3/4+8/14-1/4-1/14怎样简便运算
问题描述:
3/4+8/14-1/4-1/14怎样简便运算
答
3/4+8/14-1/4-1/14
=(3/4-1/4)+(8/14-1/14)
=1/2+1/2
=1