Question

8. Calcule o valor das expressões numéricas:
a) 32.41-20 + 31.32.33
b) (-2)-6.82 + 30
c) 61.3-2 + 4-1 -4.7°
d) 84.83.84: 88​

Answer 1

Resposta:

a) 32.41-20+31.32.33

1312-20+992.33

1312-20+32736

1292+32736 = 34,028

b) (-2) - 6. 82 + 30

(-2) - 492 + 30

-494 + 30 = (-464)

c) 61. 3 - 2 + 4 - 1 - 4. 7

183 - 2 + 4 - 1 - 28= 156

d) 84 . 83 . 84 : 88

6,972. 84 : 88

585,648: 88= 6.655