I = (9/15 + 3/10) : 6/5 I = (9 x 2 / 15 x 2 + 3 x 3 / 10 x 3) : 6/5 I = (18/30 + 9/30) : 6/5 I = 27/30 : 6/5 I = 27/30 x 5/6 I = 135/180 I = 45 x 3 / 45 x 4 I = 3/4
J = 12/7 - 4/7 x 35/12 J = 12/7 - 140/84 J = 12 x 12 / 7 x 12 - 140/84 J = 144/84 - 140/84 J = 4/84 J = 4 x 1 / 4 x 21 J = 1/21
K = (4/5 + 7/10) : (5/6 - 5/8) K = (4 x 2 / 5 x 2 + 7/10) : (5 x 4 / 6 x 4 - 5 x 3 / 8 x 3) K = (8/10 + 7/10) : (20/24 - 15/24) K = 15/10 : 5/24 K = 15/10 x 24/5 K = 360/50 K = 10 x 36 / 10 x 5 K = 36/5
L = 6/5 + 21/5 : 14/15 L = 6/5 + 2/15 x 15/14 L = 6/5 + 30/210 L = 6 x 42 / 5 x 42 + 30/210 L = 252/210 + 30/210 L = 282/210 L = 6 x 47 / 6 x 35 L = 47/35
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Bonjour,I = (9/15 + 3/10) : 6/5
I = (9 x 2 / 15 x 2 + 3 x 3 / 10 x 3) : 6/5
I = (18/30 + 9/30) : 6/5
I = 27/30 : 6/5
I = 27/30 x 5/6
I = 135/180
I = 45 x 3 / 45 x 4
I = 3/4
J = 12/7 - 4/7 x 35/12
J = 12/7 - 140/84
J = 12 x 12 / 7 x 12 - 140/84
J = 144/84 - 140/84
J = 4/84
J = 4 x 1 / 4 x 21
J = 1/21
K = (4/5 + 7/10) : (5/6 - 5/8)
K = (4 x 2 / 5 x 2 + 7/10) : (5 x 4 / 6 x 4 - 5 x 3 / 8 x 3)
K = (8/10 + 7/10) : (20/24 - 15/24)
K = 15/10 : 5/24
K = 15/10 x 24/5
K = 360/50
K = 10 x 36 / 10 x 5
K = 36/5
L = 6/5 + 21/5 : 14/15
L = 6/5 + 2/15 x 15/14
L = 6/5 + 30/210
L = 6 x 42 / 5 x 42 + 30/210
L = 252/210 + 30/210
L = 282/210
L = 6 x 47 / 6 x 35
L = 47/35