Matematika

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Tolong ya..... Besok dikumpulin
Tolong ya..... Besok dikumpulin

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  • 1. b + c = 5 + 4 = 9
                  = 6 -3 = 3
                 = -7 + 2 = -5
                 = -8 -1 = -9
                 = 9 + 0 = 9
     a x (b + c) = 1(9) = 9
                       = -2(3) = -6
                       = 3(-5) = -15
                      = -4(-9) = 36
                      = 5(9) = 45
    a x b = 1 x 5 = 5
             = -2 x 6 = -12
              = 3 x -7 = -21
              = -4 x -8 = 32
              = 5 x 9 = 45
    a x c = 1 x 4 = 4
              = -2 x -3 = 6
              =  3 x 2 = 6
              = -4 x -1 =4
              = 5 x 0 = 0
    (a x b) + (a x c) = 5 x 4 = 20
                               = -12 x 6 = -72
                               =-21 x 6 = -126
                              = 32 x 4 = 128
                              = 45 x 0 = 0

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