解答
解答
求解步骤
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A.T.Q.:
求解
流行的例子
At 13:00, a water tank contained 200 litres of water. Water flowed from the tank at a constant rate until at 15:30, the tank was completely empty. Calculate the rate of flow of water from the tank in litres per hour. If your answer is a decimal, give it do 1 decimal placeFind the length of a rectangle whose 面积 is 20 units and breadth is 4 units.Find the area of a circle with a 直径 of 30 feet.The 差集 between six times a number and four more than five times the numberFour more than the product of a number and 3 equals 6