các phím tắt trong trang trình chiếu có chức năng gì?
Ctrl + N: ..........................................................................
Crl + M: ...........................................................................
Ctrl + B: ...........................................................................
Ctrl + I: ............................................................................
Ctrl + U: ...........................................................................
Ctrl + S: ...........................................................................
Ctrl + C: ...........................................................................
Ctrl + V: ............................................................................
F5: ...................................................
ESC: ....................................................