Question

a) [20+(-3+2)]-(-1-2)

b) 2-[(3-4)-(-5-6)]

c) (4+2)-[7-(-3-5-7)]
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Answer 1

Respuesta:

a) 22

b) -8

c) -16

Explicación paso a paso:

a) [20+(-3+2)]-(-1-2)

[20-1]+3

19+3=22

b) 2-[(3-4)-(-5-6)]

2-[-1+11]

2-10=-8

c) (4+2)-[7-(-3-5-7)]

6-[7-(-15)]

6-22=-16