Identify the terms, their coefficients for each of the following expressions.
(i) `5xyz^2-3zy`
(ii) `1+x+x^2`
(iii) `4x^2y^2-4x^2y^2z^2+z^2`
(iv) `3-pq+qr-rp`
(v) `x/2+y/2-xy`
(vi) `0.3a-0.6ab+0.5b`

Explanation

To solve the problem of identifying the terms and their coefficients in the given algebraic expressions, we will analyze each expression step by step.

### Step-by-Step Solution:

**(i) Expression: `5xyz^2 - 3zy`**
1. Identify the terms:
- The expression has two terms: `5xyz^2` and `-3zy`.
2. Identify the coefficients:
...