Автор - kiselevan2018

24+x=78.x-37=58.85-x=61

Ответ

Проверено экспертом

Автор - prettypushkova

24 + х = 78

х = 78 - 24

х = 54

Проверка:

24 + 54 = 78

78 = 78

- - - - - - - - - - - -

х - 37 = 58

х = 58 + 37

х = 95

Проверка:

95 - 37 = 58

58 = 58

- - - - - - - - - - - -

85 - х = 61

х = 85 - 61

х = 24

Проверка:

85 - 24 = 61

61 = 61

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