Question

Resolva as expressões

Answer 1

a)
$\frac{1}{8} + \frac{3}{8} = \frac{4}{8} = \frac{1}{2}$
b)
$\frac{6}{5} \div \frac{1}{16} = \frac{6}{5} \times 16 = \frac{96}{5}$

Answer 2

letra a ::

(1/2)^3+1/2.3/4=>

=>1/8•3/8

=>3/64



letra b::

√36/26÷(1/2)^4

=>6/5÷1/16

=>6/5×16/1

=>96/5

letra C::

3•(4/9)-{[(2/3)^2+2]÷√4/9}

=>12/9-{[4/9+2]÷2/3}

=>4/3-{22/9÷2/3}

=>4/3-{22/9×3/2}

=>4/3-{66/18}

=>4/3-33/9

=>4/3-11/3

=>4-11/3

=>-7/3

espero ter ajudado!

boa tarde!