(-3)*(2/-14)*(-3/12)*1/15 eching

$$( - 3 ) \times ( \frac { 2 } { - 14 } ) \times ( \frac { - 3 } { 12 } ) \times \frac { 1 } { 15 }$$

Baholash

$$-\frac{1}{140}\approx -0,007142857$$

Yechim qadamlari

\frac{2}{-14} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-3\left(-\frac{1}{7}\right)\times \frac{-3}{12}\times \frac{1}{15}$$

-3\left(-\frac{1}{7}\right) ni yagona kasrga aylantiring.

$$\frac{-3\left(-1\right)}{7}\times \frac{-3}{12}\times \frac{1}{15}$$

3 hosil qilish uchun -3 va -1 ni ko'paytirish.

$$\frac{3}{7}\times \frac{-3}{12}\times \frac{1}{15}$$

\frac{-3}{12} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{3}{7}\left(-\frac{1}{4}\right)\times \frac{1}{15}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{7} ni -\frac{1}{4} ga ko‘paytiring.

$$\frac{3\left(-1\right)}{7\times 4}\times \frac{1}{15}$$

\frac{3\left(-1\right)}{7\times 4} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-3}{28}\times \frac{1}{15}$$

\frac{-3}{28} kasri manfiy belgini olib tashlash bilan -\frac{3}{28} sifatida qayta yozilishi mumkin.

$$-\frac{3}{28}\times \frac{1}{15}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{3}{28} ni \frac{1}{15} ga ko‘paytiring.

$$\frac{-3}{28\times 15}$$

\frac{-3}{28\times 15} kasridagi ko‘paytirishlarni bajaring.

$$\frac{-3}{420}$$

\frac{-3}{420} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{1}{140}$$

Omil

$$-\frac{1}{140} = -0,007142857142857143$$