Daily Archives: May 24, 2018

DAY 145:

The Main Challenge Lagrange’s Four-Square Theorem states that every integer can be made by adding up to four square numbers. For example, 7 can be made by 2²+1²+1²+1² (4+1+1+1). Show how you can make 31 when using Lagrange’s Theorem in TWO different ways. … Continue reading

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