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9.
9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81
: . , - , - .., – .., - . 9 * 5 = 45 , , 5- : 4 - 4 , 5 – 5 , , 45. 9 * 7 = 63 7- 6, 3 , 63.
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