Question

calcule o valor das expressões
a) 30-(5+3)=
b)15+(8+2)=
c)15-(10-1-3)

Answer 1

a)
30 - ( 5 + 3 ) =
30 - ( 8 ) =
30 - 8 =
22

b) 
15 + ( 8 + 2 ) =
15 + ( 10 ) =
15 + 10
25

c)
15 - ( 10 - 1 - 3 ) =
15 - ( 6 ) = 
15 - 6 = 
9

Answer 2

Resposta:

respostas da d)23-(2+8)-7 = e)(10+5)-(1+6)= f)7-(8-3)+1=.