Wen Tang was curious: "Math notes?" ”

"Well, the junior high school math teacher can use it, and it also has some high school math knowledge points mixed in."

Wen Tang sighed.

The car fell silent again.

It was Si Yelin who broke the calm first, "Huimin junior high school is still studying......

Chapter 875 of "The Voices of the People" has grown up and is hitting in the hand, please wait a while,

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