4(-5(2(3-4)+7(42-43+2)+3(15-17)-3(12-14)[phone]= eching

$$4(-5(2(3-4)+7(42-43+2)+3(15-17)-3(12-14)[phone]=$$

Baholash

$$-216$$

Yechim qadamlari

-1 olish uchun 3 dan 4 ni ayirish.

$$4\left(-5\left(2\left(-1\right)+7\left(42-43+2\right)+3\left(15-17\right)-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-2 hosil qilish uchun 2 va -1 ni ko'paytirish.

$$4\left(-5\left(-2+7\left(42-43+2\right)+3\left(15-17\right)-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-1 olish uchun 42 dan 43 ni ayirish.

$$4\left(-5\left(-2+7\left(-1+2\right)+3\left(15-17\right)-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

1 olish uchun -1 va 2'ni qo'shing.

$$4\left(-5\left(-2+7+3\left(15-17\right)-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

5 olish uchun -2 va 7'ni qo'shing.

$$4\left(-5\left(5+3\left(15-17\right)-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-2 olish uchun 15 dan 17 ni ayirish.

$$4\left(-5\left(5+3\left(-2\right)-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-6 hosil qilish uchun 3 va -2 ni ko'paytirish.

$$4\left(-5\left(5-6-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-1 olish uchun 5 dan 6 ni ayirish.

$$4\left(-5\left(-1-3\left(12-14\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-2 olish uchun 12 dan 14 ni ayirish.

$$4\left(-5\left(-1-3\left(-2\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-6 hosil qilish uchun 3 va -2 ni ko'paytirish.

$$4\left(-5\left(-1-\left(-6\right)+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

-6 ning teskarisi 6 ga teng.

$$4\left(-5\left(-1+6+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

5 olish uchun -1 va 6'ni qo'shing.

$$4\left(-5\left(5+7\right)-3\left(21\left(39-39\right)-2\right)\right)$$

12 olish uchun 5 va 7'ni qo'shing.

$$4\left(-5\times 12-3\left(21\left(39-39\right)-2\right)\right)$$

-60 hosil qilish uchun -5 va 12 ni ko'paytirish.

$$4\left(-60-3\left(21\left(39-39\right)-2\right)\right)$$

0 olish uchun 39 dan 39 ni ayirish.

$$4\left(-60-3\left(21\times 0-2\right)\right)$$

0 hosil qilish uchun 21 va 0 ni ko'paytirish.

$$4\left(-60-3\left(0-2\right)\right)$$

-2 olish uchun 0 dan 2 ni ayirish.

$$4\left(-60-3\left(-2\right)\right)$$

-6 hosil qilish uchun 3 va -2 ni ko'paytirish.

$$4\left(-60-\left(-6\right)\right)$$

-6 ning teskarisi 6 ga teng.

$$4\left(-60+6\right)$$

-54 olish uchun -60 va 6'ni qo'shing.

$$4\left(-54\right)$$

-216 hosil qilish uchun 4 va -54 ni ko'paytirish.

$$-216$$

Omil

$$-216$$