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