Question

1 2 3 4 5 6 7 8 9=99 поставить где нужно знаки + или -

Answer 1

12+3-4-5+6+78+9 например так.

Answer 2

12+3-4-5+6+78+9=99 другого способа нет

Answer 3

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

To get the sum of these numbers, you simply add them up: 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45.

There is no need to add any plus or minus signs in this equation because all the numbers are being added together.