Datrys 3^7+3^8/3^10+3^4

$$\frac { 3 ^ { 7 } + 3 ^ { 8 } } { 3 ^ { 10 } + 3 ^ { 4 } }$$

Enrhifo

$$\frac{54}{365}\approx 0.147945205$$

Camau Ateb

Cyfrifo 3 i bŵer 7 a chael 2187.

$$\frac{2187+3^{8}}{3^{10}+3^{4}}$$

Cyfrifo 3 i bŵer 8 a chael 6561.

$$\frac{2187+6561}{3^{10}+3^{4}}$$

Adio 2187 a 6561 i gael 8748.

$$\frac{8748}{3^{10}+3^{4}}$$

Cyfrifo 3 i bŵer 10 a chael 59049.

$$\frac{8748}{59049+3^{4}}$$

Cyfrifo 3 i bŵer 4 a chael 81.

$$\frac{8748}{59049+81}$$

Adio 59049 a 81 i gael 59130.

$$\frac{8748}{59130}$$

Lleihau'r ffracsiwn \frac{8748}{59130} i'r graddau lleiaf posib drwy dynnu a chanslo allan 162.

$$\frac{54}{365}$$

Ffactor

$$\frac{2 \cdot 3 ^ {3}}{5 \cdot 73} = 0.14794520547945206$$