Datrys (+5-11+3)sqrt{8}+4-8+6)=

$$( + 5 - 11 + 3 ) \sqrt { 8 } + 4 - 8 + 6 ) =$$

Enrhifo

$$2-6\sqrt{2}\approx -6.485281374$$

Camau Ateb

Tynnu 11 o 5 i gael -6.

$$\left(-6+3\right)\sqrt{8}+4-8+6$$

Adio -6 a 3 i gael -3.

$$-3\sqrt{8}+4-8+6$$

Ffactora 8=2^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 2} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{2}. Cymryd isradd 2^{2}.

$$-3\times 2\sqrt{2}+4-8+6$$

Lluosi -3 a 2 i gael -6.

$$-6\sqrt{2}+4-8+6$$

Tynnu 8 o 4 i gael -4.

$$-6\sqrt{2}-4+6$$

Adio -4 a 6 i gael 2.

$$-6\sqrt{2}+2$$