已知am=3，an=4，则a3m+2n=____.
已知am=3，an=4，则a3m+2n=____.
已知am=4，an=3，则am+2n=( )
已知am=4，an=3，则am+2n=( )
已知am=4，an=3，则a3m-2n=（ ）
已知am=4，an=3，则a3m-2n=（ ）
已知am=2，an=3，则a2n-m=______．
已知am=2，an=3，则a2n-m=______．
I am in Class ____. A: 1 B: 2 C: 3
I am in Class ____. A: 1 B: 2 C: 3
如果am=3，an=6，则a2m+n等于（ ）A.15B.36C.12D.54
如果am=3，an=6，则a2m+n等于（ ）A.15B.36C.12D.54
What time did Mr. Gao ring A: 8:00 am B: 8:30 am C: 3:00 pm
What time did Mr. Gao ring A: 8:00 am B: 8:30 am C: 3:00 pm
已知am=4，an=2，al=3，求am-n-l的值．
已知am=4，an=2，al=3，求am-n-l的值．
【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
I tired but I hungry.: am ; am not|am; am|are; are not|is; is not
I tired but I hungry.: am ; am not|am; am|are; are not|is; is not