Whakaoti i te 125*(1-12%)*4/11

$$125 \times (1-12 \% ) \times \frac{ 4 }{ 11 }$$

Aromātai

$$40$$

Ngā Upane Otinga

Whakahekea te hautanga \frac{12}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$125\left(1-\frac{3}{25}\right)\times \frac{4}{11}$$

Me tahuri te 1 ki te hautau \frac{25}{25}.

$$125\left(\frac{25}{25}-\frac{3}{25}\right)\times \frac{4}{11}$$

Tā te mea he rite te tauraro o \frac{25}{25} me \frac{3}{25}, me tango rāua mā te tango i ō raua taurunga.

$$125\times \frac{25-3}{25}\times \frac{4}{11}$$

Tangohia te 3 i te 25, ka 22.

$$125\times \frac{22}{25}\times \frac{4}{11}$$

Tuhia te 125\times \frac{22}{25} hei hautanga kotahi.

$$\frac{125\times 22}{25}\times \frac{4}{11}$$

Whakareatia te 125 ki te 22, ka 2750.

$$\frac{2750}{25}\times \frac{4}{11}$$

Whakawehea te 2750 ki te 25, kia riro ko 110.

$$110\times \frac{4}{11}$$

Tuhia te 110\times \frac{4}{11} hei hautanga kotahi.

$$\frac{110\times 4}{11}$$

Whakareatia te 110 ki te 4, ka 440.

$$\frac{440}{11}$$

Whakawehea te 440 ki te 11, kia riro ko 40.

$$40$$

Tauwehe

$$2^{3}\times 5$$