4.64x7分之3-5.36x(-7分之3 )+3x(-7分之3 )

问题描述:

4.64x7分之3-5.36x(-7分之3 )+3x(-7分之3 )

4.64x7分之3-5.36x(-7分之3 )+3x(-7分之3 )
=3/7x(4.64+5.36-3)
=3/7x7
=3