A netizen shared a child's math homework "What is 5+7?", and the teacher circled it with a red pen and asked to list the formula, which made the original PO feel puzzled.

(The picture is taken from "Breaking News Commune")

[Instant News/Comprehensive Report] Recently, a netizen shared a photo of a child's homework. The content was a primary school math problem. One of the items was "What is 5+7?" The child calculated the answer with his fingers and wrote 12 The standard answer, the result was circled by the teacher with a red pen and asked to list the formula.

The original PO was very puzzled, "What algorithm is there besides fingers?" As soon as the post came out, many netizens discussed it.

The original PO posted in the Facebook group "Explosive Commune No. 2 Hall" that he saw a child's math homework a few days ago, "What is 5+7?" In addition to writing the correct answer, he also had to write the calculation process. The child answered the question Completed, and wrote "I use my fingers (calculated)", but the teacher circled it with a red pen, and it needs to be marked on the side to list the complete calculation.

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After the post was exposed, more than 1,500 people liked it, causing many netizens to discuss, "Bring another hand to count", "Take out a computer", "You can also count with your toes", "Look at the next door to count", "Take the whole village Please come out and line up with cats", "You can use your hair if you have too many numbers", "It's so cute and honest", "Didn't you use a few apples to calculate before?".

A netizen who is also a parent replied that the calculation formula required by the teacher should refer to the same as the homework example, first split 7 into 5 and 2, and then add all the numbers to become "5+5+2=12", "To Get to the decimal first and then calculate", "My daughter's teacher asked the child to take it apart and calculate", "The question should tell which method to use for calculation, if this unit teaches straight formulas, use straight comparisons Well, if you’re not sure, write both vertically and horizontally.”