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

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

Evalwa

$$\frac{55807}{10}=5580.7$$

Passi tas-Soluzzjonijiet

Naqqas 83 minn 9 biex tikseb -74.

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

Ikkalkula -74 bil-power ta' 2 u tikseb 5476.

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

Immultiplika 5476 u 2 biex tikseb 10952.

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

Naqqas 83 minn 8 biex tikseb -75.

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

Ikkalkula -75 bil-power ta' 2 u tikseb 5625.

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

Immultiplika 5625 u 6 biex tikseb 33750.

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

Żid 10952 u 33750 biex tikseb 44702.

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

Naqqas 83 minn 10 biex tikseb -73.

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

Ikkalkula -73 bil-power ta' 2 u tikseb 5329.

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

Żid 44702 u 5329 biex tikseb 50031.

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

Naqqas 83 minn 7 biex tikseb -76.

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

Ikkalkula -76 bil-power ta' 2 u tikseb 5776.

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

Żid 50031 u 5776 biex tikseb 55807.

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

Immultiplika \frac{1}{10} u 55807 biex tikseb \frac{55807}{10}.

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

Fattur

$$\frac{55807}{2 \cdot 5} = 5580\frac{7}{10} = 5580.7$$