In the expression \( su + 1 + s + 6st \), the terms are the individual parts that are added or subtracted from each other. Here are the terms in the expression:
- \( su \)
- \( 1 \)
- \( s \)
- \( 6st \)
Thus, all the parts listed above are the terms in the expression \( su + 1 + s + 6st \).