4:80^1-5^4div(-25)*(-3)-769^0=? eching

$$4 : 80 ^ { 1 } - 5 ^ { 4 } \div ( - 25 ) \times ( - 3 ) - 769 ^ { 0 } = ?$$

Baholash

$$-\frac{1519}{20}=-75,95$$

Yechim qadamlari

1 daraja ko‘rsatkichini 80 ga hisoblang va 80 ni qiymatni oling.

$$\frac{4}{80}-\frac{5^{4}}{-25}\left(-3\right)-769^{0}$$

\frac{4}{80} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1}{20}-\frac{5^{4}}{-25}\left(-3\right)-769^{0}$$

4 daraja ko‘rsatkichini 5 ga hisoblang va 625 ni qiymatni oling.

$$\frac{1}{20}-\frac{625}{-25}\left(-3\right)-769^{0}$$

-25 ni olish uchun 625 ni -25 ga bo‘ling.

$$\frac{1}{20}-\left(-25\left(-3\right)\right)-769^{0}$$

75 hosil qilish uchun -25 va -3 ni ko'paytirish.

$$\frac{1}{20}-75-769^{0}$$

-\frac{1499}{20} olish uchun \frac{1}{20} dan 75 ni ayirish.

$$-\frac{1499}{20}-769^{0}$$

0 daraja ko‘rsatkichini 769 ga hisoblang va 1 ni qiymatni oling.

$$-\frac{1499}{20}-1$$

-\frac{1519}{20} olish uchun -\frac{1499}{20} dan 1 ni ayirish.

$$-\frac{1519}{20}$$

Omil

$$-\frac{1519}{20} = -75\frac{19}{20} = -75,95$$