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
举报
1050-74=9999....9926
黃色部份共有50-2
so 9*48+2+6=440
感激不尽啊!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
发表回复
手机版|ChaseDream|GMT+8, 2025-11-7 02:16 京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
ChaseDream 论坛
© 2003-2025 ChaseDream.com. All Rights Reserved.