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Nerdle game
Find the hidden calculation in six tries using numbers 0 to 9, operations + – × ÷ and =.
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Mathle game
Use numbers 0 to 9 along with + and – only to solve an equation already containing a fixed = sign.
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Mathler
Find a calculation that equals a certain number in six tries. Contains modes for varying difficulty.
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Primel
Find a five-digit prime number in six tries using numbers only without any mathematical operations.