People seem to forget that it took us tens of thousands of years to develop maths and a couple thousands more to conceptualize zero (and some time more for nega

People seem to forget that it took us tens of thousands of years to develop maths and a couple thousands more to conceptualize zero (and some time more for negative quantities and infinities). So in this light this result is absolutely not surprising. In fact, it’s funny to see that the reason the answers changed is basically “because the school told me so”