讨论非齐次线性方程组有唯一解？有无穷多解？无解？
Complete the sentences with the words derived from the brackets.
（ ）tourists unfortunately discovered our “undiscovered,unspoilt” island.(count).
有唯一解？有无穷多解？无解？
有唯一解？有无穷多解？无解？有唯一解？有无穷多解？无解？