最少称几次你可以找出这只稍重的球？
What’s the fewest number of times you have to use the scale to find the heavier ball?
最少称几次你可以找出这只稍重的球？
What's the fewest number of times you have to use the scale to find the heavier ball?
如果给你一个天平，最少称几次你可以找出这只稍重的球？
What's the fewest number of times you have to use the scale to find the heavier ball?
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