()²-()²+()²=2001 ()²-()²+()²=51
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()²-()²+()²=2001 ()²-()²+()²=51
()²-()²+()²=2001 ()²-()²+()²=51
()²-()²+()²=2001 ()²-()²+()²=51
(501)²-(499)²+(1)²=2001
(13.5)²-(11.5)²+(1)²=51
()²-()²+()²=2001 ()²-()²+()²=51
()²-()²+()²=2001 ()²-()²+()²=51
()²-()²+()²=2001 ()²-()²+()²=51
(501)²-(499)²+(1)²=2001
(13.5)²-(11.5)²+(1)²=51