Terms for subject Mathematics containing at least

English	Russian
at least	по меньшей мере (Given F find at least one solution of (1) .)
at least and at most	ровно (ни больше, ни меньше)
in the amount of at least	в размере не менее, чем (Alex_Odeychuk)
in the amount of at least	в размере не менее (Alex_Odeychuk)
the degree of P exceeds is less than that of Q by at least at most 2	на... больше меньше
the degree of P exceeds is less than that of Q by at least at most 2	на ... больше (меньше)
the properties of the material are controlled by at least three major factors	зависеть от трёх основных факторов
the temperature is at least by several orders of magnitude lower than	порядок величины
the tensor of moments inside the disk is continuous at least on that set where only elastic deformation is observed	на том