Question

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

Answer 1

1+2+3+4+5+6+7+8+9=45 dễ vậy thôi sao

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d dễ

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Answer 2

45 k cho mk nha

Answer 3

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

Answer 4

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

Answer 5

1 + 2 +3 +4 +5+7 +8 + 9= 39

Answer 6

1+2+3+4+5+7+8+9=39

nhớ k cho mình nhé

Answer 7

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

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

=10+10+10+9

39

Answer 8

1 + 2 + 3 + ... + 9 = 45