A:适庖官进鸡汤(往、到)
B:丕如其意(比不上)
C:但操有问,植即依条答之(但是,表转折)
D:数犯曹操之忌(多次、屡次)
The books are on the desk. Can you see________?
如果2x2m-5y2+n与mxy3n-2的和是单项式,那么该单项式的系数和次数分别是( )