2353 5 | = | 69 5 | × | 435 | x | ( | 780 | − | 1 2 | x | ) | + | 69 5 | ( | 1000 | − | 435 | ) | × | 130 | ( | 780 | − | 1 2 | × | 130 | ) |
方程右边 = | 6003 | x | ( | 780 | − | 1 2 | x | ) | + | 1794 | ( | 1000 | − | 435 | ) | ( | 780 | − | 1 2 | × | 130 | ) |
2353 5 | = | 6003 | x | ( | 780 | − | 1 2 | x | ) | + | 1794 | ( | 1000 | − | 435 | ) | ( | 780 | − | 1 2 | × | 130 | ) |
方程右边 = | 6003 | x | × | 780 | − | 6003 | x | × | 1 2 | x | + | 1794 | ( | 1000 | − | 435 | ) | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1794 | ( | 1000 | − | 435 | ) | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1794 | × | 1000 | ( | 780 | − | 1 2 | × | 130 | ) | − | 1794 | × | 435 | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1794000 | ( | 780 | − | 1 2 | × | 130 | ) | − | 780390 | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1794000 | × | 780 | − | 1794000 | × | 1 2 | × | 130 | − | 780390 | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1399320000 | − | 116610000 | − | 780390 | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1282710000 | − | 780390 | ( | 780 | − | 1 2 | × | 130 | ) |
= | 4682340 | x | − | 6003 2 | x | x | + | 1282710000 | − | 780390 | × | 780 | + | 780390 | × | 1 2 | × | 130 |
= | 4682340 | x | − | 6003 2 | x | x | + | 1282710000 | − | 608704200 | + | 50725350 |
= | 4682340 | x | − | 6003 2 | x | x | + | 724731150 |
2353 5 | = | 4682340 | x | − | 6003 2 | x | x | + | 724731150 |