hveți mai repede calculând:

a) (56:2puterea2 +2*9:3): 2puterea2 – 2puterea2 =

b) 3puterea5*(3puterea2*3puterea7)totul la puterea 3:3puterea2puterea5 =

c) (576:48+4puterea2): (2puterea9:2puterea7) =

d) [(4puterea2+2puterea2):5+8*7]:5-3puterea2-3puterea1=

e) [(25*7–13puterea2)* 12puterea17-4puterea10 =​