Terms for subject Mathematics containing and Operations

English	Russian
for both vectors and tensors we can introduce various operations	как для векторов, так и для тензоров мы можем ввести самые различные операции
save the trouble and expense of this operation	освобождать ... от забот и расходов, связанных с этой операцией
these differences are often due to the variation in the kind and number of the built-in operations	обусловлен