= [ 2¹² x 2¹⁸ + 5⁷⁰ : 5¹⁰ - ( 3²⁵ )² ] : [ 4² x 2³ x 2²³ + ( 5¹⁵ )⁴ - ( 3² ) ⁵ ˣ ⁵ ] = 1
= [ 2 ⁽ ¹² ⁺ ¹⁸ ⁾ + 5 ⁽ ⁷⁰ ⁻ ¹⁰ ⁾ - 3 ²⁵ ˣ ² ] : [ ( 2² )² x 2 ⁽ ³ ⁺ ²³ ⁾ + 5 ¹⁵ ˣ ⁴ - 3 ² ˣ ²⁵ ] =
= ( 2³⁰ + 5⁶⁰ - 3⁵⁰ ) : ( 2³⁰ + 5⁶⁰ - 3⁵⁰ ) =
= 1
[2¹²2¹⁸ + 5⁷⁰ : 5¹⁰ - (3²⁵)²] : [4²2³2²³ + (5¹⁵)²⁾² - (3²)⁵⁾⁵] =
= [2¹²⁺¹⁸ + 5⁷⁰⁻¹⁰ - (3²⁵ˣ²] : [2²⁾²2³2²³ + (5¹⁵)⁴ - (3²)²⁵]
= (2³⁰ + 5⁶⁰ - 3⁵⁰) : (2⁴2³2²³ + (5¹⁵)⁴ - (3²)²⁵)
= (2³⁰ + 5⁶⁰ - 3⁵⁰) : (2³⁰ + 5⁶⁰ - 3⁵⁰)
