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

Toán Lớp 5: 12,44m=…m…cm ; 7,4dm=…dm…cm ; 3,45km=…m ;34,3km=…m

Toán Lớp 5: 12,44m=…m…cm ; 7,4dm=…dm…cm ; 3,45km=…m ;34,3km=…m

Comments ( 2 )

  1. Giải đáp:
     12,44m=12m44cm
    7,4dm=7dm4cm
    3,45km=3405m
    34,3km=34003m
     

  2. 12,44m=12 m 44 cm
    7,4dm= 7 dm 4 cm
    3,45km=3450 m
    34,3km=34300m

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