( | 9170 | + | 10 | + | X | ) | ( | 27667 625000 | + | 17 1000 | ) | = | 4 | X |
方程左边 = | 9170 | ( | 27667 625000 | + | 17 1000 | ) | + | 10 | ( | 27667 625000 | + | 17 1000 | ) | + | X | ( | 27667 625000 | + | 17 1000 | ) |
= | 9170 | × | 27667 625000 | + | 9170 | × | 17 1000 | + | 10 | ( | 27667 625000 | + | 17 1000 | ) | + | X | ( | 27667 625000 | + | 17 1000 | ) |
= | 25370639 62500 | + | 15589 100 | + | 10 | ( | 27667 625000 | + | 17 1000 | ) | + | X | ( | 27667 625000 | + | 17 1000 | ) |
= | 8778441 15625 | + | 10 | ( | 27667 625000 | + | 17 1000 | ) | + | X | ( | 27667 625000 | + | 17 1000 | ) |
= | 8778441 15625 | + | 10 | × | 27667 625000 | + | 10 | × | 17 1000 | + | X | ( | 27667 625000 | + | 17 1000 | ) |
= | 8778441 15625 | + | 27667 62500 | + | 17 100 | + | X | ( | 27667 625000 | + | 17 1000 | ) |