Предмет: Математика, автор: adelena123

тут дробь не пишется так что уж пишу как есть )
1)-11/21+4/21+5/21=?
2)4/21-11/21+5/21=?
3)-11/21+(4/21+5/21)=?

Ответы

Автор ответа: PechenkaSPN
0
Во всех случаях -2/21 -2/21 -2/21
Автор ответа: shamil999999
0
1)-11/21+9/21=(-2/21)
2)-2/21
3)-2/21
Короче все одинаковые.
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