Arithmetic Operator Puzzles

#3265: 7 _ 3 _ 6 _ 8 = 11 medium #3266: 7 _ 3 _ 6 _ 4 = 5 easy #3267: 7 _ 3 _ 6 _ 8 = 3 easy #3268: 7 _ 3 _ 6 _ 9 = 14 hard #3269: 7 _ 3 _ 6 _ 1 = 13 medium #3270: 7 _ 3 _ 6 _ 3 = 17 hard #3271: 7 _ 3 _ 6 _ 3 = 11 medium #3272: 7 _ 3 _ 6 _ 4 = 18 hard #3273: 7 _ 3 _ 6 _ 4 = 10 medium #3274: 7 _ 3 _ 6 _ 5 = 19 hard #3275: 7 _ 3 _ 6 _ 6 = 8 easy #3276: 7 _ 3 _ 6 _ 7 = 7 easy #3277: 7 _ 3 _ 6 _ 7 = 2 easy #3278: 7 _ 3 _ 7 _ 7 = 20 hard #3279: 7 _ 3 _ 7 _ 2 = 6 easy #3280: 7 _ 3 _ 7 _ 3 = 9 easy #3281: 7 _ 3 _ 7 _ 4 = 12 easy #3282: 7 _ 3 _ 7 _ 5 = 15 medium #3283: 7 _ 3 _ 7 _ 6 = 18 hard #3284: 7 _ 3 _ 7 _ 6 = 2 easy #3285: 7 _ 3 _ 8 _ 2 = 19 hard #3286: 7 _ 3 _ 8 _ 4 = 13 hard #3287: 7 _ 3 _ 8 _ 6 = 11 medium #3288: 7 _ 3 _ 8 _ 2 = -5 medium #3289: 7 _ 3 _ 8 _ 4 = 1 easy #3290: 7 _ 3 _ 8 _ 6 = 3 easy #3291: 7 _ 3 _ 8 _ 2 = 17 hard #3292: 7 _ 3 _ 8 _ 4 = 19 hard #3293: 7 _ 3 _ 9 _ 3 = 8 medium #3294: 7 _ 3 _ 9 _ 6 = 9 medium #3295: 7 _ 3 _ 9 _ 3 = 6 medium #3296: 7 _ 3 _ 9 _ 6 = 5 easy #3297: 7 _ 3 _ 9 _ 9 = 20 hard #3298: 7 _ 3 _ 9 _ 6 = 14 hard #3299: 7 _ 3 _ 9 _ 2 = 19 hard #3300: 7 _ 3 _ 9 _ 5 = 16 hard #3301: 7 _ 3 _ 9 _ 6 = 15 hard #3302: 7 _ 3 _ 9 _ 7 = 14 hard #3303: 7 _ 3 _ 9 _ 7 = 3 easy #3304: 7 _ 3 _ 9 _ 8 = 13 hard #3305: 7 _ 3 _ 9 _ 9 = 12 hard #3306: 7 _ 4 _ 2 _ 8 = 8 medium #3307: 7 _ 4 _ 2 _ 3 = 13 medium #3308: 7 _ 4 _ 2 _ 4 = 15 hard #3309: 7 _ 4 _ 2 _ 5 = 17 hard #3310: 7 _ 4 _ 2 _ 3 = 1 easy #3311: 7 _ 4 _ 2 _ 4 = -1 easy #3312: 7 _ 4 _ 2 _ 5 = -3 easy