Предмет: Математика, автор: vasileuskaya78

13/22 +21/7:d=11/7

Ответы

Автор ответа: Анастасия5867

13/22 +2*1/7:d=1*1/7
13/22+2*1/7* 1/d=1/7
13/22 + 2/7d=1/7
2/7d=1/7-13/22
2/7d= - 69/154
308= - 483d
-483d=308
d = - 44/69

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