Mathematics
Mathematics, 29.06.2020 17:01, mjlc2099

1^2-2^2+3^2-4^2+5^2-6^2+7^2-8^2+9^2 -10^2+11^2-12^2+13^2-14^2+15^2-16^2 +17^2-18^2+19^2-20^2+21^2-22^2+23^2 -24^2+25^2-26^2+27^2-28^2+29^2-30^2 +31^2-32^2+33^2-34^2+35^2-36^2+37^2 -38^2+39^2-40^2+41^2-42^2+43^2-44^2 +45^2-46^2+47^2-48^2+49^2-50^2+51^2 -52^2+53^2-54^2+55^2-56^2+57^2-58^2 +59^2-60^2+61^2-62^2+63^2-64^2+65^2 -66^2+67^2-68^2+69^2-70^2+71^2-72^2 +73^2-74^2+75^2-76^2+77^2-78^2+79^2 -80^2+81^2-82^2+83^2-84^2+85^2-86^2 +87^2-88^2+89^2-90^2+91^2-92^2+93^2 -94^2+95^2-96^2+97^2-98^2+99^2-100^ 2 plz provide a step by step (smarter way)

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1^2-2^2+3^2-4^2+5^2-6^2+7^2-8^2+9^2 -10^2+11^2-12^2+13^2-14^2+15^2-16^2 +17^2-18^2+19^2-20^2+21^2-22...

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