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234.1. Identical expressions.

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Calculate the value of expression (2+\frac{2}{2})\times 2+(1+2)\times 2!
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Identical expressions

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  1. Algebra: Linear function y = kx + b
  2. Algebra: Connection concept
  3. Algebra: Identical expression transformation.
  4. Algebra: Equation roots.
  5. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  6. Algebra: Polynomial normal form.
  7. Algebra: Equation roots.
  8. Algebra: Coordinate axis and point coordinate
  9. Algebra: Ordinary and decimal fractions
  10. Algebra: Ordinate axis
  11. Algebra: Point coordinates
  12. Algebra: Numerical connections
  13. Geometry: Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
  14. Algebra: Polynomial.
  15. Geometry: Angle, angle edges and peak, value, degree, measurement.
  16. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  17. Algebra: Polynomial.
  18. Algebra: Numerical equalities.
  19. Algebra: Connection concept
  20. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  21. Algebra: Function
  22. Algebra: Identity.
  23. Algebra: Numerical module
  24. Algebra: Ordinary and decimal fractions
  25. Algebra: Identical expressions.
  26. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  27. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  28. Algebra: Similar monomials
  29. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
  30. Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
  31. Algebra: Mathematics expression. Algebraic expression.
  32. Algebra: Mathematics expression. Algebraic expression.
  33. Algebra: Identical expression transformation.
  34. Algebra: Diagram y = kx + b (drawing)
  35. Algebra: Conditioned inequality properties
  36. Algebra: Subscript concept: base, index, degree
  37. Algebra: Coordinate axis and point coordinate
  38. Algebra: Monomial coefficient
  39. Geometry: Internal one-way angles, internal intersecting angles, step angles, parallel lines, parallel line properties, signs of line parallelism
  40. Algebra: Independent variable (argument) and dependent fixed (function)
  41. Algebra: Monomial coefficient
  42. Algebra: Equivalent equations.