Sagot :
Bjr,
2 - 6/7 + 3/2 = (2 * 14)/(14 * 1) - (6 * 2)/(7 * 2) + (3 * 7)/(2 * 7) = 28/14 - 12/14 + 21/14 = 16/14 + 21/14 = 37/14
Bjr,
2 - 6/7 + 3/2 = (2 * 14)/(14 * 1) - (6 * 2)/(7 * 2) + (3 * 7)/(2 * 7) = 28/14 - 12/14 + 21/14 = 16/14 + 21/14 = 37/14