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Exercitiul 1 pls dau si coroana daca trb

Exercitiul 1 Pls Dau Si Coroana Daca Trb class=

Răspuns :

Răspuns:

Explicație pas cu pas:

a) (√3+√5)/2=(1,73+2,23)/2=3,96/2=1,98

(1,2+√2)/2=(1,2+1,41)/2=1,30

(2,13+2,44)/2=4,579=2,28

b) -ma=(2+8)/2=10/2=5

mg=√2×8=√16=4

ma=(1/3+2/3)/2=1/2=0,5

mg=√1/3×2/3=√2/3=0,47

ma=(√2+9√2)2=10√2/2=5√2

mg=√2×9=3√2

ma=(4-√15+4+√15)/2=8/2=4

mg=√(4²-15)=√(16-15)=1