Question

Efectuați !!!!!!!!!!!

Answer 1

(7 supra 4 ,3)intersectat cu ( 7 supra 3 ,3)= ( 7 supra 3 ,3)

Answer 2

$\it \dfrac{7}{4} \ \textless \ \dfrac{7}{3} \Longrightarrow \left(\dfrac{7}{4},\ 3\right) \supset \left(\dfrac{7}{3},\ 3\right) \Longrightarrow \left(\dfrac{7}{4},\ 3\right) \cap \left(\dfrac{7}{3},\ 3\right) = \left(\dfrac{7}{3},\ 3\right)$