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.
答
2.5 35.518.4
34.718.82.9
19.22.1 35.1