• 乘法的認識
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  • 7 + 7 + 7 + 7 + 7 = 7 × ________
    5
  • 4 + 4 + 4 + 4 + 4 + 4 = 4 × ________
    6
  • 3個2 = ________ × ________
    2×3
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