Datrys sqrt{111/25}+3sqrt{71/9}-0.6sqrt{3025}

$$\sqrt{ 1 \frac{ 11 }{ 25 } } +3 \sqrt{ 7 \frac{ 1 }{ 9 } } -0.6 \sqrt{ 3025 }$$

Enrhifo

$$-23.8$$

Camau Ateb

Lluosi 1 a 25 i gael 25.

$$\sqrt{\frac{25+11}{25}}+3\sqrt{\frac{7\times 9+1}{9}}-0.6\sqrt{3025}$$

Adio 25 a 11 i gael 36.

$$\sqrt{\frac{36}{25}}+3\sqrt{\frac{7\times 9+1}{9}}-0.6\sqrt{3025}$$

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.

$$\frac{6}{5}+3\sqrt{\frac{7\times 9+1}{9}}-0.6\sqrt{3025}$$

Lluosi 7 a 9 i gael 63.

$$\frac{6}{5}+3\sqrt{\frac{63+1}{9}}-0.6\sqrt{3025}$$

Adio 63 a 1 i gael 64.

$$\frac{6}{5}+3\sqrt{\frac{64}{9}}-0.6\sqrt{3025}$$

Ailysgrifennu ail isradd y rhaniad \frac{64}{9} fel rhaniad ail israddau \frac{\sqrt{64}}{\sqrt{9}}. Cymryd ail isradd y rhifiadur a'r enwadur.

$$\frac{6}{5}+3\times \frac{8}{3}-0.6\sqrt{3025}$$

Canslo 3 a 3.

$$\frac{6}{5}+8-0.6\sqrt{3025}$$

Troswch y rhif degol 8 i’r ffracsiwn \frac{40}{5}.

$$\frac{6}{5}+\frac{40}{5}-0.6\sqrt{3025}$$

Gan fod gan \frac{6}{5} a \frac{40}{5} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{6+40}{5}-0.6\sqrt{3025}$$

Adio 6 a 40 i gael 46.

$$\frac{46}{5}-0.6\sqrt{3025}$$

Cyfrifo ail isradd 3025 a chael 55.

$$\frac{46}{5}-0.6\times 55$$

Lluosi -0.6 a 55 i gael -33.

$$\frac{46}{5}-33$$

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

$$\frac{46}{5}-\frac{165}{5}$$

Gan fod gan \frac{46}{5} a \frac{165}{5} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{46-165}{5}$$

Tynnu 165 o 46 i gael -119.

$$-\frac{119}{5}$$

Ffactor

$$-23.8$$