3.6+6.4-3.6+6.4怎么简便运算
问题描述:
3.6+6.4-3.6+6.4怎么简便运算
答
3.6-3.6+6.4+6.4
=0+6.4*2
=12.8
3.6+6.4-3.6+6.4怎么简便运算
3.6-3.6+6.4+6.4
=0+6.4*2
=12.8