已知丨x丨=9,丨y丨=8,求x-y的值 计算:-2/3+11/12-1/4-5/6已知丨x丨=9,丨y丨=8,求x-y的值计算:-2/3+11/12-1/4-5/6一辆货车从超市出发,向东走了3km到A点,继续走2.5km到B点,然后向西走了10km到C点,最后回到超
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![已知丨x丨=9,丨y丨=8,求x-y的值 计算:-2/3+11/12-1/4-5/6已知丨x丨=9,丨y丨=8,求x-y的值计算:-2/3+11/12-1/4-5/6一辆货车从超市出发,向东走了3km到A点,继续走2.5km到B点,然后向西走了10km到C点,最后回到超](/uploads/image/z/12381888-48-8.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%A8x%E4%B8%A8%3D9%2C%E4%B8%A8y%E4%B8%A8%3D8%2C%E6%B1%82x-y%E7%9A%84%E5%80%BC+%E8%AE%A1%E7%AE%97%EF%BC%9A-2%2F3%2B11%2F12-1%2F4-5%2F6%E5%B7%B2%E7%9F%A5%E4%B8%A8x%E4%B8%A8%3D9%2C%E4%B8%A8y%E4%B8%A8%3D8%2C%E6%B1%82x-y%E7%9A%84%E5%80%BC%E8%AE%A1%E7%AE%97%EF%BC%9A-2%2F3%2B11%2F12-1%2F4-5%2F6%E4%B8%80%E8%BE%86%E8%B4%A7%E8%BD%A6%E4%BB%8E%E8%B6%85%E5%B8%82%E5%87%BA%E5%8F%91%2C%E5%90%91%E4%B8%9C%E8%B5%B0%E4%BA%863km%E5%88%B0A%E7%82%B9%2C%E7%BB%A7%E7%BB%AD%E8%B5%B02.5km%E5%88%B0B%E7%82%B9%2C%E7%84%B6%E5%90%8E%E5%90%91%E8%A5%BF%E8%B5%B0%E4%BA%8610km%E5%88%B0C%E7%82%B9%2C%E6%9C%80%E5%90%8E%E5%9B%9E%E5%88%B0%E8%B6%85)
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