计算|圆周率-4|+圆周率-4
问题描述：
计算|圆周率-4|+圆周率-4
答
|圆周率-4|+圆周率-4
=4-π+π-4
=0
计算|圆周率-4|+圆周率-4
|圆周率-4|+圆周率-4
=4-π+π-4
=0