Răspuns :
1/3×6+4/3×21/28+3intregi1/2×7intregi3/5 =
= 2 + 7/7 + 7/2 x 38/5 = 2 + 1 + 133/5 = 3 + (130+3)/5 = 3 + 26 + 3/5 = 29 si 3/5
= 2 + 7/7 + 7/2 x 38/5 = 2 + 1 + 133/5 = 3 + (130+3)/5 = 3 + 26 + 3/5 = 29 si 3/5