👤

Rezolva exercitiu a+72:2-6×3=51


Răspuns :

a+72:2-6x3=51

a+36-18=51

a+36=51+18

a+36=69

a=69-36

a=33.

Succes !

............

a + 72 : 2 - 6 × 3 = 51

a + 36 - 18 = 51

a = 51 + 18 - 36 → metoda mersului invers

a = 69 - 36

a = 33

______________

Verific:  

33 + 72 : 2 - 6 × 3 = 51

= 33 + 36 - 18 =

= 69 - 18 =

= 51