81539 5000 | × | 5287 5000 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | ) | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | = | 2142 625 |
81539 5000 | × | 5287 5000 | ( | X | + | 1 10 | ) | ÷ | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | × | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | = | 2142 625 |
431096693 25000000 | ( | X | + | 1 10 | ) | ÷ | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | × | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | = | 2142 625 |
| 方程两边同时乘以: | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) |
431096693 25000000 | ( | X | + | 1 10 | ) | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) |
431096693 25000000 | X | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 431096693 25000000 | × | 1 10 | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) |
431096693 25000000 | X | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 431096693 25000000 | × | 1 10 | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | × | 1 | + | 2142 625 | × | 5287 5000 | ( | X | + | 1 10 | ) |
431096693 25000000 | X | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 431096693 250000000 | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | + | 5662377 1562500 | ( | X | + | 1 10 | ) |
431096693 25000000 | X | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | × | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 431096693 250000000 | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | + | 5662377 1562500 | ( | X | + | 1 10 | ) |
431096693 25000000 | X | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | × | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 431096693 250000000 | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | + | 5662377 1562500 | X | + | 5662377 1562500 | × | 1 10 |
431096693 25000000 | X | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | × | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 431096693 250000000 | ( | ( | 100 | − | 999 100 | − | 21 100 | ) | ÷ | ( | 100 | ) | ) | ( | 1 | ÷ | ( | 1 | + | 31 100 | × | 21 100 | ) | ) | + | 56 25 | ( | ( | X | + | 1 10 | ) | ÷ | ( | 27 20 | × | 4053 40000 | ) | ) | ( | 1 | + | 5287 5000 | ( | X | + | 1 10 | ) | ) | = | 2142 625 | + | 5662377 1562500 | X | + | 5662377 15625000 |