Whakaoti i te left(6*306-14*74right)^2*400div(20*380*80*320)

$${ \left(6 \times 306-14 \times 74 \right) }^{ 2 } \times 400 \div (20 \times 380 \times 80 \times 320)$$

Aromātai

$$\frac{25}{19}\approx 1.315789474$$

Ngā Upane Otinga

Me whakakore tahi te 20\times 20 i te taurunga me te tauraro.

$$\frac{\left(6\times 306-14\times 74\right)^{2}}{19\times 80\times 320}$$

Whakareatia te 6 ki te 306, ka 1836.

$$\frac{\left(1836-14\times 74\right)^{2}}{19\times 80\times 320}$$

Whakareatia te 14 ki te 74, ka 1036.

$$\frac{\left(1836-1036\right)^{2}}{19\times 80\times 320}$$

Tangohia te 1036 i te 1836, ka 800.

$$\frac{800^{2}}{19\times 80\times 320}$$

Tātaihia te 800 mā te pū o 2, kia riro ko 640000.

$$\frac{640000}{19\times 80\times 320}$$

Whakareatia te 19 ki te 80, ka 1520.

$$\frac{640000}{1520\times 320}$$

Whakareatia te 1520 ki te 320, ka 486400.

$$\frac{640000}{486400}$$

Whakahekea te hautanga \frac{640000}{486400} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 25600.

$$\frac{25}{19}$$

Tauwehe

$$\frac{5 ^ {2}}{19} = 1\frac{6}{19} = 1.3157894736842106$$