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Jun 5th 2013, 06:13

答案要+算法
1.有大小兩數,兩數之和事A兩數之差是B,下列何者正確?(1.)A+B:小數的兩倍
(2)A+B:大數的兩倍(3)A+B:小數

2.有兩格梯型上.下底都是10公分和28公分.高分別是16公分和34公分.兩梯型的面積和是多少?

3.小昱的手錶一天快10分鐘.小華的手表一天慢0.5小時.一星期後兩人手錶相差( )分鐘?

4.楓樹國小的水球大賽裡.有大小兩種水球.小水球數量是30個.大水球數量比小水球的數量多50個.兩數同時加多少後.大水球數量會是小水球數量的兩倍?

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