Question

va rog frumos si punctele a si b dau coroana

Answer 1

Răspuns:

a) [(1/3-1/9)^2+(1/3)^3]÷(1/3)^4

[(2/9)^2+(1/3)^3]÷(1/3)^4

[4/81+1/27]÷(1/3)^4

7/81÷1/81

7/81×81

7

b)[(5/2+5/4-3/4)÷5+2/5]^5

[(10/4+5/4-3/4)÷5+2/5)]^5

[(15/4-3/4)÷5+2/5)^5

(12/4÷5+2/5)^5

(3/5+2/5)^5

(5/5)^5

1^5

1

^ = putere

/ = supra