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

Toán Lớp 4: tui cho 5 sao bằng hay nhất 569 x 45 + 569 x 45 + 569 x 4 + 568 x 6

Toán Lớp 4: tui cho 5 sao bằng hay nhất
569 x 45 + 569 x 45 + 569 x 4 + 568 x 6

Comments ( 2 )

  1. 569 x 45 + 569 x 45 + 569 x 4 + 568 x 6=569*(45+45+4)+568*6
    =569*94+568*6=53486+3408=56894
     

  2. Giải đáp:
    569 × 45 + 569 × 45 + 569 × 4 + 568 × 6
    =569 × (45 + 45 +4) + 568 × 6
    =569 × 94 + 568 × 6
    =53486 + 3408
    =56894
     

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