eqns:={x^2+y^2-25, y=x^2-5}; vars:={x,y}; solve(egns,vars);或者solve({x^2 + y^2 - 25, y = x^2 - 5}, {x, y}) 相关文章: 2021-08-22 2021-05-01 2021-05-26 2021-07-05 2021-10-13 2021-08-16 2021-06-10 2021-12-04