Matching Pairs IntegersOnline version Solve and match by Alvaro Aguilar 1 3-6-15+8+1 2 3+2.3.(2-3).2+(4+3+2).(-1) 3 1-[6.(2+3)-(4+1).2].2 4 (5-10).(5+10)-12:[16-15.(-1)-29] 5 [48-5.(-9):3]-6+4.[19-3.(-7)] -39 217 -81 60 -9