计算6(7+1)(7 2 +1)(7 4 +1)(7 8 +1)+1的

计算6(7+1)(7 2 +1)(7 4 +1)(7 8 +1)+1的值
2024-12-01 05:52:24
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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,
=(7 2 -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