1ER TAREA 1ª4 ALGEBRA T.MAT 21/08/09

1. 3+4+5-6-7-4+7-4+9=

3 + 4 +5 + 7 + 9 - 6 - 7 - 4 - 4 =

28- 21= 7

2. -6+4-6+2-9-8+2+3+6-8-12-43+67=

+ 4 + 2 + 2 + 3 + 6 + 67 -6 - 6 - 9 - 8 - 8 - 12 -43=

17+67-29-63=

84 - 92 = -8

3 .(2)(-12)(3)(3)(-2)(1)(3)=

(-24) (+9) (-2) (3) =

(-216) (-6) =

1296

4. (-2)(3)(1)(-4)(5)(6)(-7)(-8)=

(-6) (-4) (+30) (+56)=

(+24 ) (+1680)=

40 320

5. -4+5-6+7-8+9-12+24-33(2)(-3)(4)(5)=

+ 5 + 7 + 9 +24 - 4 -8 -12 -33 (2) (-3) (4) (5)=

+12+33-12-45(-6) (20)=

45-56-120=

45-176=-131

Números Racionales

6. (3/4)+(5/9)=

15/36=

3/12=

1/4

7. (6/2)-14/4)=

84/4=

42/4=

21/2

8. (3/5)(12/3) - (4/7)(6/11)=

36/15-24/77=

2772-360/1155=

2412/1155=804/385

9. (((4/3)(6/2)/(4/4)))+(2/5) + 3/4 - 16/7=

10. (18/5)(9/2) + 25/3 - 6/4 - 7/15 =

11. (14/3)/(23/11) + 9/6(5/4)=

12. (((5/25)(16/2)/(25/7)(13/6))/(12/7) + 3/2 =

Publicado por Humberto Carlos Rogel Sánchez en 13:24
Etiquetas: Tareas