119 10 | × | 400 | x | + | ( | 2 | × | 491 | + | 2 | × | 314 | ) | × | 300 | − | ( | 298320 | ÷ | x | − | 660 | ) | ( | 2 | × | 491 | + | 2 | × | 314 | ) | + | 9 10 | × | 215 | × | 11503 5 | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 |
119 10 | × | 400 | x | + | 2 | × | 491 | × | 300 | + | 2 | × | 314 | × | 300 | − | ( | 298320 | ÷ | x | − | 660 | ) | ( | 2 | × | 491 | + | 2 | × | 314 | ) | + | 9 10 | = | 2500000 |
4760 | x | + | 294600 | + | 188400 | − | ( | 298320 | ÷ | x | − | 660 | ) | ( | 2 | × | 491 | + | 2 | × | 314 | ) | + | 4451661 10 | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 |
4760 | x | + | 9281661 10 | − | ( | 298320 | ÷ | x | − | 660 | ) | ( | 2 | × | 491 | + | 2 | × | 314 | ) | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 |
4760 | x | + | 9281661 10 | − | 298320 | ÷ | x | × | ( | 2 | × | 491 | + | 2 | × | 314 | ) | + | 660 | ( | 2 | × | 491 | + | 2 | × | 314 | ) | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 |
方程两边同时乘以: | x |
4760 | x | x | + | 9281661 10 | x | − | 298320 | ( | 2 | × | 491 | + | 2 | × | 314 | ) | + | 660 | ( | 2 | × | 491 | + | 2 | × | 314 | ) | x | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 | x |
4760 | x | x | + | 9281661 10 | x | − | 298320 | × | 2 | × | 491 | − | 298320 | × | 2 | × | 314 | + | 660 | = | 2500000 | x |
4760 | x | x | + | 9281661 10 | x | − | 292950240 | − | 187344960 | + | 660 | ( | 2 | × | 491 | + | 2 | × | 314 | ) | x | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 | x |
4760 | x | x | + | 9281661 10 | x | − | 480295200 | + | 660 | ( | 2 | × | 491 | + | 2 | × | 314 | ) | x | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | x | = | 2500000 | x |
4760 | x | x | + | 9281661 10 | x | − | 480295200 | + | 660 | × | 2 | × | 491 | x | + | 660 | × | 2 | = | 2500000 | x |
4760 | x | x | + | 9281661 10 | x | − | 480295200 | + | 648120 | x | + | 414480 | x | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | = | 2500000 | x |
4760 | x | x | + | 19907661 10 | x | − | 480295200 | − | ( | 318962 | ÷ | x | − | 680 | ) | × | 11503 5 | x | = | 2500000 | x |
4760 | x | x | + | 19907661 10 | x | − | 480295200 | − | 318962 | ÷ | x | × | 11503 5 | x | + | 680 | × | 11503 5 | = | 2500000 | x |
4760 | x | x | + | 19907661 10 | x | − | 480295200 | − | 3669019886 5 | ÷ | x | × | x | + | 1564408 | x | = | 2500000 | x |
4760 | x | x | + | 35551741 10 | x | − | 480295200 | − | 3669019886 5 | ÷ | x | × | x | = | 2500000 | x |