5742244
Description
Quiz by Enrique Jimenez3564, updated more than 1 year ago
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Created by Enrique Jimenez3564
over 10 years ago
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Question 1
Question
Al reducir la expresión (2a/b)+(a/2b)+(a/b)+(2a/3b) el resultado es :
Answer
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5a / 4b
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4a / 7b
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13 a / 6b
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15a /5b
Question 2
Question
Al suprimir paréntesis en : 4x + [x - (2x-3) ] - [ 5 - 2 (1-x) ] el resultado es:
Answer
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-x
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x
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2x
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-2x
Question 3
Question
El producto de (x - 3) (x +1) es igual a:
Answer
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x^2 - 3x - 2
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x^2 - 2x + 3
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x^2 - 3x - 3
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x^2 - 2x - 3
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