Datrys (x-3*10^2*4)div(9*10^2*8)

$$(x-3 \times { 10 }^{ 2 \times 4 } ) \div (9 \times { 10 }^{ 2 \times 8 } )$$

Enrhifo

$$\frac{x-300000000}{90000000000000000}$$

Camau Ateb

Lluosi 2 a 4 i gael 8.

$$\frac{x-3\times 10^{8}}{9\times 10^{2\times 8}}$$

Cyfrifo 10 i bŵer 8 a chael 100000000.

$$\frac{x-3\times 100000000}{9\times 10^{2\times 8}}$$

Lluosi 3 a 100000000 i gael 300000000.

$$\frac{x-300000000}{9\times 10^{2\times 8}}$$

Lluosi 2 a 8 i gael 16.

$$\frac{x-300000000}{9\times 10^{16}}$$

Cyfrifo 10 i bŵer 16 a chael 10000000000000000.

$$\frac{x-300000000}{9\times 10000000000000000}$$

Lluosi 9 a 10000000000000000 i gael 90000000000000000.

$$\frac{x-300000000}{90000000000000000}$$

Gwahaniaethu w.r.t. x

$$\frac{1}{90000000000000000} = 1.111111111111111 \times 10^{-17}$$