394118081 50 | − | ( | 28400211 100 | − | ( | X | − | 320352853 50 | ) | ÷ | 109 100 | × | 9 100 | − | 915511 100 | − | 1167 100 | ) | × | 28 25 | − | 8255 4 | = | X |
方程左边 = | 788029787 100 | − | ( | 28400211 100 | − | ( | X | − | 320352853 50 | ) | ÷ | 109 100 | × | 9 100 | − | 915511 100 | − | 1167 100 | ) | × | 28 25 |
788029787 100 | − | ( | 28400211 100 | − | ( | X | − | 320352853 50 | ) | ÷ | 109 100 | × | 9 100 | − | 915511 100 | − | 1167 100 | ) | × | 28 25 | = | X |
方程左边 = | 788029787 100 | − | 28400211 100 | × | 28 25 | + | ( | X | − | 320352853 50 | ) | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | 915511 100 | × | 28 25 | + | 1167 100 | × | 28 25 |
= | 788029787 100 | − | 198801477 625 | + | ( | X | − | 320352853 50 | ) | × | 252 2725 | + | 6408577 625 | + | 8169 625 |