规定运算:“△”,“※”,使得a△b=ab-1,a※b=a/b+1求(6△8)※[6※(-8)]的值.急++++++++++++++++++++++++++++++++++++++++++++++++++++
问题描述:
规定运算:“△”,“※”,使得a△b=ab-1,a※b=a/b+1求(6△8)※[6※(-8)]的值.
急++++++++++++++++++++++++++++++++++++++++++++++++++++
答
6※(-8)=1/4
6△8=49
(6△8)※[6※(-8)]=49*4+1=197
答
(6△8)※[6※(-8)]
=(6*8-1)※[6/(-8)+1]
=47※(1/4)
=47/4+1
=51/4