Question

o mmc 20-30-40-81 ??​

Answer 1

20, 30, 40, 81 | 2

10, 15, 20, 81 | 2

5, 15, 10, 81 | 2

5, 15, 5, 81 | 3

5, 5, 5, 27 | 3

5, 5, 5, 9 | 3

5, 5, 5, 3 | 3

5, 5, 5, 1 | 5

1, 1, 1, 1 | 1

MMC = 2³. 3⁴ . 5 = 3240

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