Medium Arithmetic Puzzles

#2632: 6 _ 2 _ 4 _ 5 = 15 medium #2634: 6 _ 2 _ 4 _ 7 = 10 medium #2636: 6 _ 2 _ 4 _ 8 = 11 medium #2637: 6 _ 2 _ 4 _ 8 = -5 medium #2639: 6 _ 2 _ 4 _ 9 = -6 medium #2643: 6 _ 2 _ 4 _ 3 = -9 medium #2644: 6 _ 2 _ 5 _ 4 = 15 medium #2651: 6 _ 2 _ 5 _ 9 = 6 medium #2654: 6 _ 2 _ 6 _ 3 = 14 medium #2655: 6 _ 2 _ 6 _ 6 = 13 medium #2661: 6 _ 2 _ 6 _ 7 = 14 medium #2663: 6 _ 2 _ 6 _ 2 = -9 medium #2666: 6 _ 2 _ 7 _ 7 = 11 medium #2670: 6 _ 2 _ 7 _ 7 = 14 medium #2675: 6 _ 2 _ 8 _ 8 = 11 medium #2693: 6 _ 3 _ 2 _ 8 = -6 medium #2699: 6 _ 3 _ 2 _ 4 = 13 medium #2700: 6 _ 3 _ 2 _ 5 = 14 medium #2710: 6 _ 3 _ 2 _ 5 = -8 medium #2712: 6 _ 3 _ 3 _ 9 = 7 medium #2717: 6 _ 3 _ 3 _ 4 = 14 medium #2722: 6 _ 3 _ 4 _ 8 = 12 medium #2724: 6 _ 3 _ 4 _ 3 = 14 medium #2729: 6 _ 3 _ 4 _ 4 = 12 medium #2730: 6 _ 3 _ 4 _ 6 = 14 medium #2739: 6 _ 3 _ 5 _ 9 = 10 medium #2740: 6 _ 3 _ 5 _ 2 = -8 medium #2743: 6 _ 3 _ 5 _ 3 = 13 medium #2744: 6 _ 3 _ 5 _ 4 = 14 medium #2746: 6 _ 3 _ 5 _ 5 = 15 medium #2748: 6 _ 3 _ 5 _ 6 = 16 medium #2755: 6 _ 3 _ 6 _ 9 = 8 medium #2756: 6 _ 3 _ 6 _ 8 = 10 medium #2760: 6 _ 3 _ 6 _ 3 = 16 medium #2762: 6 _ 3 _ 6 _ 5 = 15 medium #2766: 6 _ 3 _ 7 _ 1 = 13 medium #2768: 6 _ 3 _ 7 _ 3 = 11 medium #2770: 6 _ 3 _ 7 _ 4 = 10 medium #2776: 6 _ 3 _ 8 _ 2 = -6 medium #2784: 6 _ 3 _ 8 _ 5 = 11 medium #2785: 6 _ 3 _ 8 _ 7 = 9 medium #2786: 6 _ 3 _ 8 _ 9 = 7 medium #2787: 6 _ 3 _ 9 _ 3 = 7 medium #2793: 6 _ 3 _ 9 _ 4 = 6 medium #2794: 6 _ 3 _ 9 _ 5 = -3 medium #2795: 6 _ 3 _ 9 _ 5 = 10 medium #2796: 6 _ 3 _ 9 _ 6 = -4 medium #2797: 6 _ 3 _ 9 _ 7 = 9 medium