简便计算:40×23×2.5=

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简便计算:40×23×2.5=简便计算:40×23×2.5=简便计算:40×23×2.5=40×23×2.5=40x2.5x23=100x23=2300

简便计算:40×23×2.5=
简便计算:40×23×2.5=

简便计算:40×23×2.5=
40×23×2.5= 40x2.5x23=100x23=2300