Put +,- or * so that 1 2 3 4=13

Question

You have to use addition, subtraction or multiplication so that the problem given above equals to 13. You can use the signs how many times and keep in mind that the priorty rules should be followed.

Answer 1

3*(1+2)+4=13

3*(4+1)-2=13

2*(4+3)-1=13

(4*3)+(2-1)=13

Answer 2

(3*4)+2-1=13