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8 • 3 = 24; 24 : 4 = 6; 6 • 9 = 54; 54 – 5 = 49. 7 • 8 = 56: 56 – 2 = 54; 54 : 6 = 9; 9 : 3 = 3.
8 • 3 = 24; 24 : 4 = 6; 6 • 9 = 54; 54 – 5 = 49. 7 • 8 = 56: 56 – 2 = 54; 54 : 6 = 9; 9 : 3 = 3.