43.98乘37减439.8乘6.9加4398乘0.32简便方法
问题描述:
43.98乘37减439.8乘6.9加4398乘0.32简便方法
答
43.98*37-439.8*6.9+4398*0.32
=43.98*(37-69+32)
=43.98-0
=0