a4b47a5b511的知识精选

观察下列各式:a+b=1.a2+b2=3,a3+b3=4,a4+b4=7,a5+b5=11,…,则a10+b1...
问题详情:观察下列各式:a+b=1.a2+b2=3,a3+b3=4,a4+b4=7,a5+b5=11,…,则a10+b10=( )A.28                        B.76                         C.123          ...
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