X | = | 4000 | × | 13 10 | × | 6 5 | ( | 1 | − | ( | 1500 | ÷ | ( | 2000 | − | 1500 | + | 693 | ) | ) | + | 100 | ) |
X | = | 4000 | × | 13 10 | × | 6 5 | × | 1 | − | 4000 | × | 13 10 | × | 6 5 | ( | 1500 | ÷ | ( | 2000 | − | 1500 | + | 693 | ) | ) | + | 4000 | × | 13 10 | × | 6 5 | × | 100 |
X | = | 6240 | − | 6240 | ( | 1500 | ÷ | ( | 2000 | − | 1500 | + | 693 | ) | ) | + | 624000 |
X | = | 630240 | − | 6240 | ( | 1500 | ÷ | ( | 2000 | − | 1500 | + | 693 | ) | ) |
X | = | 630240 | − | 6240 | × | 1500 | ÷ | ( | 2000 | − | 1500 | + | 693 | ) |
X | = | 630240 | − | 9360000 | ÷ | ( | 2000 | − | 1500 | + | 693 | ) |
方程两边同时乘以: | ( | 2000 | − | 1500 | + | 693 | ) |
X | ( | 2000 | − | 1500 | + | 693 | ) | = | 630240 | ( | 2000 | − | 1500 | + | 693 | ) | − | 9360000 |
X | × | 2000 | − | X | × | 1500 | + | X | × | 693 | = | 630240 | ( | 2000 | − | 1500 | + | 693 | ) | − | 9360000 |
X | × | 2000 | − | X | × | 1500 | + | X | × | 693 | = | 630240 | × | 2000 | − | 630240 | × | 1500 | + | 630240 | × | 693 | − | 9360000 |
X | × | 2000 | − | X | × | 1500 | + | X | × | 693 | = | 1260480000 | − | 945360000 | + | 436756320 | − | 9360000 |
1193 | X | = | 742516320 |
X | = | 742516320 | ÷ | 1193 |
= | 742516320 | × | 1 1193 |
X | = | 742516320 1193 |
X | = | 622394.233026 |