81÷3x3的简便方法?

2025-04-05 20:21:24
推荐回答(2个)
回答1:

解析:依题意可得,

81÷3×3

=81×(3÷3)

=81×1

=81

回答2:

简便计算:
81÷3×3
=81×(3÷3)
=81×1
=81