{30+9^2*4div3+[1+3^2*5+2]+2*8^2div2+(4*5div2^2)+(-70)-4} eching

$$\{ 30 + 9 ^ { 2 } \times 4 \div 3 + [ 1 + 3 ^ { 2 } \times 5 + 2 ] + 2 \times 8 ^ { 2 } \div 2 + ( 4 \times 5 \div 2 ^ { 2 } ) + ( - 70 ) - 4 \}$$

Baholash

$$181$$

Yechim qadamlari

2 daraja ko‘rsatkichini 9 ga hisoblang va 81 ni qiymatni oling.

$$30+\frac{81\times 4}{3}+1+3^{2}\times 5+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

324 hosil qilish uchun 81 va 4 ni ko'paytirish.

$$30+\frac{324}{3}+1+3^{2}\times 5+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

108 ni olish uchun 324 ni 3 ga bo‘ling.

$$30+108+1+3^{2}\times 5+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

138 olish uchun 30 va 108'ni qo'shing.

$$138+1+3^{2}\times 5+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

139 olish uchun 138 va 1'ni qo'shing.

$$139+3^{2}\times 5+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

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

$$139+9\times 5+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

45 hosil qilish uchun 9 va 5 ni ko'paytirish.

$$139+45+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

184 olish uchun 139 va 45'ni qo'shing.

$$184+2+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

186 olish uchun 184 va 2'ni qo'shing.

$$186+\frac{2\times 8^{2}}{2}+\frac{4\times 5}{2^{2}}-70-4$$

2 va 2 ni qisqartiring.

$$186+8^{2}+\frac{4\times 5}{2^{2}}-70-4$$

2 daraja ko‘rsatkichini 8 ga hisoblang va 64 ni qiymatni oling.

$$186+64+\frac{4\times 5}{2^{2}}-70-4$$

250 olish uchun 186 va 64'ni qo'shing.

$$250+\frac{4\times 5}{2^{2}}-70-4$$

20 hosil qilish uchun 4 va 5 ni ko'paytirish.

$$250+\frac{20}{2^{2}}-70-4$$

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

$$250+\frac{20}{4}-70-4$$

5 ni olish uchun 20 ni 4 ga bo‘ling.

$$250+5-70-4$$

255 olish uchun 250 va 5'ni qo'shing.

$$255-70-4$$

185 olish uchun 255 dan 70 ni ayirish.

$$185-4$$

181 olish uchun 185 dan 4 ni ayirish.

$$181$$

Omil

$$181$$