Question

a)17-{5-3+[8-(-1-3)+5]}
b)5-{-5-[8-2+(-5+9)]}
c)-10-{-2+[+1-(-3-5)+3]}


me ajudem prfvr​

Answer 1

Resposta:

a)17-{2+[8-2+5]}

17-{2+[6+5]}

17-{2+[11]}

17-{2+11}

17-{13}

17-13=4

b)5-{-5-[6+4]}

5-[-5-[10]}

5-{-5-10}

5-{-15}

5+15=20

c)-10-{-2+[+1-8]+3}

-10-{-2+[-8]+3}

-10-{-2-8+3}

-10-{-10+3}

-10-{-7}

-10+7=-3

espero ter ajudado