从3,4,5,6,7,8,9,10这八个数中取六个数,组成两数相加且和相等的三组算式

问题描述:

从3,4,5,6,7,8,9,10这八个数中取六个数,组成两数相加且和相等的三组算式

3和9,4和8,5和7,