Question

Обчисліть

$\sqrt{3 {}^{2} }$
​

Answer 1

Ответ:

3

5

2

−7

⋅

3+2

2

=

3

(

2

−1)

3

⋅

(

2

+1)

2

=(

2

−1)(

2

+1)=

=(

2

)

2

−1

2

=2−1=1