把2.1,2.5,2.9,18.4,18.8,19.2,34.7,35.1,35.5填入方格中,使每行,每列,每条对角线的三个数的和都相等.

问题描述:

把2.1,2.5,2.9,18.4,18.8,19.2,34.7,35.1,35.5填入方格中,使每行,每列,每条对角线的三个数的和都相等.

2.5 35.5 18.4
34.7 18.8 2.9
19.2 2.1 35.1