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1、六年级解方程专项练习进步200题(有规范标准答案)六年级解方程专项练习进步200题(有规范标准答案)28/28六年级解方程专项练习进步200题(有规范标准答案)*-六年级解方程专项练习200题(有答案)(1)x=,(9)2xx=1.2,(2)x=,(10)931.7x=13.4,(11)x25%x=24,(3)4x=,(12)x+0.2=,4)82.52x=13.6(5)0.78:x=3:5,(13)0.6x+90%x=78,(6)120%x=0.4,(14)20%x2.43=0.8,(8)1(x)=6,(15)xx=42,*-(16)0.6x+32.5=67.5,(23)4x=3,(17)1

2、(x0.45)=5,(18)x2.25=8.25,19):x=3:12,(20)x+0.8=5.6,(24)12x+70.3=20.1,(25)x+x=,(26)x:42=,(27)0.5+x=,(21)1.4:x=1:0.75,(28)0.8:=0.48:x,(22)x(2)=24,(29)=,30)42:=:31)5x0.4=75%,(32)6x0.9=4.5,(33)2(x3)=5.8,34)1.6x=6.4,(35)4x39=29,(36)16+8x=40,37)x1.1=3,*-39)37x=1.04,40)x1x=2,41)xx=14,42)3xx=,(43)=,44)1.2:=,

3、(45)=:,(46):=x:0.8,(38)+2x=,*-(47)x=+1,(55)x:0.3=:,48)125%X+25%x=+25%x,(56)150%x+66=99,(49)(57)x+60.8x=16X=,(50)(58)(51)5:8=x:32,(59)(52)2x+30.9=24.9,(60)3(X)=1.3(53)5.3x2.9x=,(61)(X+0.5):2=(X4):,(54)(72.8x)=1.5,(62)X0.05=3.528,*-(63)2X46=80,(72)64)44.53X=6.38,(73),65)4X7.2=10,(74)4(+x)=,66)11.5X+X=

4、20,(75)0.25+x=,67)3.812+15X=87.6,(76)x,68)6X+5=17,(69)0.6(2.5+X)=4.2,(77)200:6=x:,(70):=X:,(78)4X=,(71),(79)8(x2)=2(x+7),80):18%=,2x=,81)x+x=46,82)83):x=:,(84)=,85)5(3x4)2(x1)=5(2x1)(86)=,87)8(2X7)=5(X+13),*-88)3(x+4.5)=60,89)1.6x+2.4=7.52,90)3(x0.8)=6.3,91)28.45x=5.8,92)x:=93)+2x=,(94)x=15%,(95)xx=

5、,*-(96)x+50%x=6,(104)x,97):x=0.3:12,(105)x,98)4x+2(8x)=26,(106)5x+35=650,(99)x=0,(107)7203x=80,(100)+x=1,(108)3.6x0.9x=8.1,(101)x(+)=,(109)44.53x=6,(102),(110)=,(103),(111)631.8X=7.2,*-(112)x=,(113)x=42,(120)22.50.4x=12.5,(121)x:3.5=4:2,(114)x+=,(122)x0.8x6=16,(123):=x:8,115)7x3=8.19,(116)12:0.6=x:,

6、(124),(117)3(x+2)=4(x+1),(125)x:15=:,(118)3x70%x=9.2,(126)x+x=,(119)6+x=240,(127)x50%x=5,128)1x=,129)2.5+1x=3,130)3x2=4,131)8.53x=2,132)3x=4,133)x5%=17.54,(134):=:(4x),(135)6x+31=49,*-(136)7x3=8.19,(137)32.89x=17.5,(138)x0.36x=16,(139)67+3x=69,(140)6x+2x56=0,(141)3x0.454=2.7,(142)5.8x4.6x=0.96,(143)

7、8.4(9x)=3,*-(144)3x1.2=8,(153)7.83x=3.6,(145)5x+28=71,(154)631.8x=7.2,(146)8.71.2x=3.9,(155)10:x=4.5:0.8,(147)8x2.6x=37.8,(156):=x:,(148)0.75x0.954=8.5,(157)X7.65=4.64,149)542+3x=72,(158)28.25X=8.25,(150)8x2.6=37.8,(159)X(3.6+2.97)=12.42,(151)x=,(160)x=,152)x+30%x=26,(161)14.5=5.5,*-(162)x80%x=48,(1

8、71)5x=,(163)75%x5=6,(172)x=,(164)x6.8=15.4,(173)4.53x=1.5,(165)1.9x=5.7,(174)(1+25%)x=0.5,166)4.3yy=4.6,(175)x40%x=9,(167)5x+2.6=7.6,(176)x20%=15.2,(168)x1.5=12.9,(178)xx=,(169)9x+5x=8.4,(170)6.8+3.2x=14.8,(179)x75%=3,(180)4x,181):x=:4.5,182)(x4.5)6=12.5,183)2717x=13.4,184)9.6+3x=3.245,185)2x+5=5x7,

9、(186)3(x2)=25(x2),187)4x3(20 x)+4=0,*-(188)=1,189)4x56=12,190)8x3x=15.6,191)30(x4)=60,192)7.20.53x=1.2,193)5x2.45=8,194)+x=2,195)5x+2.415=66,*-196)3.2x+2.8x-x=1,197)2.516-8x=12,198)9.6-3x=6.3,199)5(x+6)=75,200)x0.7+0.93=4,*-解方程专项练习200题答案:1)x=,x=;(2)x=,x=,x21=21,x=12;3)4x=,4x+4x=+4x,+4x,4=4x4,x=1(x)(

10、x)=6(x),1=6(x),6x6=1,6x3=1,6x=4,6x6=46,x=9)2xx=1.2,(2)=1.2,x=1.2,x=1.2,x=1;10)931.7x=13.4,271.7x=13.4,271.7x+1.7x=13.4+1.7x,13.4+1.7x=27,13.4+1.7x13.4=2713.4,1.7x=13.6,1.7x1.7=13.61.7,x=8(4)82.52x=13.6(11)x25%x=24,202x=13.6,75%x=24,13.6+2X=20,75%x75%=2475%,2X=6.4,x=32;x=3.2;(5)0.78:x=3:5,(12)x+0.2=,

11、3x=0.785,3x=3.9,x0.6=,x=1.3(6)120%x=0.4,x0.6+0.6=+0.6,120%x+20%x=0.4+20%x,0.4+20%x=1,x=,0.4+20%x0.4=10.4,20%x=0.6,x=,20%x=0.6,x=3;x=1(8)1(x)=6,13)0.6x+90%x=78,1.5x=78,1.5x1.5=781.5,x=52;14)20%x2.43=0.8,20%x7.2=0.8,20%x7.2+7.2=0.8+7.2,20%x20%=820%,x=40;15)xx=42,x=42,x=42,x=25216)0.6x+32.5=67.5,0.6x+7

12、.5=67.5,0.6x+7.57.5=67.57.5,0.6x=60,0.6x0.6=600.6,x=100;17)1(x0.45)=5,(x0.45)(x0.45)=(x0.45),x2.4=1.6,x2.4+2.4=1.6+2.4,x=4,x=4,x=18)x2.25=8.25,x2.25+2.25=8.25+2.25,x=10.5;19):x=3:12,3x=12,3x3=93,x=3*-20)x+0.8=5.6,x+0.80.8=5.60.8,x=4.8,x=4.8,x=821)1.4:x=1:0.75,x=1.40.75,x=1.05x(2)=24,=24,=24,x=20;(23

13、)4x=3,4x+=3+,4x=4,4x4=44,x=124)12x+70.3=20.1,12x+2.1=20.1,12x+2.12.1=20.12.1,12x12=1812,x=1.5;25)x+x=,x=,x,x=;26)x:42=,10 x=42,10 x10=3010,x=3(27)0.5+x=,*-0.75+x=3.75,x3+3=2.9+3,x=5.9;0.75+x0.75=3.750.75,(34)1.6x=6.4,1.6x1.6=6.41.6,x=3,x=4;(35)4x39=29,x=3,4x27=29,4x27+27=29+27,x=6;4x=56,4x4=564,(28)

14、0.8:=0.48:x,x=14;(36)16+8x=40,0.8x=0.48,16+8x16=4016,8x=24,0.8x=0.2,8x8=248,0.8x0.8=0.20.8,x=3;x=(37)x1.1=3,x1.11.1=31.1,(29)=,x=3.3(38)+2x=,x=,+2x=,x=,x=3;2x=,2x2=2,(30)42:=:x=;x=42,(39)37x=1.04,x=30,2.167x=1.04,x=50;2.167x1.04=1.041.04,1.127x=0,(31)5x0.4=75%,7x7=1.127,5x0.4+0.4=75%+0.4,x=0.16;5x5=

15、1.155,(40)x1x=2,x=0.23x1=2,(32)6x0.9=4.5,x1+1=2+1,6x0.9+0.9=4.5+0.9,6x=5.4,x=3,6x6=5.46,x=0.9;x=3,(33)2(x3)=5.8,x=18;2(x3)2=5.82(41)xx=14,x3=2.9,*-x=14,x=1x=14,(48)125%X+25%x=+25%x,x=18;0.25x+0.250.25=10.25,(42)3xx=,0.25x=0.75,x=3;x=,(49)=,x=,0.25x=1.251.6,0.25x0.25=1.251.60.25,x=;x=8;X=,(43)=,(50)2

16、.4x=720.26,X=,2.4x=18.72,x=;2.4x2.4=18.722.4,x=7.8;(51)5:8=x:32,(44)1.2:=,8x=532,8x8=5328,x=1.25,x=20(52)2x+30.9=24.9,x=6,2x+2.7=24.9,2x+2.72.7=24.92.7,x=6,2x2=22.22,x=11.1;x=9;(53)5.3x2.9x=,(45)=:,2.4x=,x=18,2.4x2.4=2.4,x=,x=;x=,x=12;(54)(72.8x)=1.5,(46):=x:0.8,(72.8x)=1.5,x=0.8,72.8x=2.1,72.8x+2.8

17、x=2.1+2.8x,x=0.04,72.1=2.1+2.8x2.1,4.92.8=2.8x2.8,x=0.2;x=1.75;(47)x=+1,(55)x:0.3=:,x=,x=0.3,*-x=,2X24+24=80+24,2X=104,x=2X2=1042,X=52;(56)150%x+66=99(64)44.53X=6.38,1.5x+66=99183X=6.38,1.5x=33183X+3X=6.38+3X,x=226.38+3X=18,(57)x+60.8x=166.38+3X6.38=186.38,0.2x+6=163X=11.62,0.2x=103X3=11.623,x=50X=;

18、(58)(65)4X7.2=10,4X7.2+7.2=10+7.2,4X=17.2,x=14.44X4=17.24,X=4.3;(59)(66)11.5X+X=20,0.55x=5.512.5X=20,x=1012.5X12.5=2012.5,(60)3(X)=1.3X=1.6;(67)3.812+15X=87.6,3(X)(x)=1.3(x),3=1.3x0.78,3+0.78=1.3x0.78+0.78,4.68=1.3x,4.681.3=1.3x1.3,x=3.6;61)(X+0.5):2=(X4):,(x4)=(x+0.5),x4=x+0.5,x10 x=x+x,2.25x10+10=

19、0.125+10,2.25x2.25=10.1252.25,x=4.562)X0.05=3.528,X0.050.05=3.5280.05,X=0.1764;63)2X46=80,2X24=80,45.6+15X=87.6,45.6+15X45.6=87.645.6,15X=42,15X15=4215,X=2.868)6X+5=17,6x+55=175,6x6=126,x=2;69)0.6(2.5+X)=4.2,0.6(2.5+X)0.6=4.20.6,2.5+x=7,2.5+x2.5=72.5,x=4.5;70):=X:,x=,x=,x=0.6*-(71),x=;(77)200:6=x:,(

20、72)6x=200,6x6=4806,x=80,(78)4X=,4XX=X,;X=4,(73),X=4,X=10;,(79)8(x2)=2(x+7),8X16=2X+14,6X16=14,6X=30,(74)4(+x)=,X=5;+4x=,(80):18%=,+4x=,X=0.186.5,4x=4,X=1.17,x=1;(75)0.25+x=,X=7.80.2+x=,(81)2x=,0.2+x0.2=0.2,2x+2x=+2x,x=,+2x=,x=+2x=,2x=,(76)x,*-2x2=2,x=x=;(87)8(2X7)=5(X+13),16x56=5x+65,x+x=46,16x565x=

21、5x+655x,(82)11x56=65,x(+)=46,11x56+56=65+56,11x=121,x=46,11x11=12111,x=11,x=46,(88)3(x+4.5)=60,x=40;3(x+4.5)3=603,x+4.5=20,(83):x=:,x+4.54.5=204.5,x=15.5x=,(89)1.6x+2.4=7.52,1.6x+2.42.4=7.522.4,x=,1.6x=5.12,1.6x1.6=5.121.6,x=,x=3.2;x=;(90)3(x0.8)=6.3,3x2.4=6.3,3x2.4+2.4=6.3+2.4,(84)=,3x=8.7,3x3=8.73

22、,1.6x=6.42,x=2.9;1.6x=12.8,1.6x1.6=12.81.6,(91)28.45x=5.8,x=828.45x+5x=5.8+5x,5.8+5x=28.4,(85)5(3x4)2(x1)=5(2x1)5.8+5x5.8=28.45.8,15x202x+2=10 x5,5x=22.6,13x18=10 x5,5x5=22.65,13x1810 x=10 x510 x,x=4.523x18=5,3x18+18=5+18,(92)x:=3x=13,3x3=133,25x=3,x=;25x=,(86)=,3(6x1)=64,25x25=,18x3=64,x=;18x3+3=64

23、+3,18x=67,18x18=6718,*-(93)+2x=,(100)+x=1,+2x=,+x=1,2x=0,x=,x=0;(94)x=15%,x=,xx=15%x,x=1;0.15x=0.15,(101)x(+)=,0.15x0.15=0.150.15,x=,x=1;(95)xx=,x=,x=,x=x=,(102),x=,96)x+50%x=6,1.5x=6,3=,3x1.5x1.5=61.5,x=4;x=97):x=0.3:12,(103),0.3x=,0.3x0.3=90.3,x=30;,98)4x+2(8x)=26,4x+162x=26,x=20;2x+16=26,(104)x,2

24、x+1616=2616,2x2=102,x=5(99)x=0,x+=0+,x=;x=,(105)x,x3=3,x,x=;x=106)5x+35=650,*-5x+3535=65035,5x=615,(114)x+=,5x5=6155,x=123;x+=,107)7203x=80,7203x3x=803x,240 x=720,x=,240 x240=720240,x=,x=3;(108)3.6x0.9x=8.1,3.60.9)x=8.1,x=2.7x=8.1,(115)7x3=8.19,2.7x2.7=8.12.7,7x33=8.193,x=3;7x=24.57,7x7=24.577,(109)

25、44.53x=6,x=3.51;183x=6,(116)12:0.6=x:,183x+3x=6+3x,6+3x=18,0.6x=12,6+3x6=186,3x=12,0.6x=6,3x3=123,0.6x0.6=60.6,x=4x=10;(110)=,(117)3(x+2)=4(x+1),2.5x=100.8,3x+6=4x+4,2.5x2.5=82.5,3x+63x=4x+43x,x=3.2;x+4=6,x+44=64,(111)631.8X=7.2,x=2181.8X=7.2,181.8X+1.8X=7.2+1.8X,7.2+1.8X=18,(118)3x70%x=9.2,7.2+1.8X

26、7.2=187.2,3x0.7x=9.2,1.8X=10.8,2.3x=9.2,1.8X1.8=10.81.8,2.3x2.3=9.22.3,X=6x=4;(112)x=,(119)6+x=240,x=,6+x6=2406,x=;x=234,x=234,(113)x=42,x=390 x=42,(120)22.50.4x=12.5,22.50.4x+0.4x=12.5+0.4x,x=9;12.5+0.4x=22.5,*-12.5+0.4x12.5=22.512.5,x=30;0.4x0.4=100.4,(128)1x=,x=25;(121)x:3.5=4:2,1x+x=+x,2x=3.54,+

27、x=1,2x2=142,+x=1,x=6x=,(122)x0.8x6=16,0.2x6=16,x=;0.2x6+6=16+6,0.2x0.2=220.2,(129)2.5+1x=3,x=110;(123):=x:8,2.5+1x2.5=32.5,x=8,x=,x=8,x=,x=4;x=(124),(130)3x2=4,0.06x=20.015,3x2+2=4+2,0.06x0.06=0.030.06,x=0.5;3x=6,(125)x:15=:,3x3=63,x=15,x=;x6=156,x=40;(131)8.53x=2,(126)x+x=,8.53x+3x=2+3x,x=,3x+2=8.5

28、,x=,3x+22=8.52,x=;3x=6,3x3=63,(127)x50%x=5,x=2;(132)3x=4,x=5,3xx=4x,x6=56,*-4x=3,42+3x=69,42+3x42=6942,4x4=34,3x=27,3x3=273,x=x=9;(140)6x+2x56=0,(133)x5%=17.54,(6+2)x56+56=0+56,8x=56,解:x5%+5%=17.54+5%,8x8=568,x=7x=17.59,(141)3x0.454=2.7,3x1.8=2.7,x=23;3x1.8+1.8=2.7+1.8,3x=4.5,(134):=:(4x),3x3=4.53,x

29、=1.5;解:4x=,(142)5.8x4.6x=0.96,1.2x=0.96,2x+x=x,1.2x1.2=0.961.2,x=0.8;2+x,(143)8.4(9x)=3,9x=8.43,=x,9x=2.8,x=92.8,x=3x=6.2;(144)3x1.2=8,(135)6x+31=49,3x1.21.2=81.2,6x+3131=4931,3x=9.6,6x=18,3x3=9.63,6x6=186,x=3.2x=3;(145)5x+28=71,(136)7x3=8.19,5x+2828=7128,7x33=8.193,5x=43,7x=24.57,5x5=435,7x7=24.577

30、,x=8.6;x=3.51;(137)32.89x=17.5,(146)8.71.2x=3.9,32.89x+9x=17.5+9x,8.71.2x+1.2x3.9=3.9+1.2x3.9,17.5+9x=32.8,4.8=1.2x,17.5+9x17.5=32.817.5,1.2x=4.8,9x=15.3,1.2x1.2=4.81.2,9x9=15.39,x=4;x=1.7;(147)8x2.6x=37.8,(138)x0.36x=16,5.4x=37.8,(10.36)x=16,5.4x5.4=37.85.4,0.64x=16,x=7;0.64x0.64=160.64,x=25;(148)0

31、.75x0.954=8.5,(139)67+3x=69,0.75x3.8=8.5,0.75x3.8+3.8=8.5+3.8,0.75x=12.3,0.75x0.75=12.30.75,x=16.4,;(149)542+3x=72,27+3x=72,27+3x27=7227,3x=45,3x3=453,x=15;150)8x2.6=37.8,8x2.6+2.6=37.8+2.6,8x=40.4,8x8=40.48,x=5.05(151)x=,x=,x=,x4=4,x=;152)x+30%x=26,1+30%)x=26,1.3x=26,1.3x1.3=261.3,x=20;153)7.83x=3.

32、6,7.83x+3x=3.6+3x,3.6+3x=7.8,3.6+3x3.6=7.83.6,3x=4.2,3x3=4.23,x=1.4154)631.8x=7.2,181.8x=7.2,181.8x+1.8x=7.2+1.8x,18=7.2+1.8x,187.2=7.2+1.8x7.2,10.8=1.8x,10.81.8=1.8x1.8,x=6;155)10:x=4.5:0.8,4.5x=100.8,*-4.5x=8,4.5x4.5=84.5,x=;156):=x:,x=,x=,x=,x=157)X7.65=4.64,X7.65+8.67=4.64+7.65,X=12.29;158)28.25

33、X=8.25,28.25X+X=8.25+X,X+8.25=28.25,X+8.258.25=28.258.25,X=20;159)X(3.6+2.97)=12.42,X6.57=12.42,6.57+6.57=12.42+6.57,X=18.99160)x=,xx=x,x=,=,x=,x=;161)14.5=5.5,14.5+14.5=5.5+14.5,=20,8=208,x=160162)x80%x=48,*-(10.8)x=48,5=x,0.2x=48,0.2x0.2=480.2,x=;x=240;(172)x=,(163)75%x5=6,0.75x3=6,x+x=+x,0.75x3+3

34、=6+3,=+x,0.75x=9,0.75x0.75=90.75,=+x,x=12(164)x6.8=15.4,=x,x6.8+6.8=15.4+6.8,x=22.2;=x,(165)1.9x=5.7,x=1;1.9x1.9=5.71.9,x=3;(173)4.53x=1.5,(166)4.3yy=4.6,1.53.5x=1.5,3.3y=4.6,1.53.5x+3.5x=1.5+3.5x,3.3y3.3=4.63.3,1.5=1.5+3.5x,y=;1.51.5=1.5+3.5x1.5,0=3.5x,(167)5x+2.6=7.6,03.5=3.5x3.5,5x+2.62.6=7.62.6,

35、x=05x=5,(174)(1+25%)x=0.5,5x5=55,1.25x=0.5,x=11.25x1.25=0.51.25,(168)x1.5=12.9,x=0.4;x1.5+1.5=12.91.5,x=11.4;(175)x40%x=9,(169)9x+5x=8.4,0.6x=9,14x=8.4,0.6x0.6=90.6,14x14=8.414,x=15;x=0.6;(170)6.8+3.2x=14.8,(176)x20%=15.2,6.86.8+3.2x=14.86.8,x20%20%=15.220%,3.2x=8,x=763.2x3.2=83.2,(177)30 x30=180,x=2.530 x30+30=180+30,(171)5x=,30 x=210,30 x30=21030,5xx=x,x=7;(178)xx=,5=x,x=,x=,x=;179)x75%=3,75%75%=375%,x=,x=,x=(180)4x,4x6=2.4,4x=2.4+6,x=8.44,x=2.1181):x=:4.5,x=4.5,x=2,x=2,x=5*-3x3=6.63,x=2.2185)2x+5=

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