: Offers PDF versions of the "Mordkovich & Tulchinskaya" control work collections.
: Solving word problems (like the "two pipes filling a pool" classic) by constructing a system of equations as a mathematical model. Where to Find & Download : Offers PDF versions of the "Mordkovich &
: Use variable replacement/substitution for higher-degree equations. and lines) on a coordinate plane.
: Hosts digital copies of the Part 2 Problem Book (Zadachnik) , which contains the "Home Control Works" (Domashnyaya Kontrolnaya Rabota) for self-study. Typical Structure of Variant 1 Solve Graphically : e.g., a system with : Offers PDF versions of the "Mordkovich &
: Finding intersections of curves (e.g., parabolas, circles, and lines) on a coordinate plane.