Easy Arithmetic Puzzles

#70: 1 _ 2 _ 8 _ 6 = -2 easy #72: 1 _ 2 _ 8 _ 7 = -3 easy #78: 1 _ 2 _ 9 _ 6 = 4 easy #81: 1 _ 2 _ 9 _ 3 = -1 easy #82: 1 _ 2 _ 9 _ 9 = 1 easy #83: 1 _ 2 _ 9 _ 6 = 3 easy #85: 1 _ 3 _ 2 _ 4 = 7 easy #86: 1 _ 3 _ 2 _ 6 = 9 easy #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 #96: 1 _ 3 _ 4 _ 4 = 2 easy #97: 1 _ 3 _ 4 _ 8 = 6 easy #99: 1 _ 3 _ 5 _ 5 = 2 easy #100: 1 _ 3 _ 6 _ 9 = 3 easy #101: 1 _ 3 _ 6 _ 4 = 3 easy #102: 1 _ 3 _ 6 _ 9 = -1 easy #103: 1 _ 3 _ 6 _ 4 = -1 easy #104: 1 _ 3 _ 6 _ 8 = -3 easy #105: 1 _ 3 _ 6 _ 6 = 2 easy #106: 1 _ 3 _ 6 _ 2 = 9 easy #107: 1 _ 3 _ 6 _ 9 = 2 easy #108: 1 _ 3 _ 6 _ 8 = 4 easy #109: 1 _ 3 _ 6 _ 1 = 1 easy #110: 1 _ 3 _ 6 _ 3 = -1 easy #111: 1 _ 3 _ 6 _ 4 = -2 easy #112: 1 _ 3 _ 6 _ 5 = 7 easy #113: 1 _ 3 _ 6 _ 5 = 10 easy #114: 1 _ 3 _ 6 _ 6 = 8 easy #115: 1 _ 3 _ 6 _ 6 = -4 easy #116: 1 _ 3 _ 6 _ 7 = 9 easy #117: 1 _ 3 _ 6 _ 7 = -5 easy #123: 1 _ 3 _ 7 _ 7 = 2 easy #125: 1 _ 3 _ 8 _ 6 = -3 easy #126: 1 _ 3 _ 8 _ 2 = 7 easy #127: 1 _ 3 _ 8 _ 4 = 5 easy #128: 1 _ 3 _ 8 _ 2 = -1 easy #129: 1 _ 3 _ 8 _ 4 = 1 easy #130: 1 _ 3 _ 8 _ 8 = 2 easy #132: 1 _ 3 _ 8 _ 6 = 4 easy #134: 1 _ 3 _ 9 _ 3 = 2 easy #135: 1 _ 3 _ 9 _ 6 = 3 easy #136: 1 _ 3 _ 9 _ 6 = -1 easy #137: 1 _ 3 _ 9 _ 9 = 2 easy