Math, asked by sobhanababusree007, 9 months ago

1+ 2+3....…...+20 ?

Answers

Answered by Anonymous

2

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

= 210

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