2x=-27-15

2x=-42

x=-21

1m = 100cm và 1dm = 10cm nên ta có:

10,4dm = 10,4 * 10cm = 104cm

12,6m = 12,6 * 100cm = 1260cm

0,856m = 0,856 * 100cm = 85,6cm

5,75dm = 5,75 * 10cm = 57,5cm

tham khảo

King Quang Trung again emphasized the Nom script because:

Nom script is a script created by our people on the basis of reference to Chinese characters. Therefore, the Nom script is imbued with Vietnamese cultural identity. Affirming that Vietnam is an independent country with its own territory, writing, and language.

B