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

Toán Lớp 5: 16 dam2 10m2=-..m2 56m2 76dam2=-…m2 187dm2=-m2 8970m2=-.ha 15ha 214m2=-..ha 47m2 5dm2=–m2

Toán Lớp 5: 16 dam2 10m2=……m2
56m2 76dam2=…….m2
187dm2=….m2
8970m2=…..ha
15ha 214m2=……ha
47m2 5dm2=……..m2

Comments ( 2 )

  1. 16 dam2 10m2= 1610m2
    56m2 76dam2= 7656m2
    187dm2= 1,87m2
    8970m2= 0,897ha
    15ha 214m2= 15,0214ha
    47m2 5dm2= 47,05m2
    Chúc bạn học tốt

  2. 16dam^2 10m^2 = 16 × 100 + 10 = 1600 + 10 = 1610m^2
    56m^2 76dam^2 = 76 × 100 + 56 = 7600 + 56 = 7656m^2
    187dm^2 = 187 : 100 = 1,87m^2
    8970m^2 = 8970 : 10000 = 0,897ha
    15 ha 214m^2 = 15 + 214 : 10000 = 15 + 0,0214 = 15,0214ha
    47m^2 5dm^2 = 47 + 5 : 100 = 47 + 0,05 = 47,05m^2
    #dtkc
     

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