(0.8,0.2)=8 (3,5)=1.2 计算(x,0.5)=6 找规律 求x的值
问题描述:
(0.8,0.2)=8 (3,5)=1.2 计算(x,0.5)=6 找规律 求x的值
答
(a,b)=a/bX2
所以(x,0.5)=x/0.5X2=6
x=1.5