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235.3. Identical expressions.

Check the correct answer!

Are the expressions 3+2\times 23-13 and (3+3)\times (23-13) identical?
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Identical expressions

Solve tasks to find hidden Geo point coordinates

  1. Geometry: Point, straight line, plane, geometric figure
  2. Algebra: Identical expressions.
  3. Algebra: Equivalent inequalities.
  4. Geometry: Angle, angle edges and peak, value, degree, measurement.
  5. Algebra: Trinomial.
  6. Algebra: Linear equations ax + b = 0, where a, b ∈ Q.
  7. Algebra: Function y = x²
  8. Algebra: Similar monomials.
  9. Algebra: Ordinary and decimal fractions
  10. Algebra: Ordinate axis
  11. Algebra: Numerical equalities.
  12. Algebra: Numerical connections
  13. Algebra: Monomial (1. degree).
  14. Algebra: Monomial normal form
  15. Algebra: Coordinate beginning point
  16. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  17. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  18. Algebra: Equation properties.
  19. Algebra: Equivalent inequalities
  20. Algebra: Linear inequality solution
  21. Algebra: Diagram y = kx + b (drawing)
  22. Algebra: Opposite type inequalities.
  23. Algebra: Degree with negative index
  24. Algebra: Coordinate axis and point coordinate
  25. Algebra: Percent and proportions
  26. Algebra: Equivalent inequalities
  27. Algebra: Direct proportionality concept
  28. Algebra: Monomial (1. degree).
  29. Algebra: Monomial coefficient
  30. Geometry: Three point mutual arrangement.
  31. Algebra: Mutually equal monomials
  32. Algebra: Notation –x < 3 or x ∈ (– ∞; 3)
  33. Algebra: Direct proportionality concept
  34. Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
  35. Algebra: Polynomial opposite polynomial.
  36. Algebra: Numerical expression.
  37. Algebra: Linear equations ax + b = 0, where a, b ∈ Q.
  38. Algebra: Coordinate plane
  39. Algebra: Monomial normal form
  40. Algebra: The concept of coherence
  41. Algebra: Degree with negative index
  42. Geometry: Isosceles triangle, sidewall, basis, equilateral triangle, line segment mid-perpendicule, connection between angles and edges in triangle.