Datrys sqrt{111/25}+3sqrt{11/9}-0.6sqrt{3025}

$$\sqrt { 1 \frac { 11 } { 25 } } + 3 \sqrt { \frac { 11 } { 9 } } - 0.6 \sqrt { 3025 }$$

Enrhifo

$$\sqrt{11}-31.8\approx -28.48337521$$

Camau Ateb

Lluosi 1 a 25 i gael 25.

$$\sqrt{\frac{25+11}{25}}+3\sqrt{\frac{11}{9}}-0.6\sqrt{3025}$$

Adio 25 a 11 i gael 36.

$$\sqrt{\frac{36}{25}}+3\sqrt{\frac{11}{9}}-0.6\sqrt{3025}$$

Ailysgrifennu ail isradd y rhaniad \frac{36}{25} fel rhaniad ail israddau \frac{\sqrt{36}}{\sqrt{25}}. Cymryd ail isradd y rhifiadur a'r enwadur.

$$\frac{6}{5}+3\sqrt{\frac{11}{9}}-0.6\sqrt{3025}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{11}{9}} fel rhaniad ail israddau \frac{\sqrt{11}}{\sqrt{9}}.

$$\frac{6}{5}+3\times \frac{\sqrt{11}}{\sqrt{9}}-0.6\sqrt{3025}$$

Cyfrifo ail isradd 9 a chael 3.

$$\frac{6}{5}+3\times \frac{\sqrt{11}}{3}-0.6\sqrt{3025}$$

Canslo 3 a 3.

$$\frac{6}{5}+\sqrt{11}-0.6\sqrt{3025}$$

Cyfrifo ail isradd 3025 a chael 55.

$$\frac{6}{5}+\sqrt{11}-0.6\times 55$$

Lluosi -0.6 a 55 i gael -33.

$$\frac{6}{5}+\sqrt{11}-33$$

Troswch y rhif degol 33 i’r ffracsiwn \frac{165}{5}.

$$\frac{6}{5}+\sqrt{11}-\frac{165}{5}$$

Gan fod gan \frac{6}{5} a \frac{165}{5} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{6-165}{5}+\sqrt{11}$$

Tynnu 165 o 6 i gael -159.

$$-\frac{159}{5}+\sqrt{11}$$