【實用教育app】Adding apples and oranges|最夯免費app

Educational app about adding apples and oranges.

To calculate the value of an apple and an orange from 2 purchases.

(Assuming that all apples are equal and that all oranges are equal)

About mental arithmetic with a pre-algebra tool, introducing the Gaussian elimination. ( Gauss - Jordan )

From http://www.nummolt.com/obbl/appleorange/index.html

nummolt - Obbl - Math Toys collection - Mathcats.

MathTools reference:

http://mathforum.org/mathtools/tool/178345/

Algebra Linear Systems

Algebra II Solving systems of equations, Elimination

PreCalculus Solving systems of linear equations, Gauss-Jordan Method, determinants

We recommend the paid 'Apples and Oranges 1 Decimal':

http://play.google.com/store/apps/details?id=com.appleorange.firstdecimal

(http://mathforum.org/mathtools/tool/219536/)

Math 7: Linear relationships, Find slope, Slope-intercept form, Equation of the line, Rect coordinate geometry, First quadrant, Geometry in the plane

Algebra: Linear Equations, Slope Between Points, Finding Intercepts, Slope - Intercept Form, Point - Slope Form, Graphing, Parallel Lines, Perpendicular Lines, Linear Formulas, Analyzing Linear Data, Is It Linear?, Writing an Equation, Line of Best Fit, Linear Systems, Solve by graphing, Solve by substitution, Solve by combination, Inconsistent System, Applications

Algebra II: Solving systems of equations, Cramer's rule, Matrices, Elimination, Substitution

NOTE:

'Adding apples and oranges' app free, is a simplified version of the first part of the nummolt's paid app: 'Apples and oranges 1 decimal place'. (the Gauss-Jordan elimination)

All options "Apples and oranges first decimal":

( 1: Gauss-Jordan elimination; 2: Graphic; 3: Substitution; 4: Cramer's rule; 5: Inverse matrix )

Credits:

Feature graphic by: http://photo-lgz.blogspot.com/

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