25.8-(8.3+6.75)怎样简便运算
问题描述:
25.8-(8.3+6.75)怎样简便运算
答
25.8-(8.3+6.75)怎样简便运算
= 25.8-8.3-6.75
=17.5 - 6.75
= 10 .75