Question

вычислите -53:3+31=.

Answer 1

$- \frac{53}{3} + \frac{31}{1} = \frac{ - 53 + 3 \times 31}{3} = \\ \\ \frac{ - 53 + 93}{3} = \frac{40}{3} = 13 \frac{1}{3}$