Here are all 192 solutions: 1. 1/2*6+5*7*8/4+3*9 = 100 2. 1/2*6+5*7*8/4+9*3 = 100 3. 1/2*6+5*8*7/4+3*9 = 100 4. 1/2*6+5*8*7/4+9*3 = 100 5. 1/2*6+7*5*8/4+3*9 = 100 6. 1/2*6+7*5*8/4+9*3 = 100 7. 1/2*6+7*8*5/4+3*9 = 100 8. 1/2*6+7*8*5/4+9*3 = 100 9. 1/2*6+8*5*7/4+3*9 = 100 10. 1/2*6+8*5*7/4+9*3 = 100 11. 1/2*6+8*7*5/4+3*9 = 100 12. 1/2*6+8*7*5/4+9*3 = 100 13. 4/1*8+2*3*5/6+7*9 = 100 14. 4/1*8+2*3*5/6+9*7 = 100 15. 4/1*8+2*5*3/6+7*9 = 100 16. 4/1*8+2*5*3/6+9*7 = 100 17. 4/1*8+3*2*5/6+7*9 = 100 18. 4/1*8+3*2*5/6+9*7 = 100 19. 4/1*8+3*5*2/6+7*9 = 100 20. 4/1*8+3*5*2/6+9*7 = 100 21. 4/1*8+5*2*3/6+7*9 = 100 22. 4/1*8+5*2*3/6+9*7 = 100 23. 4/1*8+5*3*2/6+7*9 = 100 24. 4/1*8+5*3*2/6+9*7 = 100 25. 4/6*9+2*5*7/1+3*8 = 100 26. 4/6*9+2*5*7/1+8*3 = 100 27. 4/6*9+2*7*5/1+3*8 = 100 28. 4/6*9+2*7*5/1+8*3 = 100 29. 4/6*9+5*2*7/1+3*8 = 100 30. 4/6*9+5*2*7/1+8*3 = 100 31. 4/6*9+5*7*2/1+3*8 = 100 32. 4/6*9+5*7*2/1+8*3 = 100 33. 4/6*9+7*2*5/1+3*8 = 100 34. 4/6*9+7*2*5/1+8*3 = 100 35. 4/6*9+7*5*2/1+3*8 = 100 36. 4/6*9+7*5*2/1+8*3 = 100 37. 4/8*6+2*5*7/1+3*9 = 100 38. 4/8*6+2*5*7/1+9*3 = 100 39. 4/8*6+2*7*5/1+3*9 = 100 40. 4/8*6+2*7*5/1+9*3 = 100 41. 4/8*6+5*2*7/1+3*9 = 100 42. 4/8*6+5*2*7/1+9*3 = 100 43. 4/8*6+5*7*2/1+3*9 = 100 44. 4/8*6+5*7*2/1+9*3 = 100 45. 4/8*6+7*2*5/1+3*9 = 100 46. 4/8*6+7*2*5/1+9*3 = 100 47. 4/8*6+7*5*2/1+3*9 = 100 48. 4/8*6+7*5*2/1+9*3 = 100 49. 6/2*1+5*7*8/4+3*9 = 100 50. 6/2*1+5*7*8/4+9*3 = 100 51. 6/2*1+5*8*7/4+3*9 = 100 52. 6/2*1+5*8*7/4+9*3 = 100 53. 6/2*1+7*5*8/4+3*9 = 100 54. 6/2*1+7*5*8/4+9*3 = 100 55. 6/2*1+7*8*5/4+3*9 = 100 56. 6/2*1+7*8*5/4+9*3 = 100 57. 6/2*1+8*5*7/4+3*9 = 100 58. 6/2*1+8*5*7/4+9*3 = 100 59. 6/2*1+8*7*5/4+3*9 = 100 60. 6/2*1+8*7*5/4+9*3 = 100 61. 6/2*9+5*7*8/4+1*3 = 100 62. 6/2*9+5*7*8/4+3*1 = 100 63. 6/2*9+5*8*7/4+1*3 = 100 64. 6/2*9+5*8*7/4+3*1 = 100 65. 6/2*9+7*5*8/4+1*3 = 100 66. 6/2*9+7*5*8/4+3*1 = 100 67. 6/2*9+7*8*5/4+1*3 = 100 68. 6/2*9+7*8*5/4+3*1 = 100 69. 6/2*9+8*5*7/4+1*3 = 100 70. 6/2*9+8*5*7/4+3*1 = 100 71. 6/2*9+8*7*5/4+1*3 = 100 72. 6/2*9+8*7*5/4+3*1 = 100 73. 6/8*4+2*5*7/1+3*9 = 100 74. 6/8*4+2*5*7/1+9*3 = 100 75. 6/8*4+2*7*5/1+3*9 = 100 76. 6/8*4+2*7*5/1+9*3 = 100 77. 6/8*4+5*2*7/1+3*9 = 100 78. 6/8*4+5*2*7/1+9*3 = 100 79. 6/8*4+5*7*2/1+3*9 = 100 80. 6/8*4+5*7*2/1+9*3 = 100 81. 6/8*4+7*2*5/1+3*9 = 100 82. 6/8*4+7*2*5/1+9*3 = 100 83. 6/8*4+7*5*2/1+3*9 = 100 84. 6/8*4+7*5*2/1+9*3 = 100 85. 7/1*9+2*3*5/6+4*8 = 100 86. 7/1*9+2*3*5/6+8*4 = 100 87. 7/1*9+2*5*3/6+4*8 = 100 88. 7/1*9+2*5*3/6+8*4 = 100 89. 7/1*9+3*2*5/6+4*8 = 100 90. 7/1*9+3*2*5/6+8*4 = 100 91. 7/1*9+3*5*2/6+4*8 = 100 92. 7/1*9+3*5*2/6+8*4 = 100 93. 7/1*9+5*2*3/6+4*8 = 100 94. 7/1*9+5*2*3/6+8*4 = 100 95. 7/1*9+5*3*2/6+4*8 = 100 96. 7/1*9+5*3*2/6+8*4 = 100 97. 7/4*8+3*6*9/2+1*5 = 100 98. 7/4*8+3*6*9/2+5*1 = 100 99. 7/4*8+3*9*6/2+1*5 = 100 100. 7/4*8+3*9*6/2+5*1 = 100 101. 7/4*8+6*3*9/2+1*5 = 100 102. 7/4*8+6*3*9/2+5*1 = 100 103. 7/4*8+6*9*3/2+1*5 = 100 104. 7/4*8+6*9*3/2+5*1 = 100 105. 7/4*8+9*3*6/2+1*5 = 100 106. 7/4*8+9*3*6/2+5*1 = 100 107. 7/4*8+9*6*3/2+1*5 = 100 108. 7/4*8+9*6*3/2+5*1 = 100 109. 8/1*4+2*3*5/6+7*9 = 100 110. 8/1*4+2*3*5/6+9*7 = 100 111. 8/1*4+2*5*3/6+7*9 = 100 112. 8/1*4+2*5*3/6+9*7 = 100 113. 8/1*4+3*2*5/6+7*9 = 100 114. 8/1*4+3*2*5/6+9*7 = 100 115. 8/1*4+3*5*2/6+7*9 = 100 116. 8/1*4+3*5*2/6+9*7 = 100 117. 8/1*4+5*2*3/6+7*9 = 100 118. 8/1*4+5*2*3/6+9*7 = 100 119. 8/1*4+5*3*2/6+7*9 = 100 120. 8/1*4+5*3*2/6+9*7 = 100 121. 8/3*9+4*5*7/2+1*6 = 100 122. 8/3*9+4*5*7/2+6*1 = 100 123. 8/3*9+4*7*5/2+1*6 = 100 124. 8/3*9+4*7*5/2+6*1 = 100 125. 8/3*9+5*4*7/2+1*6 = 100 126. 8/3*9+5*4*7/2+6*1 = 100 127. 8/3*9+5*7*4/2+1*6 = 100 128. 8/3*9+5*7*4/2+6*1 = 100 129. 8/3*9+7*4*5/2+1*6 = 100 130. 8/3*9+7*4*5/2+6*1 = 100 131. 8/3*9+7*5*4/2+1*6 = 100 132. 8/3*9+7*5*4/2+6*1 = 100 133. 8/4*7+3*6*9/2+1*5 = 100 134. 8/4*7+3*6*9/2+5*1 = 100 135. 8/4*7+3*9*6/2+1*5 = 100 136. 8/4*7+3*9*6/2+5*1 = 100 137. 8/4*7+6*3*9/2+1*5 = 100 138. 8/4*7+6*3*9/2+5*1 = 100 139. 8/4*7+6*9*3/2+1*5 = 100 140. 8/4*7+6*9*3/2+5*1 = 100 141. 8/4*7+9*3*6/2+1*5 = 100 142. 8/4*7+9*3*6/2+5*1 = 100 143. 8/4*7+9*6*3/2+1*5 = 100 144. 8/4*7+9*6*3/2+5*1 = 100 145. 9/1*7+2*3*5/6+4*8 = 100 146. 9/1*7+2*3*5/6+8*4 = 100 147. 9/1*7+2*5*3/6+4*8 = 100 148. 9/1*7+2*5*3/6+8*4 = 100 149. 9/1*7+3*2*5/6+4*8 = 100 150. 9/1*7+3*2*5/6+8*4 = 100 151. 9/1*7+3*5*2/6+4*8 = 100 152. 9/1*7+3*5*2/6+8*4 = 100 153. 9/1*7+5*2*3/6+4*8 = 100 154. 9/1*7+5*2*3/6+8*4 = 100 155. 9/1*7+5*3*2/6+4*8 = 100 156. 9/1*7+5*3*2/6+8*4 = 100 157. 9/2*6+5*7*8/4+1*3 = 100 158. 9/2*6+5*7*8/4+3*1 = 100 159. 9/2*6+5*8*7/4+1*3 = 100 160. 9/2*6+5*8*7/4+3*1 = 100 161. 9/2*6+7*5*8/4+1*3 = 100 162. 9/2*6+7*5*8/4+3*1 = 100 163. 9/2*6+7*8*5/4+1*3 = 100 164. 9/2*6+7*8*5/4+3*1 = 100 165. 9/2*6+8*5*7/4+1*3 = 100 166. 9/2*6+8*5*7/4+3*1 = 100 167. 9/2*6+8*7*5/4+1*3 = 100 168. 9/2*6+8*7*5/4+3*1 = 100 169. 9/3*8+4*5*7/2+1*6 = 100 170. 9/3*8+4*5*7/2+6*1 = 100 171. 9/3*8+4*7*5/2+1*6 = 100 172. 9/3*8+4*7*5/2+6*1 = 100 173. 9/3*8+5*4*7/2+1*6 = 100 174. 9/3*8+5*4*7/2+6*1 = 100 175. 9/3*8+5*7*4/2+1*6 = 100 176. 9/3*8+5*7*4/2+6*1 = 100 177. 9/3*8+7*4*5/2+1*6 = 100 178. 9/3*8+7*4*5/2+6*1 = 100 179. 9/3*8+7*5*4/2+1*6 = 100 180. 9/3*8+7*5*4/2+6*1 = 100 181. 9/6*4+2*5*7/1+3*8 = 100 182. 9/6*4+2*5*7/1+8*3 = 100 183. 9/6*4+2*7*5/1+3*8 = 100 184. 9/6*4+2*7*5/1+8*3 = 100 185. 9/6*4+5*2*7/1+3*8 = 100 186. 9/6*4+5*2*7/1+8*3 = 100 187. 9/6*4+5*7*2/1+3*8 = 100 188. 9/6*4+5*7*2/1+8*3 = 100 189. 9/6*4+7*2*5/1+3*8 = 100 190. 9/6*4+7*2*5/1+8*3 = 100 191. 9/6*4+7*5*2/1+3*8 = 100 192. 9/6*4+7*5*2/1+8*3 = 100 Edwin