71/12*18:(-51) eching

$$7 \frac { 1 } { 12 } \cdot 18 : ( - 51 )$$

Baholash

$$-\frac{5}{2}=-2,5$$

Yechim qadamlari

84 hosil qilish uchun 7 va 12 ni ko'paytirish.

$$\frac{\frac{84+1}{12}\times 18}{-51}$$

85 olish uchun 84 va 1'ni qo'shing.

$$\frac{\frac{85}{12}\times 18}{-51}$$

\frac{85}{12}\times 18 ni yagona kasrga aylantiring.

$$\frac{\frac{85\times 18}{12}}{-51}$$

1530 hosil qilish uchun 85 va 18 ni ko'paytirish.

$$\frac{\frac{1530}{12}}{-51}$$

\frac{1530}{12} ulushini 6 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{\frac{255}{2}}{-51}$$

\frac{\frac{255}{2}}{-51} ni yagona kasrga aylantiring.

$$\frac{255}{2\left(-51\right)}$$

-102 hosil qilish uchun 2 va -51 ni ko'paytirish.

$$\frac{255}{-102}$$

\frac{255}{-102} ulushini 51 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{5}{2}$$

Omil

$$-\frac{5}{2} = -2\frac{1}{2} = -2,5$$