若m÷n,则有()A.m不等于0,n不等于0B.m不等于0,n等于0C.m等于0,n
若m÷n,则有()
A.m不等于0,n不等于0
B.m不等于0,n等于0
C.m等于0,n等于0
D.n不等于0,m为任意数