Whakaoti i te 400(16.7+18.7/2)(657)=

$$400 ( \frac { 16.7 + 18.7 } { 2 } ) ( 657 ) =$$

Aromātai

$$4651560$$

Ngā Upane Otinga

Tāpirihia te 16.7 ki te 18.7, ka 35.4.

$$400\times \frac{35.4}{2}\times 657$$

Whakarohaina te \frac{35.4}{2} mā te whakarea i te taurunga me te tauraro ki te 10.

$$400\times \frac{354}{20}\times 657$$

Whakahekea te hautanga \frac{354}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$400\times \frac{177}{10}\times 657$$

Tuhia te 400\times \frac{177}{10} hei hautanga kotahi.

$$\frac{400\times 177}{10}\times 657$$

Whakareatia te 400 ki te 177, ka 70800.

$$\frac{70800}{10}\times 657$$

Whakawehea te 70800 ki te 10, kia riro ko 7080.

$$7080\times 657$$

Whakareatia te 7080 ki te 657, ka 4651560.

$$4651560$$

Tauwehe

$$5\times 59\times 73\times 2^{3}\times 3^{3}$$