Originally Posted byValeri P

(1) Parentheses

(2) Multiply and divide

(3) Add and subtract

There will be more between (1) and (2).

When in doubt, put parentheses during work.

= (2 x 10) - (3 x 2) + (12 ÷ 2)

= 20 - 6 + 6

= 20

By the way,*is multiply,/is divide.