Question

51 1/14 - 28 3/4 = 50 ?/28 - 28 21/?=? ?/?
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Answer 1

Ответ:

$51 \frac{1}{14} - 28 \frac{3}{4} = 51 \frac{2}{28} - 28 \frac{21}{28} = \\ 50 \frac{30}{28} - 28 \frac{21}{28} = 22 \frac{9}{28}$