143 | ÷ | ( | 85891022 | ÷ | 51 | ) | × | ( | 1752878 | − | ( | 85891022 | ÷ | 51 | ) | ) | = | x |
方程两边同时乘以: | ( | 85891022 | ÷ | 51 | ) |
143 | ( | 1752878 | − | ( | 85891022 | ÷ | 51 | ) | ) | = | x | ( | 85891022 | ÷ | 51 | ) |
143 | × | 1752878 | − | 143 | ( | 85891022 | ÷ | 51 | ) | = | x | ( | 85891022 | ÷ | 51 | ) |
143 | × | 1752878 | − | 143 | ( | 85891022 | ÷ | 51 | ) | = | x | × | 85891022 | ÷ | 51 |
250661554 | − | 143 | ( | 85891022 | ÷ | 51 | ) | = | x | × | 85891022 51 |
250661554 | − | 143 | × | 85891022 | ÷ | 51 | = | 85891022 51 | x |