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

Toán Lớp 6: 6,5kmb=–..m==…dm

Toán Lớp 6: 6,5kmb=……….m=……………dm

Comments ( 2 )

  1. $1km$ gấp $1000m$ và $1m$ gấp $10dm$
    $\Rightarrow$ $6,5km=6,5$ x $1000=6500m=6500$ x $10=65000dm$
    @Nobitao@

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