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

Toán Lớp 5: 400dm²=. m A400m². B40 m². C.4m2. d.1m²

Toán Lớp 5: 400dm²=. m
A400m². B40 m². C.4m2. d.1m²

Comments ( 2 )

  1. 400dm²=    m

    C, 4m²

    Vì 100dm² = 1m²

     

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

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