Автор - zrnngmn

выполните действия (521 + 314) * 1 2/19

Ответ

Автор - julya69069
10/42+ 9/42=19/42
19/42* 21/19=1/2

Ответ

Автор - yarairmed


1) 5/21 + 3/14= 19/42

2) 19/42 * 1 2/19= 12


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