48×59>48×60-48______.
48×59=2832;
48×60-48,
=2880-48,
=2832;
所以,48×59=48×60-48.
故答案为:×.
—When_____your mother_____you that blue dress,Mary?
—Sorry,I really can't remember. [ ]
A. does ; buy
B. has ; bought
C. had ; bought
D. did ; buy
青藏地区主要的农作物为( )
A.小麦、玉米
B.水稻、油菜
C.青稞、小麦
D.长绒棉、葡萄