1/9+7/9= 3/7+2/7= 3/11+5/11= 3/13+1/13= 7/17+8/17= 6/15+7/15=

Question

1/9+7/9= 3/7+2/7= 3/11+5/11= 3/13+1/13= 7/17+8/17= 6/15+7/15=

Answer 1

Решение на фото)))))

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Answer 2

1/9+7/9=8/9; 3/7+2/7=5/7; 3/11+5/11=8/11; 3/13+1/13=4/13; 7/17+8/17=15/17; 6/15+7/15=13/15.