I have a question, Its asking me to use 4, 5, 3, and 2 only once in an equation to get 1, 3, 6, and 8. please help!

Answer 1

you have to use 2,3,4,and 5 in one equation. :(

Answer 2

3(2+4-5) = 3
2+3-4+5 = 6
2*(3-4+5) = 8

See what you can do for 1.