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Daca 15/x = 5/2, atunci x +....

Răspuns :

Daca 15/x = 5/2, atunci x= (15•2)/5
x= 30/5
x=6
[tex]\frac{15}{x} = \frac{5}{2}\\ \\x=( 15\cdot2):5=30:5=6[/tex]