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

Toán Lớp 5: 5mm = m ; 2m3mm = m ; 4dm 4mm = dm ; 3561 = km ; 9m= km .

Toán Lớp 5: 5mm = m ; 2m3mm = m ; 4dm 4mm = dm ; 3561 = km ; 9m= km .

Comments ( 2 )

  1. Giải đáp:
    $5$ $mm$ $=$ $0,005m$ 
    $2m3mm$ $=$ $2,003 m$ 
    $4mm$ $=$ $0,04 dm $
    $3561$ m $=$ $3,561 km$ $(sửa$ $đề )$
    $9m$ $=$ $0,009km$     
     

  2. Giải đáp: 5mm = 0,005 m
                ; 2m3mm = 2,003 m ;
                 4dm 4mm = 4,04 dm ;
                 3561m = 3,561  km ;
                 9m= 0,009 km .
     
     

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

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