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Square Countdown

400 is 20 squared. Count down from there until you reach 1 squared.
Quiz by
Jerry928
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Last updated: February 21, 2019
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First submittedFebruary 21, 2019
Times taken79
Average score77.8%
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x2
400
361
324
289
x2
256
225
196
169
x2
144
121
100
81
x2
64
49
36
25
x2
16
9
4
1
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