原式=23-(22+3)
=23-22-3
=3-22.
I have __________ food in my bag , but he doesn’t have __________.
A.some; any
B.any; some
C.any; any
D.some; some
高斯投影中的6°带中央子午线一定是3°带中央子午线,而3°带中央子午线不一定是6°带中央子午线。( )