6(7+1)(7^2+1)(7^4+1)(7^8+1)+1

2024-12-01 02:53:04
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回答1:

6(7+1)(7^2+1)(7^4+1)(7^8+1)+1
=(7-1)(7+1)(7^2+1)(7^4+1)(7^8+1)+1
=(7²-1)(7^2+1)(7^4+1)(7^8+1)+1
=(7^4-1)(7^4+1)(7^8+1)+1
=(7^8-1)(7^8+1)+1
=(7^16-1)+1
=7^16