Aidez moi s'il vous plais !!!
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réponse :
A=(4/3+3/10)/(5/2-2/5)
=(40/30+9/30)/(25/10-4/10)
=(49/30)/(21/10)
=49/30*10/21
=49/3*1/21
=49/63
=7/9
A=(4/3+3/10)/(5/2-2/5)
=(40/30+9/30)/(25/10-4/10)
=(49/30)/(21/10)
=49/30*10/21
=49/3*1/21
=49/63
=7/9