5减2又4分之1等于多少
问题描述:
5减2又4分之1等于多少
答
5-(2+1/4)
=4+4/4-2-1/4
=2+3/4
=2又4分之3
5减2又4分之1等于多少
5-(2+1/4)
=4+4/4-2-1/4
=2+3/4
=2又4分之3