Question

Resolva as seguintes expressões numéricas:
a) 15+(8+2)
b) 25-(10-1-3)
c) 32+[10-(9-4)+8]
d) 45-[12-4+(2+1)]
e) 70-{20-[10-(5-1)]}​

Answer 1

Resposta:

Olá!

a) 15+(8+2)

15+10=25

b) 25-(10-1-3)

25-6=19

c) 32+[10-(9-4)+8]

32+[10-5+8]

32+13=45

d) 45-[12-4+(2+1)]

45-[12-4+3]

45-11=34

e) 70-{20-[10-(5-1)]}

70-{20-[10-4]}

70-{20-6}

70-14=56