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P.4乘法一

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  • 39 x 17
    663
  • 13 x 27 = ?
    260
  • 53 x 25
    1325
  • 12 x 23
    276
  • 44 x 35
  • 18 x 34
    612
  • 42 x 36 = ?
    1512
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