19div19*0-2+5*60div15(-20+15div5*17*0-2div2+1)-2*5div5*0 eching

$$19 \div 19 \times 0-2+5 \times 60 \div 15(-20+15 \div 5 \times 17 \times 0-2 \div 2+1)-2 \times 5 \div 5 \times 0$$

Baholash

$$-402$$

Yechim qadamlari

1 ni olish uchun 19 ni 19 ga bo‘ling.

$$1\times 0-2+\frac{5\times 60}{15}\left(-20+\frac{15}{5}\times 17\times 0-\frac{2}{2}+1\right)-\frac{2\times 5}{5}\times 0$$

1 ni olish uchun 2 ni 2 ga bo‘ling.

$$1\times 0-2+\frac{5\times 60}{15}\left(-20+\frac{15}{5}\times 17\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

0 hosil qilish uchun 1 va 0 ni ko'paytirish.

$$0-2+\frac{5\times 60}{15}\left(-20+\frac{15}{5}\times 17\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

-2 olish uchun 0 dan 2 ni ayirish.

$$-2+\frac{5\times 60}{15}\left(-20+\frac{15}{5}\times 17\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

300 hosil qilish uchun 5 va 60 ni ko'paytirish.

$$-2+\frac{300}{15}\left(-20+\frac{15}{5}\times 17\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

20 ni olish uchun 300 ni 15 ga bo‘ling.

$$-2+20\left(-20+\frac{15}{5}\times 17\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

3 ni olish uchun 15 ni 5 ga bo‘ling.

$$-2+20\left(-20+3\times 17\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

51 hosil qilish uchun 3 va 17 ni ko'paytirish.

$$-2+20\left(-20+51\times 0-1+1\right)-\frac{2\times 5}{5}\times 0$$

0 hosil qilish uchun 51 va 0 ni ko'paytirish.

$$-2+20\left(-20+0-1+1\right)-\frac{2\times 5}{5}\times 0$$

-20 olish uchun -20 va 0'ni qo'shing.

$$-2+20\left(-20-1+1\right)-\frac{2\times 5}{5}\times 0$$

-21 olish uchun -20 dan 1 ni ayirish.

$$-2+20\left(-21+1\right)-\frac{2\times 5}{5}\times 0$$

-20 olish uchun -21 va 1'ni qo'shing.

$$-2+20\left(-20\right)-\frac{2\times 5}{5}\times 0$$

-400 hosil qilish uchun 20 va -20 ni ko'paytirish.

$$-2-400-\frac{2\times 5}{5}\times 0$$

-402 olish uchun -2 dan 400 ni ayirish.

$$-402-\frac{2\times 5}{5}\times 0$$

5 va 5 ni qisqartiring.

$$-402-2\times 0$$

0 hosil qilish uchun 2 va 0 ni ko'paytirish.

$$-402-0$$

-402 olish uchun -402 dan 0 ni ayirish.

$$-402$$

Omil

$$-402$$