Arithmetic Operator Puzzles

#1777: 4 _ 4 _ 2 _ 8 = 17 hard #1778: 4 _ 4 _ 2 _ 4 = -7 easy #1779: 4 _ 4 _ 2 _ 6 = 3 easy #1780: 4 _ 4 _ 3 _ 6 = 6 easy #1781: 4 _ 4 _ 3 _ 6 = 12 medium #1782: 4 _ 4 _ 3 _ 9 = 16 hard #1783: 4 _ 4 _ 3 _ 2 = -2 easy #1784: 4 _ 4 _ 3 _ 6 = -4 easy #1785: 4 _ 4 _ 3 _ 9 = -8 hard #1786: 4 _ 4 _ 3 _ 3 = 15 easy #1787: 4 _ 4 _ 3 _ 6 = 8 easy #1788: 4 _ 4 _ 3 _ 4 = 13 easy #1789: 4 _ 4 _ 3 _ 3 = -8 easy #1790: 4 _ 4 _ 3 _ 9 = 3 easy #1791: 4 _ 4 _ 4 _ 2 = 12 easy #1792: 4 _ 4 _ 4 _ 8 = 6 easy #1793: 4 _ 4 _ 4 _ 2 = -4 easy #1794: 4 _ 4 _ 4 _ 4 = 15 easy #1795: 4 _ 4 _ 4 _ 8 = 8 easy #1796: 4 _ 4 _ 4 _ 2 = 9 easy #1797: 4 _ 4 _ 4 _ 3 = 13 easy #1798: 4 _ 4 _ 4 _ 2 = -7 easy #1799: 4 _ 4 _ 5 _ 2 = 14 medium #1800: 4 _ 4 _ 5 _ 5 = 17 medium #1801: 4 _ 4 _ 5 _ 5 = 15 medium #1802: 4 _ 4 _ 5 _ 8 = 10 easy #1803: 4 _ 4 _ 5 _ 2 = -9 easy #1804: 4 _ 4 _ 6 _ 3 = 12 medium #1805: 4 _ 4 _ 6 _ 8 = 7 easy #1806: 4 _ 4 _ 6 _ 9 = 10 medium #1807: 4 _ 4 _ 6 _ 3 = -4 easy #1808: 4 _ 4 _ 6 _ 8 = 1 easy #1809: 4 _ 4 _ 6 _ 2 = 19 hard #1810: 4 _ 4 _ 6 _ 6 = 17 hard #1811: 4 _ 4 _ 6 _ 3 = 14 medium #1812: 4 _ 4 _ 6 _ 6 = 15 medium #1813: 4 _ 4 _ 6 _ 8 = 12 medium #1814: 4 _ 4 _ 6 _ 3 = 8 easy #1815: 4 _ 4 _ 7 _ 2 = 18 hard #1816: 4 _ 4 _ 7 _ 7 = 17 hard #1817: 4 _ 4 _ 7 _ 8 = 14 medium #1818: 4 _ 4 _ 7 _ 2 = 15 hard #1819: 4 _ 4 _ 8 _ 6 = 7 easy #1820: 4 _ 4 _ 8 _ 2 = 3 easy #1821: 4 _ 4 _ 8 _ 6 = 1 easy #1822: 4 _ 4 _ 8 _ 4 = 18 hard #1823: 4 _ 4 _ 8 _ 4 = 14 hard #1824: 4 _ 4 _ 8 _ 8 = 15 hard