0.072/87.5+87.5*0.028用简便方法计算_数学解答

0.072/87.5+87.5*0.028用简便方法计算

人气：274 ℃　时间：2020-06-14 21:56:19

解答

写错了吧?
0.072*87.5+87.5*0.028
=87.5*0.072+87.5*0.028
=87.5（0.072+0.028）
=87.5*0.1
=8.75