Lab Math 02

  • June 2020
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LAB MATH 002

4. Multiplicar: (a) (−4) × (5)

Prof. Rensso Chung

(b) (−8) × (−2)

[email protected]

(c) 4 × (−5)

Trujillo-Per´ u-Enero 2009

(d) (−2) × (−5) (e) 2 × 5

1. Sumar:

(f) 2 × [(−2) × (−5)]

(a) 1-5+5-8+5-2

(g) 2 × (−6)

(b) -8+5-9-5+3-5

5. Calcular:

(c) 1+5-9+1-8+2-5-2 (d) +6-9+5-2+5-8

(a) 2 × (−22 + 2 − 5 + 6)

(e) -5+6-3-2+8+9-8-5+9

(b) (−4) × (−2 + 12 + 2 − 5 + 6) × ( 25 − 23 )

(f) 6+5+8-9-2+5-4+8

(c) (−6 + 5 − 8) × (−2 + 3 − 9) × (− 23 − 43 )

(g) -5+1+2-8+3

(d) ( 23 −

(h) +6-4+8-5+5-8

(e) (−9 +

(i) -1+6+5-8+2-1-7

(f) (−10 + 5 − 8) × (−2 + 3) × (− 37 − 43 + 2 − 8)

(j) +2+3-8+4+3-5

(g) (−2 + (h)

2. Sumar: (a) (b) (c)

1 2 5 2 5 3

− − −

3 4 2 3 5 4

+ + +

(i)

5 6 5 4 5 8

(j) (k) (l)

(d) − 73 − (e) (f) (g) (h) (i) (j) (k)

5 5 8 + 3 5 5 2 10 3 − 4 + 8 + 3 1 10 5 1 3 − 4 − 3 + 3 7 1 2 − 10 4 − 4 + 2 − 3 − 54 − 14 + 16 − 72 − 54 − 18 + 56 − 32 10 9 7 2 7 − 4 − 8 + 8 − 13 − 54 − 98 − 92

(m)

5 6

− 7) × ( 23 − 6) × (−7 − 43 ) 7 3



1 6

− 7) × (− 13 − 5) × (−10 − 13 )

2 1 2 4 3 − 2 − 6) × (− 3 − 4) × (−1 − 3 ) (− 23 − 21 − 2) × (− 23 ) × (− 43 + 13 ) (− 23 ) × (− 12 ) × (− 23 ) × (− 23 + 13 ) 5 2 4 (− 73 ) × (− 10 7 ) × (− 7 ) × (− 5 ) × (− 3 ) 7 8 5 (− 11 8 ) × (− 11 ) × (− 5 ) × (− 3 ) 7 12 5 (− 14 8 ) × ( 14 ) × (− 5 ) × (− 12 ) 7 5 ) × (− 12 ( 15 ) × ( 12 7 ) × (− 6 )

6. Calcular: (a) (− 23 + 45 ) × ( 27 − 5) (b) (8 −

2 5

− 56 ) × ( 17 − 58 )

(c) (−5) × (−2 − (e) (f)

3. Nota(Regla de los signos para la multiplicaci´on):

(g)

(a) (+) × (+) = (+)

(h)

(b) (−) × (−) = (−)

(i)

(c) (−) × (+) = (−)

(j)

(d) (+) × (−) = (−) 1

− 16 ) × (− 12 − 35 )

5 2 5 6 + 9) × (− 7 − 3 + 5 − 9) (8 − 18 ) × ( 25 ) × (− 25 ) × (− 56 ) (5 − 18 + 6 − 8) × (− 43 ) × (− 15 ) × (− 12 + 6 − 8) (− 15 ) × ( 23 + 27 ) × (− 15 + 5 − 4) × (− 16 ) (4 − 17 ) × ( 27 ) × (− 29 − 8) × (− 16 ) (+5 − 8 − 8 − 12 ) × (− 25 ) × (− 14 ) × (8 − 56 ) (−3−8+5− 18 )×( 32 )×(− 23 −6)×(2− 31 +6−2)

(d) (−6 −

2 3

2 5


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