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2/190 Efectuati:
a)13/9+5/6*8/3
b)21/5-1/10:1/2
c)33/1⁶-5/16:5/8-3/4*3/4
d)17/45*15/34+1/2+1/15*5
e)1/2*2/3+4/5*5/6​