Question

Realize os cálculos da coluna A e após relacione a coluna A com a coluna B:
coluna A coluna B
a)(+21).(-9) ( )-598
b)(-46).(+13) ( )+1.886
c)(+32).(+15) ( )-189
d)(-82).(23) ( )+480
e)(+14).(-48) ( )-672​

Answer 1

Explicação passo-a-passo:

(+21).(-9)

-189

( A)-189

(-46).(+13)

-598

(B )-598

(+32).(+15)

+480

(C )+480

(-82).(-23)

+1886

( D)+1.886

(+14).(-48)

-672

( E)-672

Answer 2

Oie, tudo bom?

Resposta: (b) - 598;

(d) 1886;

(a) - 189;

(c) 480;

(e) - 672.

a)

= 21 . (- 9)

= - (21 . 9)

= - 189

b)

= (- 46) . 13

= - (46 . 13)

= - 598

c)

= 32 . 15

= 480

d)

= (- 82) . 23

= - (82 . 23)

= - 1886

e)

= 14 . (- 48)

= - (14 . 48)

= - 672

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