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

Toán Lớp 5: 2 dam2 90m2 = -… m2 15 hm2 = –.dam2 17 dam2 5m2 = -… m2 500m2 = –dam2 20 hm2 34 dam2 = -dam2 7000 dam2 = …

Toán Lớp 5: 2 dam2 90m2 = ……. m2
15 hm2 = ………dam2
17 dam2 5m2 = ……. m2
500m2 = ……..dam2
20 hm2 34 dam2 = ….dam2
7000 dam2 = …..hm2
892m2 = ……dam2……m2

Comments ( 2 )

  1. #wcdi
    Answer
    2 dam² 90 m² = 200 + 90 = 290 m²
    15 hm² = 15 xx 100 = 1500 dam²
    17 dam² 5 m² = 1700 + 5 = 1705 m²
    500 m² = 500 : 100 = 5 dam²
    20 hm² 34 dam² = 2000 + 34 = 2034 dam²
    7000 dam² = 7000 : 100 = 70 hm²
    892 m² = 8 dam² 92 m²
     

  2. 2dam^2 90 m^2 = 200+90=290m^2
    15hm^2=15xx100=100m^2
    17dam^2 5m^2=1700+5=1705m^2
    500m^2 = 500:100=5dam^2
    20hm^2 34 dam^2 = 20xx100+34=2034dam^2
    7000dam^2=7000:100=70hm^2
    892m^2 = 892xx100=8dam^2 92m^2
     

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