Opposite What Is The Opposite And The Reciprocal Of Numbers?

What is the opposite and the reciprocal of numbers? - opposite

Just in the school and gave us our first task in algebra 2nd Of course, after a long summer, which seems to forget a few things. It's still in our heads, but that only fills in the smallest corner.

Thus, some of the issues are addressed in this paper to find the opposite and the reversal of each item.

-2 ½

3

5 / 9 (Group)

-4

Please help!