B.pdf - B 1 Un vendedor de frutas tiene 504 naranjas primero vende los 3 2 y luego los del resto 7 3 \u00bfCu\u00e1ntas naranjas le quedan a\u00fan sin vender A 86

B.pdf - B 1 Un vendedor de frutas tiene 504 naranjas...

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B 1. Un vendedor de frutas tiene 504 naranjas; primero vende los 7 3y luego los 32del resto. ¿Cuántas naranjas le quedan aún sin vender? A. 86 B. 96 C. 192 D. 216 E. 288 2. El valor numérico de la expresión 2 2 2 1) 6 ( 2) (3 4 + es: 3 3 3 3. El resultado simplificado de es: )()(b2aba22+ b 2 ab 2 b 2 + b 2 b 2 b 2 b 2 + b 2 ab 2 b 2 ab 2 b 2 2 4. La expresión 4 3 t t equivale a: A. t B. t C. 3 t D. 4 t E. 7 t 5. Al efectuar la operación 1 x x 2 1 1 x 2 x 1 2 2 + ÷ + + obtenemos como resultado: 1 x 2 + + 1 x 2 + 2 x + 1 + 1 x 2 + 6. Al simplificar x 1 x 1 x 2 1 + se obtiene: A. 2x)(1B. 2x)(1C. 221)(xD. 1xE. 21)(x x + x x x 2 x 2 7. Para que la ecuación tenga dos raíces reales iguales debe de cumplirse que: 0 n x 4 x 2 2 =

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• Javier Sanchez

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