Question

3) CALCULE:
A){4+[-3+(+7+8)]}
B){-18-[+18-(+18-18)]}
c){-27+[-32+(+19-10)]}​

Answer 1

Resposta:

a)16 b)-36 c)-50

Explicação passo-a-passo:

a) 4+(-3+15)=4+12=16

b) -18-(+18-0)=-18-18=-36

c)-27+(-32+9)=-27-23=-50

Answer 2

A){4+[-3+(+7+8)]}

4 + ( - 3 + 15)

4 + 12

16

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B){-18-[+18-(+18-18)]}

-18 - ( 18 - 0)

-18 - 18

-36

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C){-27+[-32+(+19-10)]}

-27 + ( - 32 + 9 )

-27 + ( - 23 )

-27 - 23

-50

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Att, IzabelaCristina2006 ❤️