Datrys sqrt{2^3*5*3}

$$\sqrt{ { 2 }^{ 3 } \times 5 \times 3 }$$

Enrhifo

$$2\sqrt{30}\approx 10.95445115$$

Camau Ateb

Cyfrifo 2 i bŵer 3 a chael 8.

$$\sqrt{8\times 5\times 3}$$

Lluosi 8 a 5 i gael 40.

$$\sqrt{40\times 3}$$

Lluosi 40 a 3 i gael 120.

$$\sqrt{120}$$

Ffactora 120=2^{2}\times 30. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 30} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{30}. Cymryd isradd 2^{2}.

$$2\sqrt{30}$$