题目内容：

28.67*67+286.7*32+573.4*0.05咋么简便计算?

优质解答

28.67*67+286.7*32+573.4*0.05
=286.7*6.7+286.7*3.2+286.7*0.1
=286.7*（6.7+3.2+0.1）
=286.7*10
=2867