2+5^2-28^2:4^2 eching

$$2 + 5 ^ { 2 } - 28 ^ { 2 } : 4 ^ { 2 }$$

Baholash

$$-22$$

Yechim qadamlari

2 daraja ko‘rsatkichini 5 ga hisoblang va 25 ni qiymatni oling.

$$2+25-\frac{28^{2}}{4^{2}}$$

27 olish uchun 2 va 25'ni qo'shing.

$$27-\frac{28^{2}}{4^{2}}$$

2 daraja ko‘rsatkichini 28 ga hisoblang va 784 ni qiymatni oling.

$$27-\frac{784}{4^{2}}$$

2 daraja ko‘rsatkichini 4 ga hisoblang va 16 ni qiymatni oling.

$$27-\frac{784}{16}$$

49 ni olish uchun 784 ni 16 ga bo‘ling.

$$27-49$$

-22 olish uchun 27 dan 49 ni ayirish.

$$-22$$

Omil

$$-22$$