Oblicz.
-5 3/4+ 7 1/4=
-2 1/3+ 3 1/4+ (-1 5/6)=
DAJE NAJ


Oblicz 5 34 7 14 2 13 3 14 1 56 DAJE NAJ class=

Odpowiedź :

- 5 3/4 + 7 1/4 = 7 1/4 - 5 3/4 = 6 5/4 - 5 3/4 = 1 1/4

-2 1/3 + 3 1/4 + (- 1 5/6) = - 2 4/12 + 3 3/12 - 1 10/12 = 3 3/12 - 4 2/12 = - 1 1/12

- 5  3/4 + 7 1/4 = 1 1/2  inaczej 1,5

-2 1/3 + 3 1/4 - 1 5/6 = 11/12 - 11/6 = -11/12