Datrys (2)-sqrt[3]{155/8}*sqrt{4/25}:quad(3)sqrt[3]{27}+(-sqrt{064})*sqrt{400}

$$( 2 ) - \sqrt[ 3 ] { 15 \frac { 5 } { 8 } } \times \sqrt { \frac { 4 } { 25 } } : \quad ( 3 ) \sqrt[ 3 ] { 27 } + ( - \sqrt { 064 } ) \times \sqrt { 400 }$$

Enrhifo

$$1$$

Camau Ateb

Lluosi 15 a 8 i gael 120.

$$2-\frac{\sqrt[3]{\frac{120+5}{8}}\sqrt{\frac{4}{25}}}{3}\sqrt[3]{27}+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Adio 120 a 5 i gael 125.

$$2-\frac{\sqrt[3]{\frac{125}{8}}\sqrt{\frac{4}{25}}}{3}\sqrt[3]{27}+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Cyfrifo \sqrt[3]{\frac{125}{8}} a chael \frac{5}{2}.

$$2-\frac{\frac{5}{2}\sqrt{\frac{4}{25}}}{3}\sqrt[3]{27}+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Ailysgrifennu ail isradd y rhaniad \frac{4}{25} fel rhaniad ail israddau \frac{\sqrt{4}}{\sqrt{25}}. Cymryd ail isradd y rhifiadur a'r enwadur.

$$2-\frac{\frac{5}{2}\times \frac{2}{5}}{3}\sqrt[3]{27}+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Lluosi \frac{5}{2} a \frac{2}{5} i gael 1.

$$2-\frac{1}{3}\sqrt[3]{27}+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Cyfrifo \sqrt[3]{27} a chael 3.

$$2-\frac{1}{3}\times 3+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Lluosi \frac{1}{3} a 3 i gael 1.

$$2-1+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Tynnu 1 o 2 i gael 1.

$$1+\left(-\sqrt{0\times 64}\right)\sqrt{400}$$

Lluosi 0 a 64 i gael 0.

$$1+\left(-\sqrt{0}\right)\sqrt{400}$$

Cyfrifo ail isradd 0 a chael 0.

$$1+0\sqrt{400}$$

Cyfrifo ail isradd 400 a chael 20.

$$1+0\times 20$$

Lluosi 0 a 20 i gael 0.

$$1+0$$

Adio 1 a 0 i gael 1.

$$1$$

Ffactor

$$1$$