locomexican89
locomexican89
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Im not sure if its the least number but it can be done in 3. group the balls in groups of 9 and weigh put one group on each scale. If they are equal the heavy ball is in the other group, otherwise one groups is heavier but u cant see which it is. …
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Im not sure if its the least number but it can be done in 3. group the balls in groups of 9 and weigh put one group on each scale. If they are equal the heavy ball is in the other group, otherwise one groups is heavier but u cant see which it is. …