Răspuns:
2⁵⁶×2²:2⁵⁰-4²
2⁵⁸:2⁵⁰-4²
2⁸-4²
2⁸-(2²)²
2⁸-2⁴
256-16
240
( 2⁷ )⁸ • 2² ÷ 2⁵⁰ - 4² = 2⁵⁶ • 2² ÷ 2⁵⁰ - 2⁴ = 2⁸ - 2⁴ = ( 2⁴ - 1 ) • 2⁴ = ( 16 - 1 ) • 16 = 15 • 16 = 240