M(6)=M(5)+M(4)
=M(4)+M(3)+M(3)+M(2)
=M(4)+2M(3)+M(2)
=M(3)+M(2)+2(M(2)+M(1))+M(1)+M(0)
=3+2+2*3+1+1
42.以下程式計算Mystery(6)的結果為何? (A) 13 (B) 9 (..-阿摩線上測驗