Question

va rog ajutorrrr!!!
Dau coroana!!!!!​

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

$\it b)\ \ \ 2\dfrac{1}{7}:4\dfrac{1}{6}\cdot2\dfrac{1}{6}=\dfrac{15}{\not7}\cdot\dfrac{\ \not6\ \ ^2}{25}\cdot\dfrac{\not7}{\not3}=\dfrac{\ 30^{(5}}{25}=\dfrac{6}{5}=1\dfrac{1}{5}\\ \\ \\ d)\ \ 3\dfrac{1}{3}\cdot\Big(2\dfrac{3}{4}:5\dfrac{1}{2}\Big)=\dfrac{10}{3}\cdot\dfrac{\not11}{\not4\ ^2}\cdot\dfrac{\not2}{\not11}=\dfrac{\ 10^{(2}}{6}=\dfrac{5}{3}=1\dfrac{2}{3}$