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计算:(-1/30)/(2/3-1/10+1/6-2/5)
人气:326 ℃ 时间:2020-04-13 06:06:31
解答
(-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
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