Per mil - practice for 12 year olds

Number of problems found: 11


We apologize, but in this category are not a lot of examples.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.



We will send a solution to your e-mail address. Solved problems are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active math competitions such as Mathematical Olympiad, correspondence seminars etc...
Our permille calculator will help you quickly calculate various typical tasks with permilles. Per mil practice problems. Maths practice for 12-year-olds.