AMC 8 1990 Problem 1
AMC8 1990 年第 1 题
逻辑推理（跨域）★★☆☆☆
What is the smallest sum of two 3 -digit numbers that can be obtained by placing each of the six digits 4,5,6,7,8,9 in one of the six boxes in this addition problem?
将六个数字 4,5,6,7,8,9 放入此加法算式的六个方框中各一次，能得到的两个三位数之和最小是多少？
- A.947
- B.1037
- C.1047
- D.1056
- E.1245
正确答案 · Correct Answer
C
解析 · Solution
解析整理中
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