Datrys sqrt[4]{1/81}+(2/3)^-1-0.002*10^3

$$\sqrt[ 4 ] { \frac { 1 } { 81 } } + ( \frac { 2 } { 3 } ) ^ { - 1 } - 0.002 \times 10 ^ { 3 }$$

Enrhifo

$$-\frac{1}{6}\approx -0.166666667$$

Camau Ateb

Cyfrifo \sqrt[4]{\frac{1}{81}} a chael \frac{1}{3}.

$$\frac{1}{3}+\left(\frac{2}{3}\right)^{-1}-0.002\times 10^{3}$$

Cyfrifo \frac{2}{3} i bŵer -1 a chael \frac{3}{2}.

$$\frac{1}{3}+\frac{3}{2}-0.002\times 10^{3}$$

Adio \frac{1}{3} a \frac{3}{2} i gael \frac{11}{6}.

$$\frac{11}{6}-0.002\times 10^{3}$$

Cyfrifo 10 i bŵer 3 a chael 1000.

$$\frac{11}{6}-0.002\times 1000$$

Lluosi 0.002 a 1000 i gael 2.

$$\frac{11}{6}-2$$

Tynnu 2 o \frac{11}{6} i gael -\frac{1}{6}.

$$-\frac{1}{6}$$

Ffactor

$$-\frac{1}{6} = -0.16666666666666666$$