Вычислите:
3/14+{11/63-5/42}=
Ответ
8
3/14+{11/63-5/42}=27/129+(22/126-15/126)=27/126+7/126=34/126=17/63
Ответ
5
3/14+(11/63-5/42)=27/126+(22/126-15/126)=27/126+7/126=34/126=12/63