1/5-(2/3-4/5) Nhanh nhe

2 bình luận về “1/5-(2/3-4/5) Nhanh nhe”

1. Giải đáp:

   1/5-(2/3-4/5)

   =1/5-(10/15-12/15)

   =1/5-(-2/15)

   =3/15+2/15

   =5/15

   =1/3

   Vậy 1/5-(2/3-4/5)=1/3

   @ Huyyy

    

   Trả lời
2. 1/5 – (2/3 – 4/5)

   = 1/5 – (10/15 – 12/15)

   = 1/5 – (-2)/15

   = 3/15 – (-2)/15

   = 5/15 = 1/3

    

   Trả lời