1+2--3-4+5+6-7--8*+9 eching

$$1+2--3-4+5+6-7--8 \times +9$$

Baholash

$$78$$

Yechim qadamlari

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

$$3-\left(-3\right)-4+5+6-7-\left(-8\times 9\right)$$

-3 ning teskarisi 3 ga teng.

$$3+3-4+5+6-7-\left(-8\times 9\right)$$

6 olish uchun 3 va 3'ni qo'shing.

$$6-4+5+6-7-\left(-8\times 9\right)$$

2 olish uchun 6 dan 4 ni ayirish.

$$2+5+6-7-\left(-8\times 9\right)$$

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

$$7+6-7-\left(-8\times 9\right)$$

13 olish uchun 7 va 6'ni qo'shing.

$$13-7-\left(-8\times 9\right)$$

6 olish uchun 13 dan 7 ni ayirish.

$$6-\left(-8\times 9\right)$$

-72 hosil qilish uchun -8 va 9 ni ko'paytirish.

$$6-\left(-72\right)$$

-72 ning teskarisi 72 ga teng.

$$6+72$$

78 olish uchun 6 va 72'ni qo'shing.

$$78$$

Omil

$$2\times 3\times 13$$