Question

Exercitiile incercuite.coroana si 10 p

Answer 1

12a) $1.8(3) * \frac{3}{7}$ ⇒ $\frac{9}{5} *3* \frac{3}{7}$ ⇒ $\frac{81}{35}$
13b) $1* \frac{3}{7} * (-|-2*2|)$ ⇒ $\frac{3}{7} *(-|-4|)$ ⇒ $\frac{3}{7} *(-4) =- \frac{12}{7}$