Question

КАНТРОШУ ПО МАТЕМАТИКЕ ПОМАГИИТТЕЕЕЕ!!!​

Answer 1

Ответ:

a=1,44.

1⁴/⁹a - ⅓a - ⁵/¹²a = 1¹⁶/³⁶a - ¹³/³⁶a - ¹⁵/³⁶a = 1³/³⁶a - ¹⁵/³⁶a = ³⁹/³⁶a - ¹⁵/³⁶a = ²⁵/³⁶a = 25/36 × 1,44 = 25/36 × 36/25 = 1.