[問題] 請問題目的意思

[a2518065 (歡樂時光 ^^)]

題目如下:

If 10^50-74 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

請教各位了 = ="


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