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efectuati {(7-5)*6*(4*3-10)-[3+(4*9-7*5)+3*2]}*2*28= ??

Răspuns :

{(7-5)*6*(4*3-10)-[3+(4*9-7*5)+3*2]}
[2*6*2-(3+1+3*2)]*2*28
[2*6*2-(3+1+6)]*2*28
(2*6*2-10)*2*28
(24-10)*2*28
14*2*28
28*28
784