4div3/7-1/4*2 eching

$$4 \div \frac { \frac { 3 } { 7 } - 1 } { 4 } \cdot 2$$

Baholash

$$-56$$

Yechim qadamlari

4 ni \frac{\frac{3}{7}-1}{4} ga bo'lish 4 ga k'paytirish \frac{\frac{3}{7}-1}{4} ga qaytarish.

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

16 hosil qilish uchun 4 va 4 ni ko'paytirish.

$$\frac{16}{\frac{3}{7}-1}\times 2$$

1 ni \frac{7}{7} kasrga o‘giring.

$$\frac{16}{\frac{3}{7}-\frac{7}{7}}\times 2$$

\frac{3}{7} va \frac{7}{7} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{16}{\frac{3-7}{7}}\times 2$$

-4 olish uchun 3 dan 7 ni ayirish.

$$\frac{16}{-\frac{4}{7}}\times 2$$

16 ni -\frac{4}{7} ga bo'lish 16 ga k'paytirish -\frac{4}{7} ga qaytarish.

$$16\left(-\frac{7}{4}\right)\times 2$$

16\left(-\frac{7}{4}\right) ni yagona kasrga aylantiring.

$$\frac{16\left(-7\right)}{4}\times 2$$

-112 hosil qilish uchun 16 va -7 ni ko'paytirish.

$$\frac{-112}{4}\times 2$$

-28 ni olish uchun -112 ni 4 ga bo‘ling.

$$-28\times 2$$

-56 hosil qilish uchun -28 va 2 ni ko'paytirish.

$$-56$$

Omil

$$-56$$