37/12-2 3/4+5 2/12= 5 7/10+3 2/15-1 1/2=. 17 5/8-(6 7/24+5 1/12)=.

Nika5647 Nika5647    1   02.10.2019 00:20    1

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Maestror Maestror  21.08.2020 20:16
3 \frac{7}{12} - 2 \frac{3}{4} + 5 \frac{2}{12} = \\ \\ = 3 \frac{7}{12} - 2 \frac{9}{12} + 5 \frac{2}{12} = \\ \\ = 8 \frac{9}{12} - 2 \frac{9}{12} = 6
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5 \frac{7}{10} + 3 \frac{2}{15} - 1 \frac{1}{2} = \\ \\ = 5 \frac{21}{30} + 3 \frac{4}{30} - 1 \frac{15}{30} = \\ \\ = 8 \frac{25}{30} - 1 \frac{15}{30} = 7 \frac{10}{30} = 7 \frac{1}{3}
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17 \frac{5}{8} - (6 \frac{7}{24} + 5 \frac{1}{12} ) = \\ \\ = 17 \frac{15}{24} - (6 \frac{7}{24} + 5 \frac{2}{ 24} ) = \\ \\ = 17 \frac{15}{24} - 11 \frac{9}{24} = \\ \\ = 6 \frac{6}{24} = 6 \frac{1}{4} = 6.25
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