AMC 8 1994 Problem 15
AMC8 1994 年第 15 题
余数与同余★★★☆☆
If this path is to continue in the same pattern:
then which sequence of arrows goes from point 425 to point 427 ?
如果该路径按同样的模式继续：
那么从点 425 到点 427 应该是哪个箭头序列？
- A.
- B.
- C.
- D.
- E.
正确答案 · Correct Answer
A
解析 · Solution
Solution 1
Notice the pattern from 0 to 4 repeats for every four arrows. Any number that has a remainder of 0 when divided by 4 corresponds to 0.
The remainder when 425 is divided by 4 is 1. The arrows from point 425 to point 427 correspond to points 1 and 3, which have the same pattern as .
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