What pen should be used to write the math problems in the senior high school entrance examination in Hebei Province? Is the big question online marking or traditional marking?

Generally speaking, when marking papers online, draw the math drawing questions with 2B pencil first, and then use 0.5mm black neutral strokes again, so as to keep the drawing traces. (Because pencil drawings can't clearly show traces when scanned by computer)

Judging from the current situation, many local senior high school entrance examinations are marked online, that is, multiple-choice questions are marked by machines, and non-multiple-choice questions are marked online by teachers.

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A math problem in the fifth grade of primary school. Look at the column calculation. Solve.

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Solve a math problem of trigonometric function in high school, which is urgent online.

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What about Liu Hanqing, who was admitted to Harbin Institute of Technology 39 years ago and was forced to drop out of school because of his obsession with mathematics?

Thank you, but I have hardly listened to math classes since I started junior high school. It can be said that junior high school mathematics is not at all. Seeing math problems makes me dizzy. What sh

Stunned by a primary school math problem! ! !