Question

a) 3 – {4.[-3 + 4.(-2) – ( 2 + 8:4)2] +6 }=

Answer 1

[-3 + 4.(-2) – ( 2 + 8:4)2]

-3+(-8)-(2+4)2

-3-8-6.2

-3-8-12

-23

3 – {-23 +6 }

3-(-17)

3+17

= 20

Answer 2

Explicação passo-a-passo:

3 – {4.[-3 + 4.(-2) – ( 2 + 8:4)2] +6 }=

3 – {4.[-3 – 8 – ( 2 + 2)2]+6 } =

3– {4. [ –3 – 8 – 8 ] + 6 } =

3 – { 4. [ – 19 ] + 6} =

3 – { –76 + 6 } =

3 + 70 =>>>>>>>>>>> 73 resposta

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