Question

3 1/2 +1 2/3 -2.20
Necesito ayuda

Answer 1

Respuesta:

$3 \frac{1}{2} +1 \frac{2}{3} - 2 \times 20 = \\ \\ \frac{2 \times 3 + 1}{2} + \frac{3 \times 1 + 2}{3} - 40 = \\ \\ \frac{7}{2} + \frac{5}{3} - 40 = \\ \\ \frac{21 + 10 - 240}{6} = \frac{209}{6}$