Question

Resolva as expressões numéricas:

Answer 1

Resposta:

a)

10-3-5+15

7-5+15

2+15 = 17

b)12+[35-12+2]

12+[23+2]

12+25= 37

c)

[(18+6)÷8+15]÷6

[24÷8+15]÷6

[ 3+15]÷6

18÷6 =3

d)

37+[-25-4]

37-29 = 8

e)60÷{2.[-7+18÷9]}-[-21+9+1]

60÷ {2.[-7+2]}+11

60÷ { 2.[-5]}+11

60÷ {-10}+11

-6+11= 5

f)-8+{-5+[(-4)+25]-10}

-8+{-5+21-10}

-8+6 = -2