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

Toán Lớp 3: 7 x 35 = ? cứu==–

Toán Lớp 3: 7 x 35 = ? cứu…………………………..

Comments ( 2 )

  1. 7 × 35
    =7 × 7 × 5
    =49 × 5
    =245
    Vậy 7 × 35 = 245

  2. 7.35=7.(30+5)=7.30+7.5=210+35=245
     

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