55/8div12/7 eching

$$5 \frac { 5 } { 8 } \div 1 \frac { 2 } { 7 }$$

Baholash

$$\frac{35}{8}=4,375$$

Yechim qadamlari

\frac{5\times 8+5}{8} ni \frac{1\times 7+2}{7} ga bo'lish \frac{5\times 8+5}{8} ga k'paytirish \frac{1\times 7+2}{7} ga qaytarish.

$$\frac{\left(5\times 8+5\right)\times 7}{8\left(1\times 7+2\right)}$$

40 hosil qilish uchun 5 va 8 ni ko'paytirish.

$$\frac{\left(40+5\right)\times 7}{8\left(1\times 7+2\right)}$$

45 olish uchun 40 va 5'ni qo'shing.

$$\frac{45\times 7}{8\left(1\times 7+2\right)}$$

315 hosil qilish uchun 45 va 7 ni ko'paytirish.

$$\frac{315}{8\left(1\times 7+2\right)}$$

7 hosil qilish uchun 1 va 7 ni ko'paytirish.

$$\frac{315}{8\left(7+2\right)}$$

9 olish uchun 7 va 2'ni qo'shing.

$$\frac{315}{8\times 9}$$

72 hosil qilish uchun 8 va 9 ni ko'paytirish.

$$\frac{315}{72}$$

\frac{315}{72} ulushini 9 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{35}{8}$$

Omil

$$\frac{5 \cdot 7}{2 ^ {3}} = 4\frac{3}{8} = 4,375$$