[解題] 高一數學
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1.年級:高一
2.科目:整數
3.章節:除法原理
版本、章節數、主題
4.題目:1.求 53/5 的商和餘數 答: 商=10 餘數=3
2.求(-53)/5的商和餘數 答: 商=-11 餘數=2
3.求53/(-5)的商和餘數 答: 商=-10 餘數=3
不同章節或主題之題目請份篇發表
5.想法:依照a=bq+r 且 0(小於等於) r 小於(b的絕對值) 且a b為整數
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
我是先把第一題算出來 之後才跟定理對照 覺得沒有問題XD
但是在算第二三題的時候 假如先不要看定理當中餘數所規定的範圍
以第二題來說 我就不太知道應該要餘2 還是餘-3 = =......
第三題也有同樣的情形(不知該餘3還是餘-2)
不知道能不能直接用一般的例子直接用"想的"來解2.3題
麻煩各位高手解惑了 謝謝 ^^"
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