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

Toán Lớp 5: 5,2dm2 = ===–.cm2 520 m2 = ===–.dam2 112 m234cm2 = –

Toán Lớp 5: 5,2dm2 = ………………………………………cm2
520 m2 = ………………………………………dam2
112 m234cm2 = ……………………………………m2
3ha35m2= ………………………………ha
2m34cm = ……………………..dm

Comments ( 2 )

  1. Giải đáp:
     5,2 dm²=520cm²
    520m²=5,2dam²
    2m34cm=23,4dm
    2 câu còn lại mik ko biết làm nha
     

  2. 5,2 dm^2 = 520 cm^2
    520 m^2 = 5,2 dam^2
    112 m^2 23cm^2 = 112,0034 m^2
    3 ha 35m^2 = 3,0035 ha
    2m 34 cm = 23,4dm

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

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