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11-{38-[3+1350÷5^2-(19^0+2^4×3)]}÷15

Răspuns :

11-{38-[3+1350÷5^2-(19^0+2^4×3)]}÷15 =

= 11-{38-[3+1350÷5^2-(1 + 16×3)]} : 15 =

= 11-[38-(3+1350: 25- 49)] : 15 =

= 11 - [ 38 - (3+54 - 49)] : 15 =

= 11 - (38 - 8) : 15 =

= 11 - 30 : 15 =

= 11 - 2 =

= 9