283六年级解方程专项练习200题有答案ok.docx
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1、第 16 页六年级解方程专项练习200题(有答案)(1)x=,(2) x=,(3) 4,(4) 82.5213.6(5) 0.78:3:5,(6)1200.4,(8) 1(x)=6,(9)2x1.2,(10)931.713.4,(11)x2524,(12)x+0.2=,(13)0.69078,(14)202.43=0.8,(15)x42,(16)0.632.5=67.5,(17)1(x0.45)=5,(18)x2.25=8.25,(19):3:12,(20)0.8=5.6,(21) 1.4:1:0.75, (22) x(2)=24,(23) 4x=3,(24)1270.3=20.1,(25),
2、(26)x:42=,(27)0.5,(28)0.8:=0.48:x,(29)=,(30)42:=:(31)5x0.4=75%,( 32) 6x0.9=4.5,(33)2(x3)=5.8,(34) 1.66.4,(35) 4x39=29,(36)16+840,(37) x1.1=3,(38)+2,(39)371.04,(40)x12,(41)x14,(42)3x,(43)=,(44)1.2:=,(45)=:,(46):0.8,(47)1,(48)1252525,(49)=,(50),(51) 5:8:32,(52)230.9=24.9,(53)5.3x2.9,(54)(72.8x)=1.5,(5
3、5)x:0.3=:,(56)15066=99(57)60.816(58)(59)(60)3(X)=1.3(61)(0.5):2=(X4):,(62) X0.05=3.528,(63)2X46=80,(64)44.536.38,(65)4X7.2=10,(66)11.520,(67)3.812+1587.6,(68)65=17,(69)0.6(2.5)=4.2,(70):,(71),(72)(73),(74)4()=,(75)0.25,(76)x,(77)200:6:,(78)4,(79)8(x2)=2(7),(80):18,(81)2,(82)46,(83):,(84)=,(85)5(3x4)
4、2(x1)=5(2x1)(86)=,(87)8(2X7)=5(13),(88)3(4.5)=60,(89)1.62.4=7.52,(90)3(x0.8)=6.3,(91)28.455.8,(92)x:=(93)+2,(94)15%,(95)x,(96)506,(97):0.3:12,(98)42(8x)=26,(99)x=0,(100)1,(101)x(+)=,(102),(103),(104)x,(105)x,(106)535=650,(107)720380,(108)3.6x0.98.1,(109)44.536,(110)=,(111)631.87.2,(112),(113)x=42,(1
5、14),(115)7x3=8.19,(116)12:0.6:,(117)3(2)=4(1),(118)3x709.2,(119) 6240,(120)22.50.412.5,(121)x:3.5=4:2,(122)x0.8x6=16,(123):8,(124),(125)x:15=:,(126),(127)x50%5,(128)1,(129)2.5+13,(130)3x2=4,(131)8.532,(132)34,(133)x517.54,(134):=:(4x),(135) 631=49,(136) 7x3=8.19,(137) 32.8917.5,(138) x0.3616,(139) 6
6、7+369,(140) 62x56=0,(141) 3x0.454=2.7,(142) 5.8x4.60.96,(143) 8.4(9x)=3,(144) 3x1.2=8,(145)528=71,(146)8.71.23.9,(147)8x2.637.8,(148)0.75x0.954=8.5,(149)542+372,(150)8x2.6=37.8,(151)x=,(152)3026,(153) 7.833.6,(154) 631.87.2,(155)10:4.5:0.8,(156):,(157)X7.65=4.64,(158)28.258.25,(159)X(3.6+2.97)=12.42
7、,(160),(161)14.5=5.5,(162)x8048,(163)755=6,(164)x6.8=15.4,(165)1.95.7,(166)4.3y4.6,(167)52.6=7.6,(168) x1.5=12.9,(169) 958.4,(170) 6.8+3.214.8,(171)5,(172),(173)4.531.5,(174)(1+25%)0.5,(175)x409,(176)x2015.2,(178)x,(179)x753,(180)4x,(181):4.5,(182)(x4.5)6=12.5,(183)271713.4,(184)9.6+33.245,(185)25=5
8、x7,(186) 3(x2)=25(x2),(187)4x3(20x)+4=0,(188)=1,(189)4x56=12,(190)8x315.6,(191)30(x4)=60,(192)7.20.531.2,(193)5x2.45=8,(194)2,(195)52.415=66, (196)3.22.81, (197)2.516-812, (198)9.6-36.3, (199)5(6)=75,(200)x0.7+0.93=4,解方程专项练习200题答案:(1)x=,(2) x=, x21=21, 12; (3) 4,444x,4x, 4=4x4,(4) 82.5213.6 20213.6,
9、 13.6+220, 26.4, 3.2;(5) 0.78:3:5, 30.785, 33.9, 1.3(6)1200.4, 120200.4+20, 0.4+201,0.4+200.4=10.4, 200.6, 20=0.6, 3;(8) 1(x)=6,1(x)(x)=6(x), 1=6(x), 6x6=1, 6x3=1, 64, 6x6=46,(9)2x1.2, x(2)=1.2, 1.2, x=1.2, 1;(10)931.713.4, 271.713.4, 271.71.713.4+1.7x, 13.4+1.727,13.4+1.7x13.4=2713.4, 1.713.6, 1.7x
10、1.7=13.61.7, 8(11)x2524, 7524, 75752475%, 32;(12)x+0.2=,x0.6=,x0.6+0.60.6,x=, 1(13)0.69078, 1.578, 1.5x1.5=781.5, 52; (14)202.43=0.8, 207.2=0.8, 207.2+7.2=0.8+7.2, 2020820%, 40;(15)x42, 42, x=42, 252(16)0.632.5=67.5, 0.67.5=67.5, 0.67.57.5=67.57.5, 0.660, 0.6x0.6=600.6, 100; (17)1(x0.45)=5,(x0.45)(x
11、0.45)=(x0.45), x2.4=1.6,x2.4+2.4=1.6+2.4, 4,x=4,(18)x2.25=8.25, x2.25+2.25=8.25+2.25, 10.5;(19):3:12, 312, 3x3=93, 3(20)0.8=5.6, 0.80.8=5.60.8, 4.8, x=4.8, 8(21) 1.4:1:0.75, 1.40.75, 1.05 (22) x(2)=24, x=24, x=24, 20;(23) 4x=3,4x3+, 44, 4x4=44, 1(24)1270.3=20.1, 122.1=20.1, 122.12.1=20.12.1, 12x12=1
12、812, 1.5;(25), x,(26)x:42=, 1042, 10x10=3010, 3(27)0.5, 0.753.75, 0.750.75=3.750.75, 3, x=3, 6;(28)0.8:=0.48:x, 0.80.48, 0.80.2, 0.8x0.8=0.20.8,(29)=, 3;(30)42:=:42,30, 50;(31)5x0.4=75%, 5x0.4+0.4=750.4, 5x5=1.155, 0.23( 32) 6x0.9=4.5, 6x0.9+0.9=4.5+0.9, 65.4, 6x6=5.46, 0.9;(33)2(x3)=5.8,2(x3)2=5.82
13、 x3=2.9, x3+3=2.9+3, 5.9;(34) 1.66.4,1.6x1.6=6.41.6, 4;(35) 4x39=29, 4x27=29, 4x27+27=29+27, 456, 4x4=564, 14;(36)16+840,16+8x16=4016, 824, 8x8=248, 3;(37) x1.1=3,x1.11.1=31.1, 3.3(38)+2,+2, 2, 2x2=2,(39)371.04, 2.1671.04, 2.167x1.04=1.041.04, 1.1270, 7x7=1.127, 0.16;(40)x12, x1=2, x1+1=2+1, 3, 3, 1
14、8;(41)x14,14,14, 18;(42)3x,(43)=, 2.4720.26, 2.418.72,2.4x2.4=18.722.4, 7.8;(44)1.2:=,1.25,6,6, 9;(45)=:,18, 12;(46):0.8,0.8,0.04, 0.2;(47)1, x=, 1(48)1252525,0.250.250.25=10.25, 0.250.75, 3;(49)=, 0.251.251.6,0.25x0.25=1.251.60.25, 8;(50),X=,(51) 5:8:32, 8532,8x8=5328, 20(52)230.9=24.9, 22.7=24.9,
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