Arithmetic Operator Puzzles

#3361: 7 _ 4 _ 8 _ 6 = 8 medium #3362: 7 _ 4 _ 8 _ 7 = 7 easy #3363: 7 _ 4 _ 8 _ 8 = 6 easy #3364: 7 _ 4 _ 8 _ 9 = 5 easy #3365: 7 _ 4 _ 9 _ 3 = 19 hard #3366: 7 _ 4 _ 9 _ 3 = -5 medium #3367: 7 _ 4 _ 9 _ 6 = 1 easy #3368: 7 _ 5 _ 2 _ 4 = 17 hard #3369: 7 _ 5 _ 2 _ 4 = -3 easy #3370: 7 _ 5 _ 2 _ 6 = -8 medium #3371: 7 _ 5 _ 3 _ 6 = -3 easy #3372: 7 _ 5 _ 3 _ 9 = -8 hard #3373: 7 _ 5 _ 4 _ 2 = 17 hard #3374: 7 _ 5 _ 4 _ 8 = 17 hard #3375: 7 _ 5 _ 4 _ 2 = -3 easy #3376: 7 _ 5 _ 4 _ 8 = -3 easy #3377: 7 _ 5 _ 6 _ 2 = -8 medium #3378: 7 _ 5 _ 6 _ 3 = -3 easy #3379: 7 _ 5 _ 7 _ 2 = 10 easy #3380: 7 _ 5 _ 7 _ 3 = 15 medium #3381: 7 _ 5 _ 7 _ 4 = 20 hard #3382: 7 _ 5 _ 7 _ 5 = 1 easy #3383: 7 _ 5 _ 8 _ 4 = 17 hard #3384: 7 _ 5 _ 8 _ 4 = -3 easy #3385: 7 _ 5 _ 9 _ 3 = -8 hard #3386: 7 _ 6 _ 2 _ 3 = 11 medium #3387: 7 _ 6 _ 2 _ 4 = 10 medium #3388: 7 _ 6 _ 2 _ 3 = 3 easy #3389: 7 _ 6 _ 2 _ 4 = 4 easy #3390: 7 _ 6 _ 2 _ 5 = -8 medium #3391: 7 _ 6 _ 2 _ 2 = 19 hard #3392: 7 _ 6 _ 2 _ 4 = 17 hard #3393: 7 _ 6 _ 2 _ 6 = 15 hard #3394: 7 _ 6 _ 2 _ 7 = 14 medium #3395: 7 _ 6 _ 2 _ 8 = 13 hard #3396: 7 _ 6 _ 3 _ 9 = 9 medium #3397: 7 _ 6 _ 3 _ 4 = 15 hard #3398: 7 _ 6 _ 3 _ 5 = 17 hard #3399: 7 _ 6 _ 3 _ 2 = -2 easy #3400: 7 _ 6 _ 3 _ 4 = -1 easy #3401: 7 _ 6 _ 3 _ 5 = -3 easy #3402: 7 _ 6 _ 3 _ 7 = -7 medium #3403: 7 _ 6 _ 3 _ 8 = -9 hard #3404: 7 _ 6 _ 3 _ 1 = 13 medium #3405: 7 _ 6 _ 3 _ 3 = 17 hard #3406: 7 _ 6 _ 3 _ 3 = 11 medium #3407: 7 _ 6 _ 3 _ 4 = 18 hard #3408: 7 _ 6 _ 3 _ 4 = 10 medium