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

Toán Lớp 5: 35m54cm==-…m 4,5tấn ==–.kg 4536m===km 49g==–kg

Toán Lớp 5: 35m54cm=……………….m
4,5tấn =…………………kg
4536m=……………………km
49g=………………..kg

Comments ( 2 )

  1. Vì 54cm = 0,54 m
    ⇒35m 54cm = 35 + 0,54 = 35,54m 
    Vì 1000 kg = 1 tấn
    ⇒4,5 tấn = 4,5 × 1000 = 4500 kg
    Vì 1000m = 1km
    ⇒4536m = 4536 ÷ 1000 = 4,536 km
    Vì 1000 g = 1 kg
    ⇒49g = 49 ÷ 1000 = 0,049
     

  2. 35m54cm= 35,54 m
    4,5tấn = 4500 kg
    4536m= 4,536 km
    49g= 0,049 kg

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

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