Datrys [(1/3)^-3+(2/5)^-2+(4/23)^-1+10]^frac{1{2}}

$$[ ( \frac { 1 } { 3 } ) ^ { - 3 } + ( \frac { 2 } { 5 } ) ^ { - 2 } + ( \frac { 4 } { 23 } ) ^ { - 1 } + 10 ] ^ { \frac { 1 } { 2 } }$$

Enrhifo

$$7$$

Camau Ateb

Cyfrifo \frac{1}{3} i bŵer -3 a chael 27.

$$\left(27+\left(\frac{2}{5}\right)^{-2}+\left(\frac{4}{23}\right)^{-1}+10\right)^{\frac{1}{2}}$$

Cyfrifo \frac{2}{5} i bŵer -2 a chael \frac{25}{4}.

$$\left(27+\frac{25}{4}+\left(\frac{4}{23}\right)^{-1}+10\right)^{\frac{1}{2}}$$

Adio 27 a \frac{25}{4} i gael \frac{133}{4}.

$$\left(\frac{133}{4}+\left(\frac{4}{23}\right)^{-1}+10\right)^{\frac{1}{2}}$$

Cyfrifo \frac{4}{23} i bŵer -1 a chael \frac{23}{4}.

$$\left(\frac{133}{4}+\frac{23}{4}+10\right)^{\frac{1}{2}}$$

Adio \frac{133}{4} a \frac{23}{4} i gael 39.

$$\left(39+10\right)^{\frac{1}{2}}$$

Adio 39 a 10 i gael 49.

$$49^{\frac{1}{2}}$$

Cyfrifo 49 i bŵer \frac{1}{2} a chael 7.

$$7$$

Ffactor

$$7$$