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3/7+(11/7*3/2-3,5*3/7)*(2 intregi 5/7-13/42:5/6-1/7)

Răspuns :

rezolvarea:

3/7+(33/14-7/2*3/7)*(10/7-13/42*6/5-1/7)=

=3/7+(33/14-1/2*3)*(10/7-13/7*1/5-1/7) =

=3/7+(33/14-1/2*3)*(10/7-13/7*1/5-1/7)=

=3/7+(33/14-3/2)*(10/7-13/35-1/7)=

=3/7+6/7*32/35=

=3/7+192/245=

=297/245.

sper că te-am ajutat.