Suma trzech liczb wynosi 37. Znajdź te liczby , jeżeli druga z nich jest o 2 wieksza od pierwszej i trzecia stanowi 5/4 drugiej.
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l1+l2+l3 = 37
l1 = x
l2 = x+2
l3 = 5/4(x+2)
x+x+2+ 1.25x + 2.5 = 37
3.25 x = 37-4.5
3.25 x = 32.5/3.25
x = 10
l1 = 10
l2 = 12
l3 = 15
l1+l2+l3 = 37
Prosze;)