Вычислите 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

Вычислите 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

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