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thanks for sharing!!@@
no!!!!!!!!!!
64秒
112 i think
不知道
112 seconds
某人要到10层大楼的第8层办事,不巧停电,电梯停开。如从1层楼梯走到4层需要48秒。# d6 D: h4 L' H1 Y
请问以同样的速度往上走到8层,还需要几秒才能到达?
最憎数学的啦
thank you very much
thank you very much
thank you very much
thank you very much
thank you very much
thank you very much
thank you very much
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