Datrys 3.14*5*2*12+3.14*5^2*2

$$3.14 \times 5 \times 2 \times 12 + 3.14 \times 5 ^ { 2 } \times 2$$

Enrhifo

$$533.8$$

Camau Ateb

Lluosi 3.14 a 5 i gael 15.7.

$$15.7\times 2\times 12+3.14\times 5^{2}\times 2$$

Lluosi 15.7 a 2 i gael 31.4.

$$31.4\times 12+3.14\times 5^{2}\times 2$$

Lluosi 31.4 a 12 i gael 376.8.

$$376.8+3.14\times 5^{2}\times 2$$

Cyfrifo 5 i bŵer 2 a chael 25.

$$376.8+3.14\times 25\times 2$$

Lluosi 3.14 a 25 i gael 78.5.

$$376.8+78.5\times 2$$

Lluosi 78.5 a 2 i gael 157.

$$376.8+157$$

Adio 376.8 a 157 i gael 533.8.

$$533.8$$

Ffactor

$$\frac{17 \cdot 157}{5} = 533\frac{4}{5} = 533.8$$