0.75-(-3 1/4)过程.
问题描述:
0.75-(-3 1/4)过程.
答
0.75-(-3 1/4
=3/4+13/4
=16/4
=4
0.75-(-3 1/4)过程.
0.75-(-3 1/4
=3/4+13/4
=16/4
=4