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How to divide the math calculation errors in primary schools?
Deduct 3 points for calculation errors in the first step, and 2 points for calculation errors in the last step (incorrect answer 1 point).

The application problem is like this. The wrong formula shows that there is no problem with students' basic thinking, giving 2 points; If the calculation is wrong in the first step, it means that the calculation is completely wrong, and 3 points will be deducted (the answer will be deducted 1 point); The calculation error in the previous step shows that most of the calculations are correct, but the results are wrong, so 1 point will be deducted. If the answer is also wrong, 1 point will be deducted, and * * * 2 points will be deducted. (If the answer is definitely wrong, deduct 1 point)

Generally, if the answer to the pure calculation question is wrong, you will not be given points.