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

Toán Lớp 4: 10000000000km==…mm

Toán Lớp 4: 10000000000km=……………mm

Comments ( 2 )

  1. 1km = 1 × 1000000 = 1000000mm
    => 10000000000km = 10000000000 × 1000000 = 10000000000000000mm
    #dtkc
     

  2. 10 000 000 000 km = .. m
    10 000 000 000 km = 10 000 000 000 000 000 mm
    VÌ 1 km = 1 000 000 mm
     

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