Используя распределительный закон, запишите разность в виде произведения
7*13 - 7*2 =
18*9 - 18*7 =
5*23 - 5*8 =
25*13 - 25*10 =
7*13 - 7*2 =
18*9 - 18*7 =
5*23 - 5*8 =
25*13 - 25*10 =
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7 * 13 - 7 * 2 = 7 * ( 13 - 2) = 7 * 11 = 77
18 * 9 - 18 * 7 = 18 * ( 9 - 7 ) = 18 * 2 = 36
5 * 23 - 5 * 8 = 5 * ( 23 - 8 ) = 5 * 15 = 75
25 * 13 - 25 * 10 = 25 * ( 13 - 10) = 25 * 3 = 75