x=1000yQuantity A: the sum of digits of xQuantity B: the sum of digits of yA、Q

游客2025-02-23  5

问题 x=1000y
Quantity A: the sum of digits of x
Quantity B: the sum of digits of y

选项 A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.

答案 C

解析 如果x和y都表示成科学记数法,那么显然x和y各位数字都相同,唯一有变化的是10的幂不一样,所以选择C。
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