180°-54°36′18〃=

180°-54°36′18〃=


180°-54°36'18''
=179°59'60''-54°36'18''
=125°23'42''



66 × 65 / 9, 25 × 22 / 7, 127 × 126 / 5, 5 / 5 4-4 / 5, 4 / 5, simple! 12


9 of 66 × 65 = (65 + 1) × 9 / 65 = 65 × 9 / 65 + 1 × 9 / 65 = 9 + 9 / 65 = 9 and 9 / 6525 × 7 of 22 = (22 + 3) * 7 / 22 = 22 * 7 / 22 + 21 / 22 = 7 and 21 / 22127 × 5 of 126 = (126 + 1) * 5 / 126 = 126 * 5 / 126 + 5 / 126 = 5 and 5 / 5 / 126 = 4 of 5 and 5 / 1265 / 4-4 / 4 of 5 = 1 / 5-5 =