Lahenda 1/10left(left(9-83right)^2*2+left(8-83right)^2*6+left(10-83right)^2+left(7-83right)^2right)

$$\frac{ 1 }{ 10 } \left( { \left(9-83 \right) }^{ 2 } \times 2+ { \left(8-83 \right) }^{ 2 } \times 6+ { \left(10-83 \right) }^{ 2 } + { \left(7-83 \right) }^{ 2 } \right)$$

Arvuta

$$\frac{55807}{10}=5580,7$$

Lahenduse etapid

Lahutage 83 väärtusest 9, et leida -74.

$$\frac{1}{10}\left(\left(-74\right)^{2}\times 2+\left(8-83\right)^{2}\times 6+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Arvutage 2 aste -74 ja leidke 5476.

$$\frac{1}{10}\left(5476\times 2+\left(8-83\right)^{2}\times 6+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Korrutage 5476 ja 2, et leida 10952.

$$\frac{1}{10}\left(10952+\left(8-83\right)^{2}\times 6+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Lahutage 83 väärtusest 8, et leida -75.

$$\frac{1}{10}\left(10952+\left(-75\right)^{2}\times 6+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Arvutage 2 aste -75 ja leidke 5625.

$$\frac{1}{10}\left(10952+5625\times 6+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Korrutage 5625 ja 6, et leida 33750.

$$\frac{1}{10}\left(10952+33750+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Liitke 10952 ja 33750, et leida 44702.

$$\frac{1}{10}\left(44702+\left(10-83\right)^{2}+\left(7-83\right)^{2}\right)$$

Lahutage 83 väärtusest 10, et leida -73.

$$\frac{1}{10}\left(44702+\left(-73\right)^{2}+\left(7-83\right)^{2}\right)$$

Arvutage 2 aste -73 ja leidke 5329.

$$\frac{1}{10}\left(44702+5329+\left(7-83\right)^{2}\right)$$

Liitke 44702 ja 5329, et leida 50031.

$$\frac{1}{10}\left(50031+\left(7-83\right)^{2}\right)$$

Lahutage 83 väärtusest 7, et leida -76.

$$\frac{1}{10}\left(50031+\left(-76\right)^{2}\right)$$

Arvutage 2 aste -76 ja leidke 5776.

$$\frac{1}{10}\left(50031+5776\right)$$

Liitke 50031 ja 5776, et leida 55807.

$$\frac{1}{10}\times 55807$$

Korrutage \frac{1}{10} ja 55807, et leida \frac{55807}{10}.

$$\frac{55807}{10}$$

Lahuta teguriteks

$$\frac{55807}{2 \cdot 5} = 5580\frac{7}{10} = 5580,7$$