( | 41 | − | 40 | ) | ÷ | ( | 40 | − | 30 | ) | = | ( | 70 | − | T | ) | ÷ | ( | T | − | 56 | ) |
方程两边同时乘以: | ( | 40 | − | 30 | ) | , | ( | T | − | 56 | ) |
( | 41 | − | 40 | ) | ( | T | − | 56 | ) | = | ( | 70 | − | T | ) | ( | 40 | − | 30 | ) |
41 | ( | T | − | 56 | ) | − | 40 | ( | T | − | 56 | ) | = | ( | 70 | − | T | ) | ( | 40 | − | 30 | ) |
41 | ( | T | − | 56 | ) | − | 40 | ( | T | − | 56 | ) | = | 70 | ( | 40 | − | 30 | ) | − | T | ( | 40 | − | 30 | ) |
41 | T | − | 41 | × | 56 | − | 40 | ( | T | − | 56 | ) | = | 70 | ( | 40 | − | 30 | ) | − | T | ( | 40 | − | 30 | ) |
41 | T | − | 41 | × | 56 | − | 40 | ( | T | − | 56 | ) | = | 70 | × | 40 | − | 70 | × | 30 | − | T | ( | 40 | − | 30 | ) |
41 | T | − | 2296 | − | 40 | ( | T | − | 56 | ) | = | 2800 | − | 2100 | − | T | ( | 40 | − | 30 | ) |
41 | T | − | 2296 | − | 40 | ( | T | − | 56 | ) | = | 700 | − | T | ( | 40 | − | 30 | ) |
41 | T | − | 2296 | − | 40 | T | + | 40 | × | 56 | = | 700 | − | T | ( | 40 | − | 30 | ) |
41 | T | − | 2296 | − | 40 | T | + | 40 | × | 56 | = | 700 | − | T | × | 40 | + | T | × | 30 |
41 | T | − | 2296 | − | 40 | T | + | 2240 | = | 700 | − | T | × | 40 | + | T | × | 30 |
1 | T | − | 56 | = | 700 | − | 10 | T |
1 | T | + | 10 | T | = | 700 | + | 56 |
11 | T | = | 700 | + | 56 |
11 | T | = | 756 |
T | = | 756 | ÷ | 11 |
= | 756 | × | 1 11 |
T | = | 756 11 |
T | = | 68.727273 |