1000+999-998-997+996+995-994_993+...+104+103-102-101求解

2024-12-17 17:03:55
推荐回答(1个)
回答1:

1000+999-998-997+996+995-994_993+...+104+103-102-101
=1000+(999-998)-(997-996)银此+(995-994)-(993-992)锋稿迅敬枯+.......(103-102)-101
=1000+1-1+1-1+1-1+......+1-101
=1001-101
=900