Arithmetic Operator Puzzles

#3073: 6 _ 7 _ 6 _ 2 = 14 medium #3074: 6 _ 7 _ 8 _ 4 = 20 hard #3075: 6 _ 7 _ 8 _ 4 = -8 medium #3076: 6 _ 7 _ 9 _ 3 = 14 hard #3077: 6 _ 8 _ 2 _ 4 = 10 medium #3078: 6 _ 8 _ 2 _ 3 = 18 hard #3079: 6 _ 8 _ 2 _ 4 = 2 easy #3080: 6 _ 8 _ 2 _ 3 = -6 medium #3081: 6 _ 8 _ 2 _ 5 = 19 hard #3082: 6 _ 8 _ 2 _ 8 = 16 hard #3083: 6 _ 8 _ 2 _ 9 = 15 hard #3084: 6 _ 8 _ 2 _ 2 = 3 easy #3085: 6 _ 8 _ 2 _ 6 = 9 easy #3086: 6 _ 8 _ 3 _ 2 = -6 medium #3087: 6 _ 8 _ 3 _ 6 = 2 easy #3088: 6 _ 8 _ 3 _ 9 = 16 hard #3089: 6 _ 8 _ 3 _ 1 = 15 hard #3090: 6 _ 8 _ 3 _ 2 = 14 hard #3091: 6 _ 8 _ 3 _ 3 = 19 hard #3092: 6 _ 8 _ 3 _ 4 = 20 hard #3093: 6 _ 8 _ 3 _ 4 = 4 easy #3094: 6 _ 8 _ 3 _ 5 = 11 medium #3095: 6 _ 8 _ 3 _ 7 = 9 medium #3096: 6 _ 8 _ 3 _ 8 = 8 medium #3097: 6 _ 8 _ 3 _ 9 = 7 medium #3098: 6 _ 8 _ 3 _ 4 = 9 easy #3099: 6 _ 8 _ 3 _ 4 = 1 easy #3100: 6 _ 8 _ 4 _ 3 = 12 medium #3101: 6 _ 8 _ 4 _ 5 = 16 hard #3102: 6 _ 8 _ 4 _ 5 = -4 medium #3103: 6 _ 8 _ 4 _ 6 = -6 medium #3104: 6 _ 8 _ 4 _ 7 = -8 medium #3105: 6 _ 8 _ 4 _ 1 = 13 hard #3106: 6 _ 8 _ 4 _ 2 = 14 hard #3107: 6 _ 8 _ 4 _ 3 = 4 easy #3108: 6 _ 8 _ 4 _ 4 = 16 hard #3109: 6 _ 8 _ 4 _ 4 = 3 easy #3110: 6 _ 8 _ 4 _ 5 = 17 hard #3111: 6 _ 8 _ 4 _ 6 = 6 easy #3112: 6 _ 8 _ 4 _ 7 = 19 hard #3113: 6 _ 8 _ 4 _ 7 = 5 easy #3114: 6 _ 8 _ 4 _ 8 = 20 hard #3115: 6 _ 8 _ 4 _ 8 = 4 easy #3116: 6 _ 8 _ 4 _ 2 = 1 easy #3117: 6 _ 8 _ 4 _ 3 = 6 easy #3118: 6 _ 8 _ 4 _ 4 = 7 easy #3119: 6 _ 8 _ 4 _ 5 = 8 medium #3120: 6 _ 8 _ 4 _ 5 = -2 easy