4*2020^2-left(2*2020-1right)^2 eching

$$4 \times { 2020 }^{ 2 } - { \left(2 \times 2020-1 \right) }^{ 2 }$$

Baholash

$$8079$$

Yechim qadamlari

2 daraja ko‘rsatkichini 2020 ga hisoblang va 4080400 ni qiymatni oling.

$$4\times 4080400-\left(2\times 2020-1\right)^{2}$$

16321600 hosil qilish uchun 4 va 4080400 ni ko'paytirish.

$$16321600-\left(2\times 2020-1\right)^{2}$$

4040 hosil qilish uchun 2 va 2020 ni ko'paytirish.

$$16321600-\left(4040-1\right)^{2}$$

4039 olish uchun 4040 dan 1 ni ayirish.

$$16321600-4039^{2}$$

2 daraja ko‘rsatkichini 4039 ga hisoblang va 16313521 ni qiymatni oling.

$$16321600-16313521$$

8079 olish uchun 16321600 dan 16313521 ni ayirish.

$$8079$$

Omil

$$3\times 2693$$