Macar jumate daca nu puteti plss
Calculeaza:
A) (-2)^5 B) -3^4
C) (-1)^1999x(-7)
D) (-2)^35:2^33
E) (-9)^25:3^50
F) (-8)^20:(-4)^25
G) [(-4)^2x 16^4]:(8^5)^2
H) (-2)^2x(-3)+[(-3)^2]^2-629
i) (5^30x5^20)^4-(-5)^60x(-5)^40x(-5)^30x(-5)^70

1

Răspunsuri

Cel mai inteligent răspuns!
2014-09-28T22:13:15+03:00
A) (-2)^5 =-32
B) -3^4=81
C) (-1)^1999x(-7)=(-1)*(-7)=-7
D) (-2)^35:2^33=(-2)^35-33=(-2)²=4
E) (-9)^25:3^50=(-3)^2·25:3^50=(-3)^50:3^50=3^50-50=1
F) (-8)^20:(-4)^25=(-2)^3·20:(-2)^2·25=(-2)^60:(-2)^50=(-2)^60-50=(-2)^10=704