Question

Ayuda a resolver

a. - (4+5-6)-(7-3+6)-5
b. 2+(-4+5)-(6+6)+7
c. (-4+7+2)+9-(-3+4-3)

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Answer 1

Explicación paso a paso:

a. - (4+5-6)-(7-3+6)-5=

-3- 10-5=

- 18

b. 2+(-4+5)-(6+6)+7

= 2 +1 - 12+7

= - 2

c. (-4+7+2)+9-(-3+4-3)

= 5+9+2

= 16