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234.2. Identical expressions.

Write the correct answer!

Calculate the value of expression (3+2\div 2)\times 4+(1+2)\times 5!
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Identical expressions

Solve tasks to find hidden Geo point coordinates

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