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EXAMEN DE GRACIA MATEMÁTICA UESMB
EXAMEN DE LOS NOVENOS AÑOS EGB
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DATOS DEL ALUMNO
APELLIDOS Y NOMBRES
*
Your answer
CURSO Y PARALELO
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Your answer
PREGUNTAS DEL EXAMEN
REALICE LOS CÁLCULOS ANTES DE INTRODUCIR LA RESPUESTA
1.- El resultado del producto notable: (5a - 4b^2 c)^2 es
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25a^2 +40ab^2 c -16b^4 c^2
25a^2 -20ab^2 c +16b^4 c^2
25a^2 -40ab^2 c +16b^4 c^2
25a^2 +20ab^2 c +16b^4 c^2
2.-
El producto notable (a-5) ^2 tiene como respuesta:
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a^2+10a-25
a^2-10a+25
a^2+25a-10
ninguna
3.- Si sumamos (+3) + (-4) la respuesta es:
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(-7)
(-1)
ninguno
(+1)
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