Arithmetic Operator Puzzles

#2593: 6 _ 2 _ 2 _ 6 = 15 medium #2594: 6 _ 2 _ 2 _ 8 = 19 hard #2595: 6 _ 2 _ 2 _ 3 = -3 easy #2596: 6 _ 2 _ 2 _ 4 = -5 easy #2597: 6 _ 2 _ 2 _ 5 = -7 easy #2598: 6 _ 2 _ 2 _ 6 = -9 medium #2599: 6 _ 2 _ 2 _ 6 = 9 easy #2600: 6 _ 2 _ 2 _ 8 = 12 medium #2601: 6 _ 2 _ 3 _ 9 = 12 hard #2602: 6 _ 2 _ 3 _ 6 = 2 easy #2603: 6 _ 2 _ 3 _ 3 = 11 easy #2604: 6 _ 2 _ 3 _ 9 = 4 easy #2605: 6 _ 2 _ 3 _ 1 = 3 easy #2606: 6 _ 2 _ 3 _ 3 = 1 easy #2607: 6 _ 2 _ 3 _ 5 = 9 easy #2608: 6 _ 2 _ 3 _ 5 = -1 easy #2609: 6 _ 2 _ 3 _ 6 = -2 easy #2610: 6 _ 2 _ 3 _ 7 = 11 medium #2611: 6 _ 2 _ 3 _ 7 = -3 easy #2612: 6 _ 2 _ 3 _ 8 = 12 medium #2613: 6 _ 2 _ 3 _ 8 = -4 medium #2614: 6 _ 2 _ 3 _ 9 = 13 hard #2615: 6 _ 2 _ 3 _ 9 = -5 medium #2616: 6 _ 2 _ 3 _ 5 = 18 hard #2617: 6 _ 2 _ 3 _ 2 = -3 easy #2618: 6 _ 2 _ 3 _ 3 = -6 easy #2619: 6 _ 2 _ 3 _ 4 = -9 medium #2620: 6 _ 2 _ 3 _ 9 = 1 easy #2621: 6 _ 2 _ 4 _ 2 = 7 easy #2622: 6 _ 2 _ 4 _ 8 = 10 medium #2623: 6 _ 2 _ 4 _ 8 = 5 easy #2624: 6 _ 2 _ 4 _ 6 = 3 easy #2625: 6 _ 2 _ 4 _ 8 = 2 easy #2626: 6 _ 2 _ 4 _ 4 = 13 medium #2627: 6 _ 2 _ 4 _ 1 = 2 easy #2628: 6 _ 2 _ 4 _ 3 = 6 easy #2629: 6 _ 2 _ 4 _ 4 = -1 easy #2630: 6 _ 2 _ 4 _ 5 = 8 easy #2631: 6 _ 2 _ 4 _ 5 = -2 easy #2632: 6 _ 2 _ 4 _ 5 = 15 medium #2633: 6 _ 2 _ 4 _ 6 = -3 easy #2634: 6 _ 2 _ 4 _ 7 = 10 medium #2635: 6 _ 2 _ 4 _ 7 = -4 easy #2636: 6 _ 2 _ 4 _ 8 = 11 medium #2637: 6 _ 2 _ 4 _ 8 = -5 medium #2638: 6 _ 2 _ 4 _ 9 = 12 hard #2639: 6 _ 2 _ 4 _ 9 = -6 medium #2640: 6 _ 2 _ 4 _ 2 = 11 easy