Datrys (9998%*1)+(2*02%)+(3*00%)

$$(9998 \% \times 1)+(2 \times 02 \% )+(3 \times 00 \% )$$

Enrhifo

$$\frac{4999}{50}=99.98$$

Camau Ateb

Lluosi 2 a 0 i gael 0. Lluosi 3 a 0 i gael 0.

$$\frac{9998}{100}\times 1+0\times \frac{2}{100}+0\times \frac{0}{100}$$

Lleihau'r ffracsiwn \frac{9998}{100} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\frac{4999}{50}\times 1+0\times \frac{2}{100}+0\times \frac{0}{100}$$

Lluosi \frac{4999}{50} a 1 i gael \frac{4999}{50}.

$$\frac{4999}{50}+0\times \frac{2}{100}+0\times \frac{0}{100}$$

Lleihau'r ffracsiwn \frac{2}{100} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\frac{4999}{50}+0\times \frac{1}{50}+0\times \frac{0}{100}$$

Lluosi 0 a \frac{1}{50} i gael 0.

$$\frac{4999}{50}+0+0\times \frac{0}{100}$$

Adio \frac{4999}{50} a 0 i gael \frac{4999}{50}.

$$\frac{4999}{50}+0\times \frac{0}{100}$$

Mae rhannu sero â unrhyw rif nad yw'n yn sero yn rhoi sero.

$$\frac{4999}{50}+0\times 0$$

Lluosi 0 a 0 i gael 0.

$$\frac{4999}{50}+0$$

Adio \frac{4999}{50} a 0 i gael \frac{4999}{50}.

$$\frac{4999}{50}$$

Ffactor

$$\frac{4999}{2 \cdot 5 ^ {2}} = 99\frac{49}{50} = 99.98$$