CARTESIAN COORDINATE SYSTEM   6th grade

              beginning        1      2     3     4     5     6     7     8      9     10     control questions

                                        

                                  A blindfold guess: "The point, which is symmetric to (9; 6) about the x-axis is... "

 TCH

 

  Problem 6.1.

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  Problem 6.2. 

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  Problem 6.3.

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