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76x11用乘法分配律计算题

(60-2)×11 =60×11-2×11 =660-22 =638

25x11x4 =25x4x11 =100x(10+1) =100x10+100x1 =1000+100 =1100

58X11=58X10+58X1=638 47X102=47X100+47X2=4794

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