Terms for subject Mathematics containing disadvantage

English	Russian
advantages and disadvantages	достоинства и недостатки
be at a disadvantage	быть в невыгодном положении
grave disadvantage	серьёзный недостаток
have disadvantage	обладать недостатком
have some disadvantages	страдать недостатками
is not without disadvantages, is not infallible	не без недостатков
the binary numeration system has the advantage of having only two digit symbols but it also has a disadvantage of using many more digits	обладать преимуществом (недостатком)
the disadvantage of this method is that it does not average the strain over the whole section of the bar	усреднять по