Question

Resolva as expressões numéricas:

A){6+[5×3+(9-2×4)]}

B){49+[2×9+(5+3+6)]}

C)8÷2+[3×7+(100-4×25)]}

D){27÷3+[32÷4+(36-9×4)]}

Me ajudem por favor!!!

Answer 1

Vamos lá.
a)
{6+[5x3+(9-2x4)]}
{6+[15+(9-8)]}
{6+[15+1]}
[6+16}
22
b)
{49+[2x9+(5+3+6)]}
{49+[18+14]}
{49+ 32}
81
c)
{8÷2+[3x7+(100-4x25)]}
{4+[21+(100- 100)]}
{4+[21+0]}
[4+21}
25
d)
{27÷3+[32÷4+(36-9x4)]}
{9+[8+(36-36)]}
{9+[8+0]}
{9+8}
17

Espero ter ajudado.