规定a*b=ab-a-b+2012,那么8*9=( )
问题描述:
规定a*b=ab-a-b+2012,那么8*9=( )
答
8*9
=8×9-8-9+2012
=2067
规定a*b=ab-a-b+2012,那么8*9=( )
8*9
=8×9-8-9+2012
=2067