鐘表上從1時10分到1時20分,分針轉(zhuǎn)了________度,時針轉(zhuǎn)了________度.
60 5
分析:鐘表上共有12個大格,每一個大格的度數(shù)是360°÷12=30°,再由分針每轉(zhuǎn)動1°時針轉(zhuǎn)動(
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)°計算出時針轉(zhuǎn)的角度即可.
解答:從1時10分到1時20分,分針轉(zhuǎn)動了2個大格,共轉(zhuǎn)了2×30°=60°;
時針轉(zhuǎn)了60°×
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=5°.
故答案為:60,5.
點評:本題考查鐘表時針與分針的夾角.在鐘表問題中,常利用時針與分針轉(zhuǎn)動的度數(shù)關系:分針每轉(zhuǎn)動1°時針轉(zhuǎn)動(
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)°,并且利用起點時間時針和分針的位置關系建立角的圖形.