$7 - 3^{1} \times 2^{2} = $

$5^{1} - 5^{0} + 5^{2} - 0^{5} \times 1^{5} = $

$\frac{6^{2} - 3 \times 2^{2}}{3^{3} + 5^{2}} = $

$3^{2} \times 3^{5} \times 2^{2} - 4 = $

$2^{2} + 2^{2} = $

$\frac{3^{2}}{2} - \frac{3}{2} = $