四年级期末复习•除法简便计算

四年级期末复习•除法简便计算


简介:
(1)560÷35 =560÷7÷5 =80÷5 =16 (2)480÷5÷12 =480÷(5×12) =480÷60 =8 (3)540÷(9×5) =540÷9÷5 =60÷5 =12