4/5×3/8等于(3/10);或者0.3;(4/5)*(3/8)=(3*4)/(5*8)=3/(5*2)=3/10=0.3
题目应写作:(4/5)×(3/8)等于多少?解:(4/5)×(3/8)=3/10答:(4/5)×(3/8)等于3/10
4/5×3/8等于3/10
4/5×3/8=3/10
答案是3/10