Răspuns :
Răspuns: 1/15
Rezolvare: 1/2•1/3-1/2•1/5 = 1/6-1/10 = 5/30-3/30=2/30=1/15
Rezolvare: 1/2•1/3-1/2•1/5 = 1/6-1/10 = 5/30-3/30=2/30=1/15
Răspuns:
1/2×{1/3-1/5}=
1/2×{5/15-3/15}=
1/2×2/15=2/30=1/15
Sper ca te-am ajutat cu acest raspuns!!