January 2021 0 55 Report
Effectuer les calculs suivant sans calculatrice et en indiquant les etapes donner le resultat sous forme d une fraction irreductible. a= (-4+3*2/7) :3/14
b=6/60/7
d= (3/2)²-3/2*-5/2
e=1-1/3/3*3/4-1/5
f=5/6-7/6*1/14+3/14
g=1/2+2/5/1/2-5/5
h=27/28/-9:(-1/30)
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