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a fost răspuns

Calculati
2^7-11•{91-5[22-5•(40^2-41•39)]}+(3^2-2^3)^2017
Dau coroana

Răspuns :

Petrachemihai8oz9ecb
2^7-11 x { 91 - 5[22- 5 x (40^2 -40^2+1)]}+(9-8)^2017=2^7-11 x [91-5 x (22-5)] +1^2017= 2^7 - 11 x 6 + 1 = 128 - 66 + 1 = 62+1=63.

 OBS: Acolo la 41 x 39 l am scris ca (40+1) x (40-1)= 40^2 - 1.