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1 题 · 共 10
1989 真题★★☆☆☆
AMC8 #10
What is the number of degrees in the smaller angle between the hour hand and the minute hand on a clock that reads seven o'clock?
时钟显示七点整时,时针和分针之间较小角的度数是多少?
1989 AMC8 #10 figure