Datrys 1(-2)+3(2)/1+31(3)+3(35)/1+3

$$\frac { 1 ( - 2 ) + 3 ( 2 ) } { 1 + 3 } \frac { 1 ( 3 ) + 3 ( 35 ) } { 1 + 3 }$$

Enrhifo

$$27$$

Camau Ateb

Lluosi 1 a -2 i gael -2. Lluosi 3 a 2 i gael 6.

$$\frac{-2+6}{1+3}\times \frac{1\times 3+3\times 35}{1+3}$$

Adio -2 a 6 i gael 4.

$$\frac{4}{1+3}\times \frac{1\times 3+3\times 35}{1+3}$$

Adio 1 a 3 i gael 4.

$$\frac{4}{4}\times \frac{1\times 3+3\times 35}{1+3}$$

Rhannu 4 â 4 i gael 1.

$$1\times \frac{1\times 3+3\times 35}{1+3}$$

Lluosi 1 a 3 i gael 3. Lluosi 3 a 35 i gael 105.

$$1\times \frac{3+105}{1+3}$$

Adio 3 a 105 i gael 108.

$$1\times \frac{108}{1+3}$$

Adio 1 a 3 i gael 4.

$$1\times \frac{108}{4}$$

Rhannu 108 â 4 i gael 27.

$$1\times 27$$

Lluosi 1 a 27 i gael 27.

$$27$$

Ffactor

$$3^{3}$$