Whakaoti i te 0.0725(3*0.1725)+(3*0.0729)/9*0.1725+20*0.0725=

$$\frac { 0.0725 ( 3 \cdot 0.1725 ) + ( 3 \cdot 0.0729 ) } { 9 \cdot 0.1725 + 20 \cdot 0.0725 } =$$

Aromātai

$$\frac{8199}{96080}\approx 0.085335137$$

Ngā Upane Otinga

Whakareatia te 0.0725 ki te 3, ka 0.2175.

$$\frac{0.2175\times 0.1725+3\times 0.0729}{9\times 0.1725+20\times 0.0725}$$

Whakareatia te 0.2175 ki te 0.1725, ka 0.03751875.

$$\frac{0.03751875+3\times 0.0729}{9\times 0.1725+20\times 0.0725}$$

Whakareatia te 3 ki te 0.0729, ka 0.2187.

$$\frac{0.03751875+0.2187}{9\times 0.1725+20\times 0.0725}$$

Tāpirihia te 0.03751875 ki te 0.2187, ka 0.25621875.

$$\frac{0.25621875}{9\times 0.1725+20\times 0.0725}$$

Whakareatia te 9 ki te 0.1725, ka 1.5525.

$$\frac{0.25621875}{1.5525+20\times 0.0725}$$

Whakareatia te 20 ki te 0.0725, ka 1.45.

$$\frac{0.25621875}{1.5525+1.45}$$

Tāpirihia te 1.5525 ki te 1.45, ka 3.0025.

$$\frac{0.25621875}{3.0025}$$

Whakarohaina te \frac{0.25621875}{3.0025} mā te whakarea i te taurunga me te tauraro ki te 100000000.

$$\frac{25621875}{300250000}$$

Whakahekea te hautanga \frac{25621875}{300250000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3125.

$$\frac{8199}{96080}$$

Tauwehe

$$\frac{911 \cdot 3 ^ {2}}{5 \cdot 1201 \cdot 2 ^ {4}} = 0.08533513738551207$$