Предмет: Математика, автор: 20031970

решить уравнение х-9=4

Ответы

Автор ответа: vta79

0

х-9=4
х=4+9
х=13.............................

Автор ответа: tramvaychik98

0

х-9=4
х=9+4
х=13
-----------------------------------
13-9=4
4=4

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