When Field finished writing the multiplication table, Kao was confused, shocked, and finally looked at Field with suspicion. He muttered in his heart: Lord, have you slept with the goddess of wisdom?
"Don't look at me like that, it's just some tricks." Field patted Kao on the shoulder and smiled, "Memorize these, it will be much more convenient in the future. Of course, you have to teach the children to memorize them." The current Griffin Empire still uses a counting method that combines wooden sticks and arithmetic boards, similar to an abacus. The long wooden stick represents ten the short wooden stick represents one and the arithmetic board looks like playing chess. In later generations, there are still many countries that cannot use multiplication formulas. When encountering arithmetic, they will use the line method, which looks similar to Gobang. Kao held it in for a long time, and then he was forced to admit his admiration: "My Lord, you are one of the few people I admire."
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