предположим

см. тж. пусть

• (Let us) suppose (for argument's sake) that all these students had their picture taken for the yearbook, where ...

• Say an optical reader is mounted on the spindle.

• Let (us assume that) Z_i Z_l = ...

• Put P₁P/P₂P = r.

• (Now) suppose the initial design calls for ...

• T is taken to be 2 hr.