
Leutakfen
5 год назад
КАНТРОШУ ПО МАТЕМАТИКЕ ПОМАГИИТТЕЕЕЕ

ОТВЕТЫ

Iliyan
Nov 28, 2020
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.
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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.