计算:(1-2i)-(2-3i)+(3-4i)-(4-5i)+…+(1 999-2 000i)-(2 000-2 001i).我的过程如下:看哪里错了=[(1+1999)*1999]/4 + [(-2-2000)*1999/4] + [(-2-2000)*1999]i/4 + [(3+2001)*1999]i/4 ..错在哪
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![计算:(1-2i)-(2-3i)+(3-4i)-(4-5i)+…+(1 999-2 000i)-(2 000-2 001i).我的过程如下:看哪里错了=[(1+1999)*1999]/4 + [(-2-2000)*1999/4] + [(-2-2000)*1999]i/4 + [(3+2001)*1999]i/4 ..错在哪](/uploads/image/z/3788158-22-8.jpg?t=%E8%AE%A1%E7%AE%97%3A%281-2i%29-%282-3i%29%2B%283-4i%29-%284-5i%29%2B%E2%80%A6%2B%281+999-2+000i%29-%282+000-2+001i%29.%26%2357347%3B%E6%88%91%E7%9A%84%E8%BF%87%E7%A8%8B%E5%A6%82%E4%B8%8B%EF%BC%9A%E7%9C%8B%E5%93%AA%E9%87%8C%E9%94%99%E4%BA%86%3D%5B%281%2B1999%29%2A1999%5D%2F4+%2B+%5B%28-2-2000%29%2A1999%2F4%5D+%2B+%5B%28-2-2000%29%2A1999%5Di%2F4+%2B+%5B%283%2B2001%29%2A1999%5Di%2F4+..%E9%94%99%E5%9C%A8%E5%93%AA)
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计算:(1-2i)-(2-3i)+(3-4i)-(4-5i)+…+(1 999-2 000i)-(2 000-2 001i).我的过程如下:看哪里错了=[(1+1999)*1999]/4 + [(-2-2000)*1999/4] + [(-2-2000)*1999]i/4 + [(3+2001)*1999]i/4 ..错在哪
计算:(1-2i)-(2-3i)+(3-4i)-(4-5i)+…+(1 999-2 000i)-(2 000-2 001i).
我的过程如下:看哪里错了=[(1+1999)*1999]/4 + [(-2-2000)*1999/4] + [(-2-2000)*1999]i/4 + [(3+2001)*1999]i/4 ..错在哪
计算:(1-2i)-(2-3i)+(3-4i)-(4-5i)+…+(1 999-2 000i)-(2 000-2 001i).我的过程如下:看哪里错了=[(1+1999)*1999]/4 + [(-2-2000)*1999/4] + [(-2-2000)*1999]i/4 + [(3+2001)*1999]i/4 ..错在哪
每两个都等于i-1,所以答案为1000(i-1)
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