3/4*(7/18-5/9)简便运算
问题描述:
3/4*(7/18-5/9)简便运算
答
3/4*(7/18-5/9)
=3/4*-3/18
=-1/8
3/4*(7/18-5/9)简便运算
3/4*(7/18-5/9)
=3/4*-3/18
=-1/8