(-1)+(-1/2)+3/4+(-1/4)解 特别详细的,每一步都要写出来.
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![(-1)+(-1/2)+3/4+(-1/4)解 特别详细的,每一步都要写出来.](/uploads/image/z/14650630-70-0.jpg?t=%28-1%29%2B%28-1%2F2%29%2B3%2F4%2B%28-1%2F4%EF%BC%89%E8%A7%A3+%E7%89%B9%E5%88%AB%E8%AF%A6%E7%BB%86%E7%9A%84%2C%E6%AF%8F%E4%B8%80%E6%AD%A5%E9%83%BD%E8%A6%81%E5%86%99%E5%87%BA%E6%9D%A5.)
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(-1)+(-1/2)+3/4+(-1/4)解 特别详细的,每一步都要写出来.
(-1)+(-1/2)+3/4+(-1/4)解 特别详细的,每一步都要写出来.
(-1)+(-1/2)+3/4+(-1/4)解 特别详细的,每一步都要写出来.
(-1)+(-1/2)+3/4+(-1/4)
=-1-1/2+(3/4-1/4
=-1-1/2+1/2
=-1