Matematică – calcule cu numere reale reprezentate prin litere
Acest test evaluează cunoștiințele elevilor de clasa a VIII-a de la capitolul Numere reale reprezentate prin litere
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Question 1 of 10
1. Question
1 pointsCalculați folosind formule de calcul prescurtat:Correct
Incorrect
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Question 2 of 10
2. Question
1 pointsAflați rezultatul calcululuiCorrect
Incorrect
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Question 3 of 10
3. Question
1 pointsDescompuneți în factori expresiaCorrect
Incorrect
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Question 4 of 10
4. Question
1 pointsDescompuneți în factori ireductibili expresiaCorrect
Incorrect
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Question 5 of 10
5. Question
1 pointsSe dă expresia . Calculați .Correct
Incorrect
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Question 6 of 10
6. Question
1 pointsFie a și b două numere reale pozitive. Dacă , aflați diferența dintre media aritmetică și media geometrică a numerelor a și b.Correct
Incorrect
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Question 7 of 10
7. Question
1 pointsDescompuneți în factori: .Correct
Incorrect
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Question 8 of 10
8. Question
1 pointsCalculați:Correct
Incorrect
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Question 9 of 10
9. Question
1 pointsCalculați:Correct
Incorrect
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Question 10 of 10
10. Question
1 pointsDacă și , aflați suma numerelor a și b.Correct
Incorrect
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Examples of questions from "Matematică – calcule cu numere reale reprezentate prin litere"
- Calculați:
- Descompuneți în factori: .
- Calculați folosind formule de calcul prescurtat: