把-1,2,-3,4,-5,6,-7,8,-9填入下图方框中使每行每列每条对角线的三个数满足乘积为负数并绝对值的和相
问题描述:
把-1,2,-3,4,-5,6,-7,8,-9填入下图方框中使每行每列每条对角线的三个数满足乘积为负数并绝对值的和相
绝对值的和相后面是等,图是横三格,竖三格一共有九个空格.
答
8-34
-1 -5 -9
6-72