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54×125×16×8×625=？a、540

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54×125×16×8×625=？
a、540000000
b、530000000
c、440000000
d、450000000

参考答案:

A

54×125×16×8×625
       =125*8*125*8*2*5*54
       =1000*1000*540
       =540000000

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