Datrys 100*10+300*10.5+100*11/10+10.5+11

$$\frac { 100 \times 10 + 300 \times 10.5 + 100 \times 11 } { 10 + 10.5 + 11 }$$

Enrhifo

$$\frac{500}{3}\approx 166.666666667$$

Camau Ateb

Lluosi 100 a 10 i gael 1000. Lluosi 100 a 11 i gael 1100.

$$\frac{1000+300\times 10.5+1100}{10+10.5+11}$$

Lluosi 300 a 10.5 i gael 3150.

$$\frac{1000+3150+1100}{10+10.5+11}$$

Adio 1000 a 3150 i gael 4150.

$$\frac{4150+1100}{10+10.5+11}$$

Adio 4150 a 1100 i gael 5250.

$$\frac{5250}{10+10.5+11}$$

Adio 10 a 10.5 i gael 20.5.

$$\frac{5250}{20.5+11}$$

Adio 20.5 a 11 i gael 31.5.

$$\frac{5250}{31.5}$$

Ehangu \frac{5250}{31.5} drwy luosi'r rhifiadur a'r enwadur gyda 10.

$$\frac{52500}{315}$$

Lleihau'r ffracsiwn \frac{52500}{315} i'r graddau lleiaf posib drwy dynnu a chanslo allan 105.

$$\frac{500}{3}$$

Ffactor

$$\frac{2 ^ {2} \cdot 5 ^ {3}}{3} = 166\frac{2}{3} = 166.66666666666666$$