Datrys sqrt{(left(0747-0500right)^2+left(0747-0440right)^2+left(0747-0460right)^2+left(0747-0640right)^2+{left(0747-0800right)}^2+{left(0747-0850right)}^2+{left(0747-1right)}^2+{left(0747-13right)}^2)div(8(8-1))}

$$\sqrt{ ( { \left(0747-0500 \right) }^{ 2 } + { \left(0747-0440 \right) }^{ 2 } + { \left(0747-0460 \right) }^{ 2 } + { \left(0747-0640 \right) }^{ 2 } + { \left(0747-0800 \right) }^{ 2 } + { \left(0747-0850 \right) }^{ 2 } + { \left(0747-1 \right) }^{ 2 } + { \left(0747-13 \right) }^{ 2 } ) \div (8(8-1)) }$$

Enrhifo

$$\frac{\sqrt{595}}{14}\approx 1.742330131$$

Camau Ateb

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{\left(0-0\times 500\right)^{2}+\left(0\times 747-0\times 440\right)^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 500 i gael 0.

$$\sqrt{\frac{\left(0-0\right)^{2}+\left(0\times 747-0\times 440\right)^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Mae tynnu 0 o’i hun yn gadael 0.

$$\sqrt{\frac{0^{2}+\left(0\times 747-0\times 440\right)^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\sqrt{\frac{0+\left(0\times 747-0\times 440\right)^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{0+\left(0-0\times 440\right)^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 440 i gael 0.

$$\sqrt{\frac{0+\left(0-0\right)^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Mae tynnu 0 o’i hun yn gadael 0.

$$\sqrt{\frac{0+0^{2}+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\sqrt{\frac{0+0+\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Adio 0 a 0 i gael 0.

$$\sqrt{\frac{\left(0\times 747-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{\left(0-0\times 460\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 460 i gael 0.

$$\sqrt{\frac{\left(0-0\right)^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Mae tynnu 0 o’i hun yn gadael 0.

$$\sqrt{\frac{0^{2}+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\sqrt{\frac{0+\left(0\times 747-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{0+\left(0-0\times 640\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 640 i gael 0.

$$\sqrt{\frac{0+\left(0-0\right)^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Mae tynnu 0 o’i hun yn gadael 0.

$$\sqrt{\frac{0+0^{2}+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\sqrt{\frac{0+0+\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Adio 0 a 0 i gael 0.

$$\sqrt{\frac{\left(0\times 747-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{\left(0-0\times 800\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 800 i gael 0.

$$\sqrt{\frac{\left(0-0\right)^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Mae tynnu 0 o’i hun yn gadael 0.

$$\sqrt{\frac{0^{2}+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\sqrt{\frac{0+\left(0\times 747-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{0+\left(0-0\times 850\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 850 i gael 0.

$$\sqrt{\frac{0+\left(0-0\right)^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Mae tynnu 0 o’i hun yn gadael 0.

$$\sqrt{\frac{0+0^{2}+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\sqrt{\frac{0+0+\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Adio 0 a 0 i gael 0.

$$\sqrt{\frac{\left(0\times 747-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{\left(0-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Tynnu 1 o 0 i gael -1.

$$\sqrt{\frac{\left(-1\right)^{2}+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo -1 i bŵer 2 a chael 1.

$$\sqrt{\frac{1+\left(0\times 747-13\right)^{2}}{8\left(8-1\right)}}$$

Lluosi 0 a 747 i gael 0.

$$\sqrt{\frac{1+\left(0-13\right)^{2}}{8\left(8-1\right)}}$$

Tynnu 13 o 0 i gael -13.

$$\sqrt{\frac{1+\left(-13\right)^{2}}{8\left(8-1\right)}}$$

Cyfrifo -13 i bŵer 2 a chael 169.

$$\sqrt{\frac{1+169}{8\left(8-1\right)}}$$

Adio 1 a 169 i gael 170.

$$\sqrt{\frac{170}{8\left(8-1\right)}}$$

Tynnu 1 o 8 i gael 7.

$$\sqrt{\frac{170}{8\times 7}}$$

Lluosi 8 a 7 i gael 56.

$$\sqrt{\frac{170}{56}}$$

Lleihau'r ffracsiwn \frac{170}{56} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\sqrt{\frac{85}{28}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{85}{28}} fel rhaniad ail israddau \frac{\sqrt{85}}{\sqrt{28}}.

$$\frac{\sqrt{85}}{\sqrt{28}}$$

Ffactora 28=2^{2}\times 7. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 7} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{7}. Cymryd isradd 2^{2}.

$$\frac{\sqrt{85}}{2\sqrt{7}}$$

Mae'n rhesymoli enwadur \frac{\sqrt{85}}{2\sqrt{7}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{7}.

$$\frac{\sqrt{85}\sqrt{7}}{2\left(\sqrt{7}\right)^{2}}$$

Sgwâr \sqrt{7} yw 7.

$$\frac{\sqrt{85}\sqrt{7}}{2\times 7}$$

I luosi \sqrt{85} a \sqrt{7}, dylid lluosi'r rhifau dan yr ail isradd.

$$\frac{\sqrt{595}}{2\times 7}$$

Lluosi 2 a 7 i gael 14.

$$\frac{\sqrt{595}}{14}$$