2









Matemáticas básicas
Segundo semestre
Reyes Álvarez Carlos Mario
Anali Herrera Medina
290310
Clase V2G2
2.1 Adición,Sustracción, Producto Cociente
2.1.7 Actividad Integradora
30 Marzo 15



Actividad 2 Simplifique, si es posible, cada una de las siguientesexpresiones.

1. -2 + (-4) = -6
2. -6 + 2= -4
3. 6 + (-4) = 2
4. 7 – 2 = 5
5. 7 – (-4) = 11
6. -6 –(-11)= 5
7. -8 – (-6) = -2
8. (-2)(9)=-18
9. 7 (-9) = -63
10. (-2)(-12)= 24
11. (-1)6 = -6
12. –(-9)= 9
13. –(-6 + x) = 6-x
14. -7(x)=-7x
15. 12(x-y)= -12x + 12 y
16. –[-6+(-y)]=-6y
17. -3 : 15 = -.2
18. -2 : (-4)= .5
19. 4 : (-2) = -2
20. 2 (-6+2)= 2(-4)= -8
21. 3[-2(3)+6(2)]= 3[-6+12]=3(6)=18
22.(-2)(-4)(-1)=8(-1)=-8
23. (-8)(-8)=64
24. X(0)=0
25. 3(x-4)=3x-12
26. 4(5+x)=20 + 4x
27. –(x-2)=-x+2
28. 0(-x)= 0
29. 8 (1/8)= 1
30. (7/1)= 7
31.(-5x/7y)=
32. (3/-2x)
33. 2/3 * 1/x = 2/3x
34. a/c ( 3b)=
35. (2x)(3/2x)
36. -18y/-3x= -18y (1/-3x)
37. 7/y * 1/x = 7/xy
38. 2/x * 5/y =10/xy
39. ½+ 1/3 = 5/6
40. 5/12 + ¾ = 56/28 = 28/24 = 14/12= 7/6
41. 3/10 – 7/15 = -25/150 = -1/6
42. 2/3 + 7/3= 9/3
43. x/9 – y/9 = x-y/944. 3/3 – ¼ + 1/6 = 12-3/12= 9/12 + 1/6 = 54 + 12/72 = 66/72 = 33/36 = 11/12
45. 2/5 – 3/8 = 1/40
46. 6/x/y = 6: x/y = 6 * x/y = 6y/x
47.k/o/n = k: o/n = k * n/o = ko/n
48. -5/4 : 7/10 = -50/28 = -25/14 = -1 11/14
49. 7/0 error
50. 0/7 = 0
51. 0/0 = error
52. 0 * 0 = 0