Datrys [(13-111/2):0.03]*0.026=

$$[ ( 13 - 11 \frac { 1 } { 2 } ) : 0.03 ] \cdot 0.026 =$$

Enrhifo

$$1.3$$

Camau Ateb

Lluosi 11 a 2 i gael 22.

$$\frac{13-\frac{22+1}{2}}{0.03}\times 0.026$$

Adio 22 a 1 i gael 23.

$$\frac{13-\frac{23}{2}}{0.03}\times 0.026$$

Troswch y rhif degol 13 i’r ffracsiwn \frac{26}{2}.

$$\frac{\frac{26}{2}-\frac{23}{2}}{0.03}\times 0.026$$

Gan fod gan \frac{26}{2} a \frac{23}{2} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{\frac{26-23}{2}}{0.03}\times 0.026$$

Tynnu 23 o 26 i gael 3.

$$\frac{\frac{3}{2}}{0.03}\times 0.026$$

Mynegwch \frac{\frac{3}{2}}{0.03} fel ffracsiwn unigol.

$$\frac{3}{2\times 0.03}\times 0.026$$

Lluosi 2 a 0.03 i gael 0.06.

$$\frac{3}{0.06}\times 0.026$$

Ehangu \frac{3}{0.06} drwy luosi'r rhifiadur a'r enwadur gyda 100.

$$\frac{300}{6}\times 0.026$$

Rhannu 300 â 6 i gael 50.

$$50\times 0.026$$

Lluosi 50 a 0.026 i gael 1.3.

$$1.3$$

Ffactor

$$\frac{13}{2 \cdot 5} = 1\frac{3}{10} = 1.3$$