mthmatics mthmatics
  • 08-06-2021
  • Mathematics
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Please help I will mark brainlest

Find the sum of 1+2+3+4...19



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Melody08
Melody08 Melody08
  • 08-06-2021

Answer:

190

Step-by-step explanation:

1+2+3+4......19=210-20

=190

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