t****y
发帖数: 55 | 1 A GMAT question:
"If 1050 – 74 is written as an integer in base 10 notation, what is the sum
of the digits in that integer?"
how to solve this problem? thanks a lot! | s*****0
发帖数: 357 | 2 题你写错了，10^50-74，你可以从100想起，是10的平方，-74=26，48*9+2+6=440（前
面有48个9+十位的2+个位的6）
sum
【在 t****y 的大作中提到】
: A GMAT question:
: "If 1050 – 74 is written as an integer in base 10 notation, what is the sum
: of the digits in that integer?"
: how to solve this problem? thanks a lot!
| t****y
发帖数: 55 | 3 thanks
sum
【在 t****y 的大作中提到】
: A GMAT question:
: "If 1050 – 74 is written as an integer in base 10 notation, what is the sum
: of the digits in that integer?"
: how to solve this problem? thanks a lot!
|
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