 nazmiburkanova7 
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                                                nazmiburkanova7 
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                                             машунька0811 
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                                                машунька0811 
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                                             NastyKek4556 
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                                                NastyKek4556 
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                                             bobbobyashka1 
                                                15.03.2020 01:19
                                                
                                                bobbobyashka1 
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                                             kama21heas21 
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                                                kama21heas21 
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                                             katrinvolf 
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                                                katrinvolf 
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                                             MorficTV 
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                                                MorficTV 
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                                             mur181 
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                                                mur181 
                                                15.03.2020 01:22
                                            
z^3=1000-900i+270ii-27iii
Пошаговое объяснение:
z^3=(10-3i)*(10-3i)*(10-3i)
z^2=10(10-3i)-3i(10-3i)=(100-30i)-(30i-9ii)=100-60i+9ii
z^3=10(100-60i+9ii)-3i(100-60i+9ii)=(1000-600i+90ii)-(300i-180ii+27iii)=1000-900i+270ii-27iii
z^3=1000-900i+270ii-27iii