3 + 3 x 4 + 3 x 6 = 4 + 5 x 4 + 5 x 4 = 5 + 7 x 3 + 7 x 5 = 5 + 6 x 2 + 6 x 7 = 2 + 7 x 3 + 7 x 2 = 2 + 7 x 2 + 7 x 4 = 2 + 5 x 3 + 5 x 3 = 3 + 7 x 3 + 7 x 7 = 6 + 4 x 7 + 4 x 7 = 6 + 4 x 5 + 4 x 3 = 6 + 6 x 4 + 6 x 4 = 6 + 5 x 3 + 5 x 6 = 4 + 6 x 4 + 6 x 7 = 4 + 6 x 3 + 6 x 3 = 5 + 6 x 6 + 6 x 4 = 5 + 6 x 4 + 6 x 6 = 2 + 3 x 2 + 3 x 6 = 3 + 4 x 2 + 4 x 5 = 3 + 6 x 7 + 6 x 5 = 3 + 6 x 6 + 6 x 7 = 7 + 7 x 7 + 7 x 2 = 7 + 7 x 6 + 7 x 4 = 7 + 5 x 7 + 5 x 3 = 2 + 6 x 7 + 6 x 2 = 5 + 3 x 5 + 3 x 2 = 5 + 3 x 3 + 3 x 4 = 5 + 5 x 2 + 5 x 4 = 5 + 5 x 7 + 5 x 6 = 3 + 6 x 2 + 6 x 7 = 3 + 5 x 7 + 5 x 3 = 4 + 7 x 5 + 7 x 7 = 3 + 5 x 2 + 5 x 7 = 2 + 4 x 7 + 4 x 3 = 7 + 2 x 4 + 2 x 2 = 2 + 6 x 5 + 6 x 5 = 2 + 5 x 4 + 5 x 7 = 5 + 6 x 5 + 6 x 2 = 5 + 6 x 4 + 6 x 4 = 6 + 6 x 7 + 6 x 6 = 5 + 4 x 4 + 4 x 6 =