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Stefan9762
a fost răspuns

Efectuati:

{ [1560-15x (76+11x3)] x 6 - [ (117+21:649-6x7 ) ]

Răspuns :

Sanduurzica
{[1560-15x(76+11x3)]x6-[(117+21:649-6x7)]}=

{[1560-15x(76+33)]x6-[(117+0,0323-42)]}=
{[1560-15x109]x6-[117,0323-42)]}=
{[1560-1635]x6-75,0323}=
 -75x6-75,0323=
 -450-75,0323= - 525,0323

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