2*4^-1*14*3*5/2^-1*10*92= eching

$$\frac { 2 \cdot 4 ^ { - 1 } \cdot 14 \cdot 3 \cdot 5 } { 2 ^ { - 1 } \cdot 10 \cdot 92 } =$$

Baholash

$$\frac{21}{92}\approx 0,22826087$$

Yechim qadamlari

Surat va maxrajdagi ikkala 2\times 2\times 5 ni qisqartiring.

$$\frac{3\times 7\times \frac{1}{4}}{46\times \frac{1}{2}}$$

21 hosil qilish uchun 3 va 7 ni ko'paytirish.

$$\frac{21\times \frac{1}{4}}{46\times \frac{1}{2}}$$

\frac{21}{4} hosil qilish uchun 21 va \frac{1}{4} ni ko'paytirish.

$$\frac{\frac{21}{4}}{46\times \frac{1}{2}}$$

23 hosil qilish uchun 46 va \frac{1}{2} ni ko'paytirish.

$$\frac{\frac{21}{4}}{23}$$

\frac{\frac{21}{4}}{23} ni yagona kasrga aylantiring.

$$\frac{21}{4\times 23}$$

92 hosil qilish uchun 4 va 23 ni ko'paytirish.

$$\frac{21}{92}$$

Omil

$$\frac{3 \cdot 7}{2 ^ {2} \cdot 23} = 0,22826086956521738$$