a)2% của 2000 là:

          2000x2% hoặc 2000x2:100=40

b)54% của 200 là: 

          200x54% hoặc 200x54:100=108

                              Đáp số:a)40

                                         b)108

2% cua 2000 la:

2000:100*2=40

54%cua 200 la:

200:100*54=108

d/s : 40

       108

 a :  40

b : 108 

1000 và 3,703

a) 240m3

b)343m3

2 chứ số 0

1 I gave my assignment to the faculty secretary . She wasn't very friendly.

➜I gave my assignment to the faculty secretary, who wasn't very friendly

2.English has become a global language I am going to major in it .

➜I am going to major in English, which has become a global language