Răspuns :
[tex]\it \dfrac{5}{8}\cdot \ell=2 \Rightarrow \ell=2\cdot\dfrac{8}{5}=2\cdot1,6=3,2\ m[/tex]
5/8 • x= 2
5x/8= 2 (•8)
5x/8= 16/8 (reducem numitorul)
5x= 16
x= 16/5
x=3,2 m (lungimea scândurii)
[tex]\it \dfrac{5}{8}\cdot \ell=2 \Rightarrow \ell=2\cdot\dfrac{8}{5}=2\cdot1,6=3,2\ m[/tex]
5/8 • x= 2
5x/8= 2 (•8)
5x/8= 16/8 (reducem numitorul)
5x= 16
x= 16/5
x=3,2 m (lungimea scândurii)