Datrys 7^2left(2-3+6right)-{64}^frac{1{3}}left(6+left(3+2left(4+2right)^2-1right)-1right)

$${ 7 }^{ 2 } \left( 2-3+6 \right) - { 64 }^{ \frac{ 1 }{ 3 } } \left( 6+ \left( 3+2 { \left(4+2 \right) }^{ 2 } -1 \right) -1 \right)$$

Enrhifo

$$-71$$

Camau Ateb

Cyfrifo 7 i bŵer 2 a chael 49.

$$49\left(2-3+6\right)-64^{\frac{1}{3}}\left(6+3+2\left(4+2\right)^{2}-1-1\right)$$

Tynnu 3 o 2 i gael -1.

$$49\left(-1+6\right)-64^{\frac{1}{3}}\left(6+3+2\left(4+2\right)^{2}-1-1\right)$$

Adio -1 a 6 i gael 5.

$$49\times 5-64^{\frac{1}{3}}\left(6+3+2\left(4+2\right)^{2}-1-1\right)$$

Lluosi 49 a 5 i gael 245.

$$245-64^{\frac{1}{3}}\left(6+3+2\left(4+2\right)^{2}-1-1\right)$$

Cyfrifo 64 i bŵer \frac{1}{3} a chael 4.

$$245-4\left(6+3+2\left(4+2\right)^{2}-1-1\right)$$

Adio 6 a 3 i gael 9.

$$245-4\left(9+2\left(4+2\right)^{2}-1-1\right)$$

Adio 4 a 2 i gael 6.

$$245-4\left(9+2\times 6^{2}-1-1\right)$$

Cyfrifo 6 i bŵer 2 a chael 36.

$$245-4\left(9+2\times 36-1-1\right)$$

Lluosi 2 a 36 i gael 72.

$$245-4\left(9+72-1-1\right)$$

Adio 9 a 72 i gael 81.

$$245-4\left(81-1-1\right)$$

Tynnu 1 o 81 i gael 80.

$$245-4\left(80-1\right)$$

Tynnu 1 o 80 i gael 79.

$$245-4\times 79$$

Lluosi 4 a 79 i gael 316.

$$245-316$$

Tynnu 316 o 245 i gael -71.

$$-71$$

Ffactor

$$-71$$