Arithmetic Operator Puzzles

#3601: 8 _ 2 _ 4 _ 2 = -4 medium #3602: 8 _ 2 _ 4 _ 3 = -8 medium #3603: 8 _ 2 _ 5 _ 5 = 17 hard #3604: 8 _ 2 _ 5 _ 4 = 20 hard #3605: 8 _ 2 _ 5 _ 2 = 14 hard #3606: 8 _ 2 _ 5 _ 3 = 19 hard #3607: 8 _ 2 _ 5 _ 2 = -6 medium #3608: 8 _ 2 _ 5 _ 2 = 18 hard #3609: 8 _ 2 _ 5 _ 2 = 10 easy #3610: 8 _ 2 _ 5 _ 3 = 17 hard #3611: 8 _ 2 _ 5 _ 4 = 16 hard #3612: 8 _ 2 _ 5 _ 6 = 14 hard #3613: 8 _ 2 _ 5 _ 7 = 13 hard #3614: 8 _ 2 _ 5 _ 8 = 12 medium #3615: 8 _ 2 _ 5 _ 9 = 11 hard #3616: 8 _ 2 _ 6 _ 4 = 11 medium #3617: 8 _ 2 _ 6 _ 4 = 5 easy #3618: 8 _ 2 _ 6 _ 2 = 19 hard #3619: 8 _ 2 _ 6 _ 3 = 18 hard #3620: 8 _ 2 _ 6 _ 6 = 17 hard #3621: 8 _ 2 _ 6 _ 3 = 14 hard #3622: 8 _ 2 _ 6 _ 6 = 15 hard #3623: 8 _ 2 _ 6 _ 2 = 16 hard #3624: 8 _ 2 _ 6 _ 2 = -8 medium #3625: 8 _ 2 _ 6 _ 5 = 19 hard #3626: 8 _ 2 _ 6 _ 8 = 16 hard #3627: 8 _ 2 _ 6 _ 8 = 3 easy #3628: 8 _ 2 _ 6 _ 9 = 15 hard #3629: 8 _ 2 _ 6 _ 9 = 6 easy #3630: 8 _ 2 _ 7 _ 7 = 17 hard #3631: 8 _ 2 _ 7 _ 2 = 18 hard #3632: 8 _ 2 _ 7 _ 2 = 14 medium #3633: 8 _ 2 _ 7 _ 8 = 20 hard #3634: 8 _ 2 _ 7 _ 9 = 19 hard #3635: 8 _ 2 _ 8 _ 4 = 9 medium #3636: 8 _ 2 _ 8 _ 4 = 7 easy #3637: 8 _ 2 _ 8 _ 8 = 17 hard #3638: 8 _ 2 _ 8 _ 8 = 15 hard #3639: 8 _ 2 _ 8 _ 3 = 6 easy #3640: 8 _ 2 _ 8 _ 5 = 10 easy #3641: 8 _ 2 _ 8 _ 7 = 14 medium #3642: 8 _ 2 _ 8 _ 9 = 18 hard #3643: 8 _ 2 _ 8 _ 6 = 3 easy #3644: 8 _ 2 _ 9 _ 3 = 14 hard #3645: 8 _ 2 _ 9 _ 6 = 11 hard #3646: 8 _ 2 _ 9 _ 3 = 2 easy #3647: 8 _ 2 _ 9 _ 6 = 5 easy #3648: 8 _ 2 _ 9 _ 3 = 19 hard