(m-6)²+2|n-m+4|=0.
由于(m-6)²与2|n-m+4|均不小于0,
故:(m-6)²=0 m=6
2|n-m+4|=0,n=2
AB=AP+PB=(n+1)PB=m PB=m/(n+1)=2
AQ=AP+PQ=AP+PB/2=nPB+PB/2=(n+1/2)PB=m*(n+1/2)/(n+1)=6*3/2.5=7.2
(m-6)²+2|n-m+4|=0.
由于(m-6)²与2|n-m+4|均不小于0,
故:(m-6)²=0 m=6
2|n-m+4|=0,n=2
AB=AP+PB=(n+1)PB=m PB=m/(n+1)=2
AQ=AP+PQ=AP+PB/2=nPB+PB/2=(n+1/2)PB=m*(n+1/2)/(n+1)=6*3/2.5=7.2