Datrys sqrt{1/5(left(32125-32123right)^2+left(32126-32123right)^2+left(32121-32123right)^2+left(32124-32123right)^2+{left(32122-32123right)}^2+{left(32122-32123right)}^2)}

$$\sqrt{ \frac{ 1 }{ 5 } ( { \left(32125-32123 \right) }^{ 2 } + { \left(32126-32123 \right) }^{ 2 } + { \left(32121-32123 \right) }^{ 2 } + { \left(32124-32123 \right) }^{ 2 } + { \left(32122-32123 \right) }^{ 2 } + { \left(32122-32123 \right) }^{ 2 } ) }$$

Enrhifo

$$2$$

Camau Ateb

Tynnu 32123 o 32125 i gael 2.

$$\sqrt{\frac{1}{5}\left(2^{2}+\left(32126-32123\right)^{2}+\left(32121-32123\right)^{2}+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Cyfrifo 2 i bŵer 2 a chael 4.

$$\sqrt{\frac{1}{5}\left(4+\left(32126-32123\right)^{2}+\left(32121-32123\right)^{2}+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Tynnu 32123 o 32126 i gael 3.

$$\sqrt{\frac{1}{5}\left(4+3^{2}+\left(32121-32123\right)^{2}+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Cyfrifo 3 i bŵer 2 a chael 9.

$$\sqrt{\frac{1}{5}\left(4+9+\left(32121-32123\right)^{2}+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Adio 4 a 9 i gael 13.

$$\sqrt{\frac{1}{5}\left(13+\left(32121-32123\right)^{2}+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Tynnu 32123 o 32121 i gael -2.

$$\sqrt{\frac{1}{5}\left(13+\left(-2\right)^{2}+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Cyfrifo -2 i bŵer 2 a chael 4.

$$\sqrt{\frac{1}{5}\left(13+4+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Adio 13 a 4 i gael 17.

$$\sqrt{\frac{1}{5}\left(17+\left(32124-32123\right)^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Tynnu 32123 o 32124 i gael 1.

$$\sqrt{\frac{1}{5}\left(17+1^{2}+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Cyfrifo 1 i bŵer 2 a chael 1.

$$\sqrt{\frac{1}{5}\left(17+1+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Adio 17 a 1 i gael 18.

$$\sqrt{\frac{1}{5}\left(18+\left(32122-32123\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Tynnu 32123 o 32122 i gael -1.

$$\sqrt{\frac{1}{5}\left(18+\left(-1\right)^{2}+\left(32122-32123\right)^{2}\right)}$$

Cyfrifo -1 i bŵer 2 a chael 1.

$$\sqrt{\frac{1}{5}\left(18+1+\left(32122-32123\right)^{2}\right)}$$

Adio 18 a 1 i gael 19.

$$\sqrt{\frac{1}{5}\left(19+\left(32122-32123\right)^{2}\right)}$$

Tynnu 32123 o 32122 i gael -1.

$$\sqrt{\frac{1}{5}\left(19+\left(-1\right)^{2}\right)}$$

Cyfrifo -1 i bŵer 2 a chael 1.

$$\sqrt{\frac{1}{5}\left(19+1\right)}$$

Adio 19 a 1 i gael 20.

$$\sqrt{\frac{1}{5}\times 20}$$

Lluosi \frac{1}{5} a 20 i gael 4.

$$\sqrt{4}$$

Cyfrifo ail isradd 4 a chael 2.

$$2$$

Ffactor

$$2$$