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-0.5+(-2/3)-I-4/5I-(1/2)-(+1/3) 怎么算
人气:316 ℃ 时间:2020-06-12 16:41:17
解答
-0.5+(-2/3)-I-4/5I-(1/2)-(+1/3)
=-0.5-2/3-4/5-1/2-1/3
=(-0.5-1/2)+(-2/3-1/3)-4/5
=-1-1-4/5
=-14/5
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