Arithmetic Operator Puzzles

#1729: 4 _ 3 _ 6 _ 9 = 17 hard #1730: 4 _ 3 _ 6 _ 9 = -1 easy #1731: 4 _ 3 _ 7 _ 7 = 13 medium #1732: 4 _ 3 _ 7 _ 7 = 11 medium #1733: 4 _ 3 _ 8 _ 6 = 8 medium #1734: 4 _ 3 _ 8 _ 2 = -8 medium #1735: 4 _ 3 _ 8 _ 4 = -2 easy #1736: 4 _ 3 _ 8 _ 4 = 14 hard #1737: 4 _ 3 _ 8 _ 8 = 13 hard #1738: 4 _ 3 _ 8 _ 2 = 8 medium #1739: 4 _ 3 _ 8 _ 8 = 11 medium #1740: 4 _ 3 _ 8 _ 6 = 16 hard #1741: 4 _ 3 _ 8 _ 4 = 6 easy #1742: 4 _ 3 _ 8 _ 6 = 1 easy #1743: 4 _ 3 _ 9 _ 3 = 5 easy #1744: 4 _ 3 _ 9 _ 3 = 3 easy #1745: 4 _ 3 _ 9 _ 9 = 13 hard #1746: 4 _ 3 _ 9 _ 9 = 11 hard #1747: 4 _ 3 _ 9 _ 6 = 8 easy #1748: 4 _ 3 _ 9 _ 1 = 13 hard #1749: 4 _ 3 _ 9 _ 2 = 10 medium #1750: 4 _ 3 _ 9 _ 2 = 6 easy #1751: 4 _ 3 _ 9 _ 4 = 16 hard #1752: 4 _ 3 _ 9 _ 4 = 8 medium #1753: 4 _ 3 _ 9 _ 4 = 3 easy #1754: 4 _ 3 _ 9 _ 5 = 17 hard #1755: 4 _ 3 _ 9 _ 5 = 7 medium #1756: 4 _ 3 _ 9 _ 7 = 19 hard #1757: 4 _ 3 _ 9 _ 8 = 20 hard #1758: 4 _ 3 _ 9 _ 8 = 4 easy #1759: 4 _ 3 _ 9 _ 9 = 3 easy #1760: 4 _ 4 _ 2 _ 8 = 5 easy #1761: 4 _ 4 _ 2 _ 5 = 14 medium #1762: 4 _ 4 _ 2 _ 7 = 18 hard #1763: 4 _ 4 _ 2 _ 8 = 3 easy #1764: 4 _ 4 _ 2 _ 3 = -2 easy #1765: 4 _ 4 _ 2 _ 4 = -4 easy #1766: 4 _ 4 _ 2 _ 2 = 17 medium #1767: 4 _ 4 _ 2 _ 2 = 15 easy #1768: 4 _ 4 _ 2 _ 2 = 6 easy #1769: 4 _ 4 _ 2 _ 4 = 4 easy #1770: 4 _ 4 _ 2 _ 6 = 14 medium #1771: 4 _ 4 _ 2 _ 7 = 1 easy #1772: 4 _ 4 _ 2 _ 8 = 1 easy #1773: 4 _ 4 _ 2 _ 9 = 17 hard #1774: 4 _ 4 _ 2 _ 9 = -1 easy #1775: 4 _ 4 _ 2 _ 4 = 9 easy #1776: 4 _ 4 _ 2 _ 6 = 13 medium