Question

-3a+7b-7a+2b при а= -0.8 и b=5/9

Answer 1

Ответ:

$2.4 + \frac{35}{9} + 5.6 + \frac{10}{9} = \frac{12}{5} + \frac{35}{9} + \frac{28}{5} + \frac{10}{9} = 13$