-99又1/3-{-72又5/6-(25.75-3又1/2}计算题
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![-99又1/3-{-72又5/6-(25.75-3又1/2}计算题](/uploads/image/z/1766970-18-0.jpg?t=-99%E5%8F%881%2F3-%EF%BD%9B-72%E5%8F%885%2F6-%EF%BC%8825.75-3%E5%8F%881%2F2%EF%BD%9D%E8%AE%A1%E7%AE%97%E9%A2%98)
-99又1/3-{-72又5/6-(25.75-3又1/2}计算题
-99又1/3-{-72又5/6-(25.75-3又1/2}
计算题
-99又1/3-{-72又5/6-(25.75-3又1/2}计算题
-99又1/3-{-72又5/6-(25.75-3又1/2}
=-(99+1/3)-{-(72+5/6)-[25.75-(3+1/2)]}
=-99-1/3+(72+5/6)+(25.75-3-0.5)
=-99-1/3+72+5/6+22.25
=(-99+72)+(5/6-1/3)+22.25
=-27+0.5+22.25
=-4.25