3050000 | ( | 1 | − | 39 2500 | ) | − | 8345977 100 | − | ( | 3050000 | ÷ | 109 100 | × | 9 100 | − | 9202699 100 | − | 396983 25 | ÷ | 113 100 | × | 13 100 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 | − | 69872417 50 | = | X |
方程左边 = | 3050000 | ( | 1 | − | 39 2500 | ) | − | 148090811 100 | − | ( | 3050000 | ÷ | 109 100 | × | 9 100 | − | 9202699 100 | − | 396983 25 | ÷ | 113 100 | × | 13 100 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
3050000 | ( | 1 | − | 39 2500 | ) | − | 148090811 100 | − | ( | 3050000 | ÷ | 109 100 | × | 9 100 | − | 9202699 100 | − | 396983 25 | ÷ | 113 100 | × | 13 100 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 | = | X |
方程左边 = | 3050000 | × | 1 | − | 3050000 | × | 39 2500 | − | 148090811 100 | − | ( | 3050000 | ÷ | 109 100 | × | 9 100 | − | 9202699 100 | − | 396983 25 | ÷ | 113 100 | × | 13 100 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
= | 3050000 | − | 47580 | − | 148090811 100 | − | ( | 3050000 | ÷ | 109 100 | × | 9 100 | − | 9202699 100 | − | 396983 25 | ÷ | 113 100 | × | 13 100 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
= | 152151189 100 | − | ( | 3050000 | ÷ | 109 100 | × | 9 100 | − | 9202699 100 | − | 396983 25 | ÷ | 113 100 | × | 13 100 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
= | 152151189 100 | − | 3050000 | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | 9202699 100 | × | 28 25 | + | 396983 25 | ÷ | 113 100 | × | 13 100 | × | 28 25 | + | X |
= | 152151189 100 | − | 30744000 109 | + | 64418893 625 | + | 144501812 70625 | + | X | × | 84 2575 |