(40*0.4)*0.25的简便计算

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(40*0.4)*0.25的简便计算(40*0.4)*0.25的简便计算(40*0.4)*0.25的简便计算原式=40*0.25*0.4=10*0.4=4

(40*0.4)*0.25的简便计算
(40*0.4)*0.25的简便计算

(40*0.4)*0.25的简便计算
原式
=40*0.25*0.4
=10*0.4
=4