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・ Balance of Power (album)
・ Balance of Power (band)
・ Balance of power (federalism)
・ Balance of power (international relations)
・ Balance of power (Parliament)
・ Balance of Power (Red Dwarf)
・ Balance of Power (Star Trek)
・ Balance of Power (video game)
・ Balance of system
・ Balance of Terror
・ Balance of terror
・ Balance of threat
・ Balance of trade
・ Balance Point
・ Balance point temperature
Balance puzzle
・ Balance return loss
・ Balance Rock, California
・ Balance shaft
・ Balance sheet
・ Balance sheet recession
・ Balance spring
・ Balance theorem
・ Balance theory
・ Balance transfer
・ Balance wheel
・ Balance Your Budget
・ Balance-toi
・ Balanced action
・ Balanced audio


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Balance puzzle : ウィキペディア英語版
Balance puzzle

A balance puzzle is one of a number of logic puzzles based on the balancing of similar-looking items—often coins—to determine which holds a different value within a limited number of uses of the balance scales. These differ from puzzles that assign weights to items, in that only the relative mass of these items is relevant.
==Premise==

A well-known example has nine (or fewer) items, say coins (or balls), that are identical in weight save for one, which in this example is lighter than the others—a counterfeit (an oddball). The difference is only perceptible by weighing them on scale—but only the coins themselves can be weighed. Is it possible to isolate the counterfeit coin with only two weighings?

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Balance puzzle」の詳細全文を読む



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