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

Toán Lớp 5: b) 60 000m2 = … ha 1800ha = … km2 800 000m2 = … ha 27000ha

Toán Lớp 5: b) 60 000m2 = … ha 1800ha = … km2
800 000m2 = … ha 27000ha = … km2

Comments ( 2 )

  1. 60000m^2=6ha
    1800ha=18km^2
    800000m^2=80ha
    27000ha=270km^2
     

  2. b. 60 000 $m^{2}$ = 6 ha
    800 000 $m^{2}$ = 80 ha
    1800 ha = 18 $km^{2}$
    27 000 ha = 270 $km^{2}$

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

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