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0,1 la puterea 4 * 0,3 la puterea 4 * 10² -x =3,008

Răspuns :

0,0001*0,0081*100-x=3,008
0,00000081*100-x=3,008
0,000081-x=3,008
x=3,008+0,000081
x=3,008081