tell the name of some interesting places in viet nam

which places do you want go to ? why ?

which festival did you take part in recently?

when does tet occur ?

what do you prepare for tet ?

what kinds of flowers do you buy ?

what do you often do on tet holiday ?

what do the children often receive on tet ?

binh thong nhau co hai nhanh s hinh tru co tiet dien lan luot la s₁ s₂ chua nuoc nhu hinh ve . tren mat go co dat cac bittong mong khoi luong tuong ung m₁ m₂ muc cuoc trong hai nhanh chenh lech nhau 10cm. tinh khoi luong qua can m de dat len pittong lon sao cho 2 nhanh ngang nhau.cho khoi luong rieng cua nuoc la 1000.s₁ 200cm s₂ 100cm va bo qua ap suat khi quyen

ve bieu do the hien luong mua va luu luong ( bang 35.1) va nhan xet

(bang nao cx dc)

mot vat hinh lap phuong co canh la 20 cm tha vao trong nuoc . TLR cua nc la 10000. vat noi tren mat nuoc la 5cm.

a) tim KLR va KL cua vat

b) neu do dau co TLR la 8000 sao cho ngap hoan toan thi phan the tich vat chim trong dau la bao nhieu cm

mot khoi go hinh lap phuong cs canh 10cm noi trong nc

a) tinh chieu cao phan khoi go noi trong nuoc , bt trong luong cua go la 4000 cua nuoc la 10000

b) dat tren mieng go 1 mieng mong (kl 100g) thi thay khoi go van lo trong nc tinh chieu cao bi chim