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                                                                                               #Critical Thinking
                                                                                         Century
                                                                                           Skills
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                     You must have seen Sudoku puzzles in newspapers before. Read the following rules that
                     apply to the puzzle:
                        Every square has to contain a single number.
                        Only numbers from 1 to 4 can be used.

                        Each 2 × 2 box can only contain each number from 1 to 4 once.

                        Each vertical column can only contain each number from 1 to 4 once.

                        Each horizontal row can only contain each number from 1 to 4 once.
                     One has been done for you.                         4  2  1  3

                                                                  1   3   4   2

                                                                  3   4   2   1
                     Now, solve the following Sudoku puzzles:
                                                                  2   1   3   4

                       a.                        b.                          c.
                                  1   2                  1

                                      4                 3    2         4            1

                             3                          2              1                     2   3

                                           4                      3                 2   3








                        CAREER HERE
                 People who are experts in PowerPoint 2016 may pursue their careers as Presenters in online
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                    FOR THE TEACHER

                   Demonstrate the procedure to insert pictures from different sources and set a slide background.


















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