题目
答案 |
| ∵5<10,∴f(5)=f(f(5+5))=f(f(10))=f(7) ∵7<10,∴f(7)=f(f(7+5))=f(f(12))=f(9) f(9)=f(f(9+5))=f(f(14))=f(11)=11-3=8 故答案为:8 |
答案 |
| ∵5<10,∴f(5)=f(f(5+5))=f(f(10))=f(7) ∵7<10,∴f(7)=f(f(7+5))=f(f(12))=f(9) f(9)=f(f(9+5))=f(f(14))=f(11)=11-3=8 故答案为:8 |