actividad 1_Franco Cruz Kim.docx - OPERACIONES BÁSICAS EN NEGOCIOS 1 Resuelve los siguientes ejercicios y/u docente/asesor sobre los siguientes temas

actividad 1_Franco Cruz Kim.docx - OPERACIONES BÁSICAS EN...

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O PERACIONES BÁSICAS EN NEGOCIOS 1. Resuelve los siguientes ejercicios y/u otros que determine tu docente/asesor sobre los siguientes temas: Nota: Una vez resueltas, verifica tus resultados con calculadora científica. Prioridad en las operaciones a. 5 + 3 – 7 + [8 + 3 – (5 – 9 – 4)]= 20 b. 2 + 3[-9 + 4 – (5 – 6 + 11)] + 3 – 5[4 – 7 – 1 (8 – 6 + 3)]= 0 c. –{3 – 4 + [6 + 3 – 10 – (9-4-7+6)]} – 3 {-[-(11 – 6 + 2 – 5) + 7 – 4]+ 8 – 2} = -9 d. 2 [2 – 7 – (8 + 6 - 7)] + 3 – 5 [4 – 7 – 1 (8 – 6 + 3)]= 19 e. 2 - 3 [-9 + 4 – (5 – 6 + 11)] + 3 – 5 [4 – 7 – 1 (8 – 6 + 3)]= 90 f. 3 – 5 + {3 – 9 + 4 [-3 + 5 – 1 (7 – 9 + 4)]} + 3 – 2 { 5 – 6 + 2 [8 – 5 -3 (4 + 9 – 8 – 1)]}= 33 g. {7 – 5 + [2 – 11 – (5 + 4 – 7 + 6)]} – 4 { – [– (7 – 5 + 2 – 6) + 6 – 4]+ 7 – 5}= -7 h. 2 + 5 (3 2 + 5) – (5 – 6) 2 + 2= 73 i. 6 – 5 (3 – 4) 5 - 3(2)(6-2 2 )= -1 j. 4+(6 – 2 – 5) 2 – [8 + 2(7 – 4 + 2 – 8) 2 ]= -21 k. ( 2 3 ) + ( 5 6 ) 2 ( 9 5 )( 2 8 ) ÷ 3 7 = ¿ 41/945 l. 2 3 + 5 4 ( 7 9 + 2 10 ) ÷ 5 2 + 3 2 ( 1 5 + 6 11 ) = 20617/2475 m. ( 8 9 ) + 4 3 ÷ ( 5 6 ) 2 ( 3 ) ( 2 9 ) ÷ 5 8 = 20696/225 © 2014 Escuela Bancaria y Comercial
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2. Resuelve los siguientes ejercicios y/u otros que determine tu docente/asesor sobre porcentajes. a. Completa los elementos faltantes de la siguiente tabla, recuerda que el porcentaje se puede expresar como %, en forma decimal, o como fracción (ver ejemplo del primer renglón): Porcenta je Decimal Fracción 10% 0.10 1/10 2% 0.02 2/100 12.5% 0.125 125/1000 40% 0.40 2/5 12.5% 0.125 1/8 3% 0.03 3/100 120% 1.20 12/10 .5% 0.005 5/1000 1.5625% 0.015625 1/64 b. Calcula lo que se solicita a continuación: El 15% de 1200 es: ____180_____________ El 2.3% de 20,000 es:_____460____________ El 125% de 5000 es:_________6250_________ El 50% de ____600______es 300 El 75% de ______800_____ es 600 Si a 350 le descontamos el 15% queda______297.5___________ Si a 980 le aumentamos un 44.5% queda________1416.1________
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