"Tracker自由落體" 修訂間的差異
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<img src='http://science4everyone.net/file/%E5%BC%B5%E5%8F%88%E6%87%BF/01%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8/img/%E5%96%AE%E6%93%BA.jpg' height=200> | <img src='http://science4everyone.net/file/%E5%BC%B5%E5%8F%88%E6%87%BF/01%E7%89%A9%E8%B3%AA%E7%A7%91%E5%AD%B8/img/%E5%96%AE%E6%93%BA.jpg' height=200> | ||
+ | |||
+ | ===探究問題=== | ||
+ | |||
+ | <s4e> | ||
+ | pid=346 | ||
+ | show=問題探究 | ||
+ | </s4e> |