ORDINEA OPERATIILOR – CLASA A 3-A
EFECTUATI EXERCITIILE URMATOARE FOLOSIND ORDINEA OPERATIILOR.
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Question 1 of 10
1. Question
1 pointsCalculeaza numarul necunoscut f din relatia : 72 - 40 = ( f : 3 ) x ( 40 : 5 )Correct
Incorrect
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Question 2 of 10
2. Question
1 pointsVerifica cum este a fata de b daca : a = 190 - 4 x (5 x 3 + 7 x 4 - 35 ) + 8 x 8 b = (14 - 7 ) x 3 + (21 - 19 ) x 8 - ( 15 +6 - 18 ) x 9Correct
Incorrect
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Question 3 of 10
3. Question
1 pointsCalculeaza numarul necunoscut c din relatia : 9 x ( c : 6 ) = 6 x 6Correct
Incorrect
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Question 4 of 10
4. Question
1 points73 - 58 + 29 - 4 = ?Correct
Incorrect
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Question 5 of 10
5. Question
1 points(8 X 9 - 4:2 ) - (91 - 9 X9 ) = ?Correct
Incorrect
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Question 6 of 10
6. Question
1 pointsCalculeaza numarul necunoscut a din relatia : ( a x 5 ) : 2 = 40 : 4Correct
Incorrect
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Question 7 of 10
7. Question
1 points20 - (3 x 5 - 2 + 3 ) : ( 26 - 9 x 2 ) = ?Correct
Incorrect
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Question 8 of 10
8. Question
1 points56 : ( 100 - 8 X 5 - 6 X 5 - 7 X 3 - 1 ) = ?Correct
Incorrect
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Question 9 of 10
9. Question
1 pointsSe dau numerele a , b , c , calculeaza 3 x a - 2 x b + c daca : a = 6 x 7 - 5 x 6 - 72 : 8 b = 64 : 8 + 3 x 4 - 4 x 4 c = 42 : 6 - 16 : 8Correct
Incorrect
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Question 10 of 10
10. Question
1 points(25 X 15 + 12 : 3) X 30 = ?Correct
Incorrect
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Examples of questions from "ORDINEA OPERATIILOR – CLASA A 3-A"
- (8 X 9 - 4:2 ) - (91 - 9 X9 ) = ?
- Se dau numerele a , b , c , calculeaza 3 x a - 2 x b + c daca : a = 6 x 7 - 5 x 6 - 72 : 8 b = 64 : 8 + 3 x 4 - 4 x 4 c = 42 : 6 - 16 : 8
- Calculeaza numarul necunoscut f din relatia : 72 - 40 = ( f : 3 ) x ( 40 : 5 )
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