|
▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
|
- \twostack{▭}{▭} | \lt | 7 | 8 | 9 | \div | AC |
+ \twostack{▭}{▭} | \gt | 4 | 5 | 6 | \times | \square\frac{\square}{\square} |
\times \twostack{▭}{▭} | \left( | 1 | 2 | 3 | - | x |
▭\:\longdivision{▭} | \right) | . | 0 | = | + | y |
induction-calculator
prove%5C%3Aby%5C%3Ainduction%5C%3A%5Csum_%7Bk%3D1%7D%5E%7Bn%7Dk%5E%7B2%7D%3D%5Cfrac%7Bn%28n%2B1%29%282n%2B1%29%7D%7B6%7D
he
הוסף הודעה.
הודעה התקבלה. תודה על המשוב.