SIEMA BARDZO PROSZĘ O SZYBKIE OBLICZENIA

Zad.2 a) -5 x(-5)^9 :(-5)^8 =(-5)^10:(-5)^8 =(-5)^2 =25 b) (-3)^7:(-3)^6 x (-3)^2 =(-3):(-3)^2 =(-3)^(-1) = -1/3 c) (0,7)^6 x (1 3/7)^6 -(1,6)^3:(0,8)^3 = =(7/10)^6 x (10/7)^6 - (16/10)^3:(0,8)^3 = =1^6 -(16/10 x 10/8)^3 =1 -2^3 =1- 8 = -7 d) (0,9)^9 x (1 1/9)^9 -(1,2)^10:(1 1/5)^10 = =(9/10)^9 x (10/9)^8 -(12/10)^10:(12/10)^10 = =(9/10 x 10/9)^9 -(12/10 x 10/12)^10 =1 -1 = 0