Có một cái cân đồng hồ đã cũ và ko còn chích xác.làm thế nào có thể cân chích xác khối lượng của một vật ,nếu cho phép dùng thêm một hộp quả cân?

Các câu hỏi liên quan

1. “Do you enjoy reading?” Phong asked Peter ….……………………………………………………………………………. 2. “Does she like sports?” Hoa asked Lan …..……………………………………………………………………………. 3. “Do your sister and brother go to the same school?” She asked Nam……………………………………………………………………………………………………………. 4. “Are there some oranges in the fridge?” She asked her mom……………………………………….…………………………………………………………………… 5. “Will it rain tomorrow morning?” He asked his friend …………………………………………..………………………………………………………………… 6. “Did you go to Hue three years ago?” Tam asked Peter ………………………………………..…………………………………………………………………… 7. “Are Tam and Hoa late for class?” Tuan asked Lan ……………………………………………………………………………………………………………… 8. She said to me “Can you speak Chinese?” She asked……………………………………..……………………………………………………………………… 9. “Will she be here for five days?” Tam asked Thu …………………………………………………..………………………………………………………… 10. “Were you reading this book at 8 o’clock last Sunday?” She asked Ba…………………………………………………………….………………………………………………