bonsoir
Alain mange 3/5 il reste 2 /5
Julien = 2/5 x 2/3 = 4/15
15/15 - ( 2/5 + 4/15 )
= 15/15 - ( 6/15 + 4/15 )
= 15/15 - 10/15
= 5/15
= 1 /3
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bonsoir
Alain mange 3/5 il reste 2 /5
Julien = 2/5 x 2/3 = 4/15
15/15 - ( 2/5 + 4/15 )
= 15/15 - ( 6/15 + 4/15 )
= 15/15 - 10/15
= 5/15
= 1 /3