Question

pls tell me by solving on a paper​

Answer 1

Answer:

${ (\frac{1}{3}) ^{ - 3} - ( \frac{1}{2} )^{ - 3} } \div ( \frac{1}{4} )^{ - 3} \\ = {3}^{3} - {2}^{3} \div {4}^{3} \\ = (3 - 2)^{3} \div {4}^{3} \\ = {1}^{3} \div {4}^{3} \\ = \frac{1}{4}$