333×777÷999可以巧算吗?

2025-03-01 10:25:35
推荐回答(1个)
回答1:

666✖️777➗222➗333
=666×777÷(222×333)
=666×777÷(111×2×333)
=666×777÷(111×666)
=(666÷666)×(777÷111)
=1×7
=7