Cho 2 số phức  và . Tìm số phức .  

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Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Our bodies send out messages constantly and sometimes we do not recognize that we are using many nonverbal language.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Our understanding and use of non-verbal cues in facial expressions and gestures are familiar to us nearly in birth.

• Find a mistake in the four underlined parts of the sentence and correct it:

  A person’s body postures, movements but positions more often tell us exactly what they mean.

• Choose a word that has different stress pattern:

  social                 meter                notice                  begin

• Choose a word that has different stress pattern:

  whistle               table                   someone                  receive

• Choose a word that has different stress pattern:

  discuss               waving                airport                often

• Choose a word that has different stress pattern:

  sentence                pointing                 verbal                 attract

• Choose a word that has different stress pattern:

  problem                minute                  suppose                   dinner

• Choose one sentence that has the closest meaning to the root one:

  “How beautiful is the dress you have just bought!” Peter said to Mary.
  
  

• Choose one sentence that has the closest meaning to the root one:

  She raised her hand high so that she could attract her teacher’s attention.