设a*b=a*a+2b,那么求10*6和5*(2*8)

问题描述:

设a*b=a*a+2b,那么求10*6和5*(2*8)

10*6
=10x10+2x6
=112
5*(2*8)
=5*(2x2+2x8)
=5*20
=5x5+2x40
=105