Seeing that Su Ye was about to fall asleep, Yu Youwei hurriedly sat down and gave him a one-on-one lesson.

The little girlfriend almost stuck to Su Ye's ear, and said word by word:

"Derivatives are actually something we were exposed to when we were in high school."

"Its algebraic meaning is the limit of the ratio; The geometric meaning is the slope of the tangent; The physical meaning is instantaneous velocity. ”

......

"The confession of the school flower was rejected, and I took away her best friend with my backhand" Chapter 33 Self-taught is hitting in the hand, please wait a moment,

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