Datrys 33/2div11/7

$$3 \frac { 3 } { 2 } \div 1 \frac { 1 } { 7 }$$

Enrhifo

$$\frac{63}{16}=3.9375$$

Camau Ateb

Rhannwch \frac{3\times 2+3}{2} â \frac{1\times 7+1}{7} drwy luosi \frac{3\times 2+3}{2} â chilydd \frac{1\times 7+1}{7}.

$$\frac{\left(3\times 2+3\right)\times 7}{2\left(1\times 7+1\right)}$$

Lluosi 3 a 2 i gael 6.

$$\frac{\left(6+3\right)\times 7}{2\left(1\times 7+1\right)}$$

Adio 6 a 3 i gael 9.

$$\frac{9\times 7}{2\left(1\times 7+1\right)}$$

Lluosi 9 a 7 i gael 63.

$$\frac{63}{2\left(1\times 7+1\right)}$$

Lluosi 1 a 7 i gael 7.

$$\frac{63}{2\left(7+1\right)}$$

Adio 7 a 1 i gael 8.

$$\frac{63}{2\times 8}$$

Lluosi 2 a 8 i gael 16.

$$\frac{63}{16}$$

Ffactor

$$\frac{3 ^ {2} \cdot 7}{2 ^ {4}} = 3\frac{15}{16} = 3.9375$$