101/2div31/8 eching

$$10 \frac { 1 } { 2 } \div 3 \frac { 1 } { 8 }$$

Baholash

$$\frac{84}{25}=3,36$$

Yechim qadamlari

\frac{10\times 2+1}{2} ni \frac{3\times 8+1}{8} ga bo'lish \frac{10\times 2+1}{2} ga k'paytirish \frac{3\times 8+1}{8} ga qaytarish.

$$\frac{\left(10\times 2+1\right)\times 8}{2\left(3\times 8+1\right)}$$

Surat va maxrajdagi ikkala 2 ni qisqartiring.

$$\frac{4\left(1+2\times 10\right)}{1+3\times 8}$$

20 hosil qilish uchun 2 va 10 ni ko'paytirish.

$$\frac{4\left(1+20\right)}{1+3\times 8}$$

21 olish uchun 1 va 20'ni qo'shing.

$$\frac{4\times 21}{1+3\times 8}$$

84 hosil qilish uchun 4 va 21 ni ko'paytirish.

$$\frac{84}{1+3\times 8}$$

24 hosil qilish uchun 3 va 8 ni ko'paytirish.

$$\frac{84}{1+24}$$

25 olish uchun 1 va 24'ni qo'shing.

$$\frac{84}{25}$$

Omil

$$\frac{2 ^ {2} \cdot 3 \cdot 7}{5 ^ {2}} = 3\frac{9}{25} = 3,36$$