Arithmetic Operator Puzzles

#49: 1 _ 2 _ 6 _ 4 = 7 easy #50: 1 _ 2 _ 6 _ 5 = 15 medium #51: 1 _ 2 _ 6 _ 6 = 9 easy #52: 1 _ 2 _ 6 _ 6 = -3 easy #53: 1 _ 2 _ 6 _ 7 = 10 medium #54: 1 _ 2 _ 6 _ 8 = 11 medium #55: 1 _ 2 _ 6 _ 8 = -5 medium #56: 1 _ 2 _ 6 _ 9 = 12 hard #57: 1 _ 2 _ 6 _ 9 = -6 medium #58: 1 _ 2 _ 7 _ 7 = 1 easy #59: 1 _ 2 _ 8 _ 4 = 2 easy #60: 1 _ 2 _ 8 _ 2 = -2 easy #61: 1 _ 2 _ 8 _ 8 = 1 easy #62: 1 _ 2 _ 8 _ 1 = 5 easy #63: 1 _ 2 _ 8 _ 1 = 3 easy #64: 1 _ 2 _ 8 _ 3 = 1 easy #65: 1 _ 2 _ 8 _ 3 = 12 medium #66: 1 _ 2 _ 8 _ 4 = 8 medium #67: 1 _ 2 _ 8 _ 4 = 16 hard #68: 1 _ 2 _ 8 _ 5 = 9 medium #69: 1 _ 2 _ 8 _ 5 = 20 hard #70: 1 _ 2 _ 8 _ 6 = -2 easy #71: 1 _ 2 _ 8 _ 7 = 11 medium #72: 1 _ 2 _ 8 _ 7 = -3 easy #73: 1 _ 2 _ 8 _ 8 = 12 medium #74: 1 _ 2 _ 8 _ 8 = -4 medium #75: 1 _ 2 _ 8 _ 9 = 13 hard #76: 1 _ 2 _ 8 _ 9 = -5 medium #77: 1 _ 2 _ 9 _ 3 = 7 medium #78: 1 _ 2 _ 9 _ 6 = 4 easy #79: 1 _ 2 _ 9 _ 3 = -5 medium #80: 1 _ 2 _ 9 _ 6 = -2 medium #81: 1 _ 2 _ 9 _ 3 = -1 easy #82: 1 _ 2 _ 9 _ 9 = 1 easy #83: 1 _ 2 _ 9 _ 6 = 3 easy #84: 1 _ 2 _ 9 _ 4 = 18 hard #85: 1 _ 3 _ 2 _ 4 = 7 easy #86: 1 _ 3 _ 2 _ 6 = 9 easy #87: 1 _ 3 _ 2 _ 8 = 12 medium #88: 1 _ 3 _ 2 _ 6 = 4 easy #89: 1 _ 3 _ 2 _ 9 = 6 easy #90: 1 _ 3 _ 3 _ 9 = 2 easy #91: 1 _ 3 _ 3 _ 3 = 2 easy #92: 1 _ 3 _ 4 _ 2 = 7 easy #93: 1 _ 3 _ 4 _ 6 = 3 easy #94: 1 _ 3 _ 4 _ 6 = -1 easy #95: 1 _ 3 _ 4 _ 8 = -5 medium #96: 1 _ 3 _ 4 _ 4 = 2 easy