210 | ÷ | 3100 | + | 70 | ÷ | 2600 | + | 70 | ÷ | 2900 | + | ( | 2 5 | x | ) | ÷ | 2650 | + | ( | 3 5 | x | ) | ÷ | 2720 | + | 182 | ÷ | 1000 | = | 99 100 |
方程左边 = | 21 310 | + | 7 260 | + | 7 290 | + | ( | 2 5 | x | ) | × | 1 2650 | + | ( | 3 5 | x | ) | × | 1 2720 | + | 91 500 |
= | 878871 2921750 | + | ( | 2 5 | x | ) | × | 1 2650 | + | ( | 3 5 | x | ) | × | 1 2720 |
878871 2921750 | + | ( | 2 5 | x | ) | × | 1 2650 | + | ( | 3 5 | x | ) | × | 1 2720 | = | 99 100 |
方程左边 = | 878871 2921750 | + | 2 5 | x | × | 1 2650 | + | ( | 3 5 | x | ) | × | 1 2720 |
= | 878871 2921750 | + | 1 6625 | x | + | ( | 3 5 | x | ) | × | 1 2720 |
= | 878871 2921750 | + | 1 6625 | x | + | 3 5 | x | × | 1 2720 |
= | 878871 2921750 | + | 1 6625 | x | + | 3 13600 | x |
= | 878871 2921750 | + | 1339 3604000 | x |
878871 2921750 | + | 1339 3604000 | x | = | 99 100 |
1339 3604000 | x | = | 99 100 | - | 878871 2921750 |
1339 3604000 | x | = | 4027323 5843500 |
x | = | 4027323 5843500 | ÷ | 1339 3604000 |
= | 4027323 5843500 | × | 3604000 1339 |
= | 4027323 11687 | × | 7208 1339 |
x | = | 29028944184 15648893 |