1/ Chữ số 2 trong số thập phân 196,724 có giá trị là: 2/ Viết số thích hợp vào chỗ chấm để 2m3 = ……dm3 a. 20 b. 200 c. 2000 d. 20000 3/ Thể tích của một bục gỗ hình lập phương có cạnh 5dm là a. 125 b. 125dm c. 125dm2 d. 125dm3 4/ Số thích hợp điền vào chỗ chấm để được 0,075kg = ......g là: 7,5 b. 0,75 c. 75 d. 750

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