Whakaoti i te 21.6div(28+35.5+80)*(188+108+35.5)

$$21.6 \div (28+35.5+80) \times (188+108+35.5)$$

Aromātai

$$\frac{71604}{1435}\approx 49.89825784$$

Ngā Upane Otinga

Tāpirihia te 28 ki te 35.5, ka 63.5.

$$\frac{21.6}{63.5+80}\left(188+108+35.5\right)$$

Tāpirihia te 63.5 ki te 80, ka 143.5.

$$\frac{21.6}{143.5}\left(188+108+35.5\right)$$

Whakarohaina te \frac{21.6}{143.5} mā te whakarea i te taurunga me te tauraro ki te 10.

$$\frac{216}{1435}\left(188+108+35.5\right)$$

Tāpirihia te 188 ki te 108, ka 296.

$$\frac{216}{1435}\left(296+35.5\right)$$

Tāpirihia te 296 ki te 35.5, ka 331.5.

$$\frac{216}{1435}\times 331.5$$

Me tahuri ki tau ā-ira 331.5 ki te hautau \frac{3315}{10}. Whakahekea te hautanga \frac{3315}{10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.

$$\frac{216}{1435}\times \frac{663}{2}$$

Me whakarea te \frac{216}{1435} ki te \frac{663}{2} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{216\times 663}{1435\times 2}$$

Mahia ngā whakarea i roto i te hautanga \frac{216\times 663}{1435\times 2}.

$$\frac{143208}{2870}$$

Whakahekea te hautanga \frac{143208}{2870} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$\frac{71604}{1435}$$

Tauwehe

$$\frac{13 \cdot 17 \cdot 2 ^ {2} \cdot 3 ^ {4}}{5 \cdot 7 \cdot 41} = 49\frac{1289}{1435} = 49.89825783972125$$