Răspunsuri

2014-10-31T12:27:23+02:00
1) M_{aritmetica} = \frac{a+b+c}{3} =75a+b+c=75*3a+b+c=225
Suma numerelor este 225
2) M_{aritmetica} = \frac{a+b}{2} =24
 \frac{a}{b} =3a=3b
a+b=2*24a+b=483b+b=484b=48b= \frac{48}{4} =12
a=3b=3*12=36
Verificare:M_{aritmetica} = \frac{a+b}{2} = \frac{36+12}{2} = \frac{48}{2} =24






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