Question

10. Calcula:
a) 7 - [1 + (9-13)] b)-9 + [8 -(13-4)
c) 12 - [6 - (15 - 8)] d)-17 + [9-(3-10)]
e) 2 + [6-(4- 2 + 9)] f) 15-19 - (5 - 11 + 7)]​

Answer 1

9Respuesta:

a) 7-[1+(-4)]

a) 7-[1-4]

a) 7-[-3]

a) 7-3

a) 4

b) -9 + [8 - 9]

b) -9 + [-1]

b) -9 + 1

b) -8

c) 12 - [6 - 7]

c) 12 - [-1]

c) 12 - 1

c) 11

d) -17 + [9 -(-7)]

d) -17 +[9+7]

d)-17 +[16]

d) -17 + 16

d) -1

e) 2 +[6 - 11]

e) 2 + [-5]

e) 2+5

e) 7

f) 15 - 19 - 1

f) -5

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