8x/(7.2/9)=12.5
要过程啊!
8x/(7.2/9)=12.5
要过程啊!
原式化为: 8X/8=12.5
X =12.5
8x/(7.2/9)=12.5
8x/(0.8)=12.5
10x=12.5
x=1.25
8x/(7.2/9)=12.5
8x/0.8=12.5
10x=12.5
x=1.25
8x/(7.2/9)=12.5
8x/0.8=12.5
10x=12.5
x=1.25
8x/0.8=12.5
10x=12.5
x=1.25
8x/(7.2/9)=12.5
8x/0.8=12.5
8x=12.5*0.8
8x=10
x=1.25