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

Toán Lớp 5: 48dm² =cm² 6500cm²=dm² 36m²=dm² 5900dm²=m²=dm²

Toán Lớp 5: 48dm² =cm²
6500cm²=dm²
36m²=dm²
5900dm²=m²=dm²

Comments ( 2 )

  1. 48 $dm^{2}$ = 4800 $cm^{2}$ 
    6500 $cm^{2}$ = 65 $dm^{2}$ 
    36 $m^{2}$ = 3600 $dm^{2}$ 
    5900 $dm^{2}$ = 59 $m^{2}$ = 5900 $dm^{2}$ 
    —–
    +) $1m^{2}$ = $10000cm^{2}$ 
    +) $1m^{2}$ = $100dm^{2}$ 
    +) $1dm^{2}$ = $100cm^{2}$ 
    $\text{Hoặc ngược lại.}$
    $\text{@mamthemmuoi}$
     

  2. 48dm² = 4800 cm²
    6500cm²= 65 dm²
    36m²= 3600 dm²
    5900dm²= 59 m²= 5900 dm² 

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

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