Simplify: `{(-11/5)^5}^7xx{(-4/11)^2}^0`

Simplify: (3/11)^-5 xx (3/11)^3

Simplify : x^(5) div x^(7) xx x^(4)

Simplify: 5/(26)+(11)/(-39)

Simplify: (-1+(7)/(-9))+(11)/(12)

Simplify : ((13)/5xx8/3)-\ ((-5)/2xx(11)/3)

Simplify: (i) (3^5)^(11)xx(3^(15))^4-(3^5)^(18)xx(3^5)^5 , (ii) (16xx2^(n+1)-4xx2^n)/(16xx2^(n+2)-2xx2^(n+2))

Simplify: (i) 8/9+(-11)/6 (ii) (-5)/(16)+7/(24)

Simplify : 1 3/4xx 2 2/5xx 3 4/7

Simplify : ((13)/7xx(11)/(26))-\ ((-4)/3xx5/6)

Simplify: (i) ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (ii) (3/(11)xx5/6)-(9/(12)xx4/3)+(5/(13)xx6/(15))