• 小二加減應用題
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  • 文具店今天售出65枝原子筆,而售出的鉛筆比售出的原子筆少9枝。文具店今天售出鉛筆多少枝?
    65-9
  • 請列式。
    44+36
  • 請列式。
    72-28
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