Question

5) Dê o valor de:
a) 2 .0 .5 30

b) – 7 .(−8) − 14

c) – 3−7−9 19

d) (13−6+3)+ 5 2 .3

e) 10 .(−3)− 40 5 .(−20)

f) – 3 .(−1)+ 2 7−8

Answer 1

Resposta:

a) 2×0×5×30=

0×5×30=

0×30=

0

b) -7×(-8)-14=

56-14=

42

c) -3-7-9×19=

-3-7-171=

-181

d) (13-6+3)+5×2×3=

(13-6+3)+10×3=

(13-6+3)+30=

10+30=

40

e) 10×(-3)-40×5×(-20)=

-30-200×(-20)=

-30-4000=

-4030

f) -3×(-1)+2×7-8=

3+14-8=

17-8=

9

Explicação passo-a-passo:

Espero ter ajudado!!!!!