Arithmetic Operator Puzzles

#3553: 8 _ 2 _ 2 _ 6 = 16 hard #3554: 8 _ 2 _ 2 _ 7 = 18 hard #3555: 8 _ 2 _ 2 _ 3 = -2 easy #3556: 8 _ 2 _ 2 _ 4 = -4 medium #3557: 8 _ 2 _ 2 _ 5 = -6 medium #3558: 8 _ 2 _ 2 _ 6 = -8 medium #3559: 8 _ 2 _ 2 _ 5 = 10 easy #3560: 8 _ 2 _ 3 _ 6 = 12 medium #3561: 8 _ 2 _ 3 _ 9 = 14 hard #3562: 8 _ 2 _ 3 _ 6 = 4 easy #3563: 8 _ 2 _ 3 _ 9 = 2 easy #3564: 8 _ 2 _ 3 _ 4 = 12 medium #3565: 8 _ 2 _ 3 _ 3 = 13 hard #3566: 8 _ 2 _ 3 _ 2 = -2 easy #3567: 8 _ 2 _ 3 _ 3 = -5 medium #3568: 8 _ 2 _ 3 _ 4 = -8 medium #3569: 8 _ 2 _ 3 _ 1 = 11 medium #3570: 8 _ 2 _ 3 _ 2 = 14 hard #3571: 8 _ 2 _ 3 _ 2 = 6 easy #3572: 8 _ 2 _ 3 _ 4 = 8 medium #3573: 8 _ 2 _ 3 _ 5 = 17 hard #3574: 8 _ 2 _ 3 _ 6 = 18 hard #3575: 8 _ 2 _ 3 _ 6 = 6 easy #3576: 8 _ 2 _ 3 _ 6 = 2 easy #3577: 8 _ 2 _ 3 _ 7 = 19 hard #3578: 8 _ 2 _ 3 _ 7 = 5 easy #3579: 8 _ 2 _ 3 _ 8 = 20 hard #3580: 8 _ 2 _ 3 _ 8 = 4 easy #3581: 8 _ 2 _ 3 _ 9 = 3 easy #3582: 8 _ 2 _ 4 _ 2 = 9 medium #3583: 8 _ 2 _ 4 _ 6 = 11 medium #3584: 8 _ 2 _ 4 _ 8 = 7 easy #3585: 8 _ 2 _ 4 _ 2 = 7 easy #3586: 8 _ 2 _ 4 _ 6 = 5 easy #3587: 8 _ 2 _ 4 _ 4 = 17 hard #3588: 8 _ 2 _ 4 _ 4 = 15 hard #3589: 8 _ 2 _ 4 _ 3 = 1 easy #3590: 8 _ 2 _ 4 _ 3 = 12 medium #3591: 8 _ 2 _ 4 _ 4 = 1 easy #3592: 8 _ 2 _ 4 _ 5 = -1 easy #3593: 8 _ 2 _ 4 _ 5 = 20 hard #3594: 8 _ 2 _ 4 _ 6 = -2 easy #3595: 8 _ 2 _ 4 _ 7 = 11 medium #3596: 8 _ 2 _ 4 _ 7 = -3 easy #3597: 8 _ 2 _ 4 _ 8 = -4 medium #3598: 8 _ 2 _ 4 _ 9 = 13 hard #3599: 8 _ 2 _ 4 _ 9 = -5 medium #3600: 8 _ 2 _ 4 _ 3 = 16 hard