độ dài sợi dây = chu vi

vậy độ dài sợi dây là 

6 x 3,14=18,84 dm

đs:18,84 dm

Câu hỏi là tìm y mà sao chủ đề là tìm x

Give the correct from or tense of the verds in the

1.Every my mother (watch).....watches.....television.

2.We(not/read)....don't read.....books after lunch.

3.(your students/play).....Do your play........ soccer every afternoon?

4.Where (your children/be)....are your children.......?

5.What(you/do)....are you doing....now?

6.(unload).....unloading.....the vegetables.

tick cho mk nha bn

Finish the second setence in such a way that is similar to the original:

1.What about going to Dam Sen park?

=>Why don't we go to Dam Sen park?

tick cho mk nha

3x+4y-xy=16

=>(3+4).xy-xy=16

(3+4)-xy=16

7-xy=16

xy=7-16

xy=-9

đúng thì cho mình một tích nha bạn

6kg=6000g

1500m=1,5km

800g=0,8kg

7km=7000m

5l=500ml

YES,TEACHER PHYNIT.