0.6:0.36=0.8:x
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0.6:0.36=0.8:x
0.6:0.36=0.8:x
0.6:0.36=0.8:x
0.6:0.36=0.8:x
0.8x=x+1.6
4x+5x=0.36
3x(x-0.1)=0.6 x=
0.3X=0.6+0.4X,X等于?
0.6x+(16-x)×0.8=10.8
x/2-(0.1x+0.8)/0.6
x-0.6x=0.8
0.8x+x=108等于几x=几
0.6x+4=x+2.
0.8x+1.2(90-x)=88
x—0.8x=0.
x—1.44=0.8x
3.8X一X=0.8
解比例:x:0.8=0.36:0.6 42/6=x/3 1.25:x=205:20%
(x+1)/2-(2-3x)/3=1 2-(2x-4)/3 =-(x-7)/6 (2x+1)/3-(5x-1)/6=1 (0.1-0.2x)/0.03-1=(0.7-x)/0.4( 0.3x+0.7)/0.6-(0.2x-0.4)/0.8=1
(1)7:x=4:3(2)x:3/7=14:25(3)x/12=5/4(4)x/1.6=5/0.8(5)0.6:4.8=12:x (6)5/3:x=4/5:9/20
x+60%x=80 80%-30x=305 35%x=210 x+50%x=60 x-40%x=0x+60%x=8080%-30x=30535%x=210x+50%x=60x-40%x=0.36(1-80%)x=21么么哒!