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-13/5-8+69/5-32/5计算!急
人气:113 ℃ 时间:2020-07-05 00:28:57
解答
-13/5-8+69/5-32/5
= -13/5+69/5-32/5-8
=(-13+69-32)/5-8
=24/5-40/5
=-16/5
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