4mn^3/20m^2n^4= eching

$$\frac { 4 m n ^ { 3 } } { 20 m ^ { 2 } n ^ { 4 } } =$$

Baholash

$$\frac{1}{5mn}$$

Tartib xususiyati koeffitsientidan foydalanish qadamlari

Ifodani qisqartirish uchun eksponent qoidalaridan foydalanish.

$$\frac{4^{1}m^{1}n^{3}}{20^{1}m^{2}n^{4}}$$

Ayni asosning daraja ko'rsatkichi bo'lish uchun maxrajning darajasini surat darajasidan bo'ling.

$$\frac{4^{1}}{20^{1}}m^{1-2}n^{3-4}$$

1 dan 2 ni ayirish.

$$\frac{4^{1}}{20^{1}}\times \frac{1}{m}n^{3-4}$$

3 dan 4 ni ayirish.

$$\frac{4^{1}}{20^{1}}\times \frac{1}{m}\times \frac{1}{n}$$

\frac{4}{20} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1}{5}\times \frac{1}{m}\times \frac{1}{n}$$

n ga nisbatan hosilani topish

$$-\frac{1}{5mn^{2}}$$