17.8除以1.78乘4的积{需要简便计算}
问题描述:
17.8除以1.78乘4的积{需要简便计算}
答
17.8/(1.78*4)
=17.8/1.78/4
=10/4
=2.5
答
17.8除以1.78乘4的积
=1.78/1.78*10*4
=10*4
=40
答
=17.8÷1.78÷4
=10÷4
=2.5