(57)x=4.2(58)x=4(59)x=5(60)x=9.9(61)x=4.7(62)x=1.5(63)x=3.3(64)x=1.6(65)x=0.9(66)x=0.4(67)x=0.9(68)x=0.9(69)x=3(70)x=3.8(71)x=0.9(72)x=1.5(73)x=14(74)x=22(75)x=2(76)x=2(77)x=2(78)x=7(79)x=4(80)x=54(81)x=4(82)x=11(83)x=11(84)x=10(85)x=7(86)x=13(87)x=10(88)x=3(89)x=20(90)x=26(91)x=0.2(92)x=0.2(93)x=4.8(94)x=2.8(95)x=0.2(96)x=0.2(97)x=0.4(98)x=3.7(99)x=0.3(100)x=5(101)x=28(102)x=41(103)x=11(104)x=23(105)x=3(106)x=36(107)x=4(108)x=21(109)x=2(110)x=5(111)x=6(112)x=58(113)x=67(114)x=9(115)x=3(116)x=16(117)x=27(118)x=16(119)x=180(120)x=176(121)x=190(122)x=14(123)x=134(124)x=156(125)x=95(126)x=168(127)x=1.8(128)x=8(129)x=19.6(130)x=10.4(131)x=18(132)x=4.6(133)x=5.1(134)x=7.6(135)x=13.2(136)x=5(137)x=33(138)x=66(139)x=21(140)x=3(141)x=3(142)x=44(143)x=3(144)x=15(145)x=2(146)x=11(147)x=46(148)x=3(149)x=7(150)x=2(151)x=2(152)x=6(153)x=3(154)x=1.8(155)x=0.2(156)x=0.2(157)x=0.2(158)x=0.2(159)x=3.3(160)x=1(161)x=3.5(162)x=0.2(163)x=13(164)x=3(165)x=51(166)x=4(167)x=31(168)x=4(169)x=41(170)x=6(171)x=38(172)x=0.2(173)x=0.4(174)x=0.4(175)x=2.5(176)x=0.2(177)x=0.2(178)x=4.5(179)x=0.6(180)x=1.7(181)x=2(182)x=31(183)x=3(184)x=24(185)x=17(186)x=12(187)x=4(188)x=3(189)x=25(190)x=3(191)x=5(192)x=5(193)x=18(194)x=48(195)x=17(196)x=5(197)x=26(198)x=4(199)x=3(200)x=3(201)x=6(202)x=3(203)x=15(204)x=2(205)x=16(206)x=47(207)x=5(208)x=3(209)x=31(210)x=2(211)x=78(212)x=3(213)x=27(214)x=7(215)x=28(216)x=54(217)x=1.1(218)x=1.3(219)x=0.2(220)x=0.6(221)x=0.8(222)x=1.9(223)x=0.2(224)x=2.9(225)x=1.8(226)x=22(227)x=2(228)x=22(229)x=31(230)x=8(231)x=5(232)x=28(233)x=5(234)x=6(235)x=0.3(236)x=1.1(237)x=0.3(238)x=3.3(239)x=0.9(240)x=2.5(241)x=1.1(242)x=6.3(243)x=1.1(244)x=6(245)x=3(246)x=18(247)x=2(248)x=10(249)x=27(250)x=17(251)x=5(252)x=26(253)x=3(254)x=38(255)x=2(256)x=80(257)x=6(258)x=15(259)x=20(260)x=6(261)x=15(262)x=0.2(263)x=6(264)x=2.4(265)x=6.2(266)x=0.9(267)x=1.8(268)x=0.3(269)x=5.6(270)x=0.2(271)x=5(272)x=29(273)x=20(274)x=2(275)x=6(276)x=14(277)x=9(278)x=8(279)x=7(280)x=3(281)x=5(282)x=16(283)x=7(284)x=25(285)x=7(286)x=6(287)x=7(288)x=6(289)x=6(290)x=16(291)x=5(292)x=2(293)x=19(294)x=30(295)x=60(296)x=4(297)x=11(298)x=29(299)x=18(300)x=5(301)x=5(302)x=9(303)x=3(304)x=9(305)x=14(306)x=19(307)x=14(308)x=22(309)x=9(310)x=7(311)x=5(312)x=12(313)x=10(314)x=4(315)x=6(316)x=2(317)x=8(318)x=4(319)x=34(320)x=21(321)x=14(322)x=7(323)x=17(324)x=5(325)x=8(326)x=2(327)x=9(328)x=11(329)x=9(330)x=6(331)x=48(332)x=8(333)x=10(334)x=15(335)x=10(336)x=10(337)x=8(338)x=10(339)x=10(340)x=8(341)x=6(342)x=13(343)x=8(344)x=9(345)x=12(346)x=18(347)x=39(348)x=4(349)x=43(350)x=10(351)x=18(352)x=0.9(353)x=0.2(354)x=0.4(355)x=1(356)x=0.5(357)x=0.4(358)x=1.9(359)x=0.3(360)x=0.2(361)x=8(362)x=3(363)x=9(364)x=12(365)x=10(366)x=8(367)x=64(368)x=15(369)x=13(370)x=9.9(371)x=0.8(372)x=2.5(373)x=0.9(374)x=0.9(375)x=1.4(376)x=3.4(377)x=0.5(378)x=1.5(379)x=17(380)x=13(381)x=5(382)x=4(383)x=19(384)x=45(385)x=23(386)x=23(387)x=13(388)x=0.2(389)x=1.2(390)x=2(391)x=0.4(392)x=