127*99+(301-64)=127*100-127+301-64=12700-(127+64)+301=12700-191+301=12700+(301-191)=12700+110=12810
127*99+(301-64)=127*99+237=12573+237=12810希望我的回答对你有所帮助!
=12700-127+237=12800
