Whakaoti i te 5*(left(81-85.5right)^2+left(90.875-85.5right)^2+left(84.625-85.5right)^2)

$$5 \times ( { \left(81-85.5 \right) }^{ 2 } + { \left(90.875-85.5 \right) }^{ 2 } + { \left(84.625-85.5 \right) }^{ 2 } )$$

Aromātai

$$249.53125$$

Ngā Upane Otinga

Tangohia te 85.5 i te 81, ka -4.5.

$$5\left(\left(-4.5\right)^{2}+\left(90.875-85.5\right)^{2}+\left(84.625-85.5\right)^{2}\right)$$

Tātaihia te -4.5 mā te pū o 2, kia riro ko 20.25.

$$5\left(20.25+\left(90.875-85.5\right)^{2}+\left(84.625-85.5\right)^{2}\right)$$

Tangohia te 85.5 i te 90.875, ka 5.375.

$$5\left(20.25+5.375^{2}+\left(84.625-85.5\right)^{2}\right)$$

Tātaihia te 5.375 mā te pū o 2, kia riro ko 28.890625.

$$5\left(20.25+28.890625+\left(84.625-85.5\right)^{2}\right)$$

Tāpirihia te 20.25 ki te 28.890625, ka 49.140625.

$$5\left(49.140625+\left(84.625-85.5\right)^{2}\right)$$

Tangohia te 85.5 i te 84.625, ka -0.875.

$$5\left(49.140625+\left(-0.875\right)^{2}\right)$$

Tātaihia te -0.875 mā te pū o 2, kia riro ko 0.765625.

$$5\left(49.140625+0.765625\right)$$

Tāpirihia te 49.140625 ki te 0.765625, ka 49.90625.

$$5\times 49.90625$$

Whakareatia te 5 ki te 49.90625, ka 249.53125.

$$249.53125$$

Tauwehe

$$\frac{5 \cdot 1597}{2 ^ {5}} = 249\frac{17}{32} = 249.53125$$