作业帮小学六年级上册数学书2011年第76页关于跑道的表格怎么做【人教版的】急
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小学六年级上册数学书2011年第76页关于跑道的表格怎么做【人教版的】急
这个表格有一个规律,直径就是前一个跑道的直径加上2.5就行了,而周长和全长前一个跑道都要加上7.85,直径依次是：72.6、75.1、77.6、80.1、82.6、85.1、87.6、90.1,周长是：228.08、235.93、243.78、251.63、259.48、267.33、275.18、283.03,全长是：400、407.85、415.7、423.55、431.4、439.25、447.1、454.95.这是我好不容易才发现的!
小学教才全解上有，自己看去
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What's your favorite subject? My favorite subject is math.
What's his favorite subject? His favorite subject is art.
What's her favorite subject? Her favorite subject is P.E.
Why do y...
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What's your favorite subject? My favorite subject is math.
What's his favorite subject? His favorite subject is art.
What's her favorite subject? Her favorite subject is P.E.
Why do you like math? Because it's interesting.
Why does he like art? Because it's fun.
Why does she like P.E? Because it's exciting.
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