5粒一数有少3粒,可理解为5粒一数有余2粒.则这盒糖至少有7,12,17,22,27,32,37,42,47,52,57,62,67,72,77,82,87,92,97,102,107……3粒一数正好,则这盒糖至少有12,27,42,57,72,87,102……7粒一数余4粒,则这盒糖至少有11,...