3 ms·-0.0 + x = x, even if x should be -0.0 or +0.0. +0.0 + x, on the other hand, is not always equal to x.by Sesse__ 4y ago-0.0 + x = x, even if x should be -0.0 or +0.0. +0.0 + x, on the other hand, is not always equal to x.