15 целых 12/18 + 12 3/9

Question

15 целых 12/18 + 12 3/9

Answer 1

15 целых 12/18 + 12 3/9 = 15 12/18 + 12 6/18 = 27 18/18 = 28

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15 целых 12/18 + 12 3/9= 15 2/3 + 12 1/3 = 27 3/3 = 28

Comments

Спасибо!