Page 67 - حقيبة كتاب الصف الخامس الرقمية
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ï ¯U                                   1-4

Patterns and Properties of Multiplication

    U 10                                ¯                      M
                                                              ï¯
              10              10 ¯ ¯                      ¯
                                                                  F
                              :¯ ¯      ¯                         2 × 4 × 30
                                                                 2 × 40 × 3
         2 × 400 × 30                  20 × 4 × 30               20 × 4 × 3
        20 × 40 × 30                  20 × 40 × 3            10 × 2 × 4 × 3
        200 × 4 × 30                  2 × 4 × 300
    1 000 × 2 × 4 × 3             100 × 2 × 4 × 3

                              :¯ ¯ U ¯

              = 6 × 300 × 20               = 60 × 3 × 20         = 6 × 3 × 20
                                           = 60 × 30 × 2         = 6 × 30 × 2
    36 000 = × 30 × 20         3 600 = 6 × × 200                 = 60 × 3 × 2
                              3 600 = × 6 × 3 × 2            = 10 × 6 × 3 × 2
    36 000 = 600 × 3 × 20

    36 000 =  ×6×3×2

    ¯I ¯ ? ¯                        ¯¯                    ï ¯1 ¯ ¯

    100 10                    ¯¯    ¯ï                             2

                                                             1 000

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