7 10 | × | 157 100 | ( | 1 2 | + | 40 | × | 300 | ÷ | 16 | ÷ | ( | x | + | 300 | ) | ) | × | 300 | = | ( | 9000 | × | 9000 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | ) | ÷ | 1000 | × | 35 |
7 10 | × | 157 100 | × | 1 2 | × | 300 | + | 7 10 | × | 157 100 | × | 40 | × | 300 | ÷ | 16 | ÷ | ( | x | + | 300 | ) | × | 300 | = | ( | 9000 | × | 9000 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | ) | ÷ | 1000 | × | 35 |
7 10 | × | 157 100 | × | 1 2 | × | 300 | + | 7 10 | × | 157 100 | × | 40 | × | 300 | ÷ | 16 | ÷ | ( | x | + | 300 | ) | × | 300 | = | 9000 | × | 9000 | ÷ | 1000 | × | 35 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | ÷ | 1000 | × | 35 |
3297 20 | + | 247275 | ÷ | ( | x | + | 300 | ) | = | 2835000 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | × | 7 200 |
方程两边同时乘以: | ( | x | + | 300 | ) |
3297 20 | ( | x | + | 300 | ) | + | 247275 | = | 2835000 | ( | x | + | 300 | ) | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) |
3297 20 | x | + | 3297 20 | × | 300 | + | 247275 | = | 2835000 | ( | x | + | 300 | ) | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) |
3297 20 | x | + | 3297 20 | × | 300 | + | 247275 | = | 2835000 | x | + | 2835000 | × | 300 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) |
3297 20 | x | + | 49455 | + | 247275 | = | 2835000 | x | + | 850500000 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | ( | x | + | 600 | ) | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) | − | 600 | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | ( | x | + | 600 | ) | × | 7 200 | ( | x | + | 300 | ) | − | 21 | ( | x | + | 600 | ) | ( | x | + | 300 | ) |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | x | × | 7 200 | ( | x | + | 300 | ) | − | x | × | 600 | × | 7 200 | ( | x | + | 300 | ) | − | 21 |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | x | × | 7 200 | ( | x | + | 300 | ) | − | x | × | 21 | ( | x | + | 300 | ) | − | 21 | ( | x | + | 600 | ) |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 7 200 | × | 300 | − | x |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2835000 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2828700 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2828700 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2828700 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2828700 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2828700 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2822400 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2822400 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |
3297 20 | x | + | 296730 | = | 2822400 | x | + | 850500000 | − | x | x | × | 7 200 | x | − | x | x | × | 21 2 | − | x | × | 21 |