a) 4³ ⋅ 3¹⁰ / 6¹⁰ = 12¹³ / 6¹⁰ = (2²)³ ⋅ 3¹⁰ / (3 ⋅ 2)¹⁰ = 2⁶ ⋅ 3¹⁰ / 3¹⁰ ⋅ 2¹⁰ = 1 / 2¹⁰⁻⁶ = 1 / 2⁴ = 1/16
Ответ: 1/16