In 2009, 20 10, 20 1 1... 1 was scored 3 points respectively.

At least 2 points,

With this picture, it means that 1 minute can be deducted.

Of course, I have to deduct one point I have to say "from the picture", use this picture. ..... at least 1 min;

Of course, fortunately 1 is inseparable. The teacher understood your problem-solving idea, and it was 1.