题文
观察下列各式:a+b=1,a2+b2=3,a3+b3=4,a4+b4=7,a5+b5=11,…,则a8+b8=( )
| A.28 | B.47 | C.76 | D.123 |
相关知识点
推荐试卷
观察下列各式:a+b=1,a2+b2=3,a3+b3=4,a4+b4=7,a5+b5=11,…,则a8+b8=( )
| A.28 | B.47 | C.76 | D.123 |
试题篮
()