3.2-(-4分之3)-24分之5+(-2.1)

问题描述:

3.2-(-4分之3)-24分之5+(-2.1)

3.2-(-3/4)-5/24+(-2.1)
=3.2+3/4-5/24-2.1
=3.2-2.1+3/4-5/24
=1.1+13/24
=11/10+13/24
=197/120