The symbol \Delta denotes one of the four arithmetic operations: subtraction, multiplication, or division. If 6 \Delta 3 \le 3, which of the following must be true?
I. 2 \Delta 2=0
II. 2 \Delta 2=1
III. 4 \Delta 2=2
应版权方要求，不支持在线看题功能，感谢您的理解。