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a fost răspuns

(0.0075×100)la2+(12:100)la2

Răspuns :

 = 0.75 la2 + 0.12 la 2
 =  0.5625 + 0.0144
 = 0.5769.
(0,075*100)²+(12:100)²=
=0,75²+0,12²=
=0,75*0,75+0,12*0,12=
=0,5625+0,0144=0,5769