规定一种新运算a*b=a-b²,则(-5*3)*(-3)=
问题描述:
规定一种新运算a*b=a-b²,则(-5*3)*(-3)=
答
-5*3=-5-3²=-14
(-5*3)*(-3)
=(-14)*(-3)
=-14-(-3)²
=-14-9
=-23