Question

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

Answer 1

=210 k nha

Answer 2

turbo pascal là ra ngay

Answer 3

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20=210 

Nha bn

Answer 4

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

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

= 20+20+20+20+20+20+20+20+20+20

= 20x10

= 200

Answer 5

210 nha