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[(20×8-20:5+5×4)- 4×10]:2 Va rog ajutațima dau coroana

Răspuns :

[(20x8-20:5+5x4)-4x10]:2=
[(160-4+20)-40]:2=
[(156+20)-40]:2=
[176-40]:2=
136:2=68
[(160-4+20)-40]=
=[(156+20)-40]=
=(176-40)=
=136---acesta e raspunsul