2 radical 72 * (5 radical 8 - 7 radical 3 + 6 radical 18 - 3radical 50)
2 radical 48* (5 radical 27- 6 radical 48 + 7 radical 12 - 4 radical 75)
radical 32 supra 81 - radical 12 + 2 radical 4 + radical 2 + 26 supra 36 - 1+ 2 supra 16