41/2div24/7 eching

$$4 \frac { 1 } { 2 } \div 2 \frac { 4 } { 7 }$$

Baholash

$$\frac{7}{4}=1,75$$

Yechim qadamlari

\frac{4\times 2+1}{2} ni \frac{2\times 7+4}{7} ga bo'lish \frac{4\times 2+1}{2} ga k'paytirish \frac{2\times 7+4}{7} ga qaytarish.

$$\frac{\left(4\times 2+1\right)\times 7}{2\left(2\times 7+4\right)}$$

8 hosil qilish uchun 4 va 2 ni ko'paytirish.

$$\frac{\left(8+1\right)\times 7}{2\left(2\times 7+4\right)}$$

9 olish uchun 8 va 1'ni qo'shing.

$$\frac{9\times 7}{2\left(2\times 7+4\right)}$$

63 hosil qilish uchun 9 va 7 ni ko'paytirish.

$$\frac{63}{2\left(2\times 7+4\right)}$$

14 hosil qilish uchun 2 va 7 ni ko'paytirish.

$$\frac{63}{2\left(14+4\right)}$$

18 olish uchun 14 va 4'ni qo'shing.

$$\frac{63}{2\times 18}$$

36 hosil qilish uchun 2 va 18 ni ko'paytirish.

$$\frac{63}{36}$$

\frac{63}{36} ulushini 9 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{7}{4}$$

Omil

$$\frac{7}{2 ^ {2}} = 1\frac{3}{4} = 1,75$$