bonjour
A = 1 287/693 et B = - 15/7
A est divisible par 99
A = 13/7
A - B = 13/7 - ( - 15/7)
= 13/7 + 15/7 = 28/7 = 4
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bonjour
A = 1 287/693 et B = - 15/7
A est divisible par 99
A = 13/7
A - B = 13/7 - ( - 15/7)
= 13/7 + 15/7 = 28/7 = 4
A = 13/7
A - B = 1317 - (-15/7)
= 13/7 + 15/7 = 2817
= 4