Write meaningful sentences.Use the words/phrases given.

1.Many/people/prefer/live/city/because/they/more opportunity/find/work/there/.

2.It/estimate/population/Ho Chi Minh City/reach/14 million/by/year/2025/.

Write meaningful sentences.Use the words/phrases given.

1.Today/population/Ha Noi/much/big/than/1945/.

2.Air/pollution/some/city/bad/that/people/not/want/go/out/.

3.Lives/people/overcrowded/city/get/more/difficult/they/?

3 ngày 20 giờ + 2 ngày 12 giờ

22 giờ 15 phút - 12 giờ 35 phút

b) Tính nhanh:

25 x 20,23 + 105 x 20,23 - 20,25 x 20,23 - 9,75 x 20,23

5,25 dm³ =....cm³

2 m³ 35 dm³ =....m³

Dien tích hình tròn có chu vi 62,8 là:

A.31,4 cm²     B.62,8 cm²     C.314 cm²    D.125,6 cm²