Lecturer's speech 1
Our training classroom can accommodate more than 40 people, and sometimes there will be fewer people attending the training, only five or six or a
That is to say, this cubic function is monotonous on R.
Lenovo g(x
The four formulas of 5 and 5 are 5+5= 10 and 5-5=0. A figure four formula refers to writing two addition formulas and two subtraction formulas according to 5