Задание
Найти разность:
\(\displaystyle 98734-12456-67561= {?}\)
| \(\displaystyle 9\) | \(\displaystyle 8\) | \(\displaystyle 7\) | \(\displaystyle 3\) | \(\displaystyle 4\) | |
| \(\displaystyle –\) | |||||
| \(\displaystyle 1\) | \(\displaystyle 2\) | \(\displaystyle 4\) | \(\displaystyle 5\) | \(\displaystyle 6\) | |
| \(\displaystyle –\) | |||||
| \(\displaystyle 6\) | \(\displaystyle 7\) | \(\displaystyle 5\) | \(\displaystyle 6\) | \(\displaystyle 1\) | |
Решение
Вычтем из первого числа второе:
\(\displaystyle 98734-12456 = 86278{\small.}\)
| \(\displaystyle 9\) | \(\displaystyle 8\) | \(\displaystyle 7\) | \(\displaystyle 3\) | \(\displaystyle 4\) | |
| \(\displaystyle –\) | |||||
| \(\displaystyle 1\) | \(\displaystyle 2\) | \(\displaystyle 4\) | \(\displaystyle 5\) | \(\displaystyle 6\) | |
| \(\displaystyle \bf 8\) | \(\displaystyle \bf 6\) | \(\displaystyle \bf 2\) | \(\displaystyle \bf 7\) | \(\displaystyle \bf 8\) | |
Из полученного результата вычтем число \(\displaystyle 67561{\small:}\)
\(\displaystyle 86278 - 67561=18717{\small.}\)
| \(\displaystyle 8\) | \(\displaystyle 6\) | \(\displaystyle 2\) | \(\displaystyle 7\) | \(\displaystyle 8\) | |
| \(\displaystyle –\) | |||||
| \(\displaystyle 6\) | \(\displaystyle 7\) | \(\displaystyle 5\) | \(\displaystyle 6\) | \(\displaystyle 1\) | |
| \(\displaystyle 1\) | \(\displaystyle 8\) | \(\displaystyle 7\) | \(\displaystyle 1\) | \(\displaystyle 7\) | |
Ответ: \(\displaystyle 18717{\small.}\)