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數學題一問
發問:
小弟有三題英文數學題唔明講咩，有冇高手可以用中文解比我聽，講埋個正確答案比我聽同點解呀。教下我啦，唔該！ 更新: 1.Find an approximate value for each of the following numbers using the Front-end-method. (a) 584 (b) 4.231 更新 2: 2. Round up each of the following numbers correct to the nearest value given in the brackets. (a) 12892 (ten) (b) 29701 (hundred) 更新 3: 3. Round down each of the following numbers correct to the nearest value given in the brackets. (a) 7833.2 (one) (b) 0.276 (one) 4. Find an estimated value of the expression 78.9 x 0.54 using compatible numbers.
最佳解答:
1.Find an approximate value for each of the following numbers using the Front-end-method. 1.使用前面結束方法，發現一個近似值為以下數字中的每一個 (a) 584 (b) 4.231 2.Round up each of the following numbers correct to the nearest value given in the brackets 2.環繞以下數字中的每一個正確到在托架給的最近的價值。 (a) 12892 (ten) (b) 29701 (hundred) 3. Round down each of the following numbers correct to the nearest value given in the brackets. 3.環繞下來以下數字中的每一個正確到在托架給的最近的價值。 (a) 7833.2 (one) (b) 0.276 (one) 4.Find an estimated value of the expression 78.9 x 0.54 using compatible numbers 4.使用適合數字，發現表示78.9 x 0.54的估計的價值 答案唔識做,自己做
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