3分之一乘0,6减9分之8等于?
问题描述:
3分之一乘0,6减9分之8等于?
答
1/3×0.6-8/9
=1/3×3/5-8/9
=1/5-8/9
=-31/45
3分之一乘0,6减9分之8等于?
1/3×0.6-8/9
=1/3×3/5-8/9
=1/5-8/9
=-31/45