Issolvi 0.0725(3*0.1725)+(3*0.0729)/9*0.1725+20*0.0725=

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

Evalwa

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

Passi tas-Soluzzjonijiet

Immultiplika 0.0725 u 3 biex tikseb 0.2175.

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

Immultiplika 0.2175 u 0.1725 biex tikseb 0.03751875.

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

Immultiplika 3 u 0.0729 biex tikseb 0.2187.

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

Żid 0.03751875 u 0.2187 biex tikseb 0.25621875.

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

Immultiplika 9 u 0.1725 biex tikseb 1.5525.

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

Immultiplika 20 u 0.0725 biex tikseb 1.45.

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

Żid 1.5525 u 1.45 biex tikseb 3.0025.

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

Espandi \frac{0.25621875}{3.0025} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100000000.

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

Naqqas il-frazzjoni \frac{25621875}{300250000} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 3125.

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

Fattur

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