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

Toán Lớp 4: nhân số voi 3 chữ số. Đặt roi tính 420×420= 957×957= 680×680= 806×806= 264×264= 426×426= 879×879= 897×897= 789×789= 798×798= 860×860=

Toán Lớp 4: nhân số voi 3 chữ số. Đặt roi tính
420×420=
957×957=
680×680=
806×806=
264×264=
426×426=
879×879=
897×897=
789×789=
798×798=
860×860=

Comments ( 2 )

  1. Giải đáp:
    420×420=176.400
    957×957=915.849
    680×680=462.400
    806×806=649.636
    264×264=69.696
    426×426=181.476
    879×879=772.641 
    897×897=804.609
    789×789=622.521
    798×798=636.804
    860×860=739.600
     

  2. 420????420=176400

    957????957=915849

    680????680=462400

    806????806=649636

    264????264=69696

    426????426=181476

    879????879=772641 

    897????897=804609

    789????789=622521

    798????798=636804

    860????860=739600

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

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