Datrys {l}{(-3)+(-1)+(+4)+(+2)=-6}{(+6)+(-5)+(+3)+(-2)=12}

$$\left. \begin{array} { l } { ( - 3 ) + ( - 1 ) + ( + 4 ) + ( + 2 ) = - 6 } \\ { ( + 6 ) + ( - 5 ) + ( + 3 ) + ( - 2 ) = 12 } \end{array} \right.$$

Gwireddu

Camau Ateb

Tynnu 1 o -3 i gael -4.

$$-4+4+2=-6\text{ and }6-5+3-2=12$$

Adio -4 a 4 i gael 0.

$$2=-6\text{ and }6-5+3-2=12$$

Cymharu 2 gyda -6.

$$\text{false}\text{ and }6-5+3-2=12$$

Tynnu 5 o 6 i gael 1.

$$\text{false}\text{ and }1+3-2=12$$

Adio 1 a 3 i gael 4.

$$\text{false}\text{ and }4-2=12$$

Tynnu 2 o 4 i gael 2.

$$\text{false}\text{ and }2=12$$

Cymharu 2 gyda 12.

$$\text{false}\text{ and }\text{false}$$

Cysylltydd \text{false} a \text{false} yw \text{false}.

$$\text{false}$$