Whakaoti i te 123^2-57^2/72^2-27^2

$$\frac{ { 123 }^{ 2 } - { 57 }^{ 2 } }{ { 72 }^{ 2 } - { 27 }^{ 2 } }$$

Aromātai

$$\frac{8}{3}\approx 2.666666667$$

Ngā Upane Otinga

Tātaihia te 123 mā te pū o 2, kia riro ko 15129.

$$\frac{15129-57^{2}}{72^{2}-27^{2}}$$

Tātaihia te 57 mā te pū o 2, kia riro ko 3249.

$$\frac{15129-3249}{72^{2}-27^{2}}$$

Tangohia te 3249 i te 15129, ka 11880.

$$\frac{11880}{72^{2}-27^{2}}$$

Tātaihia te 72 mā te pū o 2, kia riro ko 5184.

$$\frac{11880}{5184-27^{2}}$$

Tātaihia te 27 mā te pū o 2, kia riro ko 729.

$$\frac{11880}{5184-729}$$

Tangohia te 729 i te 5184, ka 4455.

$$\frac{11880}{4455}$$

Whakahekea te hautanga \frac{11880}{4455} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 1485.

$$\frac{8}{3}$$

Tauwehe

$$\frac{2 ^ {3}}{3} = 2\frac{2}{3} = 2.6666666666666665$$