10^3*98*120*10^-3-10^3*98*200*10^-3-920*98*120*{10}^-3 eching

$${ 10 }^{ 3 } \times 98 \times 120 \times { 10 }^{ -3 } - { 10 }^{ 3 } \times 98 \times 200 \times { 10 }^{ -3 } -920 \times 98 \times 120 \times { 10 }^{ -3 }$$

Baholash

$$-\frac{93296}{5}=-18659,2$$

Yechim qadamlari

1 hosil qilish uchun 10^{3} va 10^{-3} ni ko'paytirish.

$$98\times 120-10^{3}\times 98\times 200\times 10^{-3}-920\times 98\times 120\times 10^{-3}$$

1 hosil qilish uchun 10^{3} va 10^{-3} ni ko'paytirish.

$$98\times 120-98\times 200-920\times 98\times 120\times 10^{-3}$$

11760 hosil qilish uchun 98 va 120 ni ko'paytirish.

$$11760-98\times 200-920\times 98\times 120\times 10^{-3}$$

19600 hosil qilish uchun 98 va 200 ni ko'paytirish.

$$11760-19600-920\times 98\times 120\times 10^{-3}$$

-7840 olish uchun 11760 dan 19600 ni ayirish.

$$-7840-920\times 98\times 120\times 10^{-3}$$

90160 hosil qilish uchun 920 va 98 ni ko'paytirish.

$$-7840-90160\times 120\times 10^{-3}$$

10819200 hosil qilish uchun 90160 va 120 ni ko'paytirish.

$$-7840-10819200\times 10^{-3}$$

-3 daraja ko‘rsatkichini 10 ga hisoblang va \frac{1}{1000} ni qiymatni oling.

$$-7840-10819200\times \frac{1}{1000}$$

\frac{54096}{5} hosil qilish uchun 10819200 va \frac{1}{1000} ni ko'paytirish.

$$-7840-\frac{54096}{5}$$

-\frac{93296}{5} olish uchun -7840 dan \frac{54096}{5} ni ayirish.

$$-\frac{93296}{5}$$

Omil

$$-\frac{93296}{5} = -18659\frac{1}{5} = -18659,2$$