先化简,再求值:6(7+1)(7²+1)([7^4]1)([7^8]+1)+1
问题描述:
先化简,再求值:6(7+1)(7²+1)([7^4]1)([7^8]+1)+1
答
6(7+1)(7²+1)([7^4]1)([7^8]+1)+1 =(7-1)(7+1)(7²+1)([7^4]1)([7^8]+1)+1 =(7²-1)(7²+1)([7^4]+1)([7^8]+1)+1 =(7^4-1)([7^4]+1)([7^8]+1)+1 =(7^8-1)(7^8+1)+...