15 nha đúng 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
Bạn ơi sao dễ quá vậy. Bằng 15 đó.
Nhớ k cho mình nhé!
0+0+0+0+1+2+3+4+5
=0+1+2+3+4+5
=0+15
=15
0+0+0+0+1+2+3+4+5
=0+1+2+3+4+5
=1+2+3+4+5
=3+3+4+5
=6+4+5
=10+5
=15
0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 5
= 0 + 1 + 2 + 3 + 4 + 5
= 15
0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 5
= 0 + 15
= 15 nha
hok tốt
0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 5
= 0 + 3 + 7 + 5
= 3 + 7 + 5
= 15