Operații cu numere – [9]
Ne vom juca cu numerele naturale. Oare cum aflăm o necunoscută?
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Question 1 of 10
1. Question
1 points2030-1684=?Correct
Incorrect
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Question 2 of 10
2. Question
1 points12÷B=16÷8; B=?Correct
Incorrect
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Question 3 of 10
3. Question
1 points879+2840=?Correct
Incorrect
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Question 4 of 10
4. Question
1 pointsM×5=90; M=?Correct
Incorrect
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Question 5 of 10
5. Question
1 pointsX+10=100:2; x=?Correct
Incorrect
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Question 6 of 10
6. Question
1 points214+x= 5000 ; x=?Correct
Incorrect
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Question 7 of 10
7. Question
1 points833-x= 629; x=?Correct
Incorrect
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Question 8 of 10
8. Question
1 points87÷3=?Correct
Incorrect
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Question 9 of 10
9. Question
1 points397×8=?Correct
Incorrect
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Question 10 of 10
10. Question
1 pointsX+x= 360+x; x=?360Correct
Incorrect
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Examples of questions from "Operații cu numere – [9]"
- 879+2840=?
- 2030-1684=?
- X+x= 360+x; x=?360

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