Question

Ajutatima va rog la ex 2

Answer 1

a).2019^0=1

1^2019=1

17^2=17*17=289

3^5=3*3*3*3*3=243

b).(7^2-3^2):2^2+7^2-1^2019+0^2020

(49-9):4+49-1+1=40:4+49=59

c).[(14^2-13^2):27-2^0]*2+2018^0

[(196-169):27-1]*2 + 1=(27:27-1)*2 +1 = 0*2+1=1