Ethiopian multiplication: Difference between revisions
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'''Solution''': |
'''Solution''': |
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<lang j>double =: 2&* |
<lang j>double =: 2&* |
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halve =: %&2 NB. or the primitive -: |
halve =: %&2 NB. or the primitive -: |
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even =: 2&| |
even =: 2&| |
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