1+(3+42-6)2-(5-7)2 eching

$$1+(3+42-6)2-(5-7)2$$

Baholash

$$83$$

Yechim qadamlari

45 olish uchun 3 va 42'ni qo'shing.

$$1+\left(45-6\right)\times 2-\left(5-7\right)\times 2$$

39 olish uchun 45 dan 6 ni ayirish.

$$1+39\times 2-\left(5-7\right)\times 2$$

78 hosil qilish uchun 39 va 2 ni ko'paytirish.

$$1+78-\left(5-7\right)\times 2$$

79 olish uchun 1 va 78'ni qo'shing.

$$79-\left(5-7\right)\times 2$$

-2 olish uchun 5 dan 7 ni ayirish.

$$79-\left(-2\times 2\right)$$

-4 hosil qilish uchun -2 va 2 ni ko'paytirish.

$$79-\left(-4\right)$$

-4 ning teskarisi 4 ga teng.

$$79+4$$

83 olish uchun 79 va 4'ni qo'shing.

$$83$$

Omil

$$83$$