(-1/3+1/4-1/5)÷(-1/60)计算
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(-1/3+1/4-1/5)÷(-1/60)计算
![(-1/3+1/4-1/5)÷(-1/60)计算](/uploads/image/z/8281654-70-4.jpg?t=%28-1%2F3%2B1%2F4-1%2F5%29%C3%B7%28-1%2F60%29%E8%AE%A1%E7%AE%97)
(-1/3+1/4-1/5)÷(-1/60)
=( - 4/12 + 3/23 - 1/5 ) / ( -1/60)
= (- 5/60 - 12/60) / ( -1/60)
= 17
=( - 4/12 + 3/23 - 1/5 ) / ( -1/60)
= (- 5/60 - 12/60) / ( -1/60)
= 17