Question

tính nhanh:

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+0

Answer 1

=190 nha

Answer 2

=190 nhaaaaaaaaa

Answer 3

=190 nha

Answer 4

=190 nha

Answer 5

\(1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+0=190\)

Answer 6

(19+1)+(18+2)+(17+3)+(16+4)+(15+5)+(14+6)+(13+7)+(12+8)+(11+9)+10=190

k mk nha!

Answer 7

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 0

= ( 1 + 19 ) + ( 2  + 18 ) + ( 3 + 17 ) +(4 + 16 ) + ( 5 + 15 ) + ( 6 + 14 ) + ( 7 + 13 ) + ( 8 + 12 ) + ( 9 + 11 ) + ( 10 + 10 ) + 0

= 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 0

= 20 x 10 + 0

= 200 + 0

= 200

Answer 8

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+0=190

nha bạn 

Hazy Moon

Answer 9

=1260

kich nha. mik bít là bn sẽ ko mún k  mik nhưng cứ k đi,mik cần điểm gấp lắm

Answer 10

= 190 nha bạn!

Answer 11

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

= 10+ 10+ 10+ 10+ 20+ 20+ 20+ 20+ 20+ 16+ 17+ 18+ 19

= 40 + 80 + 70

= 190

Answer 12

=190 bạn ạ