( | 9137221 20 | + | x | ) | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | 314500 | = | 51675029 20 |
方程左边 = | 9137221 20 | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | 314500 |
= | 9137221 20 | × | 1 | + | 9137221 20 | × | 3 25 | + | 9137221 20 | × | 1 10 | + | 9137221 20 | × | 7 1000 | + | 9137221 20 | × | 3 1000 | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) |
= | 9137221 20 | + | 27411663 500 | + | 9137221 200 | + | 63960547 20000 | + | 27411663 20000 | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | 314500 |