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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: 408m. Km 45kg39g. Kg 3

Toán Lớp 5: 408m. Km
45kg39g. Kg
3

Comments ( 2 )

  1. 408m = 0,408 km
    (1000m=1km⇒408m=0,408km)
    45kg39g = 45,039 kg
    (1000g=1kg⇒39g=0,039kg⇒45kg39g = 45,039 kg)

  2. 408m = 0,408km
    45kg 39g = 45,039kg
     

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222-9+11+12:2*14+14 = ? ( )

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