Question

Calculati media ponderata!




a) 5 si 4 cu ponderile 2 si 7











b) 5/6 , 3/4 , 7/2 cu ponderile 3 , 6 si 15












c) 1/14 , 8/ 7 , 1/2 si 3/14 cu ponderile 3 , 5 , 7 si 11















Va rog mult .. Urgent , ofer 20 pct si coroana !!! Cat de repede se poate!

Answer 1

(5*4+2*7)/2+7==(20+14)/9=34/9

(5/6*3/4*7/2+3*6*15)/3+6+15
(2.1875+270)/3+6+15=272.1875

(11/4*8/7*1/2*3/14+3*5*7*11)/3+5+7+11=
1155.336 / 27=42.790