Datrys 7^6-2-7^6/7^6+3

$$\frac { 7 ^ { 6 - 2 } - 7 ^ { 6 } } { 7 ^ { 6 + 3 } }$$

Enrhifo

$$-\frac{48}{16807}\approx -0.002855953$$

Camau Ateb

Tynnu 2 o 6 i gael 4.

$$\frac{7^{4}-7^{6}}{7^{6+3}}$$

Cyfrifo 7 i bŵer 4 a chael 2401.

$$\frac{2401-7^{6}}{7^{6+3}}$$

Cyfrifo 7 i bŵer 6 a chael 117649.

$$\frac{2401-117649}{7^{6+3}}$$

Tynnu 117649 o 2401 i gael -115248.

$$\frac{-115248}{7^{6+3}}$$

Adio 6 a 3 i gael 9.

$$\frac{-115248}{7^{9}}$$

Cyfrifo 7 i bŵer 9 a chael 40353607.

$$\frac{-115248}{40353607}$$

Lleihau'r ffracsiwn \frac{-115248}{40353607} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2401.

$$-\frac{48}{16807}$$

Ffactor

$$-\frac{48}{16807} = -0.002855952876777533$$