Question

(−2pe 3 ) la patrat⋅[0.(3)+ 1/2÷(−0.75) ] =?

Answer 1

$( -\frac{2}{3}) ^{2-[ \frac{3}{9}+ \frac{1}{2} :( -\frac{75}{10}) ] } = \frac{4}{9}-( \frac{3}{9}+ \frac{1}{15})= \frac{4}{9}-( \frac{1}{ 3}+ \frac{1}{15} )= \frac{4}{9}- \frac{6}{15}= \frac{2}{45}$