Question

ex2,3 repedeeee va rogggg dau coroanaaaaaaa​

Answer 1

Răspuns:

Explicație pas cu pas:

Exercițiul 2) este in imagine

Exercițiul 3)

$\bf a)~~\dfrac{7}{8}+\dfrac{3^{(3}}{6}= \dfrac{7}{8}+\dfrac{^{4)}1~}{2}=\dfrac{7+4}{8}=\red{\dfrac{11}{8} }$        

$\bf b)~~\dfrac{5^{(3}}{3}-\dfrac{4}{9}= \dfrac{15-4}{8}=\red{\dfrac{11}{9} }$

$\bf c)~~\dfrac{\not8}{\not9}\cdot\dfrac{\not3}{\not4}= \dfrac{2}{3}\cdot\dfrac{1}{1}=\red{\dfrac{2}{3} }$

$\bf d)~~\bigg(\dfrac{3}{4}\bigg)^3=\dfrac{3^{3}}{4^{3}}= \red{\dfrac{27}{64} }$

 

Answer 2

Răspuns:

Explicație pas cu pas: