3 5 | + | 300 | ÷ | 1650 | + | 150 | ÷ | 130 | + | 150 | ÷ | 108 | + | X | ÷ | 4457 50 | = | 377 100000 | ( | 920 | + | X | ) |
| Left side of the equation = | 3 5 | + | 2 11 | + | 15 13 | + | 25 18 | + | X | × | 50 4457 |
| = | 42787 12870 | + | 50 4457 | X |
42787 12870 | + | 50 4457 | X | = | 377 100000 | ( | 920 | + | X | ) |
| Right side of the equation = | 377 100000 | × | 920 | + | 377 100000 | X |
| = | 8671 2500 | + | 377 100000 | X |
42787 12870 | + | 50 4457 | X | = | 8671 2500 | + | 377 100000 | X |
50 4457 | X | − | 377 100000 | X | = | 8671 2500 | − | 42787 12870 |
3319711 445700000 | X | = | 8671 2500 | − | 42787 12870 |
3319711 445700000 | X | = | 462827 3217500 |
| X | = | 462827 3217500 | ÷ | 3319711 445700000 |
| = | 462827 3217500 | × | 445700000 3319711 |
| = | 462827 1287 | × | 178280 3319711 |
| X | = | 82512797560 4272468057 |