AMC 8 1990 Problem 11
AMC8 1990 年第 11 题
奇偶性★★★☆☆
Problem The numbers on the faces of this cube are consecutive whole numbers. The sum of the two numbers on each of the three pairs of opposite faces are equal. The sum of the six numbers on this cube is
此正方体面上的数字是连续的正整数。三组相对面上每组的两个数字之和相等。正方体上六个数字之和为
- A.75
- B.76
- C.78
- D.80
- E.81
正确答案 · Correct Answer
E
解析 · Solution
解析整理中
继续练习