| ( | 323 10000 | ( | 392169 200 | − | 26469 20000 | B | ) | − | 2291 20000 | B | + | 147199 10 | ) | ÷ | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) | = | ( | 392169 200 | − | 26469 20000 | B | ) | ÷ | B |
| 方程两边同时乘以: | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) | , | B |
| ( | 323 10000 | ( | 392169 200 | − | 26469 20000 | B | ) | − | 2291 20000 | B | + | 147199 10 | ) | B | = | ( | 392169 200 | − | 26469 20000 | B | ) | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) |
323 10000 | ( | 392169 200 | − | 26469 20000 | B | ) | B | − | 2291 20000 | B | B | + | 147199 10 | B | = | ( | 392169 200 | − | 26469 20000 | B | ) | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) |
323 10000 | ( | 392169 200 | − | 26469 20000 | B | ) | B | − | 2291 20000 | B | B | + | 147199 10 | B | = | 392169 200 | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) | − | 26469 20000 | B | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) |
323 10000 | × | 392169 200 | B | − | 323 10000 | × | 26469 20000 | B | B | − | 2291 20000 | B | B | + | 147199 10 | B | = | 392169 200 | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) | − | 26469 20000 | B | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) |
323 10000 | × | 392169 200 | B | − | 323 10000 | × | 26469 20000 | B | B | − | 2291 20000 | B | B | + | 147199 10 | B | = | 392169 200 | × | 1031 1000 | B | − | 392169 200 | × | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | − | 26469 20000 | B | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) |
126670587 2000000 | B | − | 8549487 200000000 | B | B | − | 2291 20000 | B | B | + | 147199 10 | B | = | 404326239 200000 | B | − | 1408278879 500000 | ( | 392169 200 | − | 26469 20000 | B | ) | − | 26469 20000 | B | ( | 1031 1000 | B | − | 3591 2500 | ( | 392169 200 | − | 26469 20000 | B | ) | ) |