Question

8 supra 21 - 4 supra 35
Si

Sa faceti cele 3 probleme dau coroana
44333-54234x1&16929292h+a

Answer 1

Răspuns:

$\color{red}\Large\bf ~ \boxed{\Large\bf \dfrac{13}{2}}$

$\color{blue}\Large\bf \boxed{\Large\bf\dfrac{2}{3} }$

Explicație pas cu pas:

Salutare!

$\large\bf \star ~~2:\bigg(\dfrac{2}{3}\bigg)^{2} + \dfrac{11}{5}:\dfrac{11}{10}=$

$\large\bf ~2:\dfrac{2^{2}}{3^{2}} + \dfrac{11}{5}\cdot \dfrac{10}{11}=\not2\cdot \dfrac{3^{2}}{2^{\not2}} + \dfrac{\not11}{\not5}\cdot \dfrac{\not10}{\not11}=1\cdot \dfrac{3^{2}}{2^{1}} + \dfrac{1}{1}\cdot \dfrac{2}{1}=$$\large\bf ~ \dfrac{9}{2} + \dfrac{2}{1}=\dfrac{9}{2} +\dfrac{2\cdot2}{2}=\dfrac{9+4}{2} = \bf \boxed{\boxed{\bf \dfrac{13}{2}}}$

$\it ~~$

$\large\bf \star~~\dfrac{5}{24} + \dfrac{1}{12}+ \dfrac{3}{8}=\dfrac{5}{24} + \dfrac{2\cdot1}{2\cdot 12}+ \dfrac{3\cdot 3}{3\cdot 8}=\dfrac{5}{24} + \dfrac{2}{24}+ \dfrac{9}{24}=$

$\large\bf ~\dfrac{5+2+9}{24} =\Bigg(\dfrac{16}{24}\Bigg)^{(8} =\boxed{\boxed{\bf\dfrac{2}{3} }}$

Bafta multa!

PS: Daca esti pe telefon, te rog sa glisezi spre stânga pentru a vedea rezolvarea completa

==pav38==