A:13+π4
B:1+π4
C:13+π12
D:1+π12
“人生代代无穷已,江月年年望相似。不知江月待何人,但见长江送流水。”诗人张若虚的《春江花月夜》中的诗句,主要反映的哲理是( )
计算:22-18=____ .
—Excuse me. Could you tell me_____ get to the nearest post office?
—Sorry ,I am new here