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 )
答
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