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[-69 + (-5) x^{2} · 3] · [(-5) x^{3} : (-3 x^{2} +2 x^{2} ) - 2 x^{3} · 3]

69 5 X2 3 5 X3 3 X2 2 X2 2 X3 3 class=

Răspuns :

= [-69+ (-25) x 3]x[-125:(-9+4)-8x3]
= [-69+75]x[-125:(-5)-24]
=6x(25-24)
=6x1
=6



Scuze, asta e 5 a