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gwd 10 14
Q14:
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
这道题不会做,答案是C.440 as an integer in base 10 notation什么意思?
请指教
我算出来是431,答案中根本没有:( |
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