Datrys sqrt{111/25}+3sqrt{71/9}-06sqrt{3025}

$$\sqrt{ 1 \frac{ 11 }{ 25 } } +3 \sqrt{ 7 \frac{ 1 }{ 9 } } -06 \sqrt{ 3025 }$$

Enrhifo

$$\frac{46}{5}=9.2$$

Camau Ateb

Lluosi 1 a 25 i gael 25.

$$\sqrt{\frac{25+11}{25}}+3\sqrt{\frac{7\times 9+1}{9}}-0\times 6\sqrt{3025}$$

Adio 25 a 11 i gael 36.

$$\sqrt{\frac{36}{25}}+3\sqrt{\frac{7\times 9+1}{9}}-0\times 6\sqrt{3025}$$

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.

$$\frac{6}{5}+3\sqrt{\frac{7\times 9+1}{9}}-0\times 6\sqrt{3025}$$

Lluosi 7 a 9 i gael 63.

$$\frac{6}{5}+3\sqrt{\frac{63+1}{9}}-0\times 6\sqrt{3025}$$

Adio 63 a 1 i gael 64.

$$\frac{6}{5}+3\sqrt{\frac{64}{9}}-0\times 6\sqrt{3025}$$

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.

$$\frac{6}{5}+3\times \frac{8}{3}-0\times 6\sqrt{3025}$$

Canslo 3 a 3.

$$\frac{6}{5}+8-0\times 6\sqrt{3025}$$

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

$$\frac{6}{5}+\frac{40}{5}-0\times 6\sqrt{3025}$$

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

$$\frac{6+40}{5}-0\times 6\sqrt{3025}$$

Adio 6 a 40 i gael 46.

$$\frac{46}{5}-0\times 6\sqrt{3025}$$

Lluosi 0 a 6 i gael 0.

$$\frac{46}{5}-0\sqrt{3025}$$

Cyfrifo ail isradd 3025 a chael 55.

$$\frac{46}{5}-0\times 55$$

Lluosi 0 a 55 i gael 0.

$$\frac{46}{5}-0$$

Tynnu 0 o \frac{46}{5} i gael \frac{46}{5}.

$$\frac{46}{5}$$

Ffactor

$$\frac{2 \cdot 23}{5} = 9\frac{1}{5} = 9.2$$