Math, asked by ankithanaidu2008, 10 months ago

find the value of 1-2+3-4+5-6+7-8+9 .. . . . . . .. . .+29-30

Answers

Answered by priya9347

0

Step-by-step explanation:

10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28

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