请问数学: x+2y+3z=5① 2x+3y+6z=9② 5x+3y+9z=15③ 计算 x+2y+3z=5① 2x+3y+6z=?

2025-05-12 19:13:45
推荐回答(1个)
回答1:

不对,正解是