Page 4 - qua1
P. 4

4                                                                             .12
                                                                              .13
                   +4                                                         .14

                                                  3 +4                                    4
                                               =1=

       3                                       +4  /∙
       1=

       3 = + 4 /−

                   2 = 4 /: 2

   84                                          =
                                                         6

                                                            .:

                             C                              =

                                            1                3  3   /∙  3
                                                            1=
   AB
                     E                                      =

     D

                                                                EB

       1+ 3 =

       4= /
              =
                   .

          .                                                 , 50,000 + 100 -
   10,000 + 500 -

   50,000 + 100 = 10,000 + 500 /−10000 /−100
                      40,000 = 400 /: 400
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