四年级简便计算题〔324-285〕×12除26怎么算
问题描述:
四年级简便计算题〔324-285〕×12除26怎么算
答
=324*12/26-285*12/26
=3888/26-3420/26
=468/26
=18
答
〔324-285〕×12除于26
=(300+24-300+15)*12/26
=39*6/13
=3*6
=18
答
〔324-285〕×12除26
=(300+24-300+15)*12/26
=39*6/13
=3*6
=18
答
(324-285)×12÷26
=[(300+24)-(300-15)]×12÷26
=[300+24-300+15]×12÷26
=39×12÷26
=3×13×12÷2÷13
=3×6×
=18