对于两个数A与B,规定A#B=AXB+A+B,试计算7#9

问题描述:

对于两个数A与B,规定A#B=AXB+A+B,试计算7#9

7#9 = 7×9+7+9 =63+16 =79

7#9
=7×9+7+9
=63+7+9
=79