Question

5 +4.2 + 5 – 2. 2 - 1​

Answer 1

11

Explanation:

You would add 5 + 4.2 + 5 - 2.2 - 1 in a calculator and it would come out to be 11.

Answer 2

14.2 - 2.2 - 1
12 -1
11

Hope this helps