1 what, 2 what, 3 what, 4 what, 5 what = 10 with appropriate operation symbols and brackets

1 what, 2 what, 3 what, 4 what, 5 what = 10 with appropriate operation symbols and brackets

(1 + 2) △ 3 + 4 + 5 = 10, right? That's what I did