detailed information: The input equation set is: Question solving process:
Divide the two sides of equation (1) by 1020, the equation can be obtained: , then subtract both sides of equation (4) from both sides of equation (3), the equations are reduced to:
Multiply both sides of equation (2) by 101 Divide the two sides of equation (2) by 51000, the equation can be obtained: | | | 101 51 | y | + | | | 2323 1020 | z | = | | - | 101 10200 | (5) | , then add the two sides of equation (5) to both sides of equation (3), the equations are reduced to:
Multiply both sides of equation (3) by 1173000 Divide both sides of equation (3) by 3343, get the equation: | | | 3844450 3343 | z | = | | | 5635 3343 | (6) | , then subtract both sides of equation (6) from both sides of equation (2), get the equation:
Subtract both sides of equation (2) from both sides of equation (1), get the equation:
The coefficient of the unknown number is reduced to 1, and the equations are reduced to:
Therefore, the solution of the equation set is:
Convert the solution of the equation set to decimals:
解方程组的详细方法请参阅:《多元一次方程组的解法》 |