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Va rog!! Am nevoie urgent! ​

Va Rog Am Nevoie Urgent class=

Răspuns :

Răspuns:

14/27÷8/3÷(-7/15)=14/27×3/8×(-15/7)= -5/12

-12/49÷15/14÷(-20/21)=-12/49×21/20×14/15=-126/525

-40/27÷(-20/9)÷(-10/21)=-40/27×(-9/20)×(-21/10)=7/5

sper ca nu am greșit la simplificare