Ответ:
[tex]1)7 \frac{12}{35} [/tex]
[tex]2) \frac{1}{9} [/tex]
Пошаговое объяснение:
[tex]1)3 \frac{1}{5} - ( - 4 \frac{1}{7} ) = 3 \frac{1}{5} + 4 \frac{1}{7} = (3 + 4) + ( \frac{1}{5} + \frac{1}{7} ) = 7 + ( \frac{1}{5} + \frac{1}{7} ) = 7 + \frac{12}{35} = 7 \frac{12}{35} [/tex]
[tex]2) \frac{2}{9} - \frac{1}{3} = \frac{2 - 3}{9} = \frac{ - 1}{9} = \frac{1}{9} [/tex]
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Answers & Comments
Ответ:
[tex]1)7 \frac{12}{35} [/tex]
[tex]2) \frac{1}{9} [/tex]
Пошаговое объяснение:
[tex]1)3 \frac{1}{5} - ( - 4 \frac{1}{7} ) = 3 \frac{1}{5} + 4 \frac{1}{7} = (3 + 4) + ( \frac{1}{5} + \frac{1}{7} ) = 7 + ( \frac{1}{5} + \frac{1}{7} ) = 7 + \frac{12}{35} = 7 \frac{12}{35} [/tex]
[tex]2) \frac{2}{9} - \frac{1}{3} = \frac{2 - 3}{9} = \frac{ - 1}{9} = \frac{1}{9} [/tex]