792×99=792×100○792×1,○里应该填请选择CBA3{2^0T9Y*z0t*U4n/M*d,H-@6M'n/s,p4a's;m2S-^2Y
A、+ B、- C、×/M*d,H-@6M'n/s,p4a's;m2S-^2Y