Whakaoti i te 4200*12*70-4200*1*(100-70)-22.6*10^5*100/4200*12

$$\frac{ 4200 \times 12 \times 70-4200 \times 1 \times (100-70)-22.6 \times { 10 }^{ 5 } \times 100 }{ 4200 \times 12 }$$

Aromātai

$$-\frac{556495}{126}\approx -4416.626984127$$

Ngā Upane Otinga

Whakareatia te 4200 ki te 12, ka 50400.

$$\frac{50400\times 70-4200\times 1\left(100-70\right)-22.6\times 10^{5}\times 100}{4200\times 12}$$

Whakareatia te 50400 ki te 70, ka 3528000.

$$\frac{3528000-4200\times 1\left(100-70\right)-22.6\times 10^{5}\times 100}{4200\times 12}$$

Whakareatia te 4200 ki te 1, ka 4200.

$$\frac{3528000-4200\left(100-70\right)-22.6\times 10^{5}\times 100}{4200\times 12}$$

Tangohia te 70 i te 100, ka 30.

$$\frac{3528000-4200\times 30-22.6\times 10^{5}\times 100}{4200\times 12}$$

Whakareatia te 4200 ki te 30, ka 126000.

$$\frac{3528000-126000-22.6\times 10^{5}\times 100}{4200\times 12}$$

Tangohia te 126000 i te 3528000, ka 3402000.

$$\frac{3402000-22.6\times 10^{5}\times 100}{4200\times 12}$$

Tātaihia te 10 mā te pū o 5, kia riro ko 100000.

$$\frac{3402000-22.6\times 100000\times 100}{4200\times 12}$$

Whakareatia te 22.6 ki te 100000, ka 2260000.

$$\frac{3402000-2260000\times 100}{4200\times 12}$$

Whakareatia te 2260000 ki te 100, ka 226000000.

$$\frac{3402000-226000000}{4200\times 12}$$

Tangohia te 226000000 i te 3402000, ka -222598000.

$$\frac{-222598000}{4200\times 12}$$

Whakareatia te 4200 ki te 12, ka 50400.

$$\frac{-222598000}{50400}$$

Whakahekea te hautanga \frac{-222598000}{50400} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 400.

$$-\frac{556495}{126}$$

Tauwehe

$$-\frac{556495}{126} = -4416\frac{79}{126} = -4416.626984126984$$