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13+15X[324X9+5X(70-7X8)]=..VA ROG AJUTATI-MA....

Răspuns :

13+15x[324x9+5x(70-7x8)]=

=13+15x[2916+5x(70-56)]=

=13+15x(2916+5x14) =

=13+15x(2916+70)=

=13+15x2986=

=13+44790=44803