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{1/3,x,t}d.p{5/9,2/3,5/7} x si t=?

Răspuns :

Mikkka
1/3 : 5/9= x/1 : 2/3 = t/1 : 5/7
1/3*9/5= x/1 *3/2=t/1*7/5
9/15= 3x/2=7t/5
3/5=3x/2=7t/5

3/5=3x/2 ⇒ x=2*3/3*5=3/5⇒ x=2/5
3/5=7t/5⇒ 7t=3⇒ t=3/7

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