Aflarea numărului necunoscut.
O modalitate interesantă de a exersa aflarea numărului necunoscut.
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Question 1 of 10
1. Question
1 pointsA - 3 x 2 = 6Correct
Incorrect
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Question 2 of 10
2. Question
1 points7 x 9 + a = 80Correct
Incorrect
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Question 3 of 10
3. Question
1 points540 - 30 - a = 490Correct
Incorrect
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Question 4 of 10
4. Question
1 points81 : 9 + a = 46Correct
Incorrect
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Question 5 of 10
5. Question
1 points7 x 6 - 3 x a = 18Correct
Incorrect
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Question 6 of 10
6. Question
1 pointsA : 7 x 9 = 63Correct
Incorrect
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Question 7 of 10
7. Question
1 points54 : a + 4 = 10Correct
Incorrect
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Question 8 of 10
8. Question
1 points741 - 329 + a = 541Correct
Incorrect
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Question 9 of 10
9. Question
1 pointsA x 6 - 9 = 45Correct
Incorrect
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Question 10 of 10
10. Question
1 pointsA x 9 = 45Correct
Incorrect
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Examples of questions from "Aflarea numărului necunoscut."
- 7 x 6 - 3 x a = 18
- A - 3 x 2 = 6
- A x 6 - 9 = 45