Datrys 5+{4[2+(4+1)+2(2-1)]+3}

$$5 + \{ 4 [ 2 + ( 4 + 1 ) + 2 ( 2 - 1 ) ] + 3 \}$$

Enrhifo

$$44$$

Camau Ateb

Adio 2 a 4 i gael 6.

$$5+4\left(6+1+2\left(2-1\right)\right)+3$$

Adio 6 a 1 i gael 7.

$$5+4\left(7+2\left(2-1\right)\right)+3$$

Tynnu 1 o 2 i gael 1.

$$5+4\left(7+2\times 1\right)+3$$

Lluosi 2 a 1 i gael 2.

$$5+4\left(7+2\right)+3$$

Adio 7 a 2 i gael 9.

$$5+4\times 9+3$$

Lluosi 4 a 9 i gael 36.

$$5+36+3$$

Adio 5 a 36 i gael 41.

$$41+3$$

Adio 41 a 3 i gael 44.

$$44$$

Ffactor

$$2^{2}\times 11$$