• The learning process is entertaining and exciting
  • The solved tasks turn into coordinates
  • The chance to follow your progress
  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
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2416.3. Numerical chain concept

Write the correct answer!

Write all prime number which are in interval [11; 30] (in answer, numbers separate with semicole).
How many chain members are in the obtained chain?
What is the biggest and smallest chain sum?
Numerical chain
Numerical chain concept

Solve tasks to find hidden Geo point coordinates

  1. Physics: Electromagnetic wave formation and spread.
  2. Geometry: Regular polygon, its perimeter and area. Regular polygon indrawn circumference, circumference drawn around regular polygon.
  3. Algebra: Equation with two unknowns (either 1 or 2 degree)
  4. Geometry: Prism, pyramid, cylinder, cone height, basis. Cylinder and cone generatrix.
  5. Chemistry: Substance transformation. Chemical reaction types.
  6. Physics: Different electromagnetic wave usage.
  7. Chemistry: Natural substances and products.
  8. Geometry: Triangle, parallelogram, rhombus area formulas, through narrow angle sine value.
  9. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
  10. Physics: Simple mechanisms.