Question

2/3 * (- a) * 11/22
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Answer 1

Ответ:

$\frac{x}{y} \frac{2}{3}*(-a)*\frac{11}{22}=\frac{2*11}{3*22}*(-a) = \frac{11}{3*11}*(-a) = \frac{1}{3} *(-a) = -\frac{1}{3} a$