Предмет: Математика, автор: angel20129

Частные случаи сложения и вычитания

artemrodyushkin: можно по понятней?

Ответы

Автор ответа: ppoldjaeva

1)при сложении единицы складывают с единицами 26+2=28, а десятки с десятками 26+10=36 и т.д.

2)при вычитании единицы вычитают из единиц 26-2=24, а десятки из десятков 26-10=16 и т.д.

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