9/2÷[6/5×﹙5/4-3/2﹚]

问题描述:

9/2÷[6/5×﹙5/4-3/2﹚]

9/2÷[6/5×﹙5/4-3/2﹚]
=9/2÷(6/5×3/2)
=9/2÷9/5
=5/2