A:π
B:13
C:3
D:−3
下列函数中,一次函数是( )
降水的主要形式( )
已知M(2,5),N(3,﹣2),点P在直线MN→上,且满足MP→=3PN→.则点P的坐标为____
The underlined part in the word “grades” is pronounced as______.