7-8.4*0.1+3*(-4*0.25+3^2)+4.1+2 eching

$$7 - 8.4 \cdot 0.1 + 3 \cdot ( - 4 \cdot 0.25 + 3 ^ { 2 } ) + 4.1 + 2$$

Baholash

$$36,26$$

Yechim qadamlari

0,84 hosil qilish uchun 8,4 va 0,1 ni ko'paytirish.

$$7-0,84+3\left(-4\times 0,25+3^{2}\right)+4,1+2$$

6,16 olish uchun 7 dan 0,84 ni ayirish.

$$6,16+3\left(-4\times 0,25+3^{2}\right)+4,1+2$$

-1 hosil qilish uchun -4 va 0,25 ni ko'paytirish.

$$6,16+3\left(-1+3^{2}\right)+4,1+2$$

2 daraja ko‘rsatkichini 3 ga hisoblang va 9 ni qiymatni oling.

$$6,16+3\left(-1+9\right)+4,1+2$$

8 olish uchun -1 va 9'ni qo'shing.

$$6,16+3\times 8+4,1+2$$

24 hosil qilish uchun 3 va 8 ni ko'paytirish.

$$6,16+24+4,1+2$$

30,16 olish uchun 6,16 va 24'ni qo'shing.

$$30,16+4,1+2$$

34,26 olish uchun 30,16 va 4,1'ni qo'shing.

$$34,26+2$$

36,26 olish uchun 34,26 va 2'ni qo'shing.

$$36,26$$

Omil

$$\frac{37 \cdot 7 ^ {2}}{2 \cdot 5 ^ {2}} = 36\frac{13}{50} = 36,26$$