S=(8/5+7/5)×16/9
T=53/30-3/10+9/10
U=7/6×(7/2-3/2)
V=3/7+17/14-23/28
j'ai besoin d'aide svppp
T=53/30-3/10+9/10
U=7/6×(7/2-3/2)
V=3/7+17/14-23/28
j'ai besoin d'aide svppp
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Bonjour,
S = (8/5+7/5) x 16/9
= 15/5 x 16/9
= 3 x 16/9
= 48/9 = 16/3
T = 53/30 - 3/10 + 9/10
= 53/30 - 9/30 + 27/30
= 71/30
U = 7/6 x (7/2 - 3/2)
= 7/6 x 4/2
= 7/6 x 2
= 14/6 = 7/3
V = 3/7 + 17/14 - 23/28
= 12/28 + 34/28 - 23/28
= 23/28