jueves, 20 de agosto de 2009

tarea 1

1.determine a que clasificacion pertenesen los siguientes numeros

a)numeros reales:1.--3 3.-0

b)numeros racionales :2.-0.5 4.-0.101010101010 5.-2/5 6.-(-3/4) 7.--128.5 8.-(2) (-3)

d)nu meros imaginarios:9.-ab 10.-X

II.resolver las siguientes op'eraciones,realizando el procedimiento

11.- (4)(-5)(3)(-2)(1)(-7)(8)= -6720

12.-(9)(7)(-4)(6)(-4)(0)(34)=205632

13.--2+6-7-8-5+6+45+23-73-11+152=-116

14.--6-9-8-7-5-8-6=-49

15.--44-56+65+23+5-8-9+9+6-7+4=-20

16.-(12)(3)(-4)(2)(7)(11)(-3)=66528

17.-((9/3)(4))(-2)+4-5(3)+3(-2)-2(7)= 55
((3)(4))(-2)+4-15-6-14
(12)(-2)+4-15-6-14
-24+4-15-6-14

18.-(((5)(8)/10)(5))+2-7(-4)-5(7)-2-7-6+14=16
((40/10)(5))+2+28-35-2-7-6+14
(4)(5)+2+28-35-2-7-6+14
20+2+28-35-2-7-6+14

19.-(5/4)*(13/9)=65/36=1.80
20.-(12/6)(3/5)*(16/4)+(2/5)=(36/30)(16/4)=(576/120)+(2/5)=578/125
21.-(3/7)+(12/5)-(5/4)=(15/30)-(5/4)=10/26
22.-((14/3)(16/5)/(12/8)(9/6))=17.225
(224/15)/(108/48)=
10752+1620/720=
12402/720=
17.225

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