x=3⁷·9²:[2²-(27·5+10¹⁰)⁰]¹⁰ = 3⁷·3⁴:[2²-1]¹⁰ = 3¹¹:(4-1)¹⁰ = 3¹¹:3¹⁰ = 3
y=5¹⁰:5⁸:5-3¹⁰⁰:9⁵⁰-2⁵⁰ = 5-(3²)⁵⁰:9⁵⁰-2⁵⁰ = 5-9⁵⁰:9⁵⁰-2⁵⁰ = 5-1-2⁵⁰ = 4-2⁵⁰
(x-y)²⁰⁰⁰ = [3-(4-2⁵⁰)]²⁰⁰⁰ = (3-4+2⁵⁰)²⁰⁰⁰ = (-1+2⁵⁰)²⁰⁰⁰ = (2⁵⁰-1)²⁰⁰⁰
(x+y)²⁰⁰⁰ > 2⁴⁰⁰⁰
(2⁵⁰-1)²⁰⁰⁰ > (2²)²⁰⁰⁰
2⁵⁰-1 > 4²⁰⁰⁰