Square Countdown

400 is 20 squared. Count down from there until you reach 1 squared.

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Last updated: February 21, 2019

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First submitted	February 21, 2019
Times taken	27
Average score	77.8%
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1:30

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x²

400

361

324

289

x²

256

225

196

169

x²

144

121

100

x²

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