Question

一篮子鸡蛋最多55个,3个3个的数余一个,5个5个的数余2个,问这篮子鸡蛋有多少个?用方程解决

Answer 1

设篮子鸡蛋有x,

(x-2)/5为正整数,x=52,47,42,37,32,27,22,17,12,7.

又因(x-1)/3为正整数,代入x=52,37,22,7.满足