`39` `×` `92` `=` `3588`

`82` `×` `92` `=` `7544`

`29` `×` `34` `=` `986`

`92` `×` `92` `=` `8464`

   39

× 92

______

   72

351

______

3582

VẬY 39 × 92 = 3582

   82

× 92

______

 164

738

______

7544

VẬY 82 × 92 = 7544

   29

× 34

______

 116

 87

______

 986

VẬY 29 × 34 = 986

    92

 × 92

 ______

  184

828

______

8464

VẬY 92 × 92 = 8464

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