Q14:
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
这题啥意思呀~?
问的是1050 – 74 后各位数的和..即个位+十位+百位..............
1.......48个0........00 -74= ...48个9......26
2+6+9*48=440
不知道有没有帮到你
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