简述会计等式的三种形式。
参考答案：
①资产=负债+所有者权益。
②收入-费用=利润。
③资产=负债+所有者权益+收入-费用。
good manners to say “Sorry” when you knock into someone but no need to say it again and again .
A．There are ; there is
B．It is ; there is
C．There is ; it is
D．It is ; it is
焊瘤
