Question

9.) Calculati a)(2⁹⁷:2⁹⁵)²:4²-2006⁰
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Answer 1

$(2 {}^{97} \div 2 {}^{95} ) {}^{2} \div 4 {}^{2} - 2000 {}^{0} = \\ \\ = (2 {}^{97 - 95} ) {}^{2} \div 16 - 1 = \\ \\ = (2 {}^{2} ) {}^{2} \div 16 - 1 = \\ \\ = 4 {}^{2} \div 16 - 1 = \\ \\ = 16 \div 16 - 1 = \\ \\ = 1 - 1 = \\ \\ = 0$

Answer 2

Răspuns:

(2⁹⁷:2⁹⁵)²:4²-2006⁰=(2⁹⁷⁻⁹⁵)²:(2²)²-1=(2²)²:(2²)²-1=1-1=0