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

Toán Lớp 4: 90000000 m2= km2? 24507hm2= km2 hm2

Toán Lớp 4: 90000000 m2= km2?
24507hm2= km2 hm2

Comments ( 2 )

  1. 90000000 m^2= 90 km^2
    24507hm^2 = 245km^2 7 hm^2
     

  2. Giải đáp:
    90000000m^2=90km^2 
    24507hm^2=245km^27hm^2
    Lời giải và giải thích chi tiết:
    90000000m^2=90000000:1000000=90km^2
    24507=24500+7=245km^27hm^2
     

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