mik ko cs dấu thuộc và ko thuộc nên bn cố nhìn nhé

a ) 2 thuộc P

b) 47 thuộc P

c)a=965, A ko thuộc P

d)a=606, A tko thuộc P

bn nói đúng bài kiểm tra thì ko nên gửi 

1.I'm pretty good at math.

2.My teacher is a very friendly and sociable person.

3.I learned from math how to calculate quickly, how to think, to think and ingenuity.

4.At first, it was very difficult to learn but by doing more advanced math, I feel it is quite simple.

5.because it helps students know how to think and make them smarter.