Тапсырма
Сандарды көбейту:
| \(\displaystyle \times\) | \(\displaystyle 7\) | \(\displaystyle 2\) | ||
| \(\displaystyle 3\) | \(\displaystyle 6\) | |||
| \(\displaystyle +\) | ||||
Шешім
1. \(\displaystyle 3\underline{6} \)санының бірліктерін (бұл \(\displaystyle 6\)саны) \(\displaystyle 72{\small }\)санына көбейтеміз:
\(\displaystyle 6\cdot 72=432{\small . }\)
| \(\displaystyle \times\) | \(\displaystyle \bf 7\) | \(\displaystyle \bf 2\) | ||
| \(\displaystyle 3\) | \(\displaystyle \bf 6\) | |||
| \(\displaystyle +\) | \(\displaystyle \bf 4\) | \(\displaystyle \bf 3\) | \(\displaystyle \bf 2\) | |
| \(\displaystyle ?\) | \(\displaystyle ?\) | \(\displaystyle ?\) | ||
| \(\displaystyle ?\) | \(\displaystyle ?\) | \(\displaystyle ?\) | \(\displaystyle ?\) |
2. \(\displaystyle \underline{3}6\)санының ондығын (бұл \(\displaystyle 3\)саны) \(\displaystyle 72{\small }\)санына көбейтеміз:
\(\displaystyle 3\cdot 72=216{\small . }\)
| \(\displaystyle \times\) | \(\displaystyle \bf 7\) | \(\displaystyle \bf 2\) | ||
| \(\displaystyle \bf 3\) | \(\displaystyle 6\) | |||
| \(\displaystyle +\) | \(\displaystyle 4\) | \(\displaystyle 3\) | \(\displaystyle 2\) | |
| \(\displaystyle \bf 2\) | \(\displaystyle \bf 1\) | \(\displaystyle \bf 6\) | ||
| \(\displaystyle ?\) | \(\displaystyle ?\) | \(\displaystyle ?\) | \(\displaystyle ?\) |
3. Сандарды қосамыз:
| \(\displaystyle +\) | \(\displaystyle 4\) | \(\displaystyle 3\) | \(\displaystyle 2\) | |
| \(\displaystyle 2\) | \(\displaystyle 1\) | \(\displaystyle 6\) | ||
| \(\displaystyle 2\) | \(\displaystyle 5\) | \(\displaystyle 9\) | \(\displaystyle 2\) |
Нәтижесінде келесіні аламыз:
| \(\displaystyle \times\) | \(\displaystyle 7\) | \(\displaystyle 2\) | ||
| \(\displaystyle 3\) | \(\displaystyle 6\) | |||
| \(\displaystyle +\) | \(\displaystyle 4\) | \(\displaystyle 3\) | \(\displaystyle 2\) | |
| \(\displaystyle 2\) | \(\displaystyle 1\) | \(\displaystyle 6\) | ||
| \(\displaystyle 2\) | \(\displaystyle 5\) | \(\displaystyle 9\) | \(\displaystyle 2\) |
Жауабы: \(\displaystyle 2592{\small . }\)