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joke (复数)
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教案备课库《Unit 5 Section A》真题及答案
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复数z=1+i为z的共轭复数则.
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Whatadeliciousjoke!Thissentencemeans______.
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The joke is not interesting at all.
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如果一个复数的实部和虚部相等则称这个复数为等部复数若复数Z=1+aii为等部复数则实数a的值为
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已知复数z1=3-iz2是复数-1+2i的共轭复数则复数-的虚部等于________.
29.Whatadeliciousjoke!Thissentencemeans_____.
The joke is very interesting.
The joke is about delicious fooD.
The joke is not interesting at all.
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设复数z满足z1+i=2+4i其中i为虚数单位则复数z的共轭复数为__________.
Whatisfunny?Theshortansweris:Whoknows?Thejokethatc
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1【操作发现】如图一在矩形ABCD中E是BC的中点将△ABE沿AE折叠后得到△AFE点F在矩形ABCD内部延长AF交CD于点G.猜想线段GF与GC的数量关系是.2【类比探究】如图二将1中的矩形ABCD改为平行四边形其它条件不变1中结论是否仍然成立请说明理由.3【应用】如图三将1中的矩形ABCD改为正方形边长AB=4其它条件不变求线段GC的长.
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