Question

1+2+3+4+5+6+7+8+9=

ai nhanh mình tick cho

Answer 1

\(1+2+3+4+5+6+7+8+9\)\(=45\)

Answer 2

1+2+3+4+5+6+7+8+9=45.
tớ nhanh k nha.

Answer 3

1 + 2 + 3 + 4 + 5 + 6 + 7 +8 + 9 =  45 

bạn ạ , nhớ k cho mình nhé !

Answer 4

1 + 2 +3 + 4 + 5+ 6+ 7+ 8+ 9= 45

Answer 5

1+2+3+4+5+6+7+8+9=45

Answer 6

1+2+3+4+5+6+7+8+9=45

Answer 7

1+2+3+4+5+6+7+8+9=(1+9) +(2+8) +(3+7) +(4+6) +5

=10+10+10+10+5

=20+20+5

=40+5

=45 nha bn

Answer 8

1+2+3+4+5+6+7+8+9 

= 45

Nhoa bn

Answer 9

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9

= 45 

Answer 10

Kết quả là : 45 

Answer 11

1+2+3+4+5+6+7+8+9

=(9+1)+(8+2)+(7+3)+(6+4)+5

=10+10+10+10+5

=20+10+10+5

=30+10+5

=40+5

=45

Answer 12

45 nha!

Answer 13

1+2+3+4+5+6+7+8+9

=(1+9)+(2+8)+(3+7)+(4+6)+5

=10+10+10+10+5

=20+20+5

=40+5

=45

Answer 14

bằng 45

Answer 15

45

nha

Answer 16

1+2+3+4+5+6+7+8+9

=(1+9)+(2+8)+(3+7)+(4+6)+5

=10+10+10+10+5

=40+5

=45