( | 99 | − | 72 | ) | ÷ | ( | 72 | − | 62 | ) | = | ( | 100 | − | T | ) | ÷ | ( | T | − | 86 | ) |
方程两边同时乘以: | ( | 72 | − | 62 | ) | , | ( | T | − | 86 | ) |
( | 99 | − | 72 | ) | ( | T | − | 86 | ) | = | ( | 100 | − | T | ) | ( | 72 | − | 62 | ) |
99 | ( | T | − | 86 | ) | − | 72 | ( | T | − | 86 | ) | = | ( | 100 | − | T | ) | ( | 72 | − | 62 | ) |
99 | ( | T | − | 86 | ) | − | 72 | ( | T | − | 86 | ) | = | 100 | ( | 72 | − | 62 | ) | − | T | ( | 72 | − | 62 | ) |
99 | T | − | 99 | × | 86 | − | 72 | ( | T | − | 86 | ) | = | 100 | ( | 72 | − | 62 | ) | − | T | ( | 72 | − | 62 | ) |
99 | T | − | 99 | × | 86 | − | 72 | ( | T | − | 86 | ) | = | 100 | × | 72 | − | 100 | × | 62 | − | T | ( | 72 | − | 62 | ) |
99 | T | − | 8514 | − | 72 | ( | T | − | 86 | ) | = | 7200 | − | 6200 | − | T | ( | 72 | − | 62 | ) |
99 | T | − | 8514 | − | 72 | ( | T | − | 86 | ) | = | 1000 | − | T | ( | 72 | − | 62 | ) |
99 | T | − | 8514 | − | 72 | T | + | 72 | × | 86 | = | 1000 | − | T | ( | 72 | − | 62 | ) |
99 | T | − | 8514 | − | 72 | T | + | 72 | × | 86 | = | 1000 | − | T | × | 72 | + | T | × | 62 |
99 | T | − | 8514 | − | 72 | T | + | 6192 | = | 1000 | − | T | × | 72 | + | T | × | 62 |
27 | T | − | 2322 | = | 1000 | − | 10 | T |
27 | T | + | 10 | T | = | 1000 | + | 2322 |
37 | T | = | 1000 | + | 2322 |
37 | T | = | 3322 |
T | = | 3322 | ÷ | 37 |
= | 3322 | × | 1 37 |
T | = | 3322 37 |
T | = | 89.783784 |