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Lucrati ce se vede va rog urgent

Lucrati Ce Se Vede Va Rog Urgent class=

Răspuns :

e)  = 7/12+19/8+5/3+5/6 = (7x2+19x3+5x8+5x4) /24 =
     =(14+57+40+20 )/24 =131/24
f) = 10/3+2/9+8/5+4/15 =(10x15+2x5+8x9+4x3) /45 =
    = (150+10+72+12)/45 =244/45

b)  = 3/16+3/2+1/4+79/36=(9x3+72x3+36x1+79x4)/144 =
     = (27+216+36+316)/144 =595/144