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

Toán Lớp 5: 21m=-km 11kg=-..tấn 123,5tạ=-…kg 2ha 22m2=-..m2

Toán Lớp 5: 21m=….km 11kg=……tấn
123,5tạ=…….kg 2ha 22m2=……m2
nhanh hộ mik ạk

Comments ( 2 )

  1. 21m=0,021km
    11kg=0,011tấn
    123,5tạ=12350kg
    2ha 22$m^{2}$ =20022m2$m^{2}$

  2. 21m=21:1000=0,021km
    11kg=11:1000=0,011 tấn
    123,5 tạ = 123,5 xx 100=12350kg
    2ha22m^2=20000+22=20022m^2

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