一道6年级的思考题 要算式元旦联欢会上,五年级与四年级共卖气球200个,联欢会后,两个年级剩下的气球数量相等.已知五年级用去气球的个数与原有气球个数的比是5:7,四年级用去气球的个数与
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![一道6年级的思考题 要算式元旦联欢会上,五年级与四年级共卖气球200个,联欢会后,两个年级剩下的气球数量相等.已知五年级用去气球的个数与原有气球个数的比是5:7,四年级用去气球的个数与](/uploads/image/z/11589977-65-7.jpg?t=%E4%B8%80%E9%81%936%E5%B9%B4%E7%BA%A7%E7%9A%84%E6%80%9D%E8%80%83%E9%A2%98+%E8%A6%81%E7%AE%97%E5%BC%8F%E5%85%83%E6%97%A6%E8%81%94%E6%AC%A2%E4%BC%9A%E4%B8%8A%2C%E4%BA%94%E5%B9%B4%E7%BA%A7%E4%B8%8E%E5%9B%9B%E5%B9%B4%E7%BA%A7%E5%85%B1%E5%8D%96%E6%B0%94%E7%90%83200%E4%B8%AA%2C%E8%81%94%E6%AC%A2%E4%BC%9A%E5%90%8E%2C%E4%B8%A4%E4%B8%AA%E5%B9%B4%E7%BA%A7%E5%89%A9%E4%B8%8B%E7%9A%84%E6%B0%94%E7%90%83%E6%95%B0%E9%87%8F%E7%9B%B8%E7%AD%89.%E5%B7%B2%E7%9F%A5%E4%BA%94%E5%B9%B4%E7%BA%A7%E7%94%A8%E5%8E%BB%E6%B0%94%E7%90%83%E7%9A%84%E4%B8%AA%E6%95%B0%E4%B8%8E%E5%8E%9F%E6%9C%89%E6%B0%94%E7%90%83%E4%B8%AA%E6%95%B0%E7%9A%84%E6%AF%94%E6%98%AF5%3A7%2C%E5%9B%9B%E5%B9%B4%E7%BA%A7%E7%94%A8%E5%8E%BB%E6%B0%94%E7%90%83%E7%9A%84%E4%B8%AA%E6%95%B0%E4%B8%8E)
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