Resolva as operaçoes A ) (-12) -(+3)-(-20)=B ) ( +15 )+( 1) + ( -7 ) =C ) ( +10 )-( -20) = D ) ( -12)
Resolva as operaçoes A ) (-12) -(+3)-(-20)=
B ) ( +15 )+( 1) + ( -7 ) =
C ) ( +10 )-( -20) =
D ) ( -12) (-9 )+(+1)=
Me
1 Resposta
a)5
b)10
c)30
d)109
Explicação passo a passo:
A ) (-12) -(+3)-(-20)= (-12-3+20)= 5
B ) ( +15 )+( 1) + ( -7 ) = 10
C ) ( +10 )-( -20) = +10+20 = 30
D ) ( -12) (-9 )+(+1)= 108+1 = 109
