How do kindergarten teachers teach children to do math problems, such as 8+7?

God, your answer upstairs is so talented! ~ Kindergarten teachers teach children to do 8+7=? A math problem like this. Isn't it? There are eight ducklings, and here are seven ducklings. How many ducklings are there now? ~ Don't you just click on the duckling drawn in the textbook? When we were young, we were in kindergarten. Isn't that what the teacher taught us?

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