Question

Calculează: 3²¹-3*(3²*3³)⁴+7⁰​

Answer 1

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Salutare!

$3 {}^{21} - 3 \times (3 {}^{2} \times 3 {}^{3} ) {}^{4} + 7 {}^{0} = \\ 3 {}^{21} - 3 \times (3 {}^{5} ) {}^{4} + 7 {}^{0} = \\ 3 {}^{21} - 3 \times (3 {}^{5} ) {}^{4} + 1 = \\ 3 {}^{21} - 3 \times 3 {}^{20} + 1 = \\ 3 {}^{21} - 3 {}^{21} + 1 = \\ 0 + 1 = \\ 0$

#Succes!

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Answer 2

Răspuns:

1

Explicație pas cu pas:

3^21-3^1*(3^4*4)*4+1=3^21-3^21+1=0+1=1