27dm*25dm eching

$$27 dm \cdot 25 dm$$

Baholash

$$675\left(dm\right)^{2}$$

Ko'paytirishning kommutativ xususiyatdan foydalanish qadamlari

Ifodani qisqartirish uchun eksponent qoidalaridan foydalanish.

$$27^{1}d^{1}m^{1}\times 25^{1}d^{1}m^{1}$$

Ko'paytirishning kommutativ xususiyatidan foydalanish.

$$27^{1}\times 25^{1}d^{1}d^{1}m^{1}m^{1}$$

Ayni daraja ko'rsatkichlarini ko'paytirish uchun ularning darajalarini qo'shing.

$$27^{1}\times 25^{1}d^{1+1}m^{1+1}$$

1 va 1 belgilarini qo'shish.

$$27^{1}\times 25^{1}d^{2}m^{1+1}$$

1 va 1 belgilarini qo'shish.

$$27^{1}\times 25^{1}d^{2}m^{2}$$

27 ni 25 marotabaga ko'paytirish.

$$675d^{2}m^{2}$$

d ga nisbatan hosilani topish

$$1350dm^{2}$$