1169 20 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 2 | ) | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | = | 1354 25 |
| 方程两边同时乘以: | ( | 1 | + | X | ÷ | 12 | × | 2 | ) |
1169 20 | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | × | ( | 1 | + | X | ÷ | 12 | × | 2 | ) | = | 1354 25 | ( | 1 | + | X | ÷ | 12 | × | 2 | ) |
1169 20 | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | × | 1 | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | × | X | ÷ | 12 | × | 2 | = | 1354 25 | ( | 1 | + | X | ÷ | 12 | × | 2 | ) |
1169 20 | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | × | 1 | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | × | X | ÷ | 12 | × | 2 | = | 1354 25 | × | 1 | + | 1354 25 | X | ÷ | 12 | × | 2 |
1169 20 | + | 3 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | + | 1 200 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | × | X | = | 1354 25 | + | 677 75 | X |
| 方程两边同时乘以: | ( | 1 | + | X | ÷ | 12 | × | 24 | ) |
1169 20 | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | + | 3 100 | + | 1 200 | X | = | 1354 25 | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | + | 677 75 | X | ( | 1 | + | X | ÷ | 12 | × | 24 | ) |
1169 20 | × | 1 | + | 1169 20 | X | ÷ | 12 | × | 24 | + | 3 100 | + | 1 200 | X | = | 1354 25 | ( | 1 | + | X | ÷ | 12 | × | 24 | ) | + | 677 75 | X | ( | 1 | + | X | ÷ | 12 | × | 24 | ) |
1169 20 | × | 1 | + | 1169 20 | X | ÷ | 12 | × | 24 | + | 3 100 | + | 1 200 | X | = | 1354 25 | × | 1 | + | 1354 25 | X | ÷ | 12 | × | 24 | + | 677 75 | X | ( | 1 | + | X | ÷ | 12 | × | 24 | ) |
1169 20 | + | 1169 10 | X | + | 3 100 | + | 1 200 | X | = | 1354 25 | + | 2708 25 | X | + | 677 75 | X | ( | 1 | + | X | ÷ | 12 | × | 24 | ) |
1462 25 | + | 23381 200 | X | = | 1354 25 | + | 2708 25 | X | + | 677 75 | X | ( | 1 | + | X | ÷ | 12 | × | 24 | ) |
1462 25 | + | 23381 200 | X | = | 1354 25 | + | 2708 25 | X | + | 677 75 | X | × | 1 | + | 677 75 | X | X | ÷ | 12 | × | 24 |
1462 25 | + | 23381 200 | X | = | 1354 25 | + | 2708 25 | X | + | 677 75 | X | + | 1354 75 | X | X |
1462 25 | + | 23381 200 | X | = | 1354 25 | + | 8801 75 | X | + | 1354 75 | X | X |