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a fost răspuns

Efectuati: d) 3/7:(1/3+0,25-1/6):0,5;

Răspuns :

d)3/7:(1/3+25/100-1/6):5/10=
3/7:(1/3+1/4-1/6)×10/5=
3/7:(4+3-6)/12×2=
3/7×12/1×2=
(3×12×2)/7=
72/7