7/9 +2/9 1/7 + 6/7 3/5 - 1/5. Created by samolet877. matematika-ru

5...

samolet877 @samolet877

August 2022 1 2 Report

7/9 +2/9
1/7 + 6/7
3/5 - 1/5

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RomanNikitych

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$1)\frac{7}{9}+\frac{2}{9}=\frac{7+2}{9}=\frac{9}{9}=1\\2) \frac{1}{7}+\frac{6}{7}=\frac{1+6}{7}=\frac{7}{7}=1\\ 3)\frac{3}{5}-\frac{1}{5}=\frac{3-1}{5}=\frac{2}{5}$

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