12*8=(11+1)*8=88+8=96 111112*8 = 111111*8+8=888896 | Hacker News

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mathiium on Feb 23, 2017 | parent | context | favorite | on: Tips to Improve Your Mental Math Ability

128=(11+1)8=88+8=96

1111128 = 1111118+8=888896

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