题目： A teacher wants her students to guess the three-digit number that she is thinking. She gives these clues:
1) It is divisible by both 3 and 11.
2) If you subtract one, the result is divisible by both 2 and 7.
Which number is it?
请给出解题步骤！ 谢谢啦
评论
3*11=33再乘一个奇数，那就从5，9，11，13，15，17试过去。
评论
2018 middle primary amc 27题
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