Arithmetic Operator Puzzles

#4225: 9 _ 3 _ 3 _ 2 = 9 medium #4226: 9 _ 3 _ 3 _ 5 = 18 hard #4227: 9 _ 3 _ 3 _ 2 = -3 medium #4228: 9 _ 3 _ 3 _ 3 = -6 medium #4229: 9 _ 3 _ 3 _ 4 = -9 hard #4230: 9 _ 3 _ 4 _ 2 = 15 hard #4231: 9 _ 3 _ 4 _ 6 = 11 hard #4232: 9 _ 3 _ 4 _ 2 = 3 easy #4233: 9 _ 3 _ 4 _ 6 = 7 medium #4234: 9 _ 3 _ 4 _ 8 = 3 easy #4235: 9 _ 3 _ 4 _ 2 = 11 hard #4236: 9 _ 3 _ 4 _ 3 = -9 hard #4237: 9 _ 3 _ 4 _ 1 = 13 hard #4238: 9 _ 3 _ 4 _ 3 = 9 medium #4239: 9 _ 3 _ 4 _ 4 = 16 hard #4240: 9 _ 3 _ 4 _ 4 = 8 medium #4241: 9 _ 3 _ 4 _ 5 = 17 hard #4242: 9 _ 3 _ 4 _ 6 = 6 medium #4243: 9 _ 3 _ 4 _ 7 = 19 hard #4244: 9 _ 3 _ 4 _ 7 = 5 easy #4245: 9 _ 3 _ 4 _ 8 = 20 hard #4246: 9 _ 3 _ 4 _ 8 = 4 easy #4247: 9 _ 3 _ 4 _ 9 = 3 easy #4248: 9 _ 3 _ 4 _ 8 = 6 easy #4249: 9 _ 3 _ 5 _ 2 = -7 hard #4250: 9 _ 3 _ 5 _ 1 = 14 hard #4251: 9 _ 3 _ 5 _ 4 = 19 hard #4252: 9 _ 3 _ 5 _ 5 = 20 hard #4253: 9 _ 3 _ 5 _ 5 = 10 medium #4254: 9 _ 3 _ 5 _ 6 = 9 medium #4255: 9 _ 3 _ 5 _ 8 = 7 medium #4256: 9 _ 3 _ 5 _ 9 = 6 medium #4257: 9 _ 3 _ 6 _ 9 = 11 hard #4258: 9 _ 3 _ 6 _ 4 = 11 hard #4259: 9 _ 3 _ 6 _ 9 = 7 medium #4260: 9 _ 3 _ 6 _ 4 = 7 medium #4261: 9 _ 3 _ 6 _ 4 = 18 hard #4262: 9 _ 3 _ 6 _ 2 = -9 hard #4263: 9 _ 3 _ 6 _ 9 = 2 easy #4264: 9 _ 3 _ 6 _ 2 = 1 easy #4265: 9 _ 3 _ 7 _ 2 = 19 hard #4266: 9 _ 3 _ 7 _ 3 = 18 hard #4267: 9 _ 3 _ 7 _ 5 = 16 hard #4268: 9 _ 3 _ 7 _ 6 = 15 hard #4269: 9 _ 3 _ 7 _ 7 = 14 hard #4270: 9 _ 3 _ 7 _ 9 = 12 hard #4271: 9 _ 3 _ 8 _ 4 = 3 easy #4272: 9 _ 3 _ 8 _ 2 = 19 hard