H = 15__ 1/4 - 2/3 H = 15_________ 1 x 3 / 4 x 3 - 2 x 4 / 3 x 4 H = 15___ 3/12 - 8/12 H = 15 :- 5/12 H = 15 x - 12/5 H = - 180/5 H = 5 x - 36 / 5 x 1 H = - 36
I = 5/6 + 1 - 7/30 5/6 - 1 + 7/30 I = 5 x 5 / 6 x 5 + 1 x 30 / 1 x 30 - 7/30 5 x 5 / 6 x 5 - 1 x 30 / 1 x 30 + 7/30 I = 25/30 + 30/30 - 7/30 25/30 - 30/30 - 7/30 I = 55/30 - 7/30 25/30 - 37/30 I = 48/30 : - 12/30 I = 448/30 x - 30/12 I = - 13440/360 I = 120 x - 112 / 120 x 3 I = - 112/3
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Bonjour,H = 15__
1/4 - 2/3
H = 15_________
1 x 3 / 4 x 3 - 2 x 4 / 3 x 4
H = 15___
3/12 - 8/12
H = 15 :- 5/12
H = 15 x - 12/5
H = - 180/5
H = 5 x - 36 / 5 x 1
H = - 36
I = 5/6 + 1 - 7/30
5/6 - 1 + 7/30
I = 5 x 5 / 6 x 5 + 1 x 30 / 1 x 30 - 7/30
5 x 5 / 6 x 5 - 1 x 30 / 1 x 30 + 7/30
I = 25/30 + 30/30 - 7/30
25/30 - 30/30 - 7/30
I = 55/30 - 7/30
25/30 - 37/30
I = 48/30 : - 12/30
I = 448/30 x - 30/12
I = - 13440/360
I = 120 x - 112 / 120 x 3
I = - 112/3