Question

9а³-6а2b²/3a²b
а=2,5
b=4,25

Answer 1

Ответ:

$9 {a}^{3} - \frac{4b}{a} = 9 \times {2.5}^{3} - 6 \times 4.25 \div 2.5 = \frac{1077}{8} = 134 \frac{5}{8}$