alexiayuile alexiayuile
  • 05-03-2020
  • Mathematics
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Find the sum of the integers from 1 to 99 (inclusive).
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Аноним Аноним
  • 05-03-2020
1+99=100
2+98=100
...
48+52=100
49+51=100

49x100=4900
4900+50=4950
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