True, A laptop costs 800 000 dong. A mouse is 50 000 dong. Total is 850 000 dong., Video A has 400 000 views. Video B has 200 000 views more. Video B has 600 000 views., A bird flies at 2 000m. A plane flies 8 000m higher. The plane is at 10 000m., 100 000 more than 700 000 is 800 000., Mom has 500 000 dong. She can buy a bicycle for 450 000 dong., False, A phone is 900 000 dong. A case is 30 000 dong. Total is 900 030 dong., Song A has 300 000 likes. Song B has 50 000 more. Song B has 305 000 likes., 50 000 more than 400 000 is 900 000., Dad has 300 000 dong. He can buy a printer for 350 000 dong., A car travels 5 000m. A train travels 5 000m more. Total is 5 000m.

unit 13.3

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