( | y | + | 800 | − | 2500 | − | 104263 20 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | ÷ | ( | 100000 | × | 3 10 | × | 9 10 | ) | = | 3 25 |
方程两边同时乘以: | ( | 100000 | × | 3 10 | × | 9 10 | ) |
( | y | + | 800 | − | 2500 | − | 104263 20 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | = | 3 25 | ( | 100000 | × | 3 10 | × | 9 10 | ) |
y | ( | 1 | − | 1 4 | ) | + | 800 | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3 25 | ( | 100000 | × | 3 10 | × | 9 10 | ) |
y | ( | 1 | − | 1 4 | ) | + | 800 | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3 25 | × | 100000 | × | 3 10 | × | 9 10 |
y | ( | 1 | − | 1 4 | ) | + | 800 | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
y | × | 1 | − | y | × | 1 4 | + | 800 | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | + | 800 | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | + | 800 | × | 1 | − | 800 | × | 1 4 | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | + | 800 | − | 200 | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | + | 600 | − | 2500 | ( | 1 | − | 1 4 | ) | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | + | 600 | − | 2500 | × | 1 | + | 2500 | × | 1 4 | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | + | 600 | − | 2500 | + | 625 | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | − | 1275 | − | 104263 20 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | − | 1275 | − | 104263 20 | × | 1 | + | 104263 20 | × | 1 4 | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | − | 1275 | − | 104263 20 | + | 104263 80 | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | − | 414789 80 | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 3240 |
3 4 | y | − | 414789 80 | − | 222789 50 | × | 1 | + | 222789 50 | × | 1 4 | = | 3240 |
3 4 | y | − | 414789 80 | − | 222789 50 | + | 222789 200 | = | 3240 |
3 4 | y | − | 3410679 400 | = | 3240 |
3 4 | y | = | 3240 | + | 3410679 400 |
3 4 | y | = | 4706679 400 |
y | = | 4706679 400 | ÷ | 3 4 |
= | 4706679 400 | × | 4 3 |
= | 1568893 100 | × | 1 |
y | = | 1568893 100 |
y | = | 15688.93 |