Report - 03 Mat2bach CC CD t03 mec · 18 24 | 15 20 ° ¢ £ 18x + 24y = 6 15x ... 2 · 7 · 3 = 42 7 · 8 · 6 = 336 9 · 8 · 4 = 288 2 · 9 · 1 = 18 b)a 11 a 22 a 33 a 13 a 22 a 31 a 13

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