63/[x-1]
问题描述:
63/[x-1]
答
7/9=0.63/[x-1]
[x-1]=0.63÷7/9
[x-1]=0.63×9/7
[x-1]=0.81
x =1.81
答
7×(X-1)=9×0.63
X-1=9×0.63÷7
X-1=0.81
X=1.81
答
7/9=0.63/[x-1]
7[x-1]=5.67
X-1=0.81
X=1.81
答
9*0.63=7x-7
5.67+7=7x
7x=12.67
x=1.81