Datrys (3.111^3+5(3.111^2)-2(3.111))div(3.111^2-2(3.111))

$$( { 3.111 }^{ 3 } +5( { 3.111 }^{ 2 } )-2(3.111)) \div ( { 3.111 }^{ 2 } -2(3.111))$$

Enrhifo

$$\frac{23233321}{1111000}\approx 20.912080108$$

Camau Ateb

Cyfrifo 3.111 i bŵer 3 a chael 30.109256631.

$$\frac{30.109256631+5\times 3.111^{2}-2\times 3.111}{3.111^{2}-2\times 3.111}$$

Cyfrifo 3.111 i bŵer 2 a chael 9.678321.

$$\frac{30.109256631+5\times 9.678321-2\times 3.111}{3.111^{2}-2\times 3.111}$$

Lluosi 5 a 9.678321 i gael 48.391605.

$$\frac{30.109256631+48.391605-2\times 3.111}{3.111^{2}-2\times 3.111}$$

Adio 30.109256631 a 48.391605 i gael 78.500861631.

$$\frac{78.500861631-2\times 3.111}{3.111^{2}-2\times 3.111}$$

Lluosi 2 a 3.111 i gael 6.222.

$$\frac{78.500861631-6.222}{3.111^{2}-2\times 3.111}$$

Tynnu 6.222 o 78.500861631 i gael 72.278861631.

$$\frac{72.278861631}{3.111^{2}-2\times 3.111}$$

Cyfrifo 3.111 i bŵer 2 a chael 9.678321.

$$\frac{72.278861631}{9.678321-2\times 3.111}$$

Lluosi 2 a 3.111 i gael 6.222.

$$\frac{72.278861631}{9.678321-6.222}$$

Tynnu 6.222 o 9.678321 i gael 3.456321.

$$\frac{72.278861631}{3.456321}$$

Ehangu \frac{72.278861631}{3.456321} drwy luosi'r rhifiadur a'r enwadur gyda 1000000000.

$$\frac{72278861631}{3456321000}$$

Lleihau'r ffracsiwn \frac{72278861631}{3456321000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3111.

$$\frac{23233321}{1111000}$$

Ffactor

$$\frac{29 \cdot 563 \cdot 1423}{11 \cdot 101 \cdot 2 ^ {3} \cdot 5 ^ {3}} = 20\frac{1013321}{1111000} = 20.9120801080108$$