Вычислите устно:
а)

$\begin{array}{r}\underline{\begin{array}{r}\text{60 - 36}\\ \text{* 3}\\ \text{: 4}\\ \text{+ 27}\\ \text{: 3}\end{array}}\\ \hfill \text{?}\hfill \end{array}$

;
б)

$\begin{array}{r}\underline{\begin{array}{r}\text{55 + 25}\\ \text{: 5}\\ \text{+ 7}\\ \text{* 3}\\ \text{+ 31}\end{array}}\\ \hfill \text{?}\hfill \end{array}$

;
в)

$\begin{array}{r}\underline{\begin{array}{r}\text{75 : 25}\\ \text{* 15}\\ \text{: 9}\\ \text{* 12}\\ \text{+ 240}\end{array}}\\ \hfill \text{?}\hfill \end{array}$

;
г)

$\begin{array}{r}\underline{\begin{array}{r}\text{15 * 6}\\ \text{- 39}\\ \text{: 17}\\ \text{* 18}\\ \text{+ 46}\end{array}}\\ \hfill \text{?}\hfill \end{array}$

;
д)

$\begin{array}{r}\underline{\begin{array}{r}\text{45 + 30}\\ \text{: 15}\\ \text{* 20}\\ \text{- 34}\\ \text{: 11}\end{array}}\\ \hfill \text{?}\hfill \end{array}$

.

Решение a

Решение б

Решение в

Решение г

Решение д