factor comun

Quiz
•
Mathematics
•
5th Grade
•
Hard
Paun Mihai
Used 7+ times
FREE Resource
9 questions
Show all answers
1.
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15 mins • 1 pt
Rezultatul 13 + x - (5 ⋅ a - 5 ⋅ b) = 2 011 este
2.
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15 mins • 1 pt
Calculați ab - ac, știind că a = 7 și b - c = 100
3.
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15 mins • 1 pt
Calculați 5xy + 5xz + 21, știind că x = 4 și y + z = 100.
4.
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15 mins • 1 pt
Dacă x = 5 și a + b = 13, calculați: 10 ⋅ x + (4 ⋅ a + 4 ⋅ b)
5.
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15 mins • 1 pt
Dacă x = 5 și a + b = 13, calculați: (4 ⋅ a + 4 ⋅ b - 2 ⋅ x) ⋅ (2 ⋅ a + 2 ⋅ b + x).
6.
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15 mins • 1 pt
Dacă a + b = 33 și a + c = 11, calculați 5 ⋅ a + 3 ⋅ b + 2 ⋅ c.
7.
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15 mins • 1 pt
101 + 202 + 303 + ... + 909 + 1 010 + ... + 9 898 + 9 999.
8.
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15 mins • 1 pt
Efectuați utilizând factorul comun: 28 ⋅ 521 - 28 ⋅ 21 ;
9.
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15 mins • 1 pt
Rezultatul 7 ⋅ a - 7 ⋅ b + x = 55 ;
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