Recapitulare matematică (3) clasa a VIII-a – semestrul I
MULŢIMI DE NUMERE REALE
▪ Forme de scriere a unui număr real
▪ Reprezentarea numerelor reale pe axa numerelor prin aproximări
▪ Opusul, inversul, modulul unui număr real
▪ Intervale de numere reale
REGULI DE CALCUL ÎN R
▪ Operaţii cu numere reale
▪ Raţionalizarea numitorului
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Question 1 of 10
1. Question
1 pointsFie Dacă , atunci CardB=Correct
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Question 2 of 10
2. Question
1 pointsCorrect
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Question 3 of 10
3. Question
1 pointsInversul opusului numărului este numărul:Correct
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Question 4 of 10
4. Question
1 pointsProdusul numerelor naturale nenule din intervalul (-3, 3) este:Correct
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Question 5 of 10
5. Question
1 pointsCorrect
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Question 6 of 10
6. Question
1 pointsCorrect
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Question 7 of 10
7. Question
1 pointsCorrect
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Question 8 of 10
8. Question
1 pointsCorrect
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Question 9 of 10
9. Question
1 pointsCorrect
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Question 10 of 10
10. Question
1 pointsCorrect
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