Datrys frac{6sqrt{12}+2sqrt{30}+15sqrt{18}+5sqrt{45}}{9sqrt{36}-sqrt{225}}

$$\frac { 6 \sqrt { 12 } + 2 \sqrt { 30 } + 15 \sqrt { 18 } + 5 \sqrt { 45 } } { 9 \sqrt { 36 } - \sqrt { 225 } }$$

Enrhifo

$$\frac{2\sqrt{30}}{39}+\frac{4\sqrt{3}}{13}+\frac{5\sqrt{5}}{13}+\frac{15\sqrt{2}}{13}\approx 3.305633098$$

Camau Ateb

Ffactora 12=2^{2}\times 3. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 3} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{3}. Cymryd isradd 2^{2}.

$$\frac{6\times 2\sqrt{3}+2\sqrt{30}+15\sqrt{18}+5\sqrt{45}}{9\sqrt{36}-\sqrt{225}}$$

Lluosi 6 a 2 i gael 12.

$$\frac{12\sqrt{3}+2\sqrt{30}+15\sqrt{18}+5\sqrt{45}}{9\sqrt{36}-\sqrt{225}}$$

Ffactora 18=3^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 2} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{2}. Cymryd isradd 3^{2}.

$$\frac{12\sqrt{3}+2\sqrt{30}+15\times 3\sqrt{2}+5\sqrt{45}}{9\sqrt{36}-\sqrt{225}}$$

Lluosi 15 a 3 i gael 45.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+5\sqrt{45}}{9\sqrt{36}-\sqrt{225}}$$

Ffactora 45=3^{2}\times 5. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 5} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{5}. Cymryd isradd 3^{2}.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+5\times 3\sqrt{5}}{9\sqrt{36}-\sqrt{225}}$$

Lluosi 5 a 3 i gael 15.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+15\sqrt{5}}{9\sqrt{36}-\sqrt{225}}$$

Cyfrifo ail isradd 36 a chael 6.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+15\sqrt{5}}{9\times 6-\sqrt{225}}$$

Lluosi 9 a 6 i gael 54.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+15\sqrt{5}}{54-\sqrt{225}}$$

Cyfrifo ail isradd 225 a chael 15.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+15\sqrt{5}}{54-15}$$

Tynnu 15 o 54 i gael 39.

$$\frac{12\sqrt{3}+2\sqrt{30}+45\sqrt{2}+15\sqrt{5}}{39}$$