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RalucaVioleta2
a fost răspuns

1. Rezolva exercitile :
a. (86-48:3):2+37×2
b. [( 86-48:3):2+37]×2
2. Calculeaza respectand regulile.
[884 - 9 × ( 44 × 2 - 81 : 9 +(39:3-15:3) : 2 ] : 3 =

dau coroana

Răspuns :

Raisam21
1.
A) =(86-16):2+74=
=70:2+74=
=35+74=
=109

B) =[(86-48:3):2×37]×2=
=[86-16):2×37]×2=
=(70:2×37)×2=
=(35×37)×2=
=1295×2=
=2590

2.

=[884-9×(88-9+(13-5):2]:3=
=(884-9×79+8:2):3=
=(884-711+4):3=
=(173+4):3=
=177:3=
=59

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