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若1/(1+a)+2/(1+a^2)+4/(1+a^4)+8/(1+a^8)=0求（1+a）(1+a 2020-03-30 …
急用急用!一简便计算:29.73-(8.4+8.73)14.7+8.17+5.3+1.8386.8 2020-04-07 …
(a+1/a)(a^2+1/a^2)(a^4+1/a^4)(a^8+1/a^8)(a^16+1/a 2020-05-22 …
(a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)=(a-1)[(a+1)(a^ 2020-05-22 …
1/(1+a)+2/(1+a^2)+4/(1+a^4)+8/(1+a^8)+16/(1+a^16) 2020-05-22 …
1/(a+1)+2/(1+a^2)+4/(1+a^4)+8/(1+a^8)+16/(1+a^16) 2020-05-22 …
已知分式1\(1-a)+1\(1+a)+2\(1+a2)+4\(1+a4)+8\(1+a8)+16 2020-06-12 …
1,3,4,8,16,()A.26B.24C.32D.16两种答案B和C选c：1+3=41+3+4 2020-07-16 …
(a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)必采(a+1)(a^2+1)( 2020-07-18 …
求以下逻辑数列题的答案.文科生的烦恼一.-1,6,25,62,()A．87B．93C．124D．12 2020-11-21 …