1 | = | 2 | ( | 1 | − | x | ) | ÷ | ( | 65 | − | 60 | x | ) | − | ( | 1 | − | x | ) | ÷ | ( | 72 | − | 60 | x | ) |
方程两边同时乘以: | ( | 65 | − | 60 | x | ) |
1 | ( | 65 | − | 60 | x | ) | = | 2 | ( | 1 | − | x | ) | − | ( | 1 | − | x | ) | ÷ | ( | 72 | − | 60 | x | ) | × | ( | 65 | − | 60 | x | ) |
1 | × | 65 | − | 1 | × | 60 | x | = | 2 | ( | 1 | − | x | ) | − | ( | 1 | − | x | ) | ÷ | ( | 72 | − | 60 | x | ) | × | ( | 65 | − | 60 | x | ) |
1 | × | 65 | − | 1 | × | 60 | x | = | 2 | × | 1 | − | 2 | x | − | ( | 1 | − | x | ) | ÷ | ( | 72 | − | 60 | x | ) | × | ( | 65 | − | 60 | x | ) |
65 | − | 60 | x | = | 2 | − | 2 | x | − | ( | 1 | − | x | ) | ÷ | ( | 72 | − | 60 | x | ) | × | ( | 65 | − | 60 | x | ) |
方程两边同时乘以: | ( | 72 | − | 60 | x | ) |
65 | ( | 72 | − | 60 | x | ) | − | 60 | x | ( | 72 | − | 60 | x | ) | = | 2 | ( | 72 | − | 60 | x | ) | − | 2 | x | ( | 72 | − | 60 | x | ) | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
65 | × | 72 | − | 65 | × | 60 | x | − | 60 | x | ( | 72 | − | 60 | x | ) | = | 2 | ( | 72 | − | 60 | x | ) | − | 2 | x | ( | 72 | − | 60 | x | ) | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
65 | × | 72 | − | 65 | × | 60 | x | − | 60 | x | ( | 72 | − | 60 | x | ) | = | 2 | × | 72 | − | 2 | × | 60 | x | − | 2 | x | ( | 72 | − | 60 | x | ) | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
4680 | − | 3900 | x | − | 60 | x | ( | 72 | − | 60 | x | ) | = | 144 | − | 120 | x | − | 2 | x | ( | 72 | − | 60 | x | ) | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
4680 | − | 3900 | x | − | 60 | x | × | 72 | + | 60 | x | × | 60 | x | = | 144 | − | 120 | x | − | 2 | x | ( | 72 | − | 60 | x | ) | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
4680 | − | 3900 | x | − | 60 | x | × | 72 | + | 60 | x | × | 60 | x | = | 144 | − | 120 | x | − | 2 | x | × | 72 | + | 2 | x | × | 60 | x | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
4680 | − | 3900 | x | − | 4320 | x | + | 3600 | x | x | = | 144 | − | 120 | x | − | 144 | x | + | 120 | x | x | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
4680 | − | 8220 | x | + | 3600 | x | x | = | 144 | − | 264 | x | + | 120 | x | x | − | ( | 1 | − | x | ) | ( | 65 | − | 60 | x | ) |
4680 | − | 8220 | x | + | 3600 | x | x | = | 144 | − | 264 | x | + | 120 | x | x | − | 1 | ( | 65 | − | 60 | x | ) | + | x | ( | 65 | − | 60 | x | ) |
4680 | − | 8220 | x | + | 3600 | x | x | = | 144 | − | 264 | x | + | 120 | x | x | − | 1 | × | 65 | + | 1 | × | 60 | x | + | x |
4680 | − | 8220 | x | + | 3600 | x | x | = | 144 | − | 264 | x | + | 120 | x | x | − | 65 | + | 60 | x | + | x | ( | 65 | − | 60 | x | ) |
4680 | − | 8220 | x | + | 3600 | x | x | = | 79 | − | 204 | x | + | 120 | x | x | + | x | ( | 65 | − | 60 | x | ) |
4680 | − | 8220 | x | + | 3600 | x | x | = | 79 | − | 204 | x | + | 120 | x | x | + | x | × | 65 | − | x | × | 60 | x |
4680 | − | 8220 | x | + | 3600 | x | x | = | 79 | − | 139 | x | + | 120 | x | x | − | x | × | 60 | x |