8100÷18÷15的简便运算?

2025-03-23 00:21:13
推荐回答(2个)
回答1:

原式=8100/(18x15)
=8100/(150+120)
=8100/270
=27x30/27
=30

回答2:

8100÷18÷15
=8100÷(9x2)÷15
=8100÷9÷(2x15)
=900÷30
=30