Need help with these problems please. I do not know how to break them down correctly. Thank you.

4x7+6-10 divided by 5

7-16x3 divided by 8+5

25 divided by 5x5+6-4

2 answers

Parentheses are needed to indicate the order of operations, otherwise many different answers are possible for each. You do not have to assume that you proceed from left to right.
56/7= ones/7