幾題計量問題希望大大能幫小弟解惑
前兩題是比較大小
圖片我用拍的
http://dolabmon.imgur.com/gre
接著是
1. How many positive integers less than 20 are equal to the sum of a
positive multiple of 3 and a positive multiple of 4.
2. Two tanks, X ans Y, are filled to capacity with jet fuel. Tank X holds
600 gallons more than tank Y. If 100 gallons of fuel were to be pumped
from each tank, tank X would then 3 times as much fuel as tank Y. What
is the total number of gallons of fuel in the two full tanks?
感謝 <(_ _)>
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※ 編輯: dolabmon 來自: 118.169.224.68 (10/08 16:06)
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