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ajutor este urgent varoggggg!!!!!!!!​

Ajutor Este Urgent Varoggggg class=

Răspuns :

-8,5:5/6=

= -85/10:5/6=

= -17/2:5/6=

= -17/2×6/5= -51/5

-1 3/7:(-5/21)=

= -4/7:(-5/21)=

=4/7:5/21=

=4/7×21/5=12/5