根据题干分析可得:12÷16=3:4=15:20=4560.
故答案为:12;20;45.
Could the man repair the TV today
A.Yes, he’s glad to do it.
B.No, he has no time.
C.We can’t know from the dialogue.
A、B、C、D、E共5人站成一排,如果A、B中间隔一人,那么排法种数有( )
A. 60 B. 36 C. 48 D. 24