Răspuns:
( 2 × 27 ) : ( 3 + 7 - 1 ) = 6
= 54 : ( 10 - 1 ) =
= 54 : 9 =
= 6
____________________________
b)
5 × ( 4 : 2 + 8 - 2 ) = 40
= 5 × ( 2 + 8 - 2 ) =
= 5 × ( 10 - 2) =
= 5 × 8 =
= 40
_______________________
c)
5 × 4 : (2 + 8) - 2 = 0
= 20 : 10 - 2 =
= 2 - 2 =
= 0
La d nu am stiut:(
Dar sper ca te-am ajutat cu restul:)