Datrys 1-left(-3+6+1right)-left(4-left(6-3+1right)-2right)

$$1- \left( -3+6+1 \right) - \left( 4- \left( 6-3+1 \right) -2 \right)$$

Enrhifo

$$-1$$

Camau Ateb

Adio -3 a 6 i gael 3.

$$1-\left(3+1\right)-\left(4-\left(6-3+1\right)-2\right)$$

Adio 3 a 1 i gael 4.

$$1-4-\left(4-\left(6-3+1\right)-2\right)$$

Tynnu 4 o 1 i gael -3.

$$-3-\left(4-\left(6-3+1\right)-2\right)$$

Tynnu 3 o 6 i gael 3.

$$-3-\left(4-\left(3+1\right)-2\right)$$

Adio 3 a 1 i gael 4.

$$-3-\left(4-4-2\right)$$

Tynnu 4 o 4 i gael 0.

$$-3-\left(0-2\right)$$

Tynnu 2 o 0 i gael -2.

$$-3-\left(-2\right)$$

Gwrthwyneb -2 yw 2.

$$-3+2$$

Adio -3 a 2 i gael -1.

$$-1$$

Ffactor

$$-1$$