a=4/7+3/4+2/7+5/4+1/7
Mathématiques
hersarange
Question
a=4/7+3/4+2/7+5/4+1/7
2 Réponse
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1. Réponse tommus
A=4/7+3/4+2/7+5/4+1/7
A = (4+2+1)/7 + (3+5)/4
A = 7/7 + 8/4
A = 1 + 2
A = 3 -
2. Réponse droopette
a=4/7+3/4+2/7+5/4+1/7
=16/28+21/28+8/28+35/28+4/28
=84/28
=3