GWD 2-29

fengyun158

Q29:

If 10⁵⁰ – 74 is written as an integer in base 10 notation, what is the sum of the digits in that integer?

 

A.  424

B.  433
                

C.       440

D.       449

E.        467

 答案为C.

我算出来为48*9+26=432+26=458，怎么回事呀？

dreamdomy

48*9+2+6=440

fengyun158

谢谢小菜，粗心之错。晚上睡觉还想着这到题呢。

zhezherun

应该是9*48+2+6=440

ningleena

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