January 2021 1 58 Report
Bonjour aider moi svp
Calculer et donner les résultats sous formes de fractions simplifiées le plus possible.
A)5/7+2/7÷3/4
B)7/4-3/4×8/9
C)3/8+5/4×7/10
D)(1-2/3)÷(1+2/3)
Merci d'avance
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