AMC 8 1997 Problem 3

AMC8 1997 年第 3 题

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Which of the following numbers is the largest?

以下哪个数最大？

正确答案 · Correct Answer

解析 · Solution

Solution 1

Using the process of elimination:

Tenths digit: All tenths digits are equal, at 9.

Hundreths digit:

A

B

, and

C

all have the same hundreths digit of 7, and it is greater than the hundredths of

D

E

(which is 0 ). Eliminate both

D

and

E

Thousandths digit:

B

has the largest thousandths digit of the remaining answers, and is the correct answer.

A

has an "invisible" thousandths digit of 0, while

C

also has a thousdandths digit of 0.

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