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Calculati respectand ordinea operatiilor

(-1/2)x(-2/3)x[6/9+(-5/8)]+3/6


Răspuns :

=2/6·[(6·8-5·9)/72]+3/6=
=1/3·3/72+3/6=
=1/72+1/2=
=(1+36)/72=37/72