A:2m﹣2n<0
B:m﹣3>n﹣3
C:﹣3m>﹣3n
D:m2 < n2
设a>b,则下列各式中不能成立的是( )
6×7=42
6.6×6.7=44.22
6.66×66.7 =____
6.666×666.7 =____
6.6666×6666.7=____
6.66666×66666.7 =____
请你依据发现的规律,直接写出结果.
The police are trying to find out whether he was killed or he killed____(he).
读经纬网图,回答问题.