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In ex. 2*8:2+3*2-16= asezati o pereche de paranteze pebtru a obtine rezultatul:

a)12. b)4


Răspuns :

2× ( 8:2+3×2) -16 =
2× ( 4+6)-16=
2× 10 -16 =
20-16=4

2× ( 8:2+3)×2-16=
2×(4+3)×2-16=
2×7×2-16=
14×2-16=
28-16=12
a)   2*(8:2+3)*2-16 = 12 

b)   2*(8:2+3*2) -16 =  4