Bonjour
h=3/4+5/4:(4/3-1/2)
h = 3/4 + 5/4 : [(4 x 2) / (3x2) - (1 x 3) / (2 x 3)]
h = 3/4 + 5/4 : (8/6 - 3/6)
h = 3/4 + 5/4 : 5/6
h = 3/4 + 5/4 x 6/5
h = 3/4 + 30/20
h = 3/4 + (10x 3) / (10 x 2)
h = 3/4 + 3/2
h = 3/4 + (3 x 2) / (2 x 2)
h = 3/4 + 6/4
h = 9/4.
