We have never had such a cold winter. → It is

A. the coldest winter we had

B. the coldest winter they have ever had

C. the coldest winter we have

D. the coldest winter they have ever

Số lớn nhất trong các số sau : 987543  ;  987889  ;  899987  ;  987658  là :

A. 987543

B. 987889

C. 987658

D. 899987

Tính:  3 4 - 1 2