1,因为,a△b=a²-a×b+a-1
所以,(1/2)△(-3) = (1/2)^2 -(1/2)×(-3)+ 1/2 -1
= 1/4 + 3/2 +1/2 -1 = 5/4
2 -3又1/4 +(+8又1/2) -(-5又3/4)
=-13/4 + 17/2 + 23/4
= 5...
1,因为,a△b=a²-a×b+a-1
所以,(1/2)△(-3) = (1/2)^2 -(1/2)×(-3)+ 1/2 -1
= 1/4 + 3/2 +1/2 -1 = 5/4
2 -3又1/4 +(+8又1/2) -(-5又3/4)
=-13/4 + 17/2 + 23/4
= 5...