2 | × | 1 100 | × | 1500 | x | + | 77 | × | 9 1000 | × | 1000 | + | 13 | × | 1 125 | × | 900 | + | 32 | × | 7 1000 | = | 15000 |
方程左边 = | 30 | x | + | 693 | + | 468 5 | + | 896 5 | + | 924 5 | + | 96 | + | 88 | + | 624 5 | + | 417 5 |
= | 30 | x | + | 7714 5 |
30 | x | + | 7714 5 | = | 15000 |
30 | x | = | 15000 | − | 7714 5 |
30 | x | = | 67286 5 |
x | = | 67286 5 | ÷ | 30 |
= | 67286 5 | × | 1 30 |
= | 33643 5 | × | 1 15 |
x | = | 33643 75 |
x | = | 448.573333 |