Datrys 20*100*4200*1+20*100*920*03/220^2

$$\frac{ 20 \times 100 \times 4200 \times 1+20 \times 100 \times 920 \times 03 }{ { 220 }^{ 2 } }$$

Enrhifo

$$\frac{21000}{121}\approx 173.553719008$$

Camau Ateb

Lluosi 20 a 100 i gael 2000. Lluosi 20 a 100 i gael 2000.

$$\frac{2000\times 4200\times 1+2000\times 920\times 0\times 3}{220^{2}}$$

Lluosi 2000 a 4200 i gael 8400000.

$$\frac{8400000\times 1+2000\times 920\times 0\times 3}{220^{2}}$$

Lluosi 8400000 a 1 i gael 8400000.

$$\frac{8400000+2000\times 920\times 0\times 3}{220^{2}}$$

Lluosi 2000 a 920 i gael 1840000.

$$\frac{8400000+1840000\times 0\times 3}{220^{2}}$$

Lluosi 1840000 a 0 i gael 0.

$$\frac{8400000+0\times 3}{220^{2}}$$

Lluosi 0 a 3 i gael 0.

$$\frac{8400000+0}{220^{2}}$$

Adio 8400000 a 0 i gael 8400000.

$$\frac{8400000}{220^{2}}$$

Cyfrifo 220 i bŵer 2 a chael 48400.

$$\frac{8400000}{48400}$$

Lleihau'r ffracsiwn \frac{8400000}{48400} i'r graddau lleiaf posib drwy dynnu a chanslo allan 400.

$$\frac{21000}{121}$$

Ffactor

$$\frac{2 ^ {3} \cdot 3 \cdot 5 ^ {3} \cdot 7}{11 ^ {2}} = 173\frac{67}{121} = 173.55371900826447$$