8.4
基於印度吠陀數學實踐簡單乘法應用程序
基於印度吠陀數學實踐簡單乘法應用程序
- 特徵
引入了簡單公式
實踐
遊戲(時間測量)和排名
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87*83 =?
1。8 *(8 + 1)= 72
2。7 * 3 = 21
3。7200 + 21 = 7221
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