( | 9535 | + | 40 | + | X | ) | ( | 3753 80000 | + | 9 500 | ) | = | 4 | X |
方程左边 = | 9535 | ( | 3753 80000 | + | 9 500 | ) | + | 40 | ( | 3753 80000 | + | 9 500 | ) | + | X | ( | 3753 80000 | + | 9 500 | ) |
= | 9535 | × | 3753 80000 | + | 9535 | × | 9 500 | + | 40 | ( | 3753 80000 | + | 9 500 | ) | + | X | ( | 3753 80000 | + | 9 500 | ) |
= | 7156971 16000 | + | 17163 100 | + | 40 | ( | 3753 80000 | + | 9 500 | ) | + | X | ( | 3753 80000 | + | 9 500 | ) |
= | 9903051 16000 | + | 40 | ( | 3753 80000 | + | 9 500 | ) | + | X | ( | 3753 80000 | + | 9 500 | ) |
= | 9903051 16000 | + | 40 | × | 3753 80000 | + | 40 | × | 9 500 | + | X | ( | 3753 80000 | + | 9 500 | ) |
= | 9903051 16000 | + | 3753 2000 | + | 18 25 | + | X | ( | 3753 80000 | + | 9 500 | ) |