= 400 + 120 + 9 =
т.к = 529; 2ab = 120; *2*20*3* = 529
= 1600 + 80 + 1 =
т.к = 1681; 2ab = 80; *2*40*1* = 1681
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= 400 + 120 + 9 =
т.к = 529; 2ab = 120; *2*20*3* = 529
= 1600 + 80 + 1 =
т.к = 1681; 2ab = 80; *2*40*1* = 1681