Datrys 7-84*01+3*(-4*025+3^2)+41+2

$$7 - 84 \cdot 01 + 3 \cdot ( - 4 \cdot 025 + 3 ^ { 2 } ) + 41 + 2$$

Enrhifo

$$77$$

Camau Ateb

Lluosi 84 a 0 i gael 0.

$$7-0\times 1+3\left(-4\times 0\times 25+3^{2}\right)+41+2$$

Lluosi 0 a 1 i gael 0.

$$7-0+3\left(-4\times 0\times 25+3^{2}\right)+41+2$$

Tynnu 0 o 7 i gael 7.

$$7+3\left(-4\times 0\times 25+3^{2}\right)+41+2$$

Lluosi -4 a 0 i gael 0.

$$7+3\left(0\times 25+3^{2}\right)+41+2$$

Lluosi 0 a 25 i gael 0.

$$7+3\left(0+3^{2}\right)+41+2$$

Cyfrifo 3 i bŵer 2 a chael 9.

$$7+3\left(0+9\right)+41+2$$

Adio 0 a 9 i gael 9.

$$7+3\times 9+41+2$$

Lluosi 3 a 9 i gael 27.

$$7+27+41+2$$

Adio 7 a 27 i gael 34.

$$34+41+2$$

Adio 34 a 41 i gael 75.

$$75+2$$

Adio 75 a 2 i gael 77.

$$77$$

Ffactor

$$7\times 11$$