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Florinn8
a fost răspuns

15+2×{[3×(5^17÷5^15)-2^3×9÷3^2+3×(10+1^2017)]÷2^2}

Răspuns :

DarcyTay
15+2×{[3×(5^17÷5^15)-2^3×9÷3^2+3×(10+1^2017)]÷2^2}=15+2×{[3×(5^2)-2^3×9÷3^2+3×(10+1)]÷2^2}=
15+2×[(3×25-2^3×3^0+3×11)÷2^2]=15+2×[(75-2^3×1+33)÷2^2]=15+2×[(75-8+33)÷2^2]=15+2×(100÷4)=15+2×25=15+50=65

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