56969 40 | ÷ | ( | 106603 500 | + | t | ) | + | 72279 50 | ÷ | ( | 20943 100 | + | t | ) | = | 202440347 20000000 |
| 方程两边同时乘以: | ( | 106603 500 | + | t | ) |
56969 40 | + | 72279 50 | ÷ | ( | 20943 100 | + | t | ) | × | ( | 106603 500 | + | t | ) | = | 202440347 20000000 | ( | 106603 500 | + | t | ) |
56969 40 | + | 72279 50 | ÷ | ( | 20943 100 | + | t | ) | × | 106603 500 | + | 72279 50 | ÷ | ( | 20943 100 | + | t | ) | × | t | = | 202440347 20000000 | ( | 106603 500 | + | t | ) |
56969 40 | + | 72279 50 | ÷ | ( | 20943 100 | + | t | ) | × | 106603 500 | + | 72279 50 | ÷ | ( | 20943 100 | + | t | ) | × | t | = | 202440347 20000000 | × | 106603 500 | + | 202440347 20000000 | t |