11-3.6+6.4怎样简便运算
问题描述:
11-3.6+6.4怎样简便运算
答
11-3.6+6.4
=17.4-3.4-0.2=14-0.2=13.8 .
11-3.6+6.4怎样简便运算
11-3.6+6.4
=17.4-3.4-0.2=14-0.2=13.8 .