[ Mức 1] Cho hai số phức $z_1=3+i$ và $z_2=2-4i$ . Modul của số phức $z_1.z_2$ bằng

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word that has the underlined part pronounced differently from the rest:  

  improve           remote                  stove                  solar

• Choose the word that has the underlined part pronounced differently from the rest:  

  power                     allow                  work                      renewable

• Choose the word that has the underlined part pronounced differently from the rest:  

  children                 machine                   much                  exchange

• Choose the word that has the underlined part pronounced differently from the rest:  

  knows                  develops                     liters                  spends

• Choose a word that has different stress pattern:

  spirit                  message                  trainer                  ensure

• Choose a word that has different stress pattern:

  include               cultude              country                  venue

• Choose the word that has the underlined part pronounced differently from the rest:

  Asian                       success                 athletes                      sport

• Choose the word that has the underlined part pronounced differently from the rest:

  Think                  warmth                  triathlon                   together

• Choose the word that has the underlined part pronounced differently from the rest:

  event                        ceremony                     establish                    spectacular

• Choose the word that has the underlined part pronounced differently from the rest:

  chess                everybody                       competitive                  represent