Datrys f_{3}(u)=072*sqrt{200}+008*sqrt{110}+018*sqrt{190}+002*sqrt{100}

$$f _ { 3 } ( u ) = 072 \times \sqrt { 200 } + 008 \times \sqrt { 110 } + 018 \times \sqrt { 190 } + 002 \times \sqrt { 100 }$$

Enrhifo

$$0$$

Camau Ateb

Lluosi 0 a 72 i gael 0. Lluosi 0 a 0 i gael 0. Lluosi 0 a 18 i gael 0. Lluosi 0 a 0 i gael 0.

$$0\sqrt{200}+0\times 8\sqrt{110}+0\sqrt{190}+0\times 2\sqrt{100}$$

Ffactora 200=10^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{10^{2}\times 2} fel lluoswm ail israddau \sqrt{10^{2}}\sqrt{2}. Cymryd isradd 10^{2}.

$$0\times 10\sqrt{2}+0\times 8\sqrt{110}+0\sqrt{190}+0\times 2\sqrt{100}$$

Lluosi 0 a 10 i gael 0.

$$0\sqrt{2}+0\times 8\sqrt{110}+0\sqrt{190}+0\times 2\sqrt{100}$$

Mae lluosi unrhyw beth â sero yn rhoi sero.

$$0+0\times 8\sqrt{110}+0\sqrt{190}+0\times 2\sqrt{100}$$

Lluosi 0 a 8 i gael 0.

$$0+0\sqrt{110}+0\sqrt{190}+0\times 2\sqrt{100}$$

Mae lluosi unrhyw beth â sero yn rhoi sero.

$$0+0+0\sqrt{190}+0\times 2\sqrt{100}$$

Adio 0 a 0 i gael 0.

$$0\sqrt{190}+0\times 2\sqrt{100}$$

Mae lluosi unrhyw beth â sero yn rhoi sero.

$$0+0\times 2\sqrt{100}$$

Lluosi 0 a 2 i gael 0.

$$0+0\sqrt{100}$$

Cyfrifo ail isradd 100 a chael 10.

$$0+0\times 10$$

Lluosi 0 a 10 i gael 0.

$$0+0$$

Adio 0 a 0 i gael 0.

$$0$$

Ffactor

$$0$$