Va rog repede!! Dau coroana pt toate 3 exercitile facute.
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Răspuns:
Explicație:
I.
1. F
2. A
3. A
4. A
5. A
II.
1. a
2. c
3. a
4. c
5. b
III.
Ne Z=10 A=20 ; Ne Z=10 A= 21 ; Ne Z=10 A= 22
Ar= 20 . 89,97 /100 + 21 . 0,76 /100 + 22. 9,27 /100
= 17, 994 + 0,1596 + 2, 0394
= 20 , 193