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[a+1/a][a2+1/a2][a4+1/a4][a8+1/a8][a16+1/a16]这道题怎么解?
题目详情
[a+1/a][a2+1/a2][a4+1/a4][a8+1/a8][a16+1/a16] 这道题怎么解?
▼优质解答
答案和解析
[a-1/a][a+1/a][a2+1/a2][a4+1/a4][a8+1/a8][a16+1/a16]/[a-1/a]=[a²-1/a²][a2+1/a2][a4+1/a4][a8+1/a8][a16+1/a16]/[a-1/a]=[a4-1/a4][a4+1/a4][a8+1/a8][a16+1/a16]/[a-1/a]=[a8-1/a8][a8+1/a8][a16+1/a...
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