Math, asked by sahuaniket992, 9 months ago

find the value of 0-1+2-3+4-5+6-7+8-9+10-11+12+13-14-15+16-17+18-19+20

Answers

Answered by kritikamehta122

6

Answer:

(0+2+4+.......+20)-(1+3+5+.......+19)

=[11(0+20)]/2-[10(1+19)]/2

=(11×20)/2-(10×20)/2

=110-100

=10

Answered by abdulwahidansari2007

0

Answer:

10

Step-by-step explanation:

I hope you understand

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