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Mathematics in the mirror
Hello! It may be 2 o'clock or 14 o'clock.

The solution is to subtract the time in the mirror from 12, which is the actual time. This time may be morning or afternoon.

The image in the plane mirror is formed by the intersection of the extension lines of the reflected light, so the image in the plane mirror is a virtual image. The size and distance of the virtual image are equal to the object. The image is the same size as the object. So images and objects are symmetrical to the mirror.