求解二次方程x²-2x+1=0的程序为( )。 A: A.solve(x^2-2*x+1,x) B: solve('x^2-2*x+1','x') C: C.solve(x^2-2*x+1,'x') D: solve('x^2-2*x+1',x)

关于求解命令solve使用错误的是 ( ) A: solve(f,x) B: solve(f) C: solve(f,f) D: solve(’f’)

This problem is________. A: too difficult for me to solve it B: too difficult for me to solve C: very difficult, I can’t solve D: too difficult for I solve it

The tone of the story shows the author believes the problem is ______. A: difficult to solve, perhaps impossible B: difficult to solve but not impossible C: impossible to solve D: beyond the question

We will make every effort _______ the problem. A: solve B: to solve C: solving D: solved

I think that these problems need _____ as quickly as possible. A: to solve B: to be solving C: to be solved D: solve

AI long ago mastered chess, the Chinese board game Go and even the Rubik's Cube, ______in just 0. 38 seconds. A: which managed to solve B: which it managed to solve C: for which it managed to solve D: to which it managed to solve

solve

AI long ago mastered chess, the Chinese board game Go and even the Rubik's Cube, ______ in just about 0. 38 seconds. A: which managed to solve B: which it managed to solve C: for which it managed to solve D: to which it managed to solve

使用Matlab解下列方程，哪个无法得到解析解: A: solve(x^2+2*x+1,x) B: solve(x^2+1,x) C: solve(x+y+1,x+3*y,x,y) D: solve(x^2*sin(x)-1,x,0)}