bonjour pouvez-vous m'aider pour cet exercice il faut calculer et simplifier pour obtenir une fraction irréductible ou un entier merci beaucoup
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bonjour
s=2/5x(8/3-1)
=2/5x(3/3-8/3)
=2/5x5/3
=10/15
=(5x2)/(5x3)
=2/3
t=10/50x500/20
=1/5x50/2
=1/5x25
=(1x25)/(5x1)
=25/5
=5
v=10/18x1/2x9/5
=5/9x1/2x9/5
=5x1x9/9x2x5
=45/90
=(9x5)/(9x10)
=5/10
=(5x1)/(5x2)
=1/2