8×0.65×1.25+3.5=( )
A: 1.96
B:10
C:6
D:0.94
A. Thank you.
B. You are welcome.
C. It's an egg.
D. Here you are.
社会主义制度在我国基本建立起来的标志是( )
已知tanα=4,计算2sinα+cosαsinα-3cosα=____