After the "hahaha", I looked for the trap ... and being in my bed thinking (I did not think it 2 hours), I came to mind a vision regarding that mathematical formula, a detail that I had recorded at the beginning, but I also ignored the observed: there is a slight upward shift of the sign "division."
So: 9 - (3/1) / 3 + 1 = 9
After the "hahaha", I looked for the trap ... and being in my bed thinking (I did not think it 2 hours), I came to mind a vision regarding that mathematical formula, a detail that I had recorded at the beginning, but I also ignored the observed: there is a slight upward shift of the sign "division."
So: 9 - (3/1) / 3 + 1 = 9
Answer not correct my friend 😜
Well, would be interesting to know that the answer should be. If you say it's -1, then I'll dispute that.