鐘面上的分針和時針都從12開始旋轉(zhuǎn) 當(dāng)分針轉(zhuǎn)6圈 時針旋轉(zhuǎn)了幾度
鐘面上的分針和時針都從12開始旋轉(zhuǎn) 當(dāng)分針轉(zhuǎn)6圈 時針旋轉(zhuǎn)了幾度
數(shù)學(xué)人氣:634 ℃時間:2020-04-24 22:51:55
優(yōu)質(zhì)解答
分針轉(zhuǎn)一圈,時針轉(zhuǎn)一個字,所以時針共轉(zhuǎn)了6個字,正好是半圈,所以時針轉(zhuǎn)了180°
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