Whakaoti i te 325*325+175*175-2*325*175/325*325-175*175

$$\frac { 325 \times 325 + 175 \times 175 - 2 \times 325 \times 175 } { 325 \times 325 - 175 \times 175 }$$

Aromātai

$$\frac{3}{10}=0.3$$

Ngā Upane Otinga

Whakareatia te 325 ki te 325, ka 105625. Whakareatia te 175 ki te 175, ka 30625.

$$\frac{105625+30625-2\times 325\times 175}{325\times 325-175\times 175}$$

Tāpirihia te 105625 ki te 30625, ka 136250.

$$\frac{136250-2\times 325\times 175}{325\times 325-175\times 175}$$

Whakareatia te 2 ki te 325, ka 650.

$$\frac{136250-650\times 175}{325\times 325-175\times 175}$$

Whakareatia te 650 ki te 175, ka 113750.

$$\frac{136250-113750}{325\times 325-175\times 175}$$

Tangohia te 113750 i te 136250, ka 22500.

$$\frac{22500}{325\times 325-175\times 175}$$

Whakareatia te 325 ki te 325, ka 105625.

$$\frac{22500}{105625-175\times 175}$$

Whakareatia te 175 ki te 175, ka 30625.

$$\frac{22500}{105625-30625}$$

Tangohia te 30625 i te 105625, ka 75000.

$$\frac{22500}{75000}$$

Whakahekea te hautanga \frac{22500}{75000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 7500.

$$\frac{3}{10}$$

Tauwehe

$$\frac{3}{2 \cdot 5} = 0.3$$