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Respondido

Resolva:
a) (– 3 )– (– 5 ) + (– 6) + (+8)– (– 4) b) (− 3). (−15): (−1 − 2)

Resposta :

Shiromoongo

a) (– 3 ) – (– 5 ) + (– 6) + (+ 8) – (– 4)

– 3 + 5 – 6 + 8 + 4

– 2 – 6 + 8 + 4

– 8 + 8 + 4

4

b) (− 3) . (−15) : (−1 − 2)

(− 3) . (−15) : (−3)

(−45) : (− 3)

15

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