Datrys 38000+52000+85000/(1+10.5%)

$$\frac { 38000 + 52000 + 85000 } { ( 1 + 10.5 \% ) }$$

Enrhifo

$$\frac{35000000}{221}\approx 158371.040723982$$

Camau Ateb

Adio 38000 a 52000 i gael 90000.

$$\frac{90000+85000}{1+\frac{10.5}{100}}$$

Adio 90000 a 85000 i gael 175000.

$$\frac{175000}{1+\frac{10.5}{100}}$$

Ehangu \frac{10.5}{100} drwy luosi'r rhifiadur a'r enwadur gyda 10.

$$\frac{175000}{1+\frac{105}{1000}}$$

Lleihau'r ffracsiwn \frac{105}{1000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 5.

$$\frac{175000}{1+\frac{21}{200}}$$

Troswch y rhif degol 1 i’r ffracsiwn \frac{200}{200}.

$$\frac{175000}{\frac{200}{200}+\frac{21}{200}}$$

Gan fod gan \frac{200}{200} a \frac{21}{200} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{175000}{\frac{200+21}{200}}$$

Adio 200 a 21 i gael 221.

$$\frac{175000}{\frac{221}{200}}$$

Rhannwch 175000 â \frac{221}{200} drwy luosi 175000 â chilydd \frac{221}{200}.

$$175000\times \frac{200}{221}$$

Mynegwch 175000\times \frac{200}{221} fel ffracsiwn unigol.

$$\frac{175000\times 200}{221}$$

Lluosi 175000 a 200 i gael 35000000.

$$\frac{35000000}{221}$$

Ffactor

$$\frac{7 \cdot 2 ^ {6} \cdot 5 ^ {7}}{13 \cdot 17} = 158371\frac{9}{221} = 158371.0407239819$$