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Sagot :

Bonjour,

15/8 - 3/4 =

15/8 - 6/8 = 9/8

15/8 * 3/4 = 45/32

(9/8 )/(45/32) =

9/8 * 32/45 = 288/360 = 144/180= 72/90= 36/45 = 12/15 = 4/5

9/8                  45/32

           4/5

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