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BANICACRISTNA20
a fost răspuns

{[(169/13-2LA PUTEREA3)/5+(7*2 LA PUTEREA 3-2*3)/5+2 LA PUTEREA 3]/19+5}*2 LA PUTEREA 3-2 LA PUTEREA 4*3

Răspuns :

Spidie
{[(169/13-2³)/5+(7*2³-2*3)/5+2³]/19+5}*2³-2⁴*3 =
=[(65/13*1/5 +48/5+8)/19+5]*8 - 48=
=[(1+48/5+8)/19+5]*8-48=[(9+48/5)/19+5]*8-48= (93/5*1/19+5)*8-48=
=(93/95+5)*8-48=568/95*8-48=4544/95-4560/95= -16/95

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