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a fost răspuns

Exercitii ordine operatiilor:
1) 25×100-394+(52×17+63:9)×7=
2) [(52×10-97×4):2]+(58×3):2=
3) (57×2)-31×3+[(2000-134×3)]:2=

Răspuns :

Lupugeorge38
1) 2500-394+(884+7)x7=2500-394+891x7=2106+6237=8343
2) [(520-388):2]+174:2=132:2+87=66+87=153
3) 114-93+(2000-402):2=21+1598:2=799+21820
Editat.