Question

50-49+48-47+.......................+20-19+18-17+16-15+.........+6-5+4-3+2-1 what is the strategy used by you? Explain?

Answer 1

Answer:

1.+46

2.+14-13+12-11+10-9+8-7

Answer 2

Answer:

(1)+46

(2)+14-13+12-11+10-9+8-7