Ответ:
а)
[tex]3 - 1 \frac{3}{8} = 2 \frac{8}{8} - 1 \frac{3}{8} = 1 \frac{5}{8} = \frac{13}{8} [/tex]
13/8 и 8/13.
б)
[tex]3 + 6 \frac{7}{8} = 9 \frac{7}{8} = \frac{79}{8} [/tex]
79/8 и 8/79
в)
[tex] \frac{4}{17} \times \frac{51}{16} = \frac{3}{4} [/tex]
3/4 и 4/3
г)
[tex]2 \times \frac{2}{7 } = \frac{4}{7} [/tex]
4/7 и 7/4.
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Ответ:
а)
[tex]3 - 1 \frac{3}{8} = 2 \frac{8}{8} - 1 \frac{3}{8} = 1 \frac{5}{8} = \frac{13}{8} [/tex]
13/8 и 8/13.
б)
[tex]3 + 6 \frac{7}{8} = 9 \frac{7}{8} = \frac{79}{8} [/tex]
79/8 и 8/79
в)
[tex] \frac{4}{17} \times \frac{51}{16} = \frac{3}{4} [/tex]
3/4 и 4/3
г)
[tex]2 \times \frac{2}{7 } = \frac{4}{7} [/tex]
4/7 и 7/4.