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Tong fen mu jian fa

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matematik (pecahan)

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Tong fen mu jian fa

  1. 1.  9 2 5 9 5 7
  2. 2. 步骤1:把整数和分数分开相减 起来 步骤2:先把整数相减, 过后分子相减 步骤3:答案要最简分数
  3. 3.  9 2 5 9 5 7 3 1 2 9 3 2 9 3 2 9 2 9 5 )57(  

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