Datrys 4000div2175*(2175+475+2175*04)+500

$$4000 \div 2175 \times (2175+475+2175 \times 04)+500$$

Enrhifo

$$\frac{467500}{87}\approx 5373.563218391$$

Camau Ateb

Lleihau'r ffracsiwn \frac{4000}{2175} i'r graddau lleiaf posib drwy dynnu a chanslo allan 25.

$$\frac{160}{87}\left(2175+475+2175\times 0\times 4\right)+500$$

Adio 2175 a 475 i gael 2650.

$$\frac{160}{87}\left(2650+2175\times 0\times 4\right)+500$$

Lluosi 2175 a 0 i gael 0.

$$\frac{160}{87}\left(2650+0\times 4\right)+500$$

Lluosi 0 a 4 i gael 0.

$$\frac{160}{87}\left(2650+0\right)+500$$

Adio 2650 a 0 i gael 2650.

$$\frac{160}{87}\times 2650+500$$

Mynegwch \frac{160}{87}\times 2650 fel ffracsiwn unigol.

$$\frac{160\times 2650}{87}+500$$

Lluosi 160 a 2650 i gael 424000.

$$\frac{424000}{87}+500$$

Troswch y rhif degol 500 i’r ffracsiwn \frac{43500}{87}.

$$\frac{424000}{87}+\frac{43500}{87}$$

Gan fod gan \frac{424000}{87} a \frac{43500}{87} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{424000+43500}{87}$$

Adio 424000 a 43500 i gael 467500.

$$\frac{467500}{87}$$

Ffactor

$$\frac{2 ^ {2} \cdot 5 ^ {4} \cdot 11 \cdot 17}{3 \cdot 29} = 5373\frac{49}{87} = 5373.563218390805$$