Question

va rog ajutati-ma!!!
7,8 si 9

Answer 1

X=(2^900 x 2^600+2^2000 x 2^500) x 2 = (2^1500+2^1500) x 2 = 2^1500(1+1) x 2 = 2^1500 x 2^2 = 2^1502 = (2^751)^2
Y=5 x 3^2000(9-3-1)= 5^2 x 3^2000 = 5^2 x (3^1000)^2 = (5 x 3^1000)^2