Easy Arithmetic Puzzles

#1855: 4 _ 5 _ 2 _ 5 = 5 easy #1856: 4 _ 5 _ 2 _ 6 = 4 easy #1858: 4 _ 5 _ 2 _ 7 = 3 easy #1861: 4 _ 5 _ 2 _ 9 = 1 easy #1864: 4 _ 5 _ 3 _ 6 = -6 easy #1866: 4 _ 5 _ 3 _ 6 = 10 easy #1868: 4 _ 5 _ 4 _ 2 = -6 easy #1871: 4 _ 5 _ 4 _ 8 = 10 easy #1872: 4 _ 5 _ 4 _ 2 = 10 easy #1873: 4 _ 5 _ 4 _ 3 = 15 easy #1876: 4 _ 5 _ 6 _ 3 = -6 easy #1879: 4 _ 5 _ 6 _ 3 = 10 easy #1886: 4 _ 5 _ 8 _ 4 = 10 easy #1891: 4 _ 6 _ 2 _ 3 = 8 easy #1892: 4 _ 6 _ 2 _ 4 = 7 easy #1894: 4 _ 6 _ 2 _ 4 = 1 easy #1895: 4 _ 6 _ 2 _ 8 = 6 easy #1897: 4 _ 6 _ 2 _ 3 = 1 easy #1903: 4 _ 6 _ 3 _ 2 = -5 easy #1904: 4 _ 6 _ 3 _ 4 = -4 easy #1905: 4 _ 6 _ 3 _ 5 = -6 easy #1906: 4 _ 6 _ 3 _ 9 = 8 easy #1907: 4 _ 6 _ 3 _ 1 = 9 easy #1908: 4 _ 6 _ 3 _ 2 = 10 easy #1909: 4 _ 6 _ 3 _ 2 = 6 easy #1910: 4 _ 6 _ 3 _ 4 = 4 easy #1911: 4 _ 6 _ 3 _ 5 = 3 easy #1913: 4 _ 6 _ 3 _ 6 = 2 easy #1914: 4 _ 6 _ 3 _ 7 = 1 easy #1915: 4 _ 6 _ 3 _ 8 = 1 easy #1917: 4 _ 6 _ 3 _ 9 = -1 easy #1918: 4 _ 6 _ 3 _ 2 = 1 easy #1919: 4 _ 6 _ 3 _ 3 = 6 easy #1920: 4 _ 6 _ 3 _ 4 = 8 easy #1921: 4 _ 6 _ 3 _ 5 = 10 easy #1922: 4 _ 6 _ 4 _ 8 = 7 easy #1923: 4 _ 6 _ 4 _ 2 = 7 easy #1926: 4 _ 6 _ 4 _ 3 = -4 easy #1927: 4 _ 6 _ 4 _ 8 = 1 easy #1928: 4 _ 6 _ 4 _ 2 = 1 easy #1929: 4 _ 6 _ 4 _ 6 = -5 easy #1930: 4 _ 6 _ 4 _ 2 = 3 easy #1932: 4 _ 6 _ 4 _ 3 = 8 easy #1935: 4 _ 6 _ 5 _ 3 = -6 easy #1937: 4 _ 6 _ 5 _ 3 = 10 easy #1940: 4 _ 6 _ 6 _ 4 = -5 easy #1946: 4 _ 6 _ 8 _ 4 = 1 easy #1947: 4 _ 6 _ 8 _ 1 = 4 easy