Ответ:
Пошаговое объяснение:
38) =(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+1/6-1/7)+...+(1/13-1/14)=1/3-1/4+1/4-1/5+...+1/13-1/14=
1/3-1/14=11/42. (A)
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Ответ:
Пошаговое объяснение:
38) =(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+1/6-1/7)+...+(1/13-1/14)=1/3-1/4+1/4-1/5+...+1/13-1/14=
1/3-1/14=11/42. (A)