Website Statistics A852110 B5792114 C5725

Répondre :

A=8/5:21/10
=8/5 x 10/21
=80/105
 
B=5/7+9/2*1/14
=5/7+9/28
=20/28+9/28
=29/28
 
C=5-7*(-2)/5²
=5-7*-2/25
=5+14/25
=125/25+14/25
=139/25

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