Работа 15. 1. Сосчитай наиболее удобным способом: 76-28 = ? 49-21 = ? 86-47 = ? 92-19 = ? 52-26 = ? 94-19 = ? 33-14 = ? 63-17 = ? 46-19 = ?

Решим данные примеры столбиком для удобства: * 76 - 28 = 48 ``` 76 -28 --- 48 ``` * 49 - 21 = 28 ``` 49 -21 --- 28 ``` * 86 - 47 = 39 ``` 86 -47 --- 39 ``` * 92 - 19 = 73 ``` 92 -19 --- 73 ``` * 52 - 26 = 26 ``` 52 -26 --- 26 ``` * 94 - 19 = 75 ``` 94 -19 --- 75 ``` * 33 - 14 = 19 ``` 33 -14 --- 19 ``` * 63 - 17 = 46 ``` 63 -17 --- 46 ``` * 46 - 19 = 27 ``` 46 -19 --- 27 ``` Ответы: * 76 - 28 = 48 * 49 - 21 = 28 * 86 - 47 = 39 * 92 - 19 = 73 * 52 - 26 = 26 * 94 - 19 = 75 * 33 - 14 = 19 * 63 - 17 = 46 * 46 - 19 = 27