Whakaoti i te (1000*80%div164*0.38)*80

$$(1000 \times 80 \% \div 164 \times 0.38) \times 80$$

Aromātai

$$\frac{6080}{41}\approx 148.292682927$$

Ngā Upane Otinga

Whakahekea te hautanga \frac{80}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 20.

$$\frac{1000\times \frac{4}{5}}{164}\times 0.38\times 80$$

Tuhia te 1000\times \frac{4}{5} hei hautanga kotahi.

$$\frac{\frac{1000\times 4}{5}}{164}\times 0.38\times 80$$

Whakareatia te 1000 ki te 4, ka 4000.

$$\frac{\frac{4000}{5}}{164}\times 0.38\times 80$$

Whakawehea te 4000 ki te 5, kia riro ko 800.

$$\frac{800}{164}\times 0.38\times 80$$

Whakahekea te hautanga \frac{800}{164} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$\frac{200}{41}\times 0.38\times 80$$

Me tahuri ki tau ā-ira 0.38 ki te hautau \frac{38}{100}. Whakahekea te hautanga \frac{38}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$\frac{200}{41}\times \frac{19}{50}\times 80$$

Me whakarea te \frac{200}{41} ki te \frac{19}{50} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{200\times 19}{41\times 50}\times 80$$

Mahia ngā whakarea i roto i te hautanga \frac{200\times 19}{41\times 50}.

$$\frac{3800}{2050}\times 80$$

Whakahekea te hautanga \frac{3800}{2050} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 50.

$$\frac{76}{41}\times 80$$

Tuhia te \frac{76}{41}\times 80 hei hautanga kotahi.

$$\frac{76\times 80}{41}$$

Whakareatia te 76 ki te 80, ka 6080.

$$\frac{6080}{41}$$

Tauwehe

$$\frac{5 \cdot 19 \cdot 2 ^ {6}}{41} = 148\frac{12}{41} = 148.29268292682926$$