计算:(-1/30)/(2/3-1/10+1/6-2/5)

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计算:(-1/30)/(2/3-1/10+1/6-2/5)计算:(-1/30)/(2/3-1/10+1/6-2/5)计算:(-1/30)/(2/3-1/10+1/6-2/5)(-1/30)/(2/3-

计算:(-1/30)/(2/3-1/10+1/6-2/5)
计算:(-1/30)/(2/3-1/10+1/6-2/5)

计算:(-1/30)/(2/3-1/10+1/6-2/5)
(-1/30)/(2/3-1/10+1/6-2/5)
=1/30÷(1/10-2/3-1/6+2/5)
=1/30÷(-1/3)
=-1/10

-1/10