四年级简便计算题〔324-285〕×12除26怎么算
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![四年级简便计算题〔324-285〕×12除26怎么算](/uploads/image/z/55437-69-7.jpg?t=%E5%9B%9B%E5%B9%B4%E7%BA%A7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E9%A2%98%E3%80%94324-285%E3%80%95%C3%9712%E9%99%A426%E6%80%8E%E4%B9%88%E7%AE%97)
四年级简便计算题〔324-285〕×12除26怎么算
四年级简便计算题〔324-285〕×12除26怎么算
四年级简便计算题〔324-285〕×12除26怎么算
〔324-285〕×12除26
=(300+24-300+15)*12/26
=39*6/13
=3*6
=18
(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
〔324-285〕×12除于26
=(300+24-300+15)*12/26
=39*6/13
=3*6
=18
=324*12/26-285*12/26
=3888/26-3420/26
=468/26
=18