Datrys frac{10^{2}+11^2+12^2+13^2+14^2}{365}=?

$$\frac { 10 ^ { 2 } + 11 ^ { 2 } + 12 ^ { 2 } + 13 ^ { 2 } + 14 ^ { 2 } } { 365 } = ?$$

Enrhifo

$$2$$

Camau Ateb

Cyfrifo 10 i bŵer 2 a chael 100.

$$\frac{100+11^{2}+12^{2}+13^{2}+14^{2}}{365}$$

Cyfrifo 11 i bŵer 2 a chael 121.

$$\frac{100+121+12^{2}+13^{2}+14^{2}}{365}$$

Adio 100 a 121 i gael 221.

$$\frac{221+12^{2}+13^{2}+14^{2}}{365}$$

Cyfrifo 12 i bŵer 2 a chael 144.

$$\frac{221+144+13^{2}+14^{2}}{365}$$

Adio 221 a 144 i gael 365.

$$\frac{365+13^{2}+14^{2}}{365}$$

Cyfrifo 13 i bŵer 2 a chael 169.

$$\frac{365+169+14^{2}}{365}$$

Adio 365 a 169 i gael 534.

$$\frac{534+14^{2}}{365}$$

Cyfrifo 14 i bŵer 2 a chael 196.

$$\frac{534+196}{365}$$

Adio 534 a 196 i gael 730.

$$\frac{730}{365}$$

Rhannu 730 â 365 i gael 2.

$$2$$

Ffactor

$$2$$