江苏省第十七届初中数学竞赛初二年级第 16题为 :图 1将 2 ,3,4 ,… ,11这 10个自然数填到图 1中的 10个格子里 ,每个格子只填一个数 ,使得“田”字形的 4个格子中所填自然数的和都等于 p,那么 p的最大值是 .该题设计精巧 ,趣味盎然 ,既有激活思维、启迪智慧之功 ,又有培养能力 The 16th issue of the 17th junior high school mathematics competition in Jiangsu Province is as follows: Figure 1 Fill the 10 natural numbers of 2, 3, 4 ,..., 11 into the 10 grids in Figure 1, and fill only one in each grid. The number makes the sum of the natural numbers filled in the four lattices of the “Tian” shape equal to p, then the maximum value of p is. The design is exquisite and full of interest. It has both the power of activating thinking, enlightening wisdom, and the ability to cultivate.